CN105964113B - A kind of zero gas consumption compressed air drier by afterheat regeneration - Google Patents

A kind of zero gas consumption compressed air drier by afterheat regeneration Download PDF

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CN105964113B
CN105964113B CN201610476596.1A CN201610476596A CN105964113B CN 105964113 B CN105964113 B CN 105964113B CN 201610476596 A CN201610476596 A CN 201610476596A CN 105964113 B CN105964113 B CN 105964113B
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valve
air
gas
compressed air
ultraviolet
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CN105964113A (en
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骆佳豪
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Zhangjiagang Yingde Gas Co., Ltd.
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Sun Jingjie
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Priority to CN201810134080.8A priority Critical patent/CN108325346A/en
Priority to CN201810133474.1A priority patent/CN108187433A/en
Priority to CN201810134111.XA priority patent/CN108201775A/en
Priority to CN201810134112.4A priority patent/CN108325347A/en
Priority to CN201810133119.4A priority patent/CN108283867B/en
Application filed by Sun Jingjie filed Critical Sun Jingjie
Priority to CN201810133126.4A priority patent/CN108325345A/en
Priority to CN201610476596.1A priority patent/CN105964113B/en
Publication of CN105964113A publication Critical patent/CN105964113A/en
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
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    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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Abstract

The invention discloses a kind of zero gas consumption compressed air drier by afterheat regeneration, which includes compressed air inlet, ultraviolet catalyzed oil expeller, adsorption tower, thermoelectric converter, storage battery, heating controller, electric heater, external power supply, cooler A, gas-liquid separator A, cooler B, gas-liquid separator B, bag filter, drying compressed air outlet and 5 sets of shut-off valves.The system is different from existing compression heat regeneration absorption drier, its creative design, which has achieved, only needs 1 adsorption tower just can complete the dehydration and drying of compressed air and the regeneration overall process of adsorbent for needing 2 adsorption towers to complete originally, has good drying process effect.The system also creativeness employs thermoelectric generation technology and ultraviolet catalytic decomposition technique, and unnecessary heat can be converted to electric energy, greatly reduce system energy consumption by thermoelectric generation technology；And ultraviolet catalytic decomposition technique can efficiently remove mineral oil contained in air.

Description

A kind of zero gas consumption compressed air drier by afterheat regeneration
Technical field
The present invention relates to a kind of zero gas consumption compressed air drier by afterheat regeneration.
Background technology
Compressed air is only second to electric power because having the characteristics that easily storage, easy to control, good fluidity and safe and environment-friendly Second power source, is widely used in many fields such as food, electric power, chemical industry, pharmacy, mining and machine-building.Application Field is different, also different to the quality requirement of compressed air, but be unable to do without the efficient, theme of energy-saving and environmental protection all the time.
Air is after compressor compresses, so that it may obtains the compressed air with elevated pressures.But due to air compressor Itself contains lubricating oil, when being compressed work, necessarily has parts of lubricating oil to be mixed into compressed air, in addition, natural The air on boundary is in itself also containing some solid particles and moisture etc., and therefore, the compressed air produced by compressor is not pure 's.This air without purified treatment is directly used in pneumatic circuit, pneumatic circuit can be made to break down, damage pneumatic group Part, reduces component service life, production efficiency declines, or even causes the accident.According to statistics, the disorderly closedown of pneumatic system has 85% Above is due to the use of caused by unholiness, moist compressed air.To find out its cause, the moisture in compressed air can cause portion Part corrosion, winter can condense icing, result in blockage；Oil gas condensation precipitate to be formed greasy dirt often result in seal aging, failure；Powder Dirt then accelerates the abrasion of moving parts, and deposition results in blockage, and causes meaningless pressure loss etc..Therefore, these compressions are purified Air is an essential important step in baric systerm to obtain pure compressed air.
