CN211953332U - Energy-saving and water-saving efficient evaporative condenser - Google Patents
Energy-saving and water-saving efficient evaporative condenser Download PDFInfo
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- CN211953332U CN211953332U CN202020503162.8U CN202020503162U CN211953332U CN 211953332 U CN211953332 U CN 211953332U CN 202020503162 U CN202020503162 U CN 202020503162U CN 211953332 U CN211953332 U CN 211953332U
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Abstract
An energy-saving and water-saving efficient evaporative condenser comprises a condensing tank, an axial flow fan, a water baffle, a spraying device, a heat exchange device and a water collecting tank; the condensing box is divided into an upper box body and a lower box body from top to bottom, the axial flow fan is installed at the top in the upper box body, and the water baffle is horizontally installed between the upper box body and the lower box body; the heat exchange device comprises a precooler and a heat exchanger, the precooler and the heat exchanger are respectively arranged on the upper part and the lower part of the water baffle, the precooler heat exchanger and the heat exchanger are connected in series through a pipeline, and an electromagnetic valve is arranged on the pipeline; the spraying device is installed between the water baffle and the heat exchanger, the water collecting tank is installed at the outer bottom of the lower box body, and the water collecting tank is conveyed to the spraying pipeline through the water pump. Energy-conserving water conservation's high efficiency evaporation formula condenser, simple structure has utilized two kinds of media of water, air, reduces the hydrologic cycle distance, the consumption of water pump is little, the moisturizing volume of cooling water is less relatively, more energy-conserving water conservation, efficient.
Description
Technical Field
The utility model relates to a condenser technical field, concretely relates to energy-conserving water conservation's high efficiency evaporation formula condenser.
Background
A condenser, a component of a refrigeration system, belongs to a heat exchanger, and can convert gas or vapor into liquid to transfer heat in a tube to air near the tube in a quick mode. The condenser operation is exothermic and therefore the condenser temperature is high. Condensers are widely used and many condensers are used in power plants to condense the steam exiting the turbines. Condensers are used in refrigeration plants to condense refrigeration vapors such as ammonia and freon. The petrochemical industry uses condensers to condense hydrocarbons and other chemical vapors. In the distillation process, the apparatus for converting the vapor to a liquid is also referred to as a condenser. All condensers operate by removing heat from the gas or vapor.
The evaporative condenser has obvious cooling effect in condensation heat exchange equipment, is wide in application field, can be used in the fields of air conditioning, food refrigeration, chemical production and the like, and provides required low-temperature environment and requirements for the evaporative condenser.
At the present stage, the evaporative condenser still has many problems, such as the elegant and water mist phenomenon of cooling water, and the long-term use scale deposit phenomenon is comparatively outstanding, seriously influences the condensation effect of equipment, under the extremely abominable environment prerequisite, and condensation pressure oscillation is big condensation temperature is high, and equipment operation effect is not good energy-conserving water conservation scheduling problem. In order to solve the above problems, it is necessary to develop an energy-saving and water-saving efficient evaporative condenser, which can improve the operation performance of the condenser, save energy and water, save energy, and protect environment.
Chinese patent application No. CN201520229527.1 discloses a low-cost, high-efficiency condenser device, which is designed differently for the left and right condensers to achieve the purposes of convenient processing and installation, saving man-hour and reducing cost, and is not directed to an evaporative condenser, and does not improve the energy-saving, water-saving and efficiency of the evaporative condenser.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects, the utility model aims at providing an energy-saving and water-saving high-efficiency evaporative condenser, which has simple and compact structure, utilizes two media of water and air, reduces the water circulation distance, has relatively low water pump power consumption and running cost, has relatively less water replenishing amount of cooling water, saves more energy and water, has high condensation efficiency and wide application prospect.
The technical scheme is as follows: an energy-saving and water-saving efficient evaporative condenser comprises a condensing tank, an axial flow fan, a water baffle, a spraying device, a heat exchange device and a water collecting tank; the condensing box is divided into an upper box body and a lower box body from top to bottom, the axial flow fan is installed at the top in the upper box body, and the water baffle is horizontally installed between the upper box body and the lower box body; the heat exchange device comprises a precooler and a heat exchanger, the precooler and the heat exchanger are respectively arranged above and below the water baffle and are connected in series through a pipeline, and an electromagnetic valve is arranged on the pipeline; the spraying device is arranged between the water baffle and the heat exchanger, the water collecting tank is arranged at the bottom outside the lower tank body, and the water collecting tank is conveyed to a spraying pipeline through a water pump; the spraying device consists of a plurality of nozzles, and the nozzles are communicated with a spraying pipeline; the nozzles are uniformly and horizontally arranged above the heat exchanger.
