CN202087198U - On-line regenerating device for modified zeolite concentration rotating wheel - Google Patents
On-line regenerating device for modified zeolite concentration rotating wheel Download PDFInfo
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- CN202087198U CN202087198U CN2011201078931U CN201120107893U CN202087198U CN 202087198 U CN202087198 U CN 202087198U CN 2011201078931 U CN2011201078931 U CN 2011201078931U CN 201120107893 U CN201120107893 U CN 201120107893U CN 202087198 U CN202087198 U CN 202087198U
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a rotating wheel high-temperature activating regenerating device and a regenerating method, wherein the regenerating device comprises a rotating wheel, a drive assembly, a heat source and a switching valve bank. The regenerating air flow-in direction of the rotating wheel is changed by the switching valve bank, and the front surface and the rear surface of the rotating wheel are uniformly heated so as to regenerate and activate, thereby improving the activating efficiency and prolonging the service life of the rotating wheel.
Description
Technical field
This novel a kind of runner high-temperature activation regenerating unit and renovation process thereof of relating to relates in particular to a kind of improved regenerating unit and renovation process thereof of handling the concentration runner on-line high-temperature activation of volatile organic waste gas.
Background technology
Recently, international for environmental protection subject under discussion and industry security health pay attention to day by day, to such an extent as to consider the harm of industrial waste gas to environment and the general popular health generation of labourer, strict day by day for the industrial gas emission standard, rules are all made the discharge standard of concentration and stink both at home and abroad.For the processing of VOC, the condensation methods that adopt are collected more when high concentration in the industrial waste gas, when low concentration and big air quantity then with the physical adsorption way concentration after, be sent to small-sized incinerator burning again or reclaim comparatively economical and effective with condensing unit.The organic exhaust gas composition that produces with semiconductor liquid crystal circle factory is an example, often contain just like DMDS alcohol (Dimethyl Sulfoxide), N-N-methyl 2-pyrrolidone N-(N-Methyl Pyrolidone), ethanol ammonium (2-Aminoethanol), DMDS alcohol (Dithiolethylene Glycol), dimethyl mercaptan (Dimethyl Sulfide), isopropyl alcohol (Isopropyl Alcohol), acetone compounds such as (Acetone), behind the concentrated waste gas of zeolite runner absorption, with the temperature combustion of incinerator more than 600～900 degree Celsius, it is the most effective to decompose these volatile organic matters and foul smell and poison gas again.Concentrate the mode that the processing of zeolite runner adds the burning incineration to adsorb at present, carry out the toxic emission of VOC and handle, widely adopt at semiconductor and photoelectricity industry.
Industrially often concentrate zeolite runner incineration system and handle volatile organic waste gas to adsorb, its treatment effeciency can be stablized to reach and meets volatile organic waste gas (volatile organic compounds, VOCs) discharge standard.Yet, the handling problem that absorption concentrates zeolite runner maximum be contain in the waste gas volume high boiling substance, polymeric material, desorption thermal energy deficiency effectively desorption go out or waste gas in other particulate contaminant of mixing, the overall treatment efficiency that is caused decline.Material and the semiconductor of photoelectricity industry processing procedure and use are close, but on the use amount that contains the agent of higher boiling VOCs removing photoresistance far above the semiconductor industry, so make that the higher boiling VOCs on its discharging waste gas composition is more; In this class high boiling substance, the person is in the great majority also to be the polymer simultaneously simultaneously.Though this class higher boiling VOCs is adsorbed on the zeolite runner easily, but because the security consideration of system's design, make desorption higher boiling VOCs temperature deficiency, so often cause desorption to be difficult for, day long afterwards higher boiling VOCs will accumulate on it, occupy absorption position, influence entire system usefulness, thus become the portions of light electric industry use zeolite adsorption concentrate incineration system usefulness unclear because of; And also had producer to desire with the raising desorption temperature, to increase high boiling substance desorption efficient in the past, but this operation measure causes system to jump machine easily, forms the air-tight state that does not have ventilation, if no emergent management program is as sprinkling water, spray into cool nitrogen etc., will cause combination place of zeolite adsorption runner to produce sultry state, can make its local temperature jump, allow the zeolite runner produce structural permanent destruction unusually when serious.
For prevent the zeolite runner be subjected to higher boiling and (or) polymer VOCs accumulates, and occupies zeolite runner activated adoption position and causes problems such as system effectiveness is clear, the zeolite runner can solve the problems referred to above by high-temperature activation.
The activating and regenerating mode of industrial general employing at present can be divided into two kinds of online activating and regenerating or the outer activating and regeneratings of line, the outer activating and regenerating of line is for example described in the patents such as United States Patent (USP) case 4957721, day disclosure special permission 62-282639 and 63-156542, it will use the zeolite runner of a period of time to disassemble, directly heat with higher temperature (being generally 300～1000 ℃) again or the high-temperature gas processing, make the high boiling substance of accumulating become little molecule, and be carbonized or remove because of the temperature action scission of link that is subjected to a certain degree.Yet the disassembly procedure of zeolite runner is numerous and diverse, remove though the high boiling substance accumulated effectively can be decomposed, and zeolite runner unloading process causes rotaring wheel structure to damage easily and the adsorbent pore space structure destroys, and loses and lose adsorption capacity or pulverize because of deterioration.
