CN107670472A - A kind of Waste Heat Reuse regenerative dryer and its method - Google Patents

A kind of Waste Heat Reuse regenerative dryer and its method Download PDF

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Publication number
CN107670472A
CN107670472A CN201710805167.9A CN201710805167A CN107670472A CN 107670472 A CN107670472 A CN 107670472A CN 201710805167 A CN201710805167 A CN 201710805167A CN 107670472 A CN107670472 A CN 107670472A
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CN
China
Prior art keywords
pneumatic operated
operated valve
adsorption tower
valve
waste heat
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CN201710805167.9A
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Chinese (zh)
Inventor
徐惊涛
潘浩
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Wuhan Iron And Steel Group Gas Co Ltd
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Wuhan Iron And Steel Group Gas Co Ltd
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Priority to CN201710805167.9A priority Critical patent/CN107670472A/en
Publication of CN107670472A publication Critical patent/CN107670472A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/402Further details for adsorption processes and devices using two beds

Abstract

The present invention discloses a kind of Waste Heat Reuse regenerative dryer and its method, and the drier includes:Pneumatic operated valve D, adsorption tower A and B, the by-passing valve E being sequentially connected with, cooler F1, steam-water separator J1, E are connected with D;Pneumatic operated valve A4 and B4, one end is connected with D;Pneumatic operated valve A5 and B5, one end E connections;Pneumatic operated valve A4, A5, A6, A1, A2, A3 and adsorption tower A connections, pneumatic operated valve B4, B5, B6, B1, B2, B3 and adsorption tower B connections, the cooler F2 of interconnection and steam-water separator J2, F2 are connected with A6 and B6, and J2 is connected with A1 and B1;Pneumatic operated valve A2 and B2 is connected with dust filter unit H entrance points;Manual modulation valve C1, pneumatic operated valve C2, electric heater I, the flow measuring probe M being sequentially connected with, wherein, C1 is connected with the H ports of export, and M is connected with A3 and B3 simultaneously;By setting cooler, high-temperature gas is entered one of adsorption tower carry out heating parsing, recovery heat after cool again, adsorbed subsequently into another adsorption tower, so as to which reduce the energy puts damage, and the waste heat of compressed gas is effectively reclaimed, has made full use of the energy.

Description

A kind of Waste Heat Reuse regenerative dryer and its method
Technical field
The present invention relates to technical field of air purification, more particularly to a kind of Waste Heat Reuse regenerative dryer and its method.
Background technology
Typically now it is to use heatless regeneration absorption drier in chemical industry in air purification process.Without heat again Raw absorption drier is to utilize principle of pressure swing adsorption, and the adsorbent that adsorption moisture under pressure state is reached to saturation is depressured rapidly To atmospheric pressure, now, adsorbed moisture is voluntarily desorbed, and the regeneration of adsorbent is realized, outside the moisture diffusion being desorbed out to machine.
Heatless regeneration drying machine is using double column pressure swing absorption, the technique of heatless regeneration, and its operation principle is an absorption Tower is adsorbed by drying under operating pressure, while another adsorption tower using itself a part of dry gas and is depressured close to big Atmospheric pressure, it is regenerated as regeneration gas, double tower switching is carried out with fixed switching time, so as to continuously provide drying Gas.
However, find in use, when being regenerated using heatless regeneration drying machine, the energy consumption of discharge up to 15%, Cause the waste of mass energy.
The content of the invention
The application provides a kind of Waste Heat Reuse regenerative dryer and its method, solves and uses heatless regeneration in the prior art When drying machine machine is regenerated, the energy consumption of discharge causes the technical problem of the waste of mass energy, and reclaimed pressure up to 15% The compression high-temperature residual heat of contracting machine, efficiently utilizes the energy, reduces energy resource consumption.