Wherein, it is exactly moisture contained in compressed air maximum factor to be influenced on pneumatic system.Moisture is in surrounding air In be widely present, can not remove completely, this part water enter compressor compresses after, due to the change of temperature, pressure, will have cold Condensate separates out, and seriously affects operation and the function life-span of other gas equipments of Compressor Group, therefore removes the water in air It is very necessary to divide.
Drying is opposite, that is, is considered as dry air in certain demand, is regarded as not in other purposes Enough dryings.Therefore, compressed air needs the drying of which kind of degree, first when being design or selection drying machine which kind of demand met The factor to be considered.Because selection need not too low dew point drying machine, will increase buying and operating cost.It is several more than Different theoretical methods, the compressed air drying method developed and used at present mainly include following several：
（1）It is adsorbed by drying method：
Method is adsorbed by drying using adsorbent to the absorption property of moisture, such as silica gel, activated alumina and molecular sieve etc., they All there is very strong adsorption capacity to moisture.The moisture absorption process of adsorbent is physical change, is reproducible, inhales under high pressure It is attached, desorbed under low pressure, i.e. pressure-variable adsorption（PSA）；Also can be adsorbed in normal pressure, when heating regenerates, i.e. temp.-changing adsorption（TSA）；Or High normal pressure and temperature absorption, constant-pressure and high-temperature desorption（PTC）.This kind of aridity being adsorbed by drying can reach -70 DEG C of dew points at normal pressure.
（2）Deliquescence seasoning：
Characterization of adsorption of the deliquescence formula drier also with adsorbent to moisture, only the adsorbent of deliquescence formula adsorbing After moisture, become liquid and discharge, the adsorbent after deliquescence cannot regenerate, and can cause environmental pollution.This method is also known as Chemical method.This kind of drier can reach -38 DEG C or so of dew point.
（3）Freeze-drying：
Freeze-drying is that the cold produced using refrigeration compressor cools down compressed air, reaches compressed air Dew-point temperature corresponding to its pressure, so that the moisture in compressed air separates out, reaches drying purpose.This kind of seasoning is done Dry degree can reach -23 DEG C of dew points at normal pressure.
（4）UF membrane seasoning：
It is a kind of extremely promising drying mode that compressed air, which is dried, using membrane separation technique.Compressed air is passed through During hollow fiber film, the osmotic pressure of every kind of material is different, water is separated from compressed air, so as to reach dry effect Fruit.
Existing compressed air drying method generally existing operating cost is high, absorption material expends big, service life of equipment The shortcomings of short, and its drying effect is also difficult to meet the higher and higher gas requirement of equipment.For this reason, it may be necessary to find new method This problem is solved with approach.
The content of the invention
In order to solve many deficiencies of the prior art, the present invention provides zero gas consumption residual heat regenerating compressed air of one kind to do Dry device, the device include compressed air inlet, ultraviolet catalyzed oil expeller, adsorption tower, thermoelectric converter, storage battery, heating Controller, electric heater, external power supply, cooler A, gas-liquid separator A, cooler B, gas-liquid separator B, bag filter, Drying compressed air exports and 5 sets of shut-off valves.Wherein, after air enters the present apparatus by compressed air inlet, initially enter Ultraviolet catalyzed oil expeller, the air path after its deoiling treatment are divided into A, B two-way, and the connection mode on A roads is：Air according to It is secondary by shut-off valve A, thermoelectric converter, shutoff valve C, eventually enter into adsorption tower；The connection mode on B roads is：Air passes sequentially through Shut-off valve B, cooler