CN109630381A - Heat recovery system - Google Patents
Heat recovery system Download PDFInfo
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- CN109630381A CN109630381A CN201910020414.3A CN201910020414A CN109630381A CN 109630381 A CN109630381 A CN 109630381A CN 201910020414 A CN201910020414 A CN 201910020414A CN 109630381 A CN109630381 A CN 109630381A
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- Prior art keywords
- heat
- heat exchanger
- pressurized fluid
- adsorbent
- fluid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Abstract
The present invention discloses a kind of heat recovery system comprising air compressing device, first heat exchanger, liquid line and an at least drying device.Air compressing device provides pressurized fluid.Liquid line is flowed for a recuperation of heat liquid.Pressurized fluid reaches drying device through first heat exchanger from air compressing device, the pressurized fluid after drying device discharge is dry.Drying device includes second heat exchanger and adsorbent, wherein steam of the adsorbent to absorb pressurized fluid.Recuperation of heat liquid flows between first heat exchanger and second heat exchanger via liquid line.Pressurized fluid is in first heat exchanger and recuperation of heat liquid heat-exchange, desorption gas and the heat exchange in second heat exchanger of recuperation of heat liquid.Desorption gas flow to adsorbent from second heat exchanger, to exclude the moisture in adsorbent.
Description
Technical field
The present invention is returned about a kind of heat recovery system in particular to a kind of heat that can recycle thermal energy from air compressor machine
Receipts system.
Background technique
Dried-air drier is indispensable equipment in air compression system, is contained through the compressed air of air compressor
A large amount of condensed water, grease stain and dust.Drying machine main application is to remove this kind of condensed water, and purification of compressed air is subsequent with benefit
Using.
However, needing the condensed water in the air after adsorbent carrys out adsorption compression in drying machine, but adsorption coagulation
There is still a need for the air of heating for the adsorbent of water to be desorbed, regenerate, and to continue to provide subsequent adsorption function, but also increase simultaneously
Additional energy consumption.Therefore, how to provide one can effectively applied energy air compression system, be still that this field wants to solve
One of certainly the problem of.
Summary of the invention
It is an object of that present invention to provide a kind of heat recovery system, generated heat when air compressor machine compressed gas can be recycled
Can, while the high pressure gas energy consumption required when removing aqueous vapor can be reduced.
The heat recovery system of the embodiment of the present invention includes air compressing device, first heat exchanger, liquid line and at least one
Drying device.Air compressing device includes providing the first air compressor machine of pressurized fluid.Liquid line is flowed for a recuperation of heat liquid.Pressurization
Fluid reaches drying device through first heat exchanger from the first air compressor machine, the pressurized fluid after drying device discharge is dry.It is dry
Device includes second heat exchanger and adsorbent, wherein steam of the adsorbent to absorb pressurized fluid.Recuperation of heat liquid warp
It is flowed between first heat exchanger and second heat exchanger by liquid line.Pressurized fluid is in first heat exchanger and recuperation of heat
Liquid heat-exchange, a desorption gas and the heat exchange in second heat exchanger of recuperation of heat liquid.Desorption gas is from the second heat exchange
Device flow to adsorbent, to exclude the moisture in adsorbent.
In one embodiment of this invention, air compressing device further includes fluid source and the first condenser.Cryogen
Source provides a cryogen, and cryogen flow to the first condenser and pressurized fluid heat exchange from fluid source.Pressurized fluid
Drying device is reached after first heat exchanger, the first condenser from the first air compressor machine.
In one embodiment of this invention, above-mentioned air compressing device further include the first pneumatics heat exchanger, the second air compressor machine,
Second pneumatics heat exchanger and third air compressor machine.First condenser, the first pneumatics heat exchanger and the second pneumatics heat exchange
Device is connected in parallel to fluid source respectively to receive cryogen.Pressurized fluid sequentially through third air compressor machine, the second air compressor machine and
The compression of first air compressor machine.Pressurized stream body heat of the second pneumatics heat exchanger with cryogen and before entering the second air compressor machine is handed over
It changes, the first pneumatics heat exchange gas is with the pressurized fluid heat exchange before the first air compressor machine of cryogen and entrance.
In one embodiment of this invention, above-mentioned drying device further includes providing desorption gas to second heat exchanger
Air blower.
In one embodiment of this invention, above-mentioned drying device further includes heating device.Heating device comes to heat
From the desorption gas of second heat exchanger, the desorption gas after heating is to exclude the moisture in adsorbent.