The application provides a kind of Waste Heat Reuse regenerative dryer, and the Waste Heat Reuse regenerative dryer includes:
Pneumatic operated valve D, it is arranged on high-temperature gas entrance;
Adsorption tower A and adsorption tower B
By-passing valve E, cooler F1, the steam-water separator J1 being sequentially connected with, wherein, the by-passing valve E and pneumatic operated valve D Connection;
Pneumatic operated valve A4 and pneumatic operated valve B4, one end are connected with the pneumatic operated valve D simultaneously, the other end respectively with the adsorption tower A Connected with the adsorption tower B;
Pneumatic operated valve A5 and pneumatic operated valve B5, one end are connected with the by-passing valve E simultaneously, the other end respectively with the adsorption tower A Connected with the adsorption tower B;
Pneumatic operated valve A6 and pneumatic operated valve B6, one end are connected with the adsorption tower A and the adsorption tower B respectively;
Pneumatic operated valve A1 and pneumatic operated valve B1, one end are connected with the adsorption tower A and the adsorption tower B respectively;
The cooler F2 of interconnection and steam-water separator J2, the cooler F2 other end simultaneously with the pneumatic operated valve The A6 and pneumatic operated valve B6, the steam-water separator J2 other ends are connected with the pneumatic operated valve A1 and the pneumatic operated valve B1 simultaneously;
Pneumatic operated valve A2 and pneumatic operated valve B2, one end are connected with the adsorption tower A and the adsorption tower B respectively, the other end and powder Dirt filter H entrance points connect, and the dust filter unit H ports of export connect pipe network;
Pneumatic operated valve A3 and pneumatic operated valve B3, one end are connected with the adsorption tower A and the adsorption tower B respectively;
Manual modulation valve C1, pneumatic operated valve C2, electric heater I, the flow measuring probe M being sequentially connected with, wherein, it is described to adjust manually Section valve C1 be connected with the dust filter unit H ports of export, the flow measuring probe M at the same with the pneumatic operated valve A3 and pneumatic operated valve B3 Connection;
Gas distributor L, manually regulating valve C3 be connected with the port of export of the dust filter unit H, and simultaneously with gas Dynamic valve A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C2, D connect with by-passing valve E.
Preferably, the drier also includes the electronic automatic drainer K1 being connected with the steam-water separator J1.
Preferably, it is additionally provided with electronic automatic drainer K3 between the pneumatic operated valve A1 and the adsorption tower A.
Preferably, it is additionally provided with electronic automatic drainer K4 between the pneumatic operated valve B1 and the adsorption tower B.
Preferably, the drier also includes the electronic automatic drainer K2 being connected with the steam-water separator J2.
Preferably, temperature survey is provided with the connecting line between the pneumatic operated valve A4, pneumatic operated valve B4 and the pneumatic operated valve D Measuring device TI1.
Preferably, temperature is provided with the pipeline connected between the pneumatic operated valve A5, pneumatic operated valve B5 and the cooler F1 Measuring appliance TI2 and pressometer PI2, temperature meter TI3, the suction are provided between the pneumatic operated valve A1 and adsorption tower A Be provided with pipeline between attached tower A and pneumatic operated valve A2 temperature meter TI4 and pressometer PI4, the pneumatic operated valve B1 and Temperature meter TI5 is provided between adsorption tower B, temperature survey is provided with the pipeline between the adsorption tower B and pneumatic operated valve B2 Measuring device TI6 and pressometer PI6, set on the connecting line between the pneumatic operated valve A6, pneumatic operated valve B6 and the cooler F2 It is equipped with temperature meter TI7 and pressometer PI7, the adsorption tower A and is provided with temperature meter TI8 and pressometer Temperature meter TI9 and pressometer PI9 are provided with PI8, the adsorption tower B.
The application also provides a kind of Waste Heat Reuse regenerative drying method, applied to described Waste Heat Reuse regenerative dryer In, the drying means includes:
Pneumatic operated valve D, A4, A5, B1, B2 are opened, other valves are closed, the adsorption tower A heating;Heat time For 1.5-2.5 hours;
Judge whether be less than 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, then first turning on bypass Valve E, is then shut off pneumatic operated valve A4, A5, open pneumatic operated valve C2, A3, A6, and manually regulating valve C1 controls flow M, starts institute State electric heater I to be heated, heat -75 minutes 45 minutes;
Electric heater I power-off is controlled, and carries out cold blowing, the cold blowing time is 30-50 minutes;
Press 5~10 minutes, close pneumatic operated valve A6.
