CN113108385A - Integral finned tube coating dehumidification unit - Google Patents
Integral finned tube coating dehumidification unit Download PDFInfo
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- CN113108385A CN113108385A CN202110534920.1A CN202110534920A CN113108385A CN 113108385 A CN113108385 A CN 113108385A CN 202110534920 A CN202110534920 A CN 202110534920A CN 113108385 A CN113108385 A CN 113108385A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
- F24F2003/1464—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators using rotating regenerators
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Abstract
The invention discloses an integral finned tube coating dehumidification unit, and relates to the technical field of adsorption type dehumidification units. The machine body space is reasonably divided by a middle partition plate, a one-way fan is respectively arranged in an air supply chamber and an air return chamber which are divided by a fan chamber, two groups of finned tube coating heat exchangers are arranged in a heat exchange chamber, a flow equalizing chamber is stable, and all parts are highly concentrated in one machine body; air exit, fresh air inlet and outdoor air intercommunication, supply-air outlet, return air inlet and indoor tuber pipe or air conditioner link, and the cooling water business turn over pipe is connected with cooling water supply unit, and the regeneration hot water business turn over pipe is connected with hot water supply unit, and simple to operate is swift, and the process is controllable, and the reliability is high. On the condition that an external air duct and a water path are not changed, the start and stop of the fan are controlled, and the dehumidification and regeneration conversion of the two groups of finned tube coating heat exchangers is realized through the opening and closing of the electric air valve and the cooling water or regeneration hot water electromagnetic valve, so that the continuous and stable operation of the dehumidification unit is ensured.
Description
Technical Field
The invention relates to the technical field of adsorption type dehumidification units, in particular to an integral finned tube coating dehumidification unit.
Background
At present, two mature technologies of surface cooling dehumidification and rotary wheel adsorption dehumidification are mainly adopted for indoor air dehumidification, and a surface cooling dehumidification product condenses water vapor by utilizing a surface with the temperature lower than the dew point of air to reduce the air humidity. The technology has the advantages of simple and reliable obtaining mode and continuous operation by continuously supplying the cold source. However, the cooling and the dehumidification are coupled, and the dehumidification needs to be carried out. When the dehumidifying device is applied in some occasions, the dehumidifying device needs to be heated again after dehumidification, so that the dehumidifying efficiency is low and the energy consumption is large; in addition, due to dew point dehumidification, the dew point temperature is required to be below zero and cannot meet the requirement, and the application occasions have certain limitations.
The rotary wheel dehumidification utilizes porous material adsorption (essentially carrying water vapor) or chemical material adsorption to reduce the humidity in the air. The dehumidification range is wide, and the dew point requirement of minus dozens of degrees can be realized; decoupling treatment is realized through latent heat treatment and sensible heat treatment; the dehumidification area and the regeneration area are divided in the rotating wheel by adopting a rotating wheel mode, so that the advantages of continuous operation and the like can be realized. The main defects of the rotary wheel dehumidification are that heat is absorbed and released, so that the temperature of air is increased, the partial pressure of water vapor in the air is increased, and the moisture absorption effect is influenced; meanwhile, when the runner is regenerated, a high-temperature regenerated heat source is needed, and extra energy consumption is introduced; in addition, because the air conditioner needs to rotate, a gap exists between the fresh air channel and the return air channel, and the treated air and the regenerated air can be mixed and mixed, so that the dehumidification effect is influenced.
In order to overcome the defects of the two common dehumidification technologies, a novel fin tube type coating dehumidification technology is provided in recent years, the essence of the technology is that adsorption dehumidification is also utilized, a layer of reproducible drying agent is coated on the surface of a tube-fin heat exchanger, and the finned tube is utilized to perform wall-dividing type heat exchange on air, cooling water and recycled hot water; the cooling water takes away the adsorption heat from the inner core to reduce the temperature of the dehumidifying material, and the regenerated hot water heats the dehumidifying material from the inner core for regeneration. On one hand, the dehumidification efficiency of the dehumidification material can be improved, and on the other hand, the temperature requirement of regeneration can be reduced. Because isothermal dehumidification or cooling dehumidification can be realized through control cooling water inlet temperature, for runner dehumidification, the sensible heat load has been reduced, has realized energy-conserving dehumidification. CN101699177A discloses a method for manufacturing the regenerative dehumidifying heat exchanger, and also discloses a heat exchange system based on the regenerative dehumidifying heat exchanger, wherein a bidirectional fan is used for realizing rotation in forward and reverse directions through switch switching, so as to switch dehumidification and regeneration. Therefore, how to develop a dehumidification product which has high integration level, simple structure and reliable operation and can meet the functions is particularly urgent.