In one embodiment of this invention, the temperature for the desorbed fluid crossed through above-mentioned heating devices heat falls in Celsius
120 degree to 250 degree of range Celsius.
In one embodiment of this invention, above-mentioned drying device further includes multiple cavities.Adsorbent is configured at these chambers
In body.Pressurized fluid flows through a wherein cavity, and, to adsorb steam via the adsorbent in cavity, desorbed fluid flows through wherein another
Cavity is to exclude the moisture of the adsorbent in another cavity.Drying device is suitable for switching the stream of pressurized fluid and desorbed fluid
Road makes the adsorbent in these cavitys adsorb the steam in pressurized fluid in turn or excludes moisture.
In one embodiment of this invention, above-mentioned heat recovery system further includes application apparatus.Application apparatus includes third
Heat exchanger and heat dissipation device.The second heat exchanger of third heat exchanger and drying device is connected in parallel to via liquid line
One heat exchanger.Heat dissipation device provides an applicating fluid to third heat exchanger, applicating fluid and recuperation of heat liquid in third heat
Heat exchange in exchanger, heat dissipation device receive the thermal energy that applicating fluid is recycled from third heat exchanger.
In one embodiment of this invention, above-mentioned heat dissipation device includes boiler or warming machine.
In one embodiment of this invention, temperature when above-mentioned desorbed fluid is flowed out from second heat exchanger falls in Celsius
120 degree to 150 degree of range Celsius, and the material of adsorbent includes silica gel.
It can be seen from the above, the present invention is by first heat exchanger and liquid line, the recuperation of heat system of the embodiment of the present invention
System can effectively recycle thermal energy caused by pneumatics process, while can reduce the energy consumption of drying machine.
Detailed description of the invention
Figure 1A is the system schematic of the heat recovery system of first embodiment of the invention；
Figure 1B is the detailed system schematic diagram of the heat recovery system of first embodiment of the invention；
Fig. 2 is the system schematic of the heat recovery system of second embodiment of the invention.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment specifically
It is bright as follows.
The heat recovery system that the embodiment of the present invention is proposed is suitable for application in air compressing device.Preferably, the present invention is implemented
The heat recovery system that example is proposed includes air compressing device and drying device, and air compressing device can provide pressurized fluid and fill to dry
It sets.Air compressing device can be by e.g. screw compressor (Screw Compressor) or centrifugal compressor
(Centrifugal Compressor) pressurizes to form pressurized fluid, and drying device is to remove contained in pressurized fluid
Steam (water vapor), with sharp back segment application.Meanwhile (desorption) is desorbed or regenerates in drying device
(regeneration) thermal energy of adsorbent can be provided by a recuperation of heat liquid, and recuperation of heat liquid can be with self-pressurization fluid
Thermal energy is recycled, uses and whole energy consumption is further effectively reduced." desorption, regeneration " refers to used in above-mentioned and following fills dry
Set to adsorb steam adsorbent in moisture discharge the step of, above-mentioned word is not intended to limit the invention.
Hereinafter with reference to heat recovery system of the annexed drawings during the embodiment of the present invention will be further explained.Figure 1A is according to this hair
System schematic depicted in bright first embodiment.Figure 1A is please referred to, in the first embodiment of the invention, heat recovery system 100
Including air compressing device 10, first heat exchanger 30 and drying device 40, wherein pressurized fluid G1 provided by air compressing device 10
First heat exchanger 30 can be first passed through, is transferred to drying device 40 again later.
In the present embodiment, recuperation of heat liquid L2 can recycle at least partly pressurized fluid G1 in compression process by heat exchange
The heat of middle generation, then drying device 40 is transferred to by liquid line 31 is desorbed, regenerates etc. and go the application of moisture removal.Therefore, hot
Recovery system 100 can reach effective recuperation of heat, at the same drying device 40 because have recuperation of heat liquid L2 as heat source and
Fluid source, energy consumption needed for the desorption of drying device 40, regeneration can be further decreased.
In the present embodiment, above-mentioned pressurized fluid G1 is, for example, gas, preferably air or nitrogen, the present invention is not limited to
The type of pressurized fluid G1.Above-mentioned recuperation of heat liquid L2 is, for example, water, has biggish specific heat, can be transmitted with lesser volume
A large amount of thermal energy.On the other hand, 30 volume of first heat exchanger for providing liquids and gases heat exchange is also smaller, therefore recuperation of heat system
The overall volume that system 100 needs is smaller.Meanwhile recuperation of heat liquid L2 may be easy to Long Distant Transmit, provides more preferably heat source and answers
With.