10th, drying means as claimed in claim 9, it is characterised in that the drying means also includes:
Use is switched, is heated using adsorption tower B;
Pneumatic operated valve B4, B6, A1, A2 are opened, closes pneumatic operated valve A4, A5, A6, B1, B2, by-passing valve E, the adsorption tower B adds Heat, heat time are 1.5-2.5 hours;
Judge whether low 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, then first turning on by-passing valve E, close pneumatic operated valve B4, B5;Open pneumatic operated valve C2, B3, B6, manually regulating valve C1 controls flow M, start the electricity plus Hot device I is heated, and is heated -75 minutes 45 minutes;
Electric heater I power-off is controlled, and carries out cold blowing, the cold blowing time is 30-50 minutes;
Press 5~10 minutes, close pneumatic operated valve B6.
The application has the beneficial effect that:
The application carries out heat recovery by setting cooler, to the gas for entering another adsorption tower, is finally distributed to User, so as to avoid discharging energy consumption, the energy is made full use of, solves and is given up in the prior art using heatless regeneration drying machine machine During hot recycling, the energy consumption of discharge causes the technical problem of the waste of mass energy up to 15%.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some Embodiment.
Fig. 1 is a kind of structural representation of Waste Heat Reuse regenerative dryer of the application better embodiment;
Fig. 2 is the Waste Heat Reuse regenerative drying method in Fig. 1.
Embodiment
The embodiment of the present application is solved and adopted in the prior art by providing a kind of Waste Heat Reuse regenerative dryer and its method When being regenerated with heatless regeneration drying machine machine, the energy consumption of discharge causes the technical problem of the waste of mass energy up to 15%.
Technical scheme in the embodiment of the present application is above-mentioned technical problem, and general thought is as follows:
By setting cooler, heat recovery is carried out to the gas for entering another adsorption tower, is finally distributed to user, from And avoid discharging energy consumption, the energy is made full use of, solves and used heat regeneration is carried out using heatless regeneration drying machine machine in the prior art When, the energy consumption of discharge causes the technical problem of the waste of mass energy up to 15%.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper Technical scheme is stated to be described in detail.
During in order to solve to be regenerated using heatless regeneration drying machine machine in the prior art, the energy consumption of discharge Up to 15%, the technical problem of the waste of mass energy is caused, the application provides a kind of Waste Heat Reuse regenerative dryer and its method.
As shown in figure 1, the Waste Heat Reuse regenerative dryer includes:
Pneumatic operated valve D, it is arranged on high-temperature gas entrance;
By-passing valve E, pneumatic operated valve A4 and the pneumatic operated valve B4 being connected simultaneously with pneumatic operated valve D one end;The pneumatic operated valve A4 other end connects Meet adsorption tower A;Pneumatic operated valve B4 other end connection adsorption tower B;
Cooler F1, it is connected with the other end of the by-passing valve E;
Steam-water separator J1, it is connected with the other end of the cooler F1;The drier also includes and the carbonated drink point From the electronic automatic drainer K1 of device J1 connections.
The pneumatic operated valve A1 and pneumatic operated valve B1 being connected simultaneously with the steam-water separator J1 other end, pneumatic operated valve A1 and pneumatic operated valve B1 The other end be connected respectively with adsorption tower A and adsorption tower B.Wherein, it is additionally provided between the pneumatic operated valve A1 and the adsorption tower A Electronic automatic drainer K3, electronic automatic drainer K4 is additionally provided between the pneumatic operated valve B1 and the adsorption tower B.Electronics is certainly Dynamic water trap is the interval time that discharge water is controlled by magnetic valve;
Simultaneously with the by-passing valve E pneumatic operated valve A5 being connected and pneumatic operated valve B5, the pneumatic operated valve A5's and pneumatic operated valve B5 is another One end is connected with adsorption tower A and adsorption tower B respectively;
Respectively with adsorption tower A and adsorption tower B the pneumatic operated valve A6 being connected and pneumatic operated valve B6;
Cooler F2, one end are connected with the pneumatic operated valve A6 and pneumatic operated valve B6 other end;
Steam-water separator J2, one end are connected with the other end of the cooler F2, and the other end is simultaneously gentle with pneumatic operated valve A1 Dynamic valve B1 connections;The drier also includes the electronic automatic drainer K2 being connected with the steam-water separator J2.