B, gas-liquid separator B, shut-off valve D, eventually enter into adsorption tower.Wherein, compressed air outlet gas flow path is one Road, air pass sequentially through cooler A, gas-liquid separator A, bag filter, are finally exported and sent out by drying compressed air, conveying To gas equipment.Wherein, gas-liquid separator A and gas-liquid separator B are respectively equipped with automatic drain valve and Manual draining valve.Its In, the transport path of electric energy is：The electric energy that electric energy caused by thermoelectric converter and external power supply provide, is deposited into storage battery Storage, and the electric heater inside adsorption tower is conveyed to after the regulation and control of heated controller.Wherein, outside ultraviolet catalyzed oil expeller Cover and be respectively equipped with air intake valve and drain tap for stainless steel, its bottom and top, be internally provided with 1 ultraviolet light and occur Device, and ultraviolet catalyzed oil expeller corner is individually fixed in by 4 fixing brackets, ultraviolet light generator is led by two sections of connections Line is connected with the electric control gear outside ultraviolet catalyzed oil expeller, and tungstic acid catalysis net is enclosed with the outside of ultraviolet light generator. Compressed air containing mineral oil enters ultraviolet catalyzed oil removing by the air intake valve positioned at ultraviolet catalyzed oil expeller bottom Inside device, air is in contact with the tungstic acid catalysis net being fixed on inside ultraviolet catalyzed oil expeller, at this time, positioned at three oxygen Change the ultraviolet light generator among tungsten catalysis net to start to work under the regulation and control of electric control gear, to whole ultraviolet catalyzed oil expeller Middle transmitting ultraviolet, under the conditions of being irradiated in ultraviolet wavelength, the tungsten atom meeting Ultraviolet radiation absorbing in tungstic acid, its low energy Level electrons are optically excited, and energy level transition occurs, while corresponding hole is produced on original cost band, so as to produce a large amount of freedom Base, and the mineral oil component exhaustive oxidation in air is cracked, its primary product is water vapour and carbon dioxide, at de-oiling Compressed air after reason is discharged through the drain tap at the top of ultraviolet catalyzed oil expeller, into next treatment process.
The complete working period of the present apparatus is divided into following two stages：
（1）Adsorbent absorbs water the stage：In this stage, shut-off valve A and shutoff valve C are opening, and shut-off valve B and cut Only valve D is in off state.The present apparatus is entered by compressed air inlet by air compressor compressed air, by ultraviolet After being catalyzed the deoiling treatment of oil expeller, thermoelectric converter is entered by the shut-off valve A of unlatching, air herein turns a part of heat Electric energy is changed to, and is stored in storage battery.Air significant hypothermal after heat to electricity conversion, is entered by the shutoff valve C of unlatching Adsorption tower, at this time the electric heater in adsorption tower be in off state, air is by the activated alumina adsorbents in adsorption tower After dehydration, temperature and moisture substantially reduce.Air after adsorption treatment, escapes and enter cold from adsorption tower But device A, is further cooled herein, then completes the separation of moisture herein into gas-liquid separator A, air, point The waste liquid separated out is also manually operable manual drainage through automatic drain valve A drainage gas-liquid separators when automatic drain valve A failures Valve A carries out urgent draining.Dry air after gas-liquid separation is handled enters bag filter, further removes various particle diameters Dust impurities after, by drying compressed air export discharge the present apparatus, be delivered to by air pipe line and removed with gas ultraviolet catalyzed Supply and use at oily device.
When adsorbent absorbs water close to saturation, device is automatically into second stage, i.e. adsorbent dehydration regeneration stage.