Pressurized fluid is by taking forced air as an example in following embodiment, however the present invention is not limited to the types of fluid.It please join
According to Figure 1A, in the first embodiment of the present invention, air compressing device 10 is, for example, to receive air from extraneous through pipeline 11.Pneumatics dress
The pressurized fluid G1 (forced air) for setting 10 offers enters first heat exchanger 30 through pipeline 12, then is come from by the reception of pipeline 13
The pressurized fluid G1 of first heat exchanger 30, then pressurized fluid G1 is transmitted to drying device 40 with pipeline 14.Liquid line 31
Recuperation of heat liquid L2 is transmitted to first heat exchanger 30 by pipeline 32, the recuperation of heat liquid L2 after heat exchange is transferred to by pipeline 33
Drying device such as is desorbed, regenerates at the application for removing moisture removal, uses the aqueous vapor in removal pressurized fluid G1, and after drying plus
Pressure fluid G 1 is provided to application end from pipeline 15 again.In the first embodiment of the present invention, first heat exchanger 30 is, for example, shell
Tubing heat exchanger or heat-exchangers of the plate type, the present invention is not limited to mentioned kinds.
Illustrate the heat recovery system 100 in first embodiment of the invention in detail further below.Figure 1B is please referred to be drawn
100 schematic diagram of heat recovery system for the first embodiment shown, it should be strongly noted that merely exemplary herein indicate a with symbol
Connection relationship between element, wherein connection direction and the connection type of each element are simplified, clearly to illustrate this implementation
The technology contents of example, however its substantive connection type for being not intended to limit the invention and connection direction.Neck belonging to of the invention
Have usually intellectual in domain, the connection side between these elements can be adjusted depending on the optimal flow mode needed for heat exchanger
Formula.
In the first embodiment of the present invention, the air compressing device 10 in heat-exchange system 100 includes the first air compressor machine 20, the
One air compressor machine 20 pressurizes and provides pressurized fluid G1 (forced air) to first heat exchanger 30.The thermal energy of pressurized fluid G1 is for another example
It is above-mentioned to be transferred to drying device 40 via recuperation of heat liquid L2.
In the present embodiment heat-exchange system 100, drying device 40 include second heat exchanger 41 and adsorbent 42a,
42b, wherein the steam of pressurized fluid G1 (forced air) can be absorbed in adsorbent 42a, 42b.Specifically, the present embodiment is for example
It is the steam of forced air G1 to be drawn with adsorbent 42a, then provide the forced air G1 after drying via pipeline 15.Recuperation of heat liquid
Body L2 flows between first heat exchanger 30 and second heat exchanger 41 via liquid line 31.Pressurized fluid G1 is in the first warm
Exchanger 30 and the L2 heat exchange of recuperation of heat liquid, desorption gas G2 and recuperation of heat liquid the L2 heat in second heat exchanger 41 are handed over
It changes, therefore the thermal energy of pressurized fluid G1 allows desorption gas G2 to absorb and promotes temperature by heat exchange indirectly.It is de- with high temperature
Attached gas G2 flow to adsorbent 42b from second heat exchanger 41, to exclude the moisture in adsorbent 42b.
Specifically, the drying device 40 of the present embodiment simultaneously include adsorbent 42a and adsorbent 42b, when wherein it
When adsorbing the steam of pressurized fluid G1, another adsorbent 42b can be desorbed, again one adsorbent 42a by desorption gas G2
It is raw, to exclude moisture therein.Using a period of time after adsorbent 42a has drawn a certain amount of steam, can again by
It has been desorbed, the moisture of regenerated adsorbent 42b absorption pressurized fluid G1, and adsorbent 42a is allowed to be taken off by desorption gas G2
Attached, regeneration.The switching of above-mentioned pressurized fluid G1 and desorption gas G2 can for example reach by the switching of multiple valve groups 46,
However the present invention is not limited thereto, in fields of the present invention have usual knowledge this can on demand using pipeline appropriate with
And valve switches the flow path of above-mentioned fluid and gas.The thermal energy from pressurized fluid G1 is recycled by recuperation of heat liquid L2, is taken off
Attached gas G2 can make preliminary heating by the thermal energy from recuperation of heat liquid L2, use energy needed for reducing drying device 40
Consumption.
