CN109173620A - A kind of compressed-air drier that can reduce energy consumption - Google Patents
A kind of compressed-air drier that can reduce energy consumption Download PDFInfo
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- CN109173620A CN109173620A CN201810943312.4A CN201810943312A CN109173620A CN 109173620 A CN109173620 A CN 109173620A CN 201810943312 A CN201810943312 A CN 201810943312A CN 109173620 A CN109173620 A CN 109173620A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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Abstract
A kind of compressed-air drier that can reduce energy consumption belongs to industrial compressed air dry filter equipment technical field, the dry treatment process for compressed air.Its technical solution is: it includes double tower type absorption type dryer, the inlet end that dry regeneration consumption gas recycles pipeline is connected with regeneration drying tower blow-down pipe, the exhaust end that dry regeneration consumption gas recycles pipeline is connected with the admission line for being adsorbed by drying tower, junction is equipped with injector, dry regeneration consumption gas recycles installation drier cooler in pipeline, the inlet end for regenerating drying tower preheating pipe is connected with the high temperature air pipeline in front of the air compressor machine aftercooler for entering compressed-air drier, the exhaust end of regeneration drying tower preheating pipe is connected with the inlet end of electric heater.The present invention improves the utilization rate of waste heat of air compressor, reduces compressed-air drier dehydration energy consumption, effectively promotes energy conservation and the quality-improving of compressed air drying and dehydrating treatment process.
Description
Technical field
The present invention relates to industrial enterprise's compressed-air driers that one kind can reduce energy consumption, and it is dry to belong to industrial compressed air
Dry filter plant technical field.
Background technique
In the industrial production, power source of the compressed air as industrial automation pneumatic installations, is widely used in and adopts
The numerous areas such as mine, metallurgy, chemical industry, weaving, food, medicine, petroleum and space flight become a kind of and are only second to the second largest dynamic of electric power
Power source.As the power source of automatic control system, the water content of compressed air is a key index, it is directly related to pneumatically
The sensitivity and safety of facility.In order to keep air dew point up to standard, dry filtration system can be arranged in many enterprises after air compressor machine,
Conditional enterprise can concentrated setting air compression station, uniformly compressed, cooled down, being dried and filtration treatment, and passing through plant area's pipe network
Compressed air is delivered to user's point.
Currently, compressed air dry filtration system generally uses double tower type absorption type dryer, i.e. a drying tower carries out
Adsorption dewatering, another drying tower are regenerated, and the purpose done so can be convenient online switching, and realization continuously takes off without interruption
Water process.Drying and dehydrating process are as follows: it is cold to first pass through aftercooler progress for the high pressure-temperature highly humid air come out from compression device
But, it enters back into and is adsorbed by drying tower and is dehydrated, the compressed air for being finally processed into low water content is used by a user.Drying regenerated
Journey are as follows: first the air of low water content is heated, regeneration parsing then is carried out to the drying tower of adsorption saturation, using high temperature and
The variation of low-pressure state destroys the molecular gap power between hydrone and adsorbent, finally contains the high temperature of a large amount of parsing moisture
Low-pressure air is fallen by direct emission, the also referred to as dry regeneration consumption gas of this exhaust gas partly emitted.
It can be seen that there are the biggish energy at two to disappear in regenerative process for traditional compressed air dry filtration system
Consumption is after the high temperature air of air compressor machine outlet first passes through cooler cooling and drier dehydration, and to use at one in regenerative process
Electric heater enters regeneration drying tower after heating again to the air of low water content, the power consumption of electric heater is higher；Another place is then
It is to regenerate consumption gas as the drying with compression potential energy to be fallen by direct emission, the dry regeneration that direct emission is fallen consumes gas itself
Pressure potential with higher, also the tolerance of dry regeneration consumption accounts for about the 10% ~ 15% of compression device processing capacity, is one
The biggish wasting of resources.
Summary of the invention
Technical problem to be solved by the invention is to provide the compressed-air drier that one kind can reduce energy consumption, this pressures
Contracting air dryer can recycle the dry consumption gas that regenerates, while undried high temperature air can be used to absorption
The drying tower of saturation is preheated, thus the energy consumption of two-way saving compressed-air drier.