（2）The adsorbent dehydration regeneration stage：In this stage, shut-off valve B and shut-off valve D are opening, and shut-off valve A It is in off state with shutoff valve C.The present apparatus is entered by compressed air inlet by air compressor compressed air, by purple After the deoiling treatment of outside line catalysis oil expeller, cooler B is entered by the shut-off valve B of unlatching, is tentatively cooled herein, Then enter gas-liquid separator B, air completes the separation of partial moisture herein, and the waste liquid isolated is discharged through automatic drain valve B Gas-liquid separator, Manual draining valve B is also manually operable when automatic drain valve B failures and carries out urgent draining.By gas-liquid point Adsorption tower is entered by the shut-off valve D of unlatching from the partial desiccation air after processing, the electric heater in adsorption tower is unlatching at this time State, storage battery were delivered to electric heater, to adsorption tower after the heated controller regulation and control of electric energy that a upper stage is stored Interior adsorbent is heated, and is being heated with the double action of air purging, adsorbent dehydrates, the moisture of abjection Adsorption tower is taken out of by air and enters cooler A, is further cooled herein, it is empty then into gas-liquid separator A Gas completes the separation of moisture herein, and the waste liquid isolated is through automatic drain valve A drainage gas-liquid separators, when automatic drain valve A events Also Manual draining valve A is manually operable during barrier and carries out urgent draining.Dry air after gas-liquid separation is handled enters cloth bag Deduster, after the dust impurities for further removing various particle diameters, exports the discharge present apparatus, by air hose by drying compressed air Road is delivered to supply at gas equipment and uses.
After adsorbent dehydrates, device is automatically into first stage, i.e. adsorbent water suction stage.
Wherein, the dischargeable capacity of adsorption tower is 230m3, the adsorbent of its internal filling is spherical activated alumina （Al2O3）, its a diameter of 4 ~ 6mm, heap density is 0.80g/m3, specific surface area 340m2/ g, intensity are more than 130N/.
Wherein, thermoelectric converter is alkali metal thermo-electric conversion regime, its Acclimation temperature scope is 105 ~ 900 DEG C, conversion effect Rate can reach 40% or so, continuous generating dutation can reach 14000 it is small when.
Wherein, the working pressure range of ultraviolet catalyzed oil expeller is 0.06 ~ 0.95MPa, dischargeable capacity 15m3, it is purple The operating voltage of outer optical generator is 35V, power 100W, its luminescent spectrum energy is focused primarily upon at 320nm wavelength, average Service life up to 8000 it is small when.
Compressed air after being handled by the present apparatus, its moisture removal efficiency is up to 99.4%.
The advantage of the invention is that：
（1）Existing compression heat regeneration absorption drier needs at least two adsorption tower and Two-way Cycle gas circuit to complete Whole dehydration and drying and adsorbent reactivation process, and the Creative Design of the present apparatus makes 1 adsorption tower of its need just can complete to press The dehydration and drying of contracting air and the regeneration overall process of adsorbent, have good drying process effect, and have been reduced significantly and have set Standby volume and weight.
（2）The present apparatus employs advanced thermoelectric generation technology, and unnecessary heat is converted to electric energy, greatly reduces and is System energy consumption.
（3）Present apparatus creativeness employs ultraviolet catalytic decomposition technique, can be thorough by mineral oil contained in air Decompose and remove, be effectively protected rear end equipment.
（4）The present apparatus employs double gas circuit periodic transformation formula plenum systems, coordinates electrical heating method to carry out again adsorbent Raw processing, can realize no air loss, effectively save production cost, and can be provided for rear end gas equipment lasting, high-quality Air supply.
Brief description of the drawings
Fig. 1 is the device of the invention structure diagram.
In figure：1- compressed air inlets, 2- ultraviolet catalyzeds oil expeller, 3- adsorption towers, 4- thermoelectric converters, 5- electric power storages Pond, 6- heating controllers, 7- electric heaters, 8- external power supplys, 9- cooler A, 10- gas-liquid separator A, 11- coolers B, 12- Gas-liquid separator B, 13- bag filter, the outlet of 14- drying compressed airs, 15- shut-off valve A, 16- shut-off valve B, 17- shut-off valves C, 18- shut-off valves D, 19- automatic drain valves A, 20- Manual draining valves A, 21- automatic drain valve B, 22- Manual draining valves B
Fig. 2 is the schematic diagram of ultraviolet catalyzed oil expeller.