Energy-conserving water conservation's high efficiency evaporation formula condenser, simple structure, compactness have utilized two kinds of media of water, air, reduce hydrologic cycle's distance, and the consumption and the working costs of water pump are lower relatively, and the moisturizing volume of cooling water is less relatively, and energy-conserving water conservation more, condensation efficiency is high. The heat exchange device is designed to be a combination of the precooler and the heat exchanger, the precooler separates the cooling and condensing process, and the high-temperature and high-pressure refrigerant is cooled in the precooler and then enters the heat exchanger for condensation and liquefaction, so that the growth of a scale layer can be delayed, the refrigerant can be more fully condensed, and the heat transfer coefficient and the operating performance of the evaporative condenser are improved. The water baffle is arranged between the upper box body and the lower box body, water drops carried in air when the water drops pass through the spraying device under the action of the axial flow fan can be blocked, the flowing and the loss of cooling water are reduced, the evaporative condenser is prevented from being corroded, the service life of the evaporative condenser is prolonged, and the spraying device and the heat exchanger can be protected.
The working principle is as follows: the refrigeration working medium firstly enters a precooler, then the saturated refrigeration working medium steam enters a heat exchanger of a lower box body through an electromagnetic valve, cooling water is stored in a water collecting box at the bottom and is sent to a spraying pipeline through a water pump, circulating water in the spraying device is sprayed through a nozzle and is uniformly sprayed on the surface of the heat exchanger, a water film is formed by depending on the wall of the heat exchanger, one part of the cooling water is evaporated by absorbing heat and is exchanged with the ambient air sent by an axial flow fan, the other part of the non-evaporated spraying water flows into the water collecting box along the outer surface of the heat exchanger under the action of the gravity of the other part of the non-evaporated spraying water, and the non-evaporated spraying water reaches the spraying device.
Furthermore, in the energy-saving and water-saving efficient evaporative condenser, the precooler is a precooling coil and is symmetrically arranged on the upper part in the upper box body in a V shape.
The precooler adopts the precooling coil pipe and is V type symmetrical arrangement, and V type structure heat transfer area is bigger, and the effect is better, can satisfy the heat transfer area's during winter dry-type operation demand, can also use with the air source heat pump coupling.
Further, in the energy-saving and water-saving efficient evaporative condenser, the precooler is connected with an external compressor through an air inlet pipe.
High-temperature and high-pressure refrigerant steam from the compressor enters the V-shaped precooling coil pipes which are symmetrically arranged through the air inlet pipe.
Furthermore, in the energy-saving and water-saving efficient evaporative condenser, the heat exchanger is a finned coil type heat exchanger, the heat exchanger is arranged at the upper part in the lower box body in a snake shape, and the heat exchangers are distributed between the coils on the vertical section in a staggered manner and are arranged in an isosceles triangle shape.
The heat exchanger is evaporative condenser's heat transfer core, the heat exchanger adopt fin coil pipe heat exchanger, the condensation heat transfer membrane coefficient is high, the heat transfer effect has well to stagger the distribution between coil pipe and the coil pipe on perpendicular section, be isosceles triangle and arrange, can increase the mobility of air current, further improved heat transfer effect.
Furthermore, according to the energy-saving and water-saving efficient evaporative condenser, the air outlet is formed in the top of the upper box body and located above the axial flow fan, and the air inlets are formed in the left side and the right side of the water collecting tank.
Furthermore, in the energy-saving and water-saving efficient evaporative condenser, the air outlet and the air inlet are of a grid structure.
During the use, ambient air gets into the air outlet discharge at axial fan by the air intake under top axial fan's effect, at the whole in-process of air business turn over, through the interact with heat exchanger surface shower water, has taken away the shower water steam after having obtained the thermal gasification and the heat on some heat exchanger surfaces, and the refrigeration working medium in the heat exchanger obtains the cooling, if ambient air's temperature is less than the temperature of shower water when, can also play certain cooling effect: when ambient air enters from the lower part and is sent out from the upper part to blow through the heat exchanger, water vapor cannot be taken away by the heat exchanger, and a part of water drops can be taken away under the action of rising wind speed.