Disclosure of Invention
The invention aims to provide an integral finned tube coating dehumidifier unit, which solves the problems of complicated connecting tubes, more movable parts, complicated control and poor reliability of the existing dehumidifier during field installation.
In order to solve the technical problems, the invention adopts the following technical scheme: an integral finned tube coating dehumidification unit is characterized in that: the heat exchanger comprises a machine body and a control system, wherein the machine body is divided into three sections in parallel by a first middle partition plate and a second middle partition plate in the length direction, the first section is a fan chamber, the second section is a heat exchange chamber, and the third section is a flow equalizing chamber;
the fan chamber is divided into an air supply chamber and an air return chamber, an air supply fan is arranged in the air supply chamber, an air supply outlet is formed in the side wall of the air supply chamber, and a first electric air valve and a second electric air valve are arranged on a first middle partition plate opposite to the air supply outlet in parallel; a return air fan is arranged in the return air chamber, a return air inlet is formed in the side wall of the return air chamber, and a third electric air valve and a fourth electric air valve are arranged on the first middle partition plate opposite to the return air inlet in parallel;
the heat exchange chamber is divided into a left heat exchange group chamber and a right heat exchange group chamber by a third middle partition plate, the first electric air valve and the third electric air valve are communicated with the left heat exchange group chamber, and the second electric air valve and the fourth electric air valve are communicated with the right heat exchange group chamber;
a first finned tube coating heat exchanger is arranged in the left heat exchange group chamber, a cooling water inlet of the first finned tube coating heat exchanger is connected with a cooling water inlet pipe, a cooling water outlet of the first finned tube coating heat exchanger is connected with a cooling water outlet pipe, a regenerated hot water inlet of the first finned tube coating heat exchanger is connected with a regenerated hot water inlet pipe, and a regenerated hot water outlet of the first finned tube coating heat exchanger is connected with a regenerated hot water outlet pipe;
a second finned tube coating heat exchanger is arranged in the right heat exchange group chamber, a cooling water inlet of the second finned tube coating heat exchanger is connected with a cooling water inlet pipe, a cooling water outlet of the second finned tube coating heat exchanger is connected with a cooling water outlet pipe, a regenerated hot water inlet of the second finned tube coating heat exchanger is connected with a regenerated hot water inlet pipe, and a regenerated hot water outlet of the second finned tube coating heat exchanger is connected with a regenerated hot water outlet pipe;
the flow equalizing chamber is divided into an exhaust chamber and a fresh air chamber, an exhaust outlet is formed in the side wall of the exhaust chamber, and a fifth electric air valve and a sixth electric air valve are arranged on a second middle partition plate opposite to the exhaust outlet in parallel; a fresh air port is formed in the side wall of the fresh air chamber, and a seventh electric air valve and an eighth electric air valve are arranged on the second middle partition plate opposite to the fresh air port in parallel; and the fifth electric air valve and the seventh electric air valve are communicated with the left heat exchange group chamber, and the sixth electric air valve and the eighth electric air valve are communicated with the right heat exchange group chamber.
A further technical scheme is that the first finned tube coated heat exchanger comprises fins, a distributive pipe, a first water inlet pipe and a first water outlet pipe, wherein a plurality of distributive pipes are arranged in parallel, fins are sleeved on the pipe walls of the distributive pipes, and renewable drying agents are coated on the fins; one end of a water diversion pipe is connected with a first water inlet pipe, the other end of the water diversion pipe is connected with a first water outlet pipe, a cooling water inlet and a regeneration hot water inlet are oppositely arranged on the first water inlet pipe, the cooling water inlet is connected with a cooling water inlet pipe through a first electromagnetic valve, and the regeneration hot water inlet is connected with a regeneration hot water inlet pipe through a second electromagnetic valve; the first water outlet pipe is relatively provided with a cooling water outlet and a regenerated hot water outlet, the cooling water outlet is connected with the cooling water outlet pipe through a third electromagnetic valve, and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe through a fourth electromagnetic valve.
A further technical scheme is that the second finned tube coating heat exchanger comprises fins, a distributive pipe, a second water inlet pipe and a second water outlet pipe, wherein a plurality of distributive pipes are arranged in parallel, fins are sleeved on the pipe walls of the distributive pipes, and renewable drying agents are coated on the fins; one end of the water diversion pipe is connected with a second water inlet pipe, the other end of the water diversion pipe is connected with a second water outlet pipe, a cooling water inlet and a regeneration hot water inlet are oppositely arranged on the second water inlet pipe, the cooling water inlet is connected with the cooling water inlet pipe through a fifth electromagnetic valve, and the regeneration hot water inlet is connected with the regeneration hot water inlet pipe through a sixth electromagnetic valve; and a cooling water outlet and a regenerated hot water outlet are oppositely arranged on the second water outlet pipe, the cooling water outlet is connected with the cooling water outlet pipe through a seventh electromagnetic valve, and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe through an eighth electromagnetic valve.