For example, in the first embodiment of the present invention, drying device 40 further includes cavity 47a, cavity 47b, wherein
Adsorbent 42a is configured in cavity 47a；Adsorbent 42b is configured in cavity 47b.In the embodiment of Figure 1B, pressurized fluid G1
It flows through cavity 47a and provides the pressurized fluid after drying to adsorb steam via the adsorbent 42a in cavity 47a, then by pipeline 15
G1.Desorption gas G2 flows through another cavity 47b to exclude the moisture of the adsorbent 42b in cavity 47b, then again by pipeline 48b
It is emitted into atmosphere.Drying device 40 can also switch the flow path of pressurized fluid G1 and desorption gas G2, make these cavitys 47a,
Adsorbent 42a, adsorbent 42b in cavity 47b adsorb the steam in pressurized fluid G1 in turn or exclude moisture.With the present embodiment
For, such as the flow path of pressurized fluid G1 and desorption gas G2 can be switched by these valve groups 46 are switched, so that desorption
The steam in pressurized fluid G1 can be absorbed in adsorbent 42b afterwards, and desorption gas G2 is allowed to remove the moisture in adsorbent 42a,
Then atmosphere is emitted by pipeline 48a again.
On the other hand, the heat reclaiming system 100 of first embodiment of the invention is substantially to reach the in pressurized fluid G1
Thermal energy is recycled by first heat exchanger 30 in advance before one condenser 21, uses desorption and the regeneration of auxiliary drying device 40.
Specifically, please refer to Figure 1B, in the first embodiment of the present invention, air compressing device 100 further include fluid source 26 and
First condenser 21.Fluid source 26 provides cryogen L1, and cryogen L1 flow to the first condensation from fluid source 26
Device 21 and pressurized fluid G1 (forced air) heat exchange.Pressurized fluid G1 is from the first air compressor machine 20 through first heat exchanger 30,
Drying device 40 is reached after one condenser 21.
Furthermore, the heat reclaiming system 100 that the embodiment of the present invention is proposed is also applicable to existing pneumatics
Device, and can preferably be reduced by the pipeline for changing recuperation of heat liquid to reach with the air compressing device of heat exchange elements
The effect of energy consumption.
On the other hand, the air compressing device 10 that the present embodiment is proposed can be the air compressing device 10 of classification pressurization.Pneumatics dress
Setting 10 further includes the first pneumatics heat exchanger 23, the second air compressor machine 22, the second pneumatics heat exchanger 25 and third air compressor machine 24,
Wherein the first pneumatics heat exchanger 23 and the second pneumatics heat exchange gas 25 for example can be shell and tube heat exchanger or board-like heat
Exchanger, the invention is not limited thereto.First condenser 21, the first pneumatics heat exchanger 23 and the second pneumatics heat exchanger 25 are simultaneously
Fluid source 26 is coupled to respectively to receive cryogen L1.Air is after the entrance of pipeline 11 sequentially through third air compressor machine 24, the
20 boil down to pressurized fluid G1 (forced air) of two air compressor machines 22 and the first air compressor machine.Second pneumatics heat exchanger 25 is with low temperature
Fluid L1 is with into the pressurized fluid G1 heat exchange before the second air compressor machine 22, and the first pneumatics heat exchanger 23 is with cryogen L1
With into the pressurized fluid G1 heat exchange before the first air compressor machine 20, uses and maintain pressurized fluid G1 that can tie up in pressure process
It holds in temperature range appropriate.
In the first embodiment of the present invention, drying device 40 further includes providing desorption gas G2 to second heat exchanger 41
Air blower 45, and the heating device 44 to heat desorption gas G2.Desorption gas G2 provided by air blower 45 after through the
Two heat exchangers 41 are transferred to pipeline 43, then are transferred to cavity 47a or 47b after heating via heating device 44 and carry out adsorbent
Desorption.
Furthermore, the temperature of the heated desorbed fluid G2 of heating device 44 falls in 120 degree to 250 degree of model Celsius
It encloses, uses and good desorption effect is provided.On the other hand, the pressure of the pressurized fluid G1 issued from the first air compressor machine 20 for example may be used
To be 8Bar, temperature can fall in 90 degree of ranges to 180 degree Celsius Celsius.Recuperation of heat liquid L2 is entering the first heat exchange
Temperature before device 30 is about 65 degree Celsius.Since heat recovery fluid L2 is substantially in liquid line 31, the first heat exchange
Device 30 and second heat exchanger 41 are formed by closing pipe line and flow.Therefore, when recuperation of heat liquid L2 is, for example, water, still
85 degree to 170 degree of range Celsius can be heated to via first heat exchanger 30 in above-mentioned closing pipe line.Therefore, it comes from
The desorption gas G2 of air blower 45 can be heated to 80 degree Celsius to 150 degree Celsius via in second heat exchanger 41, to reduce
Heating device 44 heats energy consumption required when desorption gas G2.