Respectively with adsorption tower A and adsorption tower B the pneumatic operated valve A2 being connected and pneumatic operated valve B2;
Dust filter unit H, entrance point simultaneously with pneumatic operated valve A2 and pneumatic operated valve B2, by the gas of the dust filter unit H Gas pipeline network can be directly over to user.
Manual modulation valve C1, one end are connected with the port of export of the dust filter unit H;
Pneumatic operated valve C2, it is connected with the other end of the manual modulation valve C1;
Electric heater I, it is connected with the pneumatic operated valve C2;
Flow measuring probe M, with the electric heater I;
Respectively with adsorption tower A and adsorption tower B the pneumatic operated valve A3 being connected and pneumatic operated valve B3, the other end simultaneously and flow measuring probe M connections.
Gas distributor L, manually regulating valve C3 be connected with the port of export of the dust filter unit H, and simultaneously with Pneumatic operated valve A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C2, D connect connection with by-passing valve E, for providing each gas The driving origin of dynamic valve.
Temperature meter TI1 is provided with connecting line between the pneumatic operated valve A4, pneumatic operated valve B4 and the pneumatic operated valve D With pressometer PI1.Temperature is provided with the pipeline connected between the pneumatic operated valve A5, pneumatic operated valve B5 and the cooler F1 Measuring appliance TI2 and pressometer PI2.Temperature meter TI3 is provided between the pneumatic operated valve A1 and adsorption tower A.The suction Temperature meter TI4 and pressometer PI4 are provided with pipeline between attached tower A and pneumatic operated valve A2.The pneumatic operated valve B1 and Temperature meter TI5 is provided between adsorption tower B.Temperature survey is provided with pipeline between the adsorption tower B and pneumatic operated valve B2 Measuring device TI6 and pressometer PI6.Set on connecting line between the pneumatic operated valve A6, pneumatic operated valve B6 and the cooler F2 It is equipped with temperature meter TI7 and pressometer PI7.Temperature meter TI8 and pressometer are provided with the adsorption tower A PI8.Temperature meter TI9 and pressometer PI9 are provided with the adsorption tower B.
Described cooler F1, F2 is the temperature that high-temperature gas is reduced by cooling water wall-type heat exchange.
Described steam-water separator J1, J2 is used to separate gas and moisture.
Filling adsorbent is used for adsorbing the moisture content in air in described adsorption tower A, B, two groups of adsorption towers, one group of use, another One group of regeneration, to ensure the continuity of process.
Described electric heater I is the temperature that gas is improved by resistance heat tracing.
Described gas distributor L is that exit filtration drying air is used for valve driving source of the gas, passes through gas distributor To branch to each pneumatic operated valve.
Described electronic automatic drainer K1, K2, K3, K4 is the interval time that discharge water is controlled by magnetic valve.
Described dust filter unit H is used to filter the granule foreigns such as adsorbent dust.
Described temperature meter TI1, TI2, TI3, TI4, TI5, TI6, TI7, TI8, TI9 is used for measurement temperature.
Described pressometer PI1, PI2, PI5, PI6, PI7, PI8, PI9 is with then measuring pressure.
Described flow measurement M is used for the flow for measuring the thermal regeneration by electric heater I.
Described PLC is control drier operation program, fault alarm, display and working condition.
The Waste Heat Reuse regenerative dryer of the application is introduced from pipeline below:
High-temperature gas inlet pipeline 1 includes:Whole process heating pipe 1-1 and by-pass line 1-2;That is whole process heating pipe The 1-1 other ends are connected with whole process heating inlet pipeline 2;The by-pass line 1-2 other ends are sequentially connected with by-passing valve E, cooler F1, vapour liquid separator J1, gas-liquid separator outlet conduit 8.
Pneumatic operated valve A4 and pneumatic operated valve B4, one end connection whole process heating pipe are provided with whole process heating inlet pipeline 2 1-1, the other end connection adsorption tower A and B outlet conduit.