A further technical proposal is that the air supply chamber and the air return chamber are distributed up and down and are separated by a fourth middle clapboard; the exhaust chamber and the fresh air chamber are distributed up and down and are separated by a fifth middle clapboard.
The working principle is as follows: when the hot water supply device is installed, the air supply outlet is connected with an indoor air pipe or an air conditioner, the fresh air inlet and the air outlet are located outdoors, the return air inlet is located indoors, after the air path is connected, the cooling water inlet pipe and the cooling water outlet pipe are connected to the cooling water supply device through the circulating water pump, and then the regeneration hot water inlet pipe and the regeneration hot water outlet pipe are connected to the hot water supply device through the circulating water pump.
The working time is divided into the following two working conditions:
1. dehumidification of the left heat exchange unit chamber and regeneration of the right heat exchange unit chamber: under the effect of an air supply fan, outdoor high-temperature high-humidity fresh air enters a fresh air chamber, enters a left heat exchange group chamber through a seventh electric air valve, is changed into low-humidity air after being subjected to adsorption and dehumidification by a first finned tube coating heat exchanger, enters an indoor air pipe or an air conditioner through a first electric air valve, is directly sent indoors when the temperature is proper, and is sent indoors after being cooled or heated by the air conditioner when the temperature is too high or too low. In the process, cooling water enters the water dividing pipe of the first finned tube coating heat exchanger, the temperature of the fins and the renewable drying agents on the fins is reduced, and the fresh air dehumidification process is completed.
Meanwhile, under the action of the return air fan, indoor air is extracted into the return air chamber, enters the right heat exchange group chamber through the fourth electric air valve, hot water enters the water distribution pipe of the second finned tube coating heat exchanger, the fins and the renewable drying agent are heated, the drying agent is subjected to desorption and regeneration, the desorbed water vapor is absorbed when the return air passes over the fins, enters the exhaust chamber through the sixth electric air valve and is exhausted outdoors through the exhaust air port, and the regeneration of the adsorption type drying agent is completed.
2. Dehumidification of the right heat exchange unit chamber and regeneration of the left heat exchange unit chamber: under the effect of an air supply fan, outdoor high-temperature high-humidity fresh air enters a fresh air chamber, enters a right heat exchange group chamber through an eighth electric air valve, is changed into low-humidity air after being subjected to adsorption and dehumidification by a second finned tube coating heat exchanger, enters an indoor air pipe or an air conditioner through a second electric air valve, is directly sent indoors when the temperature is proper, and is sent indoors after being cooled or heated up by the air conditioner when the temperature is too high or too low. In the process, cooling water enters the water distribution pipe of the second finned tube coating heat exchanger, the temperature of the fins and the renewable drying agent on the fins is reduced, and the fresh air dehumidification process is completed.
Meanwhile, under the action of the return air fan, indoor air is extracted into the return air chamber, enters the left heat exchange group chamber through the third electric air valve, hot water enters the water distribution pipe of the first finned tube coating heat exchanger, heats the fins and the renewable drying agent, so that the drying agent is desorbed and regenerated, and the desorbed water vapor is absorbed when the return air passes over the fins, enters the exhaust chamber through the fifth electric air valve, and is exhausted outdoors through the exhaust air port, so that the regeneration of the adsorption drying agent is completed.
Through the circulation of the two working conditions, the conversion of dehumidification and regeneration of the two groups of finned tube coating heat exchangers is completed inside the unit, and the continuous and stable operation of the dehumidification unit is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. the machine body space is reasonably divided by a middle partition plate, two one-way fans are arranged in a fan chamber, two groups of finned tube coating heat exchangers are arranged in a heat exchange chamber, a flow equalizing chamber is stable, and all parts are highly concentrated in one machine body; the air outlet and fresh air inlet are connected with outdoor air, the air outlet and air return inlet are connected with indoor air pipe or air conditioner, the cooling water inlet and outlet pipe is connected with cooling water supply device, and the regenerated hot water inlet and outlet pipe is connected with hot water supply device.
2. On the condition that an external air duct and a water path are not changed, the start and stop of the fan are controlled, and the dehumidification and regeneration conversion of the two groups of finned tube coating heat exchangers is realized through the opening and closing of the electric air valve and the electromagnetic valve of cooling water or regenerated hot water, so that the continuous and stable operation of the dehumidification unit is ensured.