Furthermore, in other embodiments of the invention, it can more allow desorption gas G2 from second heat exchanger 41
Temperature when sending falls in 120 degree to 150 degree of range Celsius, and the material of adsorbent 42a, adsorbent 42b may include silicon
Glue, therefore desorption gas G2 can even be not required to heating device 44 can remove the moisture of adsorbent 42a or 42b, further drop
Low energy consumption.
Fig. 2 is the system schematic of the heat recovery system of second embodiment of the invention.Referring to figure 2., of the invention
In two embodiments, heat recovery system 200 includes air compressing device 50, first heat exchanger 60 and drying device 70, wherein pneumatics
Device 50 is similar to above-mentioned air compressing device 10；Drying device 70 is similar to above-mentioned drying device 40；The first heat exchange of the present embodiment
Device 60 is similar to the first heat exchanger 30 of above-described embodiment.
The heat recovery system 200 that second embodiment of the invention is proposed can include multiple drying devices 70,81 simultaneously.Please
Referring to Fig. 2, the heat recovery system 200 of second embodiment of the invention further includes air compressing device 80 and fills to dry from pneumatics
The drying device 81 of 80 pressurized fluid is set, wherein air compressing device 80 provides pressurized fluid to drying device 81 via pipeline 82.
The recuperation of heat liquid L3 of the present embodiment is flowing to the of drying device 70 from after the sending of first heat exchanger 60 respectively
The second heat exchanger 83 of two heat exchangers 71 and drying device 81.Therefore, drying device 81 can also be returned by self-heating is carried out
The thermal energy for receiving liquid L3 is able to desorption, regeneration by the adsorbent in drying device 81.For example, when drying device 70 and dry
Adsorbent in dry device 81 after adsorbing pressurized fluid 300 minutes when needing to regenerate or be desorbed 80 minutes, then heat recovery system
Recuperation of heat liquid L3 caused by air compressing device 50 is just enough to deal with the heat of desorption gas in these drying devices 70,81 in 200
Energy.
Furthermore, heat recovery system proposed by the invention can also provide the heat source of other kenels for application.This
The heat recovery system of invention second embodiment can also include application apparatus 90 and application apparatus 91.Application apparatus 90 includes the
Three heat exchangers 92 and heat dissipation device 94；Application apparatus 91 includes third heat exchanger 93 and heat dissipation device 95.Third heat
The second heat exchanger 83 of the second heat exchanger 71 and drying device 81 of exchanger 92,93 and drying device 70 is via liquid
Pipeline 61 is connected in parallel to first heat exchanger 60.Therefore, third heat exchanger 92,93 and second heat exchanger 71,83 can be each
Since first heat exchanger 60 obtains recuperation of heat liquid L3.
Heat dissipation device 98 provides applicating fluid L4 to third heat exchanger 92, applicating fluid L4 and heat time in the present embodiment
Liquid L3 heat exchange in third heat exchanger 92 is received, heat dissipation device 98 receives applicating fluid L4 and recycles from third heat exchanger 92
Thermal energy.Specifically, heat dissipation device 98 is for example including steam boiler 94 and supplies water source 96, by from recuperation of heat liquid
The heat of L3 heats generation steam.
The heat dissipation device 95 of the present embodiment is essentially heating installation, provides applicating fluid L5 to third heat exchanger
93.Applicating fluid L5 and recuperation of heat liquid L3 heat exchange in third heat exchanger 93, heat dissipation device 95 is by from recuperation of heat
The heat of liquid L3 heats generation heating.