Furthermore, according to the energy-saving and water-saving efficient evaporative condenser, the water collecting tank is provided with the water replenishing pipe, the water replenishing pipe is provided with the automatic water replenishing ball float valve, and the air inlet is located above the water replenishing pipe.
Due to evaporation, water in the water collecting tank is continuously reduced in the using process, the concentration of salt ions in the corresponding cooling water is increased, and the reduced water is supplemented through the control of the water supplementing pipe on the automatic water supplementing floating ball valve.
Furthermore, the energy-saving and water-saving efficient evaporative condenser has the advantage that the inner sectional area of the upper box body is larger than that of the lower box body.
When the inner sectional area of the upper box body is larger than that of the lower box body, the whole upper box body can form a static pressure box, the air flow can be stabilized, the air flow vibration can be reduced, and the air supply effect of the axial flow fan is more ideal.
The utility model has the advantages that:
(1) the energy-saving and water-saving high-efficiency evaporative condenser has a simple and compact structure, utilizes two media of water and air, reduces the distance of water circulation, has relatively low power consumption and running cost of a water pump, has relatively less water supplementing amount of cooling water, saves more energy and water and has high condensation efficiency;
(2) the energy-saving and water-saving high-efficiency evaporative condenser of the utility model has the advantages that the heat exchange device is designed into the combination of the precooler and the heat exchanger, the precooler separates the cooling and condensing process, the high-temperature and high-pressure refrigerant is firstly cooled by the precooler and then enters the heat exchanger for condensation and liquefaction, on one hand, the growth of a scale layer can be delayed, on the other hand, the condensation of the refrigerant can be more sufficient, and the heat transfer coefficient and the running performance of the evaporative condenser are improved;
(3) the energy-saving and water-saving high-efficiency evaporative condenser is provided with the water baffle plate between the upper box body and the lower box body, can block water drops carried in the air when passing through the spray device under the action of the axial flow fan, reduces the elegant and loss of cooling water, prevents the evaporative condenser from being corroded to prolong the service life of the evaporative condenser, and can play a role in protecting the spray device and a heat exchanger;
(4) the energy-saving and water-saving high-efficiency evaporative condenser adopts the precooling coil pipes and is arranged symmetrically in a V shape, the heat exchange area of the V-shaped structure is larger, and the effect is better; the heat exchanger adopts fin coil pipe heat exchanger, and the condensation heat transfer membrane coefficient is high, and the heat transfer effect is good to stagger the distribution between coil pipe and the coil pipe on perpendicular section, be isosceles triangle and arrange, can increase the mobility of air current, further improved the heat transfer effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the energy-saving and water-saving high-efficiency evaporative condenser of the present invention;
FIG. 2 is a staggered arrangement diagram of the heat exchanger vertical section of the energy-saving and water-saving high-efficiency evaporative condenser of the present invention;
in the figure: the device comprises a condensation box 1, an upper box body 11, a lower box body 12, an air outlet 13, an air inlet 14, an axial flow fan 2, a water baffle 3, a spraying device 4, a nozzle 41, a heat exchange device 5, a precooler 51, a heat exchanger 52, a pipeline 53, an electromagnetic valve 54, an air inlet pipe 55, a water collecting tank 6, a water replenishing pipe 61, an automatic water replenishing ball float valve 62, a water pump 7, a spraying pipeline 8 and a compressor 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-2 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The energy-saving and water-saving high-efficiency evaporative condenser with the structure shown in figure 1 comprises a condensing tank 1, an axial flow fan 2, a water baffle 3, a spraying device 4, a heat exchange device 5 and a water collecting tank 6; the condensation box 1 is divided into an upper box body 11 and a lower box body 12 from top to bottom, the axial flow fan 2 is installed at the top in the upper box body 11, and the water baffle 3 is horizontally installed between the upper box body 11 and the lower box body 12; the heat exchange device 5 comprises a precooler 51 and a heat exchanger 52, the precooler 51 and the heat exchanger 52 are respectively arranged on and under the water baffle 3, the precooler 51 and the heat exchanger 52 are connected in series through a pipeline 53, and an electromagnetic valve 54 is arranged on the pipeline 53; the spraying device 4 is arranged between the water baffle 3 and the heat exchanger 52, the water collecting tank 6 is arranged at the outer bottom of the lower box body 12, and the water collecting tank 6 is sent to a spraying pipeline 8 through a water pump 7; the spraying device 4 consists of a plurality of nozzles 41, and the nozzles 41 are communicated with a spraying pipeline 8; the nozzles 41 are arranged uniformly horizontally above the heat exchanger 52.