Pneumatic operated valve A3, B3 are connected on electric heater outlet heating pipe 3;Pneumatic operated valve A3, B3 one end connection adsorption tower A, B Outlet conduit, the other end are sequentially connected with flow measuring probe M, electric heater I, pneumatic operated valve C2, manual modulation valve C1.
Adsorption column outlet pipeline 4 connects pneumatic operated valve A2, B2;Pneumatic operated valve A2, B2 one end are connected with adsorption tower A, B respectively; The other end is connected with dust filter unit H.
Pneumatic operated valve A5, B5 are connected on whole process heating exit pipeline 5;Pneumatic operated valve A5 one end is connected with adsorption tower A;Pneumatically Valve B5 one end is connected with adsorption tower B;Pneumatic operated valve A5, B5 other end are connected with cooler F1 inlet pipelines.
Electric heater, which is blown down, connects pneumatic operated valve A6, B6 on heating pipe 6;Pneumatic operated valve A6 one end is connected with adsorption tower A;Gas Dynamic valve B6 one end is connected with adsorption tower B;Pneumatic operated valve A6, B6 other end are connected with cooler F2 inlet pipelines.
Pneumatic operated valve A1, B2 are connected on adsorption tower inlet pipeline 7;Pneumatic operated valve A1, B1 one end and gas-liquid separator outlet conduit 8 Connection, pneumatic operated valve A1, B1 other end are connected to electronic automatic drainer K3, K4;
The connection of the one end of gas-liquid separator outlet conduit 8 is sequentially connected with steam-water separator J1, cooler F1;The other end connects vapour Separator J2, cooler F2;Electronic automatic drainer K1, K2 connection are connected with steam-water separator J1, J2;
Manual modulation valve C1, pneumatic operated valve C2, electric heater I, flow have been sequentially connected with electric heater import heating pipe 9 Count M.
Manual modulation valve C3, gas distributor L are connected with valve driving gas source pipe 10.
Above-mentioned Waste Heat Reuse regenerative drying method is described in detail below:Wherein, the step of drier operation program Controlled by PLC.
First used with adsorption tower B, A regeneration (adsorption tower B is used, adsorption tower A heating) illustrates.
Step 110, pneumatic operated valve D, A4, A5, B1, B2 are opened, other valves are closed, and the adsorption tower B is used, Adsorption tower A is heated, and the heat time is 1.5-2.5 hours.Preferably, the heat time is 2 hours.
Specifically, pneumatic operated valve D is opened, and high-temperature gas enters from entrance, and entering adsorption tower by pneumatic operated valve A4 carries out height Temperature heating parsing, is then cooled by pneumatic operated valve A5 into cooler F1, then by steam-water separation J1 by gas and moisture Gas enters adsorption tower B absorption moisture content etc. by pneumatic operated valve B1 after separation, after cooling, then enters dust by pneumatic operated valve B2 Filter H Chalk-dust filterings, finally enter gas pipeline network to user;
Step 120, judge whether be less than 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, then first By-passing valve E is opened, is then shut off pneumatic operated valve A4, A5;Pneumatic operated valve C2, A3, A6 are opened, manually regulating valve C1 controls flow M, other valves keep the original state of valve, start the electric heater I and heated, heating -75 minutes 45 minutes, specifically Heat time can determine according to running situation;Preferably, heat 1 hour.
Specifically, when the temperature of the high-temperature gas by the pneumatic operated valve D is less than 110 DEG C, electric heater I is started, it is right Adsorption tower A carries out supplementary heating (being to connect a kind of auxiliary heating process after the completion of the whole process heat time), and specific execution is as follows:
After high-temperature gas enters, after pneumatic operated valve D, by-passing valve E, cooled down into cooler F1, after cooling Gas-liquid separation is carried out into vapour liquid separator J1, the gas after separation is adsorbed by pneumatic operated valve B1 into adsorption tower B, is adsorbed Filtered afterwards by pneumatic operated valve B2 into dust filter unit H;
Manual modulation valve C1 is opened, the gas after being filtered by dust filter unit H is by pneumatic operated valve C2, into electric heater I is heated, and is then sequentially passed through flowmeter M, pneumatic operated valve A3 and is carried out thermal regeneration into adsorption tower A, then passes through pneumatic operated valve A6 again Cooled down into cooler F2, enter back into vapour liquid separator J2 and carry out gas-liquid separation, adsorption tower B is entered by pneumatic operated valve B1 after separation Absorption, enters dust filter unit H Chalk-dust filterings by pneumatic operated valve B2 after absorption, finally enters gas pipeline network to user.