In figure：21- air intake valves, 22- stainless steels outer cover, 23- ultraviolet light generators, 24- tungstic acids catalysis net, 25- Fixing bracket, 26- electric control gears, 27- connecting wires, 28- drain taps
Embodiment
As shown in Figure 1, zero gas consumption compressed air drier by afterheat regeneration, which includes compressed air inlet 1, ultraviolet It is line catalysis oil expeller 2, adsorption tower 3, thermoelectric converter 4, storage battery 5, heating controller 6, electric heater 7, external power supply 8, cold But device A9, gas-liquid separator A10, cooler B11, gas-liquid separator B12, bag filter 13, drying compressed air outlet 14, Shut-off valve A15, shut-off valve B16, shutoff valve C 17, shut-off valve D18, automatic drain valve A19, Manual draining valve A20, Auto-drainage Valve B21, Manual draining valve B22.Wherein, after air enters the present apparatus by compressed air inlet 1, ultraviolet catalyzed is initially entered Oil expeller 2, the air path after its deoiling treatment are divided into A, B two-way, and the connection mode on A roads is：Air, which passes sequentially through, to be cut Only valve A15, thermoelectric converter 4, shutoff valve C 17, eventually enter into adsorption tower 3；The connection mode on B roads is：Air, which passes sequentially through, to be cut Only valve B16, cooler B11, gas-liquid separator B12, shut-off valve D18, eventually enter into adsorption tower 3.Wherein, compressed air goes out gas circuit Footpath is all the way, air passes sequentially through cooler A9, gas-liquid separator A10, bag filter 13, is finally gone out by drying compressed air Mouth 14 is sent out, and is delivered at gas equipment.Wherein, gas-liquid separator A10 and gas-liquid separator B12 are respectively equipped with automatic drain valve A19, automatic drain valve B21 and Manual draining valve A20, Manual draining valve B22.Wherein, the transport path of electric energy is：Heat to electricity conversion After the electric energy that electric energy caused by device 4 and external power supply 8 provide, stores into storage battery 5, and heated controller 6 regulates and controls The electric heater 7 being conveyed to inside adsorption tower 3.Wherein, 2 outer cover of ultraviolet catalyzed oil expeller is stainless steel, its bottom Portion and top are respectively equipped with air intake valve 21 and drain tap 28, are internally provided with 1 ultraviolet light generator 23, and pass through 4 Fixing bracket 25 is individually fixed in ultraviolet catalyzed oil expeller corner, and ultraviolet light generator 23 passes through two sections of connecting wires 27 and purple Electric control gear 26 outside outside line catalysis oil expeller is connected, and the outside of ultraviolet light generator 23 is enclosed with tungstic acid catalysis net 24. Compressed air containing mineral oil is removed by the air intake valve 21 positioned at 2 bottom of ultraviolet catalyzed oil expeller into ultraviolet catalyzed Inside oily device, air is in contact with the tungstic acid catalysis net 24 being fixed on inside ultraviolet catalyzed oil expeller, at this time, is located at Ultraviolet light generator 23 among tungstic acid catalysis net 24 is started to work under the regulation and control of electric control gear 26, to whole ultraviolet Launch ultraviolet in catalysis oil expeller, under the conditions of being irradiated in ultraviolet wavelength, the tungsten atom in tungstic acid can absorb ultraviolet Radiation, its low-lying level electrons is optically excited, and energy level transition occurs, while corresponding hole is produced on original cost band, so that A large amount of free radicals are produced, and the mineral oil component exhaustive oxidation in air is cracked, its primary product is water vapour and titanium dioxide Carbon, the compressed air after deoiling treatment is discharged through the drain tap 28 at the top of ultraviolet catalyzed oil expeller, into next place Science and engineering sequence.