In addition, the precooler 51 is a precooling coil and the precooler 51 is arranged in the upper part of the upper box 11 in V-shape symmetry.
Furthermore, the precooler 51 is connected to the external compressor 9 via an inlet line 55.
In addition, as shown in fig. 2, the heat exchanger 52 is a finned coil type heat exchanger, the heat exchanger 52 is arranged in a serpentine shape at the upper part in the lower box body 12, and the heat exchanger 52 is arranged in an isosceles triangle shape in a staggered manner between coils on a vertical section.
In addition, an air outlet 13 is arranged at the top of the upper box body 11, the air outlet 13 is positioned above the axial flow fan 2, and air inlets 14 are arranged on the left side and the right side of the water collection tank 6. The air outlet 13 and the air inlet 14 are of a grid structure.
Further, a water replenishing pipe 61 is installed on the water collecting tank 6, and an automatic water replenishing ball float valve 62 is installed on the water replenishing pipe 61. The air inlet 14 is positioned above the water replenishing pipe 61.
Further, the inner sectional area of the upper case 11 is larger than that of the lower case 12.
Based on the above structural basis, as shown in fig. 1-2.
Energy-conserving water conservation's high efficiency evaporation formula condenser, simple structure, compactness have utilized two kinds of media of water, air, reduce hydrologic cycle's distance, the consumption and the working costs of water pump 7 are lower relatively, the moisturizing volume of cooling water is less relatively, more energy-conserving water conservation, condensation efficiency is high. By designing the heat exchange device 5 into the combination of the precooler 51 and the heat exchanger 52, the precooler 51 separates the cooling and condensing process, and the high-temperature and high-pressure refrigerant is firstly cooled in the precooler 51 and then enters the heat exchanger 52 for condensation and liquefaction, so that the growth of a scale layer can be delayed, the refrigerant can be more fully condensed, and the heat transfer coefficient and the operating performance of the evaporative condenser are improved. The water baffle 3 is arranged between the upper box body 11 and the lower box body 12, water drops carried in air when passing through the spraying device 4 under the action of the axial flow fan 2 can be blocked, the flowing and the loss of cooling water are reduced, the evaporative condenser is prevented from being corroded, the service life of the evaporative condenser is prolonged, and the spraying device 4 and the heat exchange device 5 can be protected.
The working principle is as follows: high-temperature and high-pressure refrigerant steam from a compressor 9 enters a precooling coil of a V-shaped precooler 51 which is symmetrically arranged through an air inlet pipe 55, then saturated refrigeration working medium steam passes through an electromagnetic valve 54 and enters a heat exchanger 52 of a lower box body 12, cooling water is stored in a water collecting tank 6 at the bottom and is sent to a spraying pipeline 8 through a water pump 7, circulating water in a spraying device 4 is sprayed through a nozzle 41 and is uniformly sprayed on the surface of the heat exchanger 52, a water film is formed by adhering to the pipe wall of the heat exchanger 52, one part of the circulating water absorbs heat and evaporates and exchanges heat and humidity with ambient air sent by an axial flow fan 2, the other part of the non-evaporated spraying water flows into the water collecting tank 6 along the outer surface of the heat exchanger 52 under the action of the gravity of the other part of the circulating water, and then reaches the spraying device 4. During the use, ambient air gets into under top axial fan 2's effect, and the air outlet 13 that gets into at axial fan 2 by air intake 14 discharges, at the whole in-process of air business turn over, through the interact with heat exchanger 52 surface shower water, has taken away the shower water steam after having got the thermal gasification and the heat on some heat exchanger 52 surfaces, and the refrigerant in the heat exchanger 52 obtains the cooling, if ambient air's temperature is less than when the temperature of shower water, can also play certain cooling effect: when ambient air enters from the lower part and is sent out from the upper part to blow through the heat exchanger, water vapor cannot be taken away by the heat exchanger, and a part of water drops can be taken away under the action of rising wind speed.
Further, the precooler 51 adopts a precooling coil pipe and is arranged in a V-shaped symmetrical mode, the heat exchange area of a V-shaped structure is larger, the effect is better, the requirement of the heat exchange area during dry operation in winter can be met, and the precooler can be coupled with an air source heat pump for use.