The technical solution for solving above-mentioned technical problem is:
A kind of compressed-air drier that can reduce energy consumption, it includes double tower type absorption type dryer, it also adds drying
Regeneration consumption gas recycles pipeline and regeneration drying tower preheating pipe, and dry regeneration consumption gas recycles the inlet end of pipeline
It is connected with the regeneration drying tower blow-down pipe of regeneration drying tower, dry regeneration consumption gas recycles exhaust end and the absorption of pipeline
The admission line of drying tower is connected, and dry regeneration consumption gas, which recycles, is equipped with drier cooler in pipeline, drying is again
Raw consumption gas recycles pipeline and is equipped with injector with the admission line junction for being adsorbed by drying tower, regenerates drying tower economizer bank
The inlet end in road is connected with into the high temperature air pipeline in front of the air compressor machine aftercooler before compressed-air drier, then
The exhaust end of raw drying tower preheating pipe is connected with the inlet end of electric heater.
The above-mentioned compressed-air drier that can reduce energy consumption, the injector are made of outer tube and rear intubation, housing
Respectively expansion and outspreading backwards taper, the smaller diameter end of forward taper are small with rear portion taper forward for the front and rear of pipe
Diameter end is connected in the middle part of outer tube, and the rear front for being intubated periphery is taper, and rear portion is cylindrical shape, is intubated forward taper afterwards
Larger diameter end be connected with rear portion cylindrical shape, be inserted in the rear portion of outer tube afterwards, the rear portion cylindrical outer wall being intubated afterwards and
The rear inside wall of outer tube is flanged joint, and the rear tapered opening for being intubated front end is located in the rear portion conical cavity room of outer tube, outside
Dry regeneration consumption gas air inlet pipe vertically with outer tube length direction is installed on the side wall at casing rear portion.
The above-mentioned compressed-air drier that can reduce energy consumption, the rear intubation cylinder rear end at the injector rear portion and input
The air pipeline of compressed-air drier is connected, the taper major diameter end of outer tube front and the admission line for being adsorbed by drying tower
It is connected, the dry regeneration consumption gas air inlet pipe of outer tube side wall recycles pipeline with dry regeneration consumption gas and is connected.
The beneficial effects of the present invention are:
The present invention increases dry regeneration consumption gas in the structure of double tower type absorption type dryer and recycles pipeline, no longer will
Dry regeneration consumption gas containing a large amount of parsing moisture discharges, and dry regeneration consumption gas first passes through cooler cooling, by big portion
It decomposes bleed point and carries out condensation removal, be then again introduced into sorption cycle system, it can be with the dry regeneration consumption gas of high efficiente callback
Potential energy is compressed, the kinetic energy cost of compression device can be made to reduce by 2% ~ 10%.In addition, present invention also adds regeneration drying tower preheatings
Pipeline shunts a part from the high temperature air that compressed air unit exports, directly heats, make to adsorption saturation drying tower
Temperature is promoted to 85 DEG C ~ 105 DEG C by 35 DEG C ~ 45 DEG C in its tower, then opens electric heater again and carries out heating treatment to drying tower,
So that temperature in tower is continuously heating to 140 DEG C ~ 160 DEG C, electric heating consumption about 50% or more can be reduced.
The present invention improves the utilization rate of waste heat of compressed-air drier, reduces compressed-air drier regeneration consumption
Resource systematically reduces the energy consumption index of compressed-air drier.There is the present invention structure to be simple and convenient to operate, be transformed into
The advantages of this is low, convenient for safeguarding, implementation result is good, strong applicability, can be applied to more compression drying filtration systems.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is ejector structure schematic diagram of the invention.
Mark in figure as follows: air compressor machine final stage compression chamber 1, aftercooler 2 are adsorbed by drying tower 3, regeneration drying tower 4, inhale
Attached drying tower blow valve 5 is adsorbed by drying tower intake valve 6, regeneration drying tower blow valve 7, regeneration drying tower intake valve 8, adsorbs and do
Dry tower exhaust valve 9 is adsorbed by drying tower heating valve 10, regeneration drying tower exhaust valve 11, regeneration drying tower heating valve 12, electric heater
13, dry regeneration consumption gas recycle pipeline 14, regeneration drying tower preheating pipe 15, drier cooler 16, injector 17,
Outer tube 18, afterwards intubation 19, dry regeneration consumption gas air inlet pipe 20.