Step 130, electric heater I power-off is controlled, and carries out cold blowing, the cold blowing time is 30-50 minutes.Preferably, cold blowing Time is 40 minutes, and the specific cold blowing time can determine according to running situation.
Specifically, electric heater I is powered off, after high-temperature gas is sequentially through pneumatic operated valve D, by-passing valve E, into cooler F1 Cooled down, vapour liquid separator J1 is entered after cooling and carries out gas-liquid separation, the gas after separation is entered by pneumatic operated valve B1 to be adsorbed Tower B is adsorbed, and is filtered after absorption by pneumatic operated valve B2 into dust filter unit H;
Adsorption tower A cold blowings:For gas by unlatching manual modulation valve C1, the gas after being filtered by dust filter unit H passes through gas Dynamic valve C3, sequentially passes through electric heater I, flowmeter M, pneumatic operated valve A3 and carries out heating absorption into adsorption tower B, then pass through gas again Dynamic valve A6 cools down into cooler F2, enters back into vapour liquid separator J2 and carries out gas-liquid separation, is entered after separation by pneumatic operated valve B1 Adsorption tower B is adsorbed, and is entered dust filter unit H Chalk-dust filterings by pneumatic operated valve B2 after absorption, is finally entered gas pipeline network to user.
Step 140, press 5~10 minutes, close pneumatic operated valve B6, gas is slowly boosted by pneumatic operated valve C3, I, A3.
Switch below to A is used, B regenerates, and slowly opens pneumatic operated valve A2, A1, other valves maintain the original state.
Step 150,5min is switched, is heated using adsorption tower B, slowly opens pneumatic operated valve A2, A1;Pneumatic operated valve B1, B2 are closed Close;Close C3;Close by-passing valve E;Other valves maintain the original state.
Step 160, pneumatic operated valve B4, B5, A1, A2 are opened, other valves are closed, and the adsorption tower B heating, are added The hot time is 1.5-2.5 hours.Preferably, the heat time is 2 hours.
Specifically, high-temperature gas enters from entrance, sequentially passes through pneumatic operated valve D, pneumatic operated valve B4 and carries out height into adsorption tower Warm resolving, by pneumatic operated valve B5 into cooler F2 cool down, then by steam-water separation J2 by gas and moisture separation after, gas Body enters adsorption tower B by pneumatic operated valve B1, enters dust filter unit H Chalk-dust filterings by pneumatic operated valve B2 again after heating absorption, most Enter gas pipeline network afterwards to user;
Step 170, judge whether be less than 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, then opening By-passing valve E, close pneumatic operated valve B4, B5;Pneumatic operated valve C2, B3, B6, other valves maintain the original state.Manually regulating valve C1 comes Flow M is controlled, starts the electric heater I and is heated, is heated -75 minutes 45 minutes.Preferably, the heat time is 1 hour, The specific heat time can determine according to running situation.
Specifically, when the temperature of the high-temperature gas by the pneumatic operated valve D is less than 110 DEG C, electric heater I is started, it is right Adsorption tower B carries out supplementary heating, and specific execution is as follows:
After high-temperature gas enters, after pneumatic operated valve D, by-passing valve E, cooled down into cooler F1, after cooling Gas-liquid separation is carried out into vapour liquid separator J1, the gas after separation is adsorbed by pneumatic operated valve A1 into adsorption tower A, is adsorbed Filtered afterwards by pneumatic operated valve A2 into dust filter unit H;
Supplementary heating is carried out to adsorption tower B:Manual modulation valve C1 is opened, the gas after being filtered by dust filter unit H leads to Pneumatic operated valve C2 is crossed, is heated into electric heater I, is then sequentially passed through flowmeter M, pneumatic operated valve B3 and heated into adsorption tower B Parsing, then cooled down again by pneumatic operated valve B6 into cooler F2, enter back into vapour liquid separator J2 and carry out gas-liquid separation, after separation Adsorbed by pneumatic operated valve A1 into adsorption tower A, dust filter unit H Chalk-dust filterings are entered by pneumatic operated valve A2 after absorption, it is most laggard Enter gas pipeline network to user.