3. The integral finned tube coating dehumidification unit can complete production, processing and assembly, control logic debugging and product performance testing of the whole unit before delivery, does not need to be debugged again on an installation site, and is convenient for after-sale popularization of the unit.
Drawings
FIG. 1 is a schematic side view of the internal structure of the present invention.
Fig. 2 is a schematic front structural view of the present invention.
FIG. 3 is a schematic structural view of a finned tube coated heat exchanger of the present invention.
Fig. 4 is a distribution diagram of the upper layer structure of the unit working condition 1 state.
FIG. 5 is a distribution diagram of the lower layer structure of the unit under the working condition 1.
FIG. 6 is a distribution diagram of the superstructure of the unit under condition 2.
FIG. 7 is a distribution diagram of the lower layer structure of the unit under the working condition 2.
Fig. 8 is a schematic view of the usage state of the present invention.
In the figure: 1-machine body, 101-first middle clapboard, 102-second middle clapboard, 103-third middle clapboard, 104-fourth middle clapboard, 105-fifth middle clapboard, 2-fan chamber, 201-air supply chamber, 202-air return chamber, 203-air supply outlet, 204-air return fan, 205-air return inlet, 206-air supply fan, 3-heat exchange chamber, 301-left heat exchange group chamber, 302-right heat exchange group chamber, 303-first finned tube coating heat exchanger, 304-second finned tube coating heat exchanger, 4-flow equalization chamber, 401-air exhaust chamber, 402-air fresh chamber, 403-air exhaust outlet, 404-air fresh outlet, 5-first electric air valve, 6-second electric air valve, 7-third electric air valve, 8-fourth electric air valve, 9-cooling water inlet pipe, 10-cooling water outlet pipe, 11-regenerated hot water inlet pipe, 12-regenerated hot water outlet pipe, 13-fifth electric air valve, 14-sixth electric air valve, 15-seventh electric air valve, 16-eighth electric air valve, 17-fin, 18-water distribution pipe, 19-first water inlet pipe, 20-first water outlet pipe, 21-first electromagnetic valve, 22-second electromagnetic valve, 23-third electromagnetic valve, 24-fourth electromagnetic valve, 25-second water inlet pipe, 26-second water outlet pipe, 27-fifth electromagnetic valve, 28-sixth electromagnetic valve, 29-seventh electromagnetic valve and 30-eighth electromagnetic valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Fig. 1 and 2 show an integral finned tube coating dehumidifier unit, which comprises a unit body 1 and a control system, wherein the unit body 1 is divided into three sections in parallel by a first middle partition plate 101 and a second middle partition plate 102 in the length direction, the first section is a fan chamber 2, the second section is a heat exchange chamber 3, and the third section is a flow equalizing chamber 4.
As shown in fig. 8, the fan chamber 2 is divided into an upper space and a lower space by the fourth middle partition 104, the upper part is an air supply chamber 201, the lower part is an air return chamber 202, an air supply fan 206 is arranged in the air supply chamber 201, an air supply opening 203 is arranged on the front side wall of the air supply chamber 201, and a first electric air valve 5 and a second electric air valve 6 are arranged in parallel on the first middle partition 101 opposite to the air supply opening 203; a return air fan 204 is arranged in the return air chamber 202, a return air inlet 205 is arranged on the front side wall of the return air chamber 202, and a third electric air valve 7 and a fourth electric air valve 8 are arranged in parallel on the first middle partition plate 101 opposite to the return air inlet 205.
The heat exchange chamber 3 is divided into a left heat exchange group chamber 301 and a right heat exchange group chamber 302 by a third middle partition plate 103, the first electric air valve 5 and the third electric air valve 7 are both communicated with the left heat exchange group chamber 301, and the second electric air valve 6 and the fourth electric air valve 8 are communicated with the right heat exchange group chamber 302.
A first finned tube coated heat exchanger 303 is arranged in the left heat exchange group chamber 301, as shown in fig. 3, the first finned tube coated heat exchanger 303 comprises fins 17, a water distribution pipe 18, a first water inlet pipe 19 and a first water outlet pipe 20, the water distribution pipe 18 is provided with a plurality of parallel fins 17, the wall of the water distribution pipe is sleeved with the fins 17, and the fins 17 are coated with a renewable drying agent. One end of a water diversion pipe 18 is connected with a first water inlet pipe 19, the other end of the water diversion pipe 18 is connected with a first water outlet pipe 20, a cooling water inlet and a regeneration hot water inlet are oppositely arranged on the first water inlet pipe 19, the cooling water inlet is connected with a cooling water inlet pipe 9 through a first electromagnetic valve 21, and the regeneration hot water inlet is connected with a regeneration hot water inlet pipe 11 through a second electromagnetic valve 22; the first water outlet pipe 20 is relatively provided with a cooling water outlet and a regenerated hot water outlet, the cooling water outlet is connected with the cooling water outlet pipe 10 through a third electromagnetic valve 23, and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe 12 through a fourth electromagnetic valve 24. Cooling water advances pipe 9, cooling water exit tube 10, regeneration hot water advances pipe 11, regeneration hot water exit tube 12 and all sets up in heat transfer chamber 3, and cooling water business turn over pipe end portion stretches out organism 1 and is connected with circulating water pump, cooling water respectively through the coupling, and regeneration hot water business turn over pipe end portion stretches out organism 1 and is connected with circulating water pump, hot water respectively through the coupling, hot water supply device.