Since in above-described embodiment proposed by the invention, heat recovery system 100,200 is handed over using respective first heat
Thermal energy is recycled in recuperation of heat liquid by parallel operation 30 and first heat exchanger 60 by heat exchange.Because of first heat exchanger
30,60 be to belong to gas (pressurized fluid G1) to the heat exchanger of liquid (recuperation of heat liquid L2), and heat transfer coefficient is than existing
Gas is good to the heat exchanger of gas, can more effectively exchange the thermal energy between pressurized fluid G1 and desorption gas G2.Meanwhile this
Heat exchanger volume used in inventive embodiments is smaller, has the advantages that low cost and saves space.Recuperation of heat liquid is due to being
Liquid possesses higher density and specific heat, and identical thermal energy can be conveyed with lesser flow, is conducive to long-distance sand transport thermal energy
Application, and line volume is small does not take up space, and has the advantages that low construction cost and operating cost, it is possible to provide more preferably, more have
It is so elastic that apply.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of heat recovery system characterized by comprising
Air compressing device, comprising:
First air compressor machine, provides pressurized fluid；
First heat exchanger；
Liquid line, the flowing of heat supply withdrawal liquid；And
An at least drying device, the pressurized fluid reach at least one dry dress through the first heat exchanger from first air compressor machine
It sets, the pressurized fluid after at least drying device discharge is dry, at least a drying device includes: for this
Second heat exchanger, the recuperation of heat liquid via the liquid line the first heat exchanger and the second heat exchanger it
Between flow；And
Adsorbent, to adsorb the steam of the pressurized fluid；
Wherein the pressurized fluid is in the first heat exchanger and the recuperation of heat liquid heat-exchange, desorption gas and the recuperation of heat liquid
The heat exchange in the second heat exchanger, and the desorption gas flow to the adsorbent from the second heat exchanger, to exclude the suction
Moisture in attached dose.
2. heat recovery system as described in claim 1, which is characterized in that the air compressing device further include:
Fluid source provides cryogen；And
First condenser, the cryogen flow to first condenser from the fluid source；
Wherein the pressurized fluid from first air compressor machine reaches this after the first heat exchanger, first condenser at least one is dry
Dry device, the cryogen and the pressurized fluid are in the first condenser heat exchange.
3. heat recovery system as claimed in claim 2, which is characterized in that the air compressing device further include:
First pneumatics heat exchanger；
Second air compressor machine；
Second pneumatics heat exchanger；And
Third air compressor machine；
Wherein first condenser, the first pneumatics heat exchanger and the second pneumatics heat exchanger are connected in parallel to the cryogen
Source is respectively to receive the cryogen, and the pressurized fluid is sequentially through the third air compressor machine, second air compressor machine and first sky
Press compression, and the second pneumatics heat exchanger is with the cryogen and the pressurized stream body heat before entrance second air compressor machine
Exchange, the first pneumatics heat exchange gas is with the cryogen and the pressurized fluid heat exchange before entrance first air compressor machine.
4. heat recovery system as described in claim 1, which is characterized in that an at least drying device further include: air blower mentions
For the desorption gas to the second heat exchanger.
5. heat recovery system as described in claim 1, which is characterized in that an at least drying device further include: heating device,
To heat the desorption gas from the second heat exchanger, the desorption gas after heating is to exclude the water in the adsorbent
Point.
6. heat recovery system as claimed in claim 5, which is characterized in that the desorbed fluid crossed through the heating devices heat
Temperature falls in 120 degree Celsius to 250 degree of range Celsius.
7. heat recovery system as described in claim 1, which is characterized in that at least a drying device further includes multiple cavities for this,
The adsorbent is configured in multiple cavity, the pressurized fluid flow through wherein a cavity via the suction in this wherein a cavity
Attached dose of absorption steam, the desorbed fluid flow through wherein another cavity to exclude the moisture of the adsorbent in another cavity；Its
In the drying device be suitable for switching the flow path of the pressurized fluid and the desorbed fluid, make the adsorbent wheel in multiple cavity
Stream adsorbs the steam in the pressurized fluid or excludes moisture.
8. the heat recovery system as described in claim 1, further includes:
Application apparatus, comprising:
Third heat exchanger is connected in parallel to first heat exchange via the liquid line with the second heat exchanger of the drying device
Device；And
Heat dissipation device provides applicating fluid to the third heat exchanger, the applicating fluid and the recuperation of heat liquid in third heat
Heat exchange in exchanger, the heat dissipation device receive the thermal energy that the applicating fluid is recycled from the third heat exchanger.
9. heat recovery system as claimed in claim 8, which is characterized in that the heat dissipation device includes boiler or warming machine.
10. heat recovery system as described in claim 1, which is characterized in that the desorbed fluid is flowed out from the second heat exchanger
When temperature fall in 120 degree Celsius to 150 degree of range Celsius, and the material of the adsorbent includes silica gel.
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| CN208024532U (en) * | 2017-10-25 | 2018-10-30 | 广东温博节能环保科技有限公司 | Energy-recuperation system for air compressor machine |
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