Further, heat exchanger 52 is evaporative condenser's heat transfer core, heat exchanger 52 adopt fin coil pipe heat exchanger, the condensation heat transfer membrane coefficient is high, the heat transfer effect is good to stagger the distribution between coil pipe and the coil pipe on perpendicular section, be isosceles triangle and arrange, can increase the disturbance nature of air current, further improved the heat transfer effect.
Further, the water in the water collection tank 6 is continuously reduced during use due to evaporation, and accordingly the concentration of salt ions in the cooling water is increased, and the reduced water is replenished through the water replenishing pipe 61 under the control of the automatic water replenishing ball valve 62.
Further, the inner sectional area of the upper case 11 is larger than that of the lower case 12. When the inner sectional area of the upper box body 11 is larger than the inner sectional area of the lower box body 12, the whole upper box body 11 can form a static pressure box, the air flow can be stabilized, the air flow vibration can be reduced, and the air supply effect of the axial flow fan 2 is more ideal.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (8)
1. An energy-saving and water-saving efficient evaporative condenser is characterized by comprising a condensing tank (1), an axial flow fan (2), a water baffle (3), a spraying device (4), a heat exchange device (5) and a water collecting tank (6); the condenser box (1) is divided into an upper box body (11) and a lower box body (12) from top to bottom, the axial flow fan (2) is installed at the top in the upper box body (11), and the water baffle (3) is horizontally installed between the upper box body (11) and the lower box body (12); the heat exchange device (5) comprises a precooler (51) and a heat exchanger (52), the precooler (51) and the heat exchanger (52) are respectively arranged on and under the water baffle (3), the precooler (51) and the heat exchanger (52) are connected in series through a pipeline (53), and an electromagnetic valve (54) is arranged on the pipeline (53); the spraying device (4) is arranged between the water baffle (3) and the heat exchanger (52), the water collecting tank (6) is arranged at the outer bottom of the lower box body (12), and the water collecting tank (6) is conveyed to a spraying pipeline (8) through a water pump (7); the spraying device (4) consists of a plurality of nozzles (41), and the nozzles (41) are communicated with a spraying pipeline (8); the nozzles (41) are arranged uniformly horizontally above the heat exchanger (52).
2. Energy-saving and water-saving evaporative condenser with high efficiency as claimed in claim 1, wherein the precooler (51) is a precooling coil and the precooler (51) is arranged in V-shape symmetrically at the upper part in the upper box (11).
3. Energy-saving and water-saving evaporative condenser of high efficiency according to claim 2, characterized in that the precooler (51) is connected to the external compressor (9) through an air inlet pipe (55).
4. The evaporative condenser with high efficiency and energy saving and water saving as claimed in claim 2, wherein the heat exchanger (52) is a finned coil type heat exchanger, the heat exchanger (52) is arranged in a serpentine shape at the upper part in the lower box body (12), and the heat exchanger (52) is arranged in an isosceles triangle shape and staggered from coil to coil on the vertical section.
5. The evaporative condenser with high efficiency and energy saving and water saving functions as claimed in claim 1, wherein the top of the upper box body (11) is provided with an air outlet (13), the air outlet (13) is positioned above the axial flow fan (2), and the left and right sides of the water collecting tank (6) are provided with air inlets (14).
6. The evaporative condenser of high efficiency with energy and water saving features in claim 5, wherein the air outlet (13) and the air inlet (14) are in a grid structure.
7. The evaporative condenser, which saves energy and water, and has high efficiency, according to claim 5, is characterized in that the water collecting tank (6) is provided with a water replenishing pipe (61), the water replenishing pipe (61) is provided with an automatic water replenishing ball cock (62), and the air inlet (14) is positioned above the water replenishing pipe (61).
8. The energy-saving and water-saving evaporative condenser having high efficiency according to claim 1, wherein the inner sectional area of the upper tank (11) is larger than that of the lower tank (12).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548188A (en) * | 2021-06-01 | 2021-10-26 | 北京新机场建设指挥部 | Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system |
| CN113635798A (en) * | 2021-09-14 | 2021-11-12 | 武汉诚锐电器有限公司 | New energy automobile fills electric pile with fire control unit |
-
2020
- 2020-04-09 CN CN202020503162.8U patent/CN211953332U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548188A (en) * | 2021-06-01 | 2021-10-26 | 北京新机场建设指挥部 | Cooling evaporation type water chilling unit for aircraft air conditioning refrigeration system |
| CN113635798A (en) * | 2021-09-14 | 2021-11-12 | 武汉诚锐电器有限公司 | New energy automobile fills electric pile with fire control unit |
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