Specific embodiment
Fig. 1 shows that the structure of existing double tower type absorption type dryer includes being adsorbed by drying tower 3, regeneration drying tower 4, inhaling
Attached drying tower blow valve 5 is adsorbed by drying tower intake valve 6, regeneration drying tower blow valve 7, regeneration drying tower intake valve 8, adsorbs and do
Dry tower exhaust valve 9 is adsorbed by drying tower heating valve 10, regeneration drying tower exhaust valve 11, regeneration drying tower heating valve 12, electric heater
13。
Fig. 1 shows that the present invention increases dry regeneration consumption gas in the structure of existing double tower type absorption type dryer
It recycles pipeline 14 and regenerates drying tower preheating pipe 15, add for realizing dry consumption gas recycling and the electricity of regenerating of discharge
The preheating of hot device 13 saves and is dried energy consumption.
Fig. 1 shows that dry regeneration consumption gas recycles the inlet end of pipeline 14 and the regeneration drying tower of regeneration drying tower 4
Blow valve 7 is connected, and the exhaust end that dry regeneration consumption gas recycles pipeline 14 is connected with the admission line for being adsorbed by drying tower 3
It connects, dry regeneration consumption gas, which recycles, is equipped with drier cooler 16 in pipeline 14, dry regeneration consumption gas recycles
Pipeline 14 and the admission line junction for being adsorbed by drying tower 3 are equipped with injector 17.
After the dry regeneration consumption gas of increase recycles pipeline 14, it is vented and discharged from regeneration drying tower blow valve 7 originally
The dry regeneration consumption gas containing a large amount of parsing moisture will no longer discharge, but by this portion gas by drier cooling
Device 16 cools down, and carries out condensation removal to most of parsing moisture therein, is then mixed into air compressor machine end by injector 17
In the compressed air that grade cooler 2 exports, sorption cycle system is again introduced into realize and is not increasing electronic supercharging equipment
Under the premise of, the compression potential energy of the dry regeneration consumption gas of high efficiente callback can make the kinetic energy cost of compression device reduce by 2% ~ 10%.
Fig. 1 shows that regeneration 15 inlet end of drying tower preheating pipe and the final compressor for entering compressed-air drier are cold
But the high temperature air pipeline in 2 front of device is connected, and regenerates the air inlet of the exhaust end and electric heater 13 of drying tower preheating pipe 15
End is connected.
After increasing regeneration drying tower preheating pipe 15, a part is shunted from the high temperature air that compressed air unit exports,
About 15% high temperature compressed air bypasses air compressor machine aftercooler 2, directly heats to regeneration drying tower 4, keeps regeneration dry
Temperature is first promoted to 85 DEG C ~ 105 DEG C by 35 DEG C ~ 45 DEG C in the tower of dry tower 4；Then 13 pairs of regeneration drying towers of electric heater are opened again
4 carry out secondary temperature elevation processing, and temperature in tower is made to be continuously heating to 140 DEG C ~ 160 DEG C, inhale to make full use of high temperature energy to destroy
The adsorption capacity on attached dose of surface and hydrone makes adsorbent restore dehydration activity.This Technological improvement plan can disappear reheating
The electric energy of consumption reduces by 50% or more.
Fig. 2 shows that injector 17 is made of outer tube 18 and rear intubation 19.The front and rear of outer tube 18 be respectively to
Preceding expansion and outspreading backwards taper, the smaller diameter end of forward taper and the smaller diameter end of rear portion taper are at the middle part of outer tube 18
It is connected.Intubation 19 is short tube afterwards, and the rear front for being intubated 19 peripheries is taper, and rear portion is cylindrical shape, rear to be intubated 19 forward tapers
Larger diameter end be connected with rear portion cylindrical shape, rear intubation 19 is inserted in the rear portions of outer tube 18, and the rear portion of rear intubation 19 is cylinder-shaped
The rear inside wall of outer wall and outer tube 18 is flanged joint, and the rear tapered opening for being intubated 19 front ends is located at the rear portion cone of outer tube 18
In shape chamber, the dry regeneration consumption gas air inlet vertically with 18 length direction of outer tube is installed on the side wall at 18 rear portion of outer tube
Pipe 20.