The complete working period of the present apparatus is divided into following two stages：
（1）Adsorbent absorbs water the stage：In this stage, shut-off valve A15 and shutoff valve C 17 are opening, and shut-off valve B16 and shut-off valve D18 are in off state.The present apparatus is entered by compressed air inlet 1 by air compressor compressed air, After the deoiling treatment of ultraviolet catalyzed oil expeller 2, thermoelectric converter 4 is entered by the shut-off valve A15 of unlatching, air is herein A part of heat is converted into electric energy, and is stored in storage battery 5.Air significant hypothermal after heat to electricity conversion, by opening The shutoff valve C 17 opened enters adsorption tower 3, and the electric heater 7 in adsorption tower 3 is in off state at this time, and air is by adsorption tower 3 Activated alumina adsorbents dehydration after, temperature and moisture substantially reduce.Air after adsorption treatment, Cooler A9 is escaped and enter from adsorption tower 3, is further cooled herein, it is empty then into gas-liquid separator A10 Gas completes the separation of moisture herein, and the waste liquid isolated works as automatic drain valve through automatic drain valve A19 drainage gas-liquid separators Also Manual draining valve A20 is manually operable during A19 failures and carries out urgent draining.Dry air after gas-liquid separation is handled into Enter bag filter 13, after the dust impurities for further removing various particle diameters, this dress is discharged by drying compressed air outlet 14 Put, being delivered to gas equipment supply by air pipe line uses.
When adsorbent absorbs water close to saturation, device is automatically into second stage, i.e. adsorbent dehydration regeneration stage.
（2）The adsorbent dehydration regeneration stage：In this stage, shut-off valve B16 and shut-off valve D18 are opening, and are cut Only valve A15 and shutoff valve C 17 are in off state.This is entered by compressed air inlet 1 by the compressed air of air compressor Device, after the deoiling treatment of ultraviolet catalyzed oil expeller 2, enters cooler B11, herein by the shut-off valve B16 of unlatching Tentatively cooled, then complete the separation of partial moisture herein into gas-liquid separator B12, air, that isolates is useless Liquid is also manually operable Manual draining valve through automatic drain valve B21 drainage gas-liquid separators when automatic drain valve B21 failures B22 carries out urgent draining.Partial desiccation air after gas-liquid separation is handled enters adsorption tower 3 by the shut-off valve D18 of unlatching, The electric heater 7 in adsorption tower 3 is opening at this time, the heated control of electric energy that storage battery 5 was stored in a upper stage After device 6 regulates and controls, electric heater 7 is delivered to, the adsorbent in adsorption tower 3 is heated, purged in heating and air dual Under effect, adsorbent dehydrates, and the moisture of abjection takes adsorption tower 3 out of by air and enters cooler A9, carries out herein Further cool, then complete the separation of moisture herein into gas-liquid separator A10, air, the waste liquid warp isolated Automatic drain valve A19 drainage gas-liquid separators, be also manually operable when automatic drain valve A19 failures Manual draining valve A20 into The urgent draining of row.Dry air after gas-liquid separation is handled enters bag filter 13, further removes various particle diameters After dust impurities, by the 14 discharge present apparatus of drying compressed air outlet, being delivered to gas equipment supply by air pipe line makes With.After adsorbent dehydrates, device is automatically into first stage, i.e. adsorbent water suction stage.Wherein, adsorption tower 2 has Effect volume is 230m3, the adsorbent of its internal filling is spherical activated alumina（Al2O3）, its a diameter of 4 ~ 6mm, heap density is 0.80g/m3, specific surface area 340m2/ g, intensity are more than 130N/；Wherein, thermoelectric converter 3 is alkali metal thermo-electric conversion side Formula, its Acclimation temperature scope are 105 ~ 900 DEG C, and transfer efficiency can reach 40% or so, and it is small that continuous generating dutation can reach 14000 When；Wherein, the working pressure range of ultraviolet catalyzed oil expeller 2 is 0.06 ~ 0.95MPa, dischargeable capacity 15m3, its ultraviolet light The operating voltage of generator 23 is 35V, power 100W, its luminescent spectrum energy is focused primarily upon at 320nm wavelength, averagely made With the service life up to 8000 it is small when.