The right heat exchange unit chamber 302 is internally provided with a second finned tube coated heat exchanger 304, the second finned tube coated heat exchanger 304 comprises fins 17, a water distribution pipe 18, a second water inlet pipe 25 and a second water outlet pipe 26, the water distribution pipe 18 is provided with a plurality of parallel fins 17, the walls of the water distribution pipe 18 are sleeved with the fins 17, and the fins 17 are coated with a renewable drying agent. One end of the water diversion pipe 18 is connected with a second water inlet pipe 25, the other end of the water diversion pipe 18 is connected with a second water outlet pipe 26, the second water inlet pipe 25 is relatively provided with a cooling water inlet and a regeneration hot water inlet, the cooling water inlet is connected with the cooling water inlet pipe 9 through a fifth electromagnetic valve 27, and the regeneration hot water inlet is connected with the regeneration hot water inlet pipe 11 through a sixth electromagnetic valve 28; the second water outlet pipe 26 is provided with a cooling water outlet and a regenerated hot water outlet, the cooling water outlet is connected with the cooling water outlet pipe 10 through a seventh electromagnetic valve 29, and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe 12 through an eighth electromagnetic valve 30.
The flow equalizing chamber 4 is divided into an upper part and a lower part by a fifth partition plate 105, the upper part is an exhaust chamber 401, the lower part is a fresh air chamber 402, the exhaust chamber 401 and the fresh air chamber 402 are both hollow cavities, an exhaust opening 403 is arranged on the rear side wall of the exhaust chamber 401, and a fifth electric air valve 13 and a sixth electric air valve 14 are arranged in parallel on the second partition plate 102 opposite to the exhaust opening 403. A fresh air opening 404 is arranged on the side wall of the fresh air chamber 402, and a seventh electric air valve 15 and an eighth electric air valve 16 are arranged in parallel on the second middle partition plate 102 opposite to the fresh air opening 404; the fifth electric air valve 13 and the seventh electric air valve 15 are both communicated with the left heat exchange group chamber 301, and the sixth electric air valve 14 and the eighth electric air valve 16 are communicated with the right heat exchange group chamber 302.
The first electromagnetic valve 21, the second electromagnetic valve 22, the third electromagnetic valve 23, the fourth electromagnetic valve 24, the fifth electromagnetic valve 27, the sixth electromagnetic valve 28, the seventh electromagnetic valve 29, the eighth electromagnetic valve 30, the first electric air valve 5, the second electric air valve 6, the third electric air valve 7, the fourth electric air valve 8, the fifth electric air valve 13, the sixth electric air valve 14, the seventh electric air valve 15 and the eighth electric air valve 16 are all in signal connection with the control system.
When the hot water supply device is installed, the air supply outlet is connected with an indoor air pipe or an air conditioner, the fresh air inlet and the air outlet are located outdoors, the return air inlet is located indoors, after the air path is connected, the cooling water inlet pipe and the cooling water outlet pipe are connected to the cooling water supply device through the circulating water pump, and then the regeneration hot water inlet pipe and the regeneration hot water outlet pipe are connected to the hot water supply device through the circulating water pump.
The working time is divided into the following two working conditions:
working condition 1: dehumidification of left heat exchange unit chamber and regeneration of right heat exchange unit chamber
As shown in fig. 4 and 5, under the action of the control system, the seventh electric air valve 15, the first electric air valve 5, the fourth electric air valve 8 and the sixth electric air valve 14 are opened, the first electromagnetic valve 21, the third electromagnetic valve 23, the sixth electromagnetic valve 28 and the eighth electromagnetic valve 30 are opened, the other electric air valves and electromagnetic valves are closed, and the air supply fan 206 and the air return fan 204 are opened.