Using this injector 17 without increase newly electronic supercharging equipment the dry regeneration consumption gas of low pressure can be incorporated to compared with
In the compressed air of high pressure, the rotatable parts of electric booster disadvantage easy to wear is avoided, kinetic energy consumption has been saved.It is same to adopt
It is compared with electronic supercharging equipment, recyclable compression potential energy is improved by 0.9% ~ 4.5% to 2% ~ 10%.
Fig. 1,2 displays, the cylinder-shaped rear end of the rear intubation 19 at 17 rear portion of injector and the sky of input compressed-air drier
Air pipeline after press aftercooler 2 is connected, the taper major diameter end of 18 front of outer tube be adsorbed by drying tower 4 into
Feed channel is connected, and the dry regeneration consumption gas air inlet pipe 20 of 18 side wall of outer tube and dry regeneration consumption gas recycle pipeline
14 are connected.
After the dry regeneration consumption gas that regeneration drying tower blow valve 7 discharges passes through the cooling draining of drier cooler 16, from
The dry regeneration consumption gas air inlet pipe 20 of 18 side wall of outer tube enters in injector 17, the compression with input compressed-air drier
After primary air after machine aftercooler mixes, it is again introduced into during cyclic drying.
One embodiment of the present of invention is as follows:
Double tower type absorption type dryer model SLAD-300MXF, specified processing tolerance 300Nm3/ min, operating pressure are
0.8MPa, dust cycle are 480 minutes, and filling filtrate is aluminium oxide and molecular sieve desiccant in drying tower；
Electric heater 13 is the three core type electric heaters of power 144KW；
Heater gas transmission valve 12 is the hand stop valve of model DN80P16；
It is adsorbed by drying tower intake valve 6, regeneration drying tower the intake valve 8 respectively pneumatic switching valve of model DN250P16；
It is adsorbed by drying tower blow valve 5, regeneration drying tower the blow valve 7 respectively pneumatic switching valve of model DN200P16；
It is adsorbed by drying tower exhaust valve 9, regeneration drying tower the exhaust valve 11 respectively pneumatic switching valve of model DN250P16；
It is adsorbed by drying tower heating valve 10, regeneration drying tower the heating valve 12 respectively pneumatic switching valve of model DN100P16；
The outer diameter that dry regeneration consumption gas recycles pipeline 14 is 159mm, internal diameter 149mm；
The outer diameter for regenerating drying tower preheating pipe 15 is 159mm, internal diameter 149mm；
The outer diameter of the outer tube 18 of injector 17 is 310mm, and inner hole point diameter is 260mm, length 200mm；
The diameter of bore of the rear intubation 19 of injector 17 is 231mm, length 400mm.
Claims (3)
1. one kind can reduce the compressed-air drier of energy consumption, it includes double tower type absorption type dryer, it is characterised in that: it
It also adds dry regeneration consumption gas and recycles pipeline (14) and regeneration drying tower preheating pipe (15), dry regeneration consumption gas
The inlet end for recycling pipeline (14) is connected with the regeneration drying tower blow valve (7) of regeneration drying tower (4), and dry regeneration disappears
The exhaust end that gas consumption recycles pipeline (14) is connected with the admission line for being adsorbed by drying tower (3), and dry regeneration consumption gas follows
Ring in pipeline (14) using being equipped with drier cooler (16), and dry regeneration consumption gas recycles pipeline (14) and absorption is dry
The admission line junction of dry tower (3) is equipped with injector (17), regenerates inlet end and the entrance of drying tower preheating pipe (15)
High temperature air pipeline in front of the air compressor machine aftercooler (2) of compressed-air drier is connected, and regenerates drying tower economizer bank
The exhaust end in road (15) is connected with the inlet end of electric heater (13).