Compressed air after being handled by the present apparatus, its moisture removal efficiency is up to 99.4%.

Claims (5)

1. a kind of zero gas consumption compressed air drier by afterheat regeneration, it is characterised in that urged including compressed air inlet, ultraviolet Change oil expeller, adsorption tower, thermoelectric converter, storage battery, heating controller, electric heater, external power supply, cooler A, gas-liquid point From device A, cooler B, gas-liquid separator B, bag filter, drying compressed air outlet and 5 sets of shut-off valves；Wherein, air Ultraviolet catalyzed oil expeller is entered by compressed air inlet, the air path after its deoiling treatment is divided into A, B two-way, A The connection mode on road is：Air passes sequentially through shut-off valve A, thermoelectric converter, shutoff valve C, eventually enters into adsorption tower；The company on B roads The mode of connecing is：Air passes sequentially through shut-off valve B, cooler B, gas-liquid separator B, shut-off valve D, eventually enters into adsorption tower；Wherein, Compressed air outlet gas flow path is all the way, air passes sequentially through cooler A, gas-liquid separator A, bag filter, finally by drying Compressed air outlet is sent out, and is delivered at gas equipment；Wherein, gas-liquid separator A and gas-liquid separator B are respectively equipped with automatic row Water valve and Manual draining valve；Wherein, the transport path of electric energy is：What electric energy caused by thermoelectric converter and external power supply provided Electric energy, the electric heater being conveyed into accumulators store, and after the regulation and control of heated controller inside adsorption tower；
The complete working period of the present apparatus is divided into following two stages：
（1）Adsorbent absorbs water the stage：In this stage, shut-off valve A and shutoff valve C are opening, and shut-off valve B and shut-off valve D is in off state, and enters the present apparatus by compressed air inlet by the compressed air of air compressor, by ultraviolet catalyzed After the deoiling treatment of oil expeller, thermoelectric converter is entered by the shut-off valve A of unlatching, air is herein converted to a part of heat Electric energy, and be stored in storage battery, the air significant hypothermal after heat to electricity conversion, absorption is entered by the shutoff valve C of unlatching Tower, at this time the electric heater in adsorption tower be in off state, dehydration of the air by the activated alumina adsorbents in adsorption tower After effect, temperature and moisture substantially reduce, and the air after adsorption treatment, cooler is escaped and enter from adsorption tower A, further cools herein, then completes the separation of moisture herein into gas-liquid separator A, air, and that isolates is useless Liquid is through automatic drain valve A drainage gas-liquid separators, and when automatic drain valve A failures, manual operation Manual draining valve A carries out urgent Draining, the dry air after gas-liquid separation is handled enter bag filter, further remove the dust impurities of various particle diameters Afterwards, the discharge present apparatus is exported by drying compressed air, being delivered to gas equipment supply by air pipe line uses；
（2）The adsorbent dehydration regeneration stage：When adsorbent absorbs water close to saturation, device is adsorbed automatically into second stage Agent dehydration regeneration stage, shut-off valve B and shut-off valve D are opening, and shut-off valve A and shutoff valve C are in off state, by sky The compressed air of air compressor enters the present apparatus by compressed air inlet, by the deoiling treatment of ultraviolet catalyzed oil expeller Afterwards, cooler B is entered by the shut-off valve B of unlatching, is tentatively cooled herein, then into gas-liquid separator B, air The separation of partial moisture is completed herein, and the waste liquid isolated is through automatic drain valve B drainage gas-liquid separators, as automatic drain valve B Manual operation Manual draining valve B carries out urgent draining during failure, and the partial desiccation air after gas-liquid separation is handled passes through unlatching Shut-off valve D enter adsorption tower, the electric heater in adsorption tower is opening at this time, and storage battery was stored in a upper stage The regulation and control of electric energy heated controller after, be delivered to electric heater, the adsorbent in adsorption tower heated, in heating and empty Under the double action that air-blowing is swept, adsorbent dehydrates, and the moisture of abjection takes adsorption tower out of by air and enters cooler A, is further cooled herein, is then completed the separation of moisture herein into gas-liquid separator A, air, is isolated Waste liquid through automatic drain valve A drainage gas-liquid separators, when automatic drain valve A failures, manual operation Manual draining valve A is carried out Urgent draining, the dry air after gas-liquid separation is handled enter bag filter, further remove the dust of various particle diameters After impurity, the discharge present apparatus is exported by drying compressed air, being delivered to gas equipment supply by air pipe line uses；Work as suction After attached dose of dehydration and drying, device is automatically into first stage, i.e. adsorbent water suction stage.