Under the effect of air supply fan 206, outdoor high-temperature high-humidity fresh air enters a fresh air chamber 402, enters a left heat exchange group chamber 301 through a seventh electric air valve 15, is adsorbed and dehumidified by a first finned tube coating heat exchanger 303 and then becomes high-temperature low-humidity air, enters an air supply chamber 201 through a first electric air valve 5, enters an indoor air pipe or an air conditioner through an air supply outlet 203, is directly sent indoors when the temperature is proper, and is sent indoors after being cooled or heated up by the air conditioner when the temperature is too high or too low. In the process, cooling water enters the water distribution pipe 18 of the first finned tube coating heat exchanger 303 through the cooling water inlet pipe 9 and the first electromagnetic valve 21, and then enters the cooling water supply device through the third electromagnetic valve 23 and the cooling water outlet pipe 10, and in the cooling water circulation process, the adsorption heat generated by adsorption reaction of the drying agent is taken away, the temperature of the fins 17 and the renewable drying agent on the fins is reduced, and the fresh air dehumidification process is completed.
Meanwhile, under the action of the return air fan 204, indoor air is pumped into the return air chamber 202, enters the right heat exchange group chamber 302 through the fourth electric air valve 8, and hot water enters the water distribution pipe 18 of the second finned tube coating heat exchanger 304 through the regenerated hot water inlet pipe 11 and the sixth electromagnetic valve 28, and then flows into the hot water supply device through the eighth electromagnetic valve 30 and the regenerated hot water outlet pipe 12. In the process, the fins 17 and the regenerable drying agent are heated to desorb and regenerate the drying agent, and the return air absorbs desorbed water vapor when passing through the fins 17, enters the exhaust chamber 401 through the sixth electric air valve 14 and is exhausted to the outside through the exhaust port 403, so that the regeneration of the adsorption drying agent is completed.
Working condition 2: dehumidification of right heat exchange unit chamber and regeneration of left heat exchange unit chamber
As shown in fig. 6 and 7, under the action of the control system, the eighth electric air valve 16, the second electric air valve 6, the third electric air valve 7 and the fifth electric air valve 13 are opened, the second electromagnetic valve 22, the fourth electromagnetic valve 24, the fifth electromagnetic valve 27 and the seventh electromagnetic valve 29 are opened, the other electric air valves and electromagnetic valves are closed, and the air supply fan 206 and the air return fan 204 are opened.
Under the effect of air supply fan 206, outdoor high-temperature high-humidity fresh air enters a fresh air chamber 402, enters a right heat exchange group chamber 302 through an eighth electric air valve 16, is adsorbed and dehumidified by a second finned tube coating heat exchanger 304, becomes high-temperature low-humidity air, enters an air supply chamber 201 through a second electric air valve 6, enters an indoor air pipe or an air conditioner through an air supply outlet 203, is directly sent indoors when the temperature is proper, and is sent indoors after being cooled or heated up by the air conditioner when the temperature is too high or too low. In the process, cooling water enters the water distribution pipe 18 of the second finned tube coating heat exchanger 304 through the cooling water inlet pipe 9 and the fifth electromagnetic valve 27 and then enters the cooling water supply device through the seventh electromagnetic valve 29 and the cooling water outlet pipe 10, and in the cooling water circulation process, the adsorption heat generated by adsorption reaction of the drying agent is taken away, the temperature of the fins and the renewable drying agent on the fins is reduced, and the fresh air dehumidification process is completed.
Meanwhile, under the action of the return air fan 204, indoor air is pumped into the return air chamber 202, enters the left heat exchange group chamber 301 through the third electric air valve 7, and hot water enters the water distribution pipe 18 of the first finned tube coating heat exchanger 303 through the regenerated hot water inlet pipe 11 and the second electromagnetic valve 22 and then flows into the hot water supply device through the fourth electromagnetic valve 24 and the regenerated hot water outlet pipe 12. In the process, the fins and the renewable drying agent are heated, so that the drying agent is desorbed and regenerated, and the return air absorbs desorbed water vapor when passing through the fins, enters the exhaust chamber 401 through the fifth electric air valve 13, and is exhausted to the outside through the exhaust port 403, so that the regeneration of the adsorption drying agent is completed.
Through the circulation of the two working conditions, the conversion of dehumidification and regeneration of the two groups of finned tube coating heat exchangers is completed inside the unit, and the continuous and stable operation of the dehumidification unit is ensured.