2. the compressed-air drier according to claim 1 that energy consumption can be reduced, it is characterised in that: the injector
(17) it is made of outer tube (18) and rear intubation (19), the front and rear of outer tube (18) is respectively expanded forward and expanded backward
The taper opened, the smaller diameter end of forward taper are connected in the middle part of outer tube (18) with the smaller diameter end of rear portion taper, rear to insert
The front for managing (19) periphery is taper, and rear portion is cylindrical shape, and the rear larger diameter end for being intubated (19) forward taper and rear portion are cylinder-shaped
It is connected, the rear rear portion for being intubated (19) and being inserted in outer tube (18), the rear portion cylindrical outer wall and outer tube 18 of rear intubation (19))
Rear inside wall is flanged joint, and the rear tapered opening for being intubated (19) front end is located in the rear portion conical cavity room of outer tube (18), outside
Dry regeneration consumption gas air inlet pipe (20) vertically with outer tube (18) length direction is installed on the side wall at casing (18) rear portion.
3. the compressed-air drier according to claim 2 that energy consumption can be reduced, it is characterised in that: the injector
(17) behind the cylinder-shaped rear end of the rear intubation (19) at rear portion and the air compressor machine aftercooler (2) of input compressed-air drier
Air pipeline be connected, the taper major diameter end of outer tube (18) front is connected with the admission line for being adsorbed by drying tower (3),
Dry regeneration consumption gas air inlet pipe (20) of outer tube (18) side wall recycles pipeline (14) with dry regeneration consumption gas and is connected
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943312.4A CN109173620A (en) | 2018-08-17 | 2018-08-17 | A kind of compressed-air drier that can reduce energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943312.4A CN109173620A (en) | 2018-08-17 | 2018-08-17 | A kind of compressed-air drier that can reduce energy consumption |
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| Publication Number | Publication Date |
|---|---|
| CN109173620A true CN109173620A (en) | 2019-01-11 |
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ID=64918696
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810943312.4A Withdrawn CN109173620A (en) | 2018-08-17 | 2018-08-17 | A kind of compressed-air drier that can reduce energy consumption |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60009186D1 (en) * | 1999-03-12 | 2004-04-29 | Air Liquide | Method and device for cleaning and cryogen separation of air without pre-cooling |
| CN2625818Y (en) * | 2003-06-02 | 2004-07-14 | 席玉明 | Regenerate air circulating absorptive drier |
| CN202724980U (en) * | 2012-07-26 | 2013-02-13 | 杭州日盛净化设备有限公司 | Compression heat regeneration compressed air cleaner |
| US20150217272A1 (en) * | 2014-01-31 | 2015-08-06 | Spx Corporation | Heat reactivated adsorbent gas fractionator and process |
| CN204768175U (en) * | 2015-06-09 | 2015-11-18 | 珠海华信净化设备有限公司 | Circulation desicator |
| CN207413103U (en) * | 2017-09-07 | 2018-05-29 | 陈琦琦 | A kind of zero gas consumption reproduction adsorption type drying machine injector |
-
2018
- 2018-08-17 CN CN201810943312.4A patent/CN109173620A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60009186D1 (en) * | 1999-03-12 | 2004-04-29 | Air Liquide | Method and device for cleaning and cryogen separation of air without pre-cooling |
| CN2625818Y (en) * | 2003-06-02 | 2004-07-14 | 席玉明 | Regenerate air circulating absorptive drier |
| CN202724980U (en) * | 2012-07-26 | 2013-02-13 | 杭州日盛净化设备有限公司 | Compression heat regeneration compressed air cleaner |
| US20150217272A1 (en) * | 2014-01-31 | 2015-08-06 | Spx Corporation | Heat reactivated adsorbent gas fractionator and process |
| CN204768175U (en) * | 2015-06-09 | 2015-11-18 | 珠海华信净化设备有限公司 | Circulation desicator |
| CN207413103U (en) * | 2017-09-07 | 2018-05-29 | 陈琦琦 | A kind of zero gas consumption reproduction adsorption type drying machine injector |
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Application publication date: 20190111 |