2. zero gas consumption compressed air drier by afterheat regeneration according to claim 1, it is characterised in that ultraviolet catalyzed Oil expeller bottom and top are respectively equipped with air intake valve and drain tap, are internally provided with 1 ultraviolet light generator, and pass through 4 Branch fixing bracket is individually fixed in ultraviolet catalyzed oil expeller corner, and ultraviolet light generator passes through two sections of connecting wires and ultraviolet Electric control gear outside catalysis oil expeller is connected, and is enclosed with tungstic acid catalysis net on the outside of ultraviolet light generator, contains mineral oil Compressed air by positioned at the air intake valve of ultraviolet catalyzed oil expeller bottom enter ultraviolet catalyzed oil expeller inside, air It is in contact, is now placed in tungstic acid catalysis net with the tungstic acid catalysis net being fixed on inside ultraviolet catalyzed oil expeller Between ultraviolet light generator start to work under the regulation and control of electric control gear, launch into whole ultraviolet catalyzed oil expeller ultraviolet Line, under the conditions of being irradiated in ultraviolet wavelength, the tungsten atom meeting Ultraviolet radiation absorbing in tungstic acid, its low-lying level electrons quilt Light excites, and energy level transition occurs, while corresponding hole is produced on original cost band, so as to produce a large amount of free radicals, and by sky Mineral oil component exhaustive oxidation cracking in gas, its primary product is water vapour and carbon dioxide, the pressure after deoiling treatment Contracting air is discharged through the drain tap at the top of ultraviolet catalyzed oil expeller, into next treatment process.
3. zero gas consumption compressed air drier by afterheat regeneration according to claim 1, it is characterised in that adsorption tower has Effect volume is 230m3, the adsorbent of its internal filling is spherical activated alumina, its a diameter of 4 ~ 6mm, heap density is 0.80g/ m3, specific surface area 340m2/ g, intensity are more than 130N/.
4. zero gas consumption compressed air drier by afterheat regeneration according to claim 1, it is characterised in that thermoelectric converter For alkali metal thermo-electric conversion regime, its Acclimation temperature scope is 105 ~ 900 DEG C.
5. zero gas consumption compressed air drier by afterheat regeneration according to claim 1, it is characterised in that ultraviolet catalyzed The working pressure range of oil expeller is 0.06 ~ 0.95MPa, dischargeable capacity 15m3, the operating voltage of its ultraviolet light generator is 35V, power 100W.
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CN201810133119.4A CN108283867B (en) 2016-06-27 2016-06-27 Zero-gas-consumption waste heat regeneration compressed air drying device
CN201810134080.8A CN108325346A (en) 2016-06-27 2016-06-27 A kind of zero gas consumption compressed air drier by afterheat regeneration
CN201810133126.4A CN108325345A (en) 2016-06-27 2016-06-27 A kind of zero gas consumption compressed air drier by afterheat regeneration
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CN110237660A (en) * 2019-06-28 2019-09-17 苏州市建科建筑节能研究开发有限公司 Utilize photovoltaic and the united drying compressed air system of paddy electricity and its control method

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