Step 180, electric heater I power-off is controlled, and carries out cold blowing, cooler F1 and F2 cold blowing, the cold blowing time is 30-50 Minute.Preferably, cold blowing 40 minutes.
Specifically, electric heater I power-off is controlled, after high-temperature gas enters, after pneumatic operated valve D, by-passing valve E, is entered Enter cooler F1 to be cooled down, vapour liquid separator J1 is entered after cooling and carries out gas-liquid separation, the gas after separation passes through pneumatic operated valve A1 is adsorbed into adsorption tower A, is filtered after absorption by pneumatic operated valve A2 into dust filter unit H;
Adsorption tower B cold blowings:Gas passes through manual modulation valve C1, and the gas after being filtered by dust filter unit H passes through pneumatic Valve C2, sequentially pass through electric heater I, flowmeter M, pneumatic operated valve A3 and carry out heating absorption into adsorption tower A, then again by pneumatic Valve A6 cools down into cooler F2, enters back into vapour liquid separator J2 and carries out gas-liquid separation, is entered after separation by pneumatic operated valve B1 and inhaled Attached tower B absorption, enters dust filter unit H Chalk-dust filterings by pneumatic operated valve B2 after absorption, finally enters gas pipeline network to user.
Step 190, press 5~10 minutes, close pneumatic operated valve B6.
To be continuing with adsorption tower A heating, then:
Step 200, switch 5 minutes, pneumatic operated valve B2, B1 are slowly opened, and are switched to B is used, A regenerates, pneumatic operated valve A1, A2 are closed Close, circulation performs the action of step 110- steps 200.
The drier, which breaks down, sends sound and light alarm, and program stopped operation keeps all valve states constant, Until it will be operated after handling failure eliminates alarm, the step of when program will then stop.
The application puts damage recovery by carrying out heat and gas to compressor high-temperature gas, and reduces the loss prevention of gas Amount, so as to avoid discharging energy consumption, the energy is made full use of, solves and is regenerated in the prior art using heatless regeneration drying machine When, the gas consumption of discharge causes the technical problem of the waste of mass energy up to 15%.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising including these changes and modification.

Claims (10)

1. a kind of Waste Heat Reuse regenerative dryer, it is characterised in that the Waste Heat Reuse regenerative dryer includes:
Pneumatic operated valve D, it is arranged on high-temperature gas entrance;
Adsorption tower A and adsorption tower B
By-passing valve E, cooler F1, the steam-water separator J1 being sequentially connected with, wherein, the by-passing valve E and pneumatic operated valve D connects Connect;
Pneumatic operated valve A4 and pneumatic operated valve B4, one end are connected with the pneumatic operated valve D simultaneously, the other end respectively with the adsorption tower A and institute State adsorption tower B connections;
Pneumatic operated valve A5 and pneumatic operated valve B5, one end are connected with the by-passing valve E simultaneously, the other end respectively with the adsorption tower A and institute State adsorption tower B connections;
Pneumatic operated valve A6 and pneumatic operated valve B6, one end are connected with the adsorption tower A and the adsorption tower B respectively;
Pneumatic operated valve A1 and pneumatic operated valve B1, one end are connected with the adsorption tower A and the adsorption tower B respectively;
The cooler F2 of interconnection and steam-water separator J2, the cooler F2 other end simultaneously with the pneumatic operated valve A6 and The pneumatic operated valve B6, the steam-water separator J2 other ends are connected with the pneumatic operated valve A1 and the pneumatic operated valve B1 simultaneously;
Pneumatic operated valve A2 and pneumatic operated valve B2, one end are connected with the adsorption tower A and the adsorption tower B respectively, the other end and dust mistake Filter H entrance points connect, and the dust filter unit H ports of export connect pipe network;
Pneumatic operated valve A3 and pneumatic operated valve B3, one end are connected with the adsorption tower A and the adsorption tower B respectively;
Manual modulation valve C1, pneumatic operated valve C2, electric heater I, the flow measuring probe M being sequentially connected with, wherein, the manual modulation valve C1 is connected with the dust filter unit H ports of export, and the flow measuring probe M connects with the pneumatic operated valve A3 and pneumatic operated valve B3 simultaneously Connect.
2. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the drier also includes and the vapour The electronic automatic drainer K1 of separator J1 connections.
3. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the pneumatic operated valve A1 and the adsorption tower Electronic automatic drainer K3 is additionally provided between A.
4. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the pneumatic operated valve B1 and the adsorption tower Electronic automatic drainer K4 is additionally provided between B.
5. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the drier also includes and the vapour The electronic automatic drainer K2 of separator J2 connections.
6. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the pneumatic operated valve A4, pneumatic operated valve B4 and Temperature meter TI1 is provided with connecting line between the pneumatic operated valve D.
7. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the pneumatic operated valve A5, pneumatic operated valve B5 with Be provided with the pipeline connected between the cooler F1 temperature meter TI2 and pressometer PI2, the pneumatic operated valve A1 and Temperature meter TI3 is provided between adsorption tower A, temperature survey is provided with the pipeline between the adsorption tower A and pneumatic operated valve A2 Measuring device TI4 and pressometer PI4, temperature meter TI5, the absorption are provided between the pneumatic operated valve B1 and adsorption tower B Temperature meter TI6 and pressometer PI6, the pneumatic operated valve A6, pneumatic are provided with pipeline between tower B and pneumatic operated valve B2 Temperature meter TI7 and pressometer PI7, the absorption are provided with connecting line between valve B6 and the cooler F2 It is provided with tower A on temperature meter TI8 and pressometer PI8, the adsorption tower B and is provided with temperature meter TI9 and pressure Force measurement device PI9.
8. Waste Heat Reuse regenerative dryer as claimed in claim 1, it is characterised in that the Waste Heat Reuse regenerative dryer is also Including gas distributor L, manually regulating valve C3 is connected with the port of export of the dust filter unit H, and simultaneously and pneumatic operated valve A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6, C2, D connect with by-passing valve E.
A kind of 9. Waste Heat Reuse regenerative drying method, applied to the Waste Heat Reuse described in any one of claim 1-8 claim In regenerative dryer, the drying means includes:
Pneumatic operated valve D, A4, A5, B1, B2 are opened, other valves are closed, the adsorption tower A heating;Heat time is 1.5-2.5 hour;
Judge whether be less than 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, by-passing valve E is then first turned on, It is then shut off pneumatic operated valve A4, A5, opens pneumatic operated valve C2, A3, A6, manually regulating valve C1 controls flow M, starts the electricity Heater I is heated, and is heated -75 minutes 45 minutes;
Electric heater I power-off is controlled, and carries out cold blowing, the cold blowing time is 30-50 minutes;
Press 5~10 minutes, close pneumatic operated valve A6.
10. drying means as claimed in claim 9, it is characterised in that the drying means also includes:
Use is switched, is heated using adsorption tower B;
Pneumatic operated valve B4, B6, A1, A2 are opened, pneumatic operated valve A4, A5, A6, B1, B2, by-passing valve E is closed, the adsorption tower B heating, adds The hot time is 1.5-2.5 hours;
Judge whether low 110 DEG C by the temperature of the high-temperature gas of the pneumatic operated valve D, if so, then first turning on by-passing valve E, close Close pneumatic operated valve B4, B5;Pneumatic operated valve C2, B3, B6 are opened, manually regulating valve C1 controls flow M, starts the electric heater I is heated, and is heated -75 minutes 45 minutes;
Electric heater I power-off is controlled, and carries out cold blowing, the cold blowing time is 30-50 minutes;
Press 5~10 minutes, close pneumatic operated valve B6.
CN201710805167.9A 2017-09-08 2017-09-08 A kind of Waste Heat Reuse regenerative dryer and its method Pending CN107670472A (en)

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