According to the finned tube coating dehumidification unit, under the conditions that the water inlet temperature of cooling water is 27.5 ℃ and the water inlet temperature of regenerated hot water is 36 ℃, the following treatment processes can be realized through tests:
an outdoor fresh air state point, wherein the dry bulb temperature is 33.2 ℃, the wet bulb temperature is 24.7 ℃, the relative humidity is 50.6%, the enthalpy value is 75.5kJ/kg, the absolute moisture content is 16.4g/kg, and the dew point temperature is 21.4 ℃;
state point after dehumidification: the dry bulb temperature is 28.5 ℃, the wet bulb temperature is 20.1 ℃, the relative humidity is 45 percent, the enthalpy value is 57kJ/kg, the absolute moisture content is 11.1g/kg, and the dew point temperature is 15.3 ℃;
air supply state point after air handling unit (air conditioner) cooling: the dry bulb temperature is 16.3 ℃, the wet bulb temperature is 15.8 ℃, the relative humidity is 95 percent, the enthalpy value is 44.5kJ/kg, the absolute moisture content is 11.1g/kg, and the dew point temperature is 15.3 ℃;
the indoor air return state point is that the dry bulb temperature is 24 ℃, the wet bulb temperature is 18.6 ℃, the relative humidity is 60 percent, the enthalpy value is 60kJ/kg, the absolute moisture content is 11.3g/kg, and the dew point temperature is 15.6 ℃;
and (3) exhaust state point after regeneration: the dry bulb temperature is 35 ℃, the wet bulb temperature is 27.1 ℃, the relative humidity is 55%, the enthalpy value is 86.2kJ/kg, the absolute moisture content is 19.8g/kg, and the dew point temperature is 24.5 ℃;
under the above conditions (equivalent to temperature reduction and dehumidification), the dehumidification unit bears nearly 60% of sensible heat load, and the air treatment unit (air conditioner) only needs to bear the remaining 40% of sensible heat load; after the statistics of the fan and the circulating water pump of return air circulation, the comprehensive energy-saving efficiency can reach more than 25%.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (4)
1. An integral finned tube coating dehumidification unit is characterized in that: the heat exchanger comprises a machine body (1) and a control system, wherein the machine body (1) is parallelly divided into three sections in the length direction by a first middle partition plate (101) and a second middle partition plate (102), the first section is a fan chamber (2), the second section is a heat exchange chamber (3), and the third section is a flow equalizing chamber (4);
the fan chamber (2) is divided into an air supply chamber (201) and an air return chamber (202), an air supply fan (206) is arranged in the air supply chamber (201), an air supply outlet (203) is formed in the side wall of the air supply chamber (201), and a first electric air valve (5) and a second electric air valve (6) are arranged in parallel on a first middle partition plate (101) opposite to the air supply outlet (203); a return air fan (204) is arranged in the return air chamber (202), a return air inlet (205) is formed in the side wall of the return air chamber (202), and a third electric air valve (7) and a fourth electric air valve (8) are arranged in parallel on the first middle partition plate (101) opposite to the return air inlet (205);
the heat exchange chamber (3) is divided into a left heat exchange group chamber (301) and a right heat exchange group chamber (302) by a third middle partition plate (103), the first electric air valve (5) and the third electric air valve (7) are communicated with the left heat exchange group chamber (301), and the second electric air valve (6) and the fourth electric air valve (8) are communicated with the right heat exchange group chamber (302);
a first finned tube coating heat exchanger (303) is arranged in the left heat exchange group chamber (301), a cooling water inlet of the first finned tube coating heat exchanger (303) is connected with a cooling water inlet pipe (9), a cooling water outlet of the first finned tube coating heat exchanger (303) is connected with a cooling water outlet pipe (10), a regenerated hot water inlet of the first finned tube coating heat exchanger (303) is connected with a regenerated hot water inlet pipe (11), and a regenerated hot water outlet of the first finned tube coating heat exchanger (303) is connected with a regenerated hot water outlet pipe (12);
a second finned tube coating heat exchanger (304) is arranged in the right heat exchange group chamber (302), a cooling water inlet of the second finned tube coating heat exchanger (304) is connected with a cooling water inlet pipe (9), a cooling water outlet of the second finned tube coating heat exchanger (304) is connected with a cooling water outlet pipe (10), a regenerated hot water inlet of the second finned tube coating heat exchanger (304) is connected with a regenerated hot water inlet pipe (11), and a regenerated hot water outlet of the second finned tube coating heat exchanger (304) is connected with a regenerated hot water outlet pipe (12);
the flow equalizing chamber (4) is divided into an exhaust chamber (401) and a fresh air chamber (402), an exhaust opening (403) is formed in the side wall of the exhaust chamber (401), and a fifth electric air valve (13) and a sixth electric air valve (14) are arranged in parallel on a second middle partition plate (102) opposite to the exhaust opening (403); a fresh air opening (404) is arranged on the side wall of the fresh air chamber (402), and a seventh electric air valve (15) and an eighth electric air valve (16) are arranged in parallel on the second middle partition plate (102) opposite to the fresh air opening (404); the fifth electric air valve (13) and the seventh electric air valve (15) are communicated with the left heat exchange group chamber (301), and the sixth electric air valve (14) and the eighth electric air valve (16) are communicated with the right heat exchange group chamber (302).
2. An integral finned tube coated dehumidification unit according to claim 1 wherein: the first finned tube coated heat exchanger (303) comprises fins (17), water distribution pipes (18), a first water inlet pipe (19) and a first water outlet pipe (20), wherein the water distribution pipes (18) are arranged in parallel, the walls of the water distribution pipes are sleeved with the fins (17), and the fins (17) are coated with a renewable drying agent; one end of a water diversion pipe (18) is connected with a first water inlet pipe (19), the other end of the water diversion pipe (18) is connected with a first water outlet pipe (20), a cooling water inlet and a regeneration hot water inlet are oppositely arranged on the first water inlet pipe (19), the cooling water inlet is connected with a cooling water inlet pipe (9) through a first electromagnetic valve (21), and the regeneration hot water inlet is connected with a regeneration hot water inlet pipe (11) through a second electromagnetic valve (22); the first water outlet pipe (20) is relatively provided with a cooling water outlet and a regenerated hot water outlet, the cooling water outlet is connected with the cooling water outlet pipe (10) through a third electromagnetic valve (23), and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe (12) through a fourth electromagnetic valve (24).
3. An integral finned tube coated dehumidification unit according to claim 1 wherein: the second finned tube coated heat exchanger (304) comprises fins (17), water distribution pipes (18), a second water inlet pipe (25) and a second water outlet pipe (26), wherein the water distribution pipes (18) are arranged in parallel, the walls of the water distribution pipes are sleeved with the fins (17), and the fins (17) are coated with a renewable drying agent; one end of the water diversion pipe (18) is connected with a second water inlet pipe (25), the other end of the water diversion pipe (18) is connected with a second water outlet pipe (26), a cooling water inlet and a regeneration hot water inlet are oppositely arranged on the second water inlet pipe (25), the cooling water inlet is connected with a cooling water inlet pipe (9) through a fifth electromagnetic valve (27), and the regeneration hot water inlet is connected with a regeneration hot water inlet pipe (11) through a sixth electromagnetic valve (28); the second water outlet pipe (26) is relatively provided with a cooling water outlet and a regenerated hot water outlet, the cooling water outlet is connected with the cooling water outlet pipe (10) through a seventh electromagnetic valve (29), and the regenerated hot water outlet is connected with the regenerated hot water outlet pipe (12) through an eighth electromagnetic valve (30).
4. An integral finned tube coated dehumidification unit according to claim 1 wherein: the air supply chamber (201) and the air return chamber (202) are distributed up and down and are separated by a fourth middle clapboard (104); the exhaust chamber (401) and the fresh air chamber (402) are distributed up and down and separated by a fifth middle clapboard (105).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534920.1A CN113108385A (en) | 2021-05-17 | 2021-05-17 | Integral finned tube coating dehumidification unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534920.1A CN113108385A (en) | 2021-05-17 | 2021-05-17 | Integral finned tube coating dehumidification unit |
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| CN202110534920.1A Pending CN113108385A (en) | 2021-05-17 | 2021-05-17 | Integral finned tube coating dehumidification unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669806A (en) * | 2021-08-31 | 2021-11-19 | 珠海格莱克科技有限公司 | Self-adaptive control method for finned tube type coating dehumidification unit |
| CN113864907A (en) * | 2021-09-26 | 2021-12-31 | 青岛海尔空调电子有限公司 | Dehumidification system |
| CN117073084A (en) * | 2023-08-21 | 2023-11-17 | 珠海格莱克科技有限公司 | Humidity control apparatus and method for stabilizing water temperature of humidity control apparatus |
-
2021
- 2021-05-17 CN CN202110534920.1A patent/CN113108385A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669806A (en) * | 2021-08-31 | 2021-11-19 | 珠海格莱克科技有限公司 | Self-adaptive control method for finned tube type coating dehumidification unit |
| CN113864907A (en) * | 2021-09-26 | 2021-12-31 | 青岛海尔空调电子有限公司 | Dehumidification system |
| CN117073084A (en) * | 2023-08-21 | 2023-11-17 | 珠海格莱克科技有限公司 | Humidity control apparatus and method for stabilizing water temperature of humidity control apparatus |
| CN117073084B (en) * | 2023-08-21 | 2024-04-23 | 珠海格莱克科技有限公司 | Humidity control apparatus and method for stabilizing water temperature of humidity control apparatus |
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