The online activating and regenerating for example day clear 63-232823 of the disclosure, 63-310636, BP case Brit.1546437 and Deutsche Bundespatent case Ger.Offen 2419827 etc. is described, but its advantage is continued operation, avoid numerous and diverse disassembly procedure, but the activating and regenerating of this on-line continuous rotating wheel often can't effectively remove the former high boiling substance of accumulating, and influences adsorption capacity.
And the novel patent announcement I323183 in Taiwan " handling the regenerating unit and the method for the concentration runner on-line high-temperature activation of volatile organic waste gas " provides a kind of effective runner on-line high-temperature activation regenerating unit and method; Yet, in this device and method, though can effectively carry out the online high-temperature activation of runner, but because runner has certain thickness, when carrying out online high-temperature activation, because this runner thickness factor, make and flow through high-temperature gas temperature reduces behind the runner, make runner preceding, the activation results difference on back two sides also because regular regeneration, makes runner on the contrary, the difference in service life on back two sides, and after using certain regeneration times, though the runner of contact high temperature face still can use, opposite face then can't be regenerated, thereby has reduced the service life of this runner.
Therefore, this novel regenerating unit and renovation process thereof that a kind of improved runner high-temperature activation is provided, the heated air that enters this rotary wheel regeneration adsorption zone by regulation and control is gone into flow path direction and air-flow ratio, make the runner of this rotary wheel regeneration adsorption zone all be able to same high temperature and carry out desorption and regeneration and activation on forward and backward two sides, can effectively increase regeneration and the efficient that activates, also because the regeneration effect on forward and backward two sides is identical, can be because of the back effect of this runner low and impairment service life, reach and prolong the effect that this runner is reused the life-span.
Summary of the invention
In order to improve the problem that above-mentioned prior art faces, this novel online regenerating unit and renovation process that a kind of zeolite runner is provided, this novel device and method is activating and regenerating zeolite runner effectively, promotes the service life that absorption concentrates zeolite runner treatment effeciency and prolongs this zeolite runner.
Detailed it, this novel purpose is for a kind of online regenerating unit of zeolite runner is provided, it comprises:
Runner comprises an adsorption zone and a regeneration desorption district at least, and in order to the purifying volatile organic exhaust gas;
Driven unit, be used to control this runner in due course interbody spacer rotate with stepping or continuation mode;
Thermal source is used for heated air to the activating and regenerating temperature; And
The transfer valve group in order to switch through heating the direction that this gas enters the regeneration desorption district of this concentration runner, makes the even heating in regeneration desorption district of this concentration runner finish regeneration to replace into flow path direction.
This novel purpose again is for providing a kind of online renovation process of zeolite runner, and it is used for above-mentioned online regenerating unit, and it comprises the following step:
(1) utilize this driven unit control this runner in due course interbody spacer rotate with stepping or continuation mode, make the runner that will regenerate enter regeneration desorption district, and stop the regeneration time in this regeneration desorption district.
(2) utilize this transfer valve group to switch, make the runner in this regeneration desorption district carry out the uniform online high temperature regeneration in front and back through heating the flow path direction of going into that this gas enters this regeneration desorption district;
Repeat above-mentioned steps (1) and step (2), the temperature uniformity is finished regeneration before and after runner integral body.
This novel online regenerating unit that another kind of zeolite runner is provided simultaneously, it is further to comprise regeneration desorption preheating zone in the regeneration desorption district of above-mentioned online regenerating unit, utilize the control of this transfer valve group, will carry out high temperature regeneration at regeneration desorption district and regeneration desorption preheating zone respectively in the forward and backward two kinds modes that become a mandarin through heating this gas simultaneously.
This another novel purpose is for a kind of online renovation process of zeolite runner is provided, and it is used for above-mentioned online regenerating unit, and it comprises the following step:
(1) utilizing this driven unit to control this runner rotates with stepping or continuation mode at interval at an appropriate time, make the runner that will regenerate enter regeneration desorption district and regeneration desorption preheating zone, and in this regeneration desorption district and the desorption preheating zone of regenerating stop the regeneration time.
(2) utilize this transfer valve group will go into flow path direction with forward and backward two and enter this regeneration desorption district and regeneration desorption preheating zone through heating this gas simultaneously, make this runner carry out simultaneously before and after the online high temperature regeneration on two sides;
Repeat above-mentioned steps (1) and step (2), the temperature uniformity is finished regeneration before and after this runner integral body.
Simultaneously, in above-mentioned online renovation process, the high-temperature activation recovery time of this runner is 10 minutes to 120 minutes; And this stepping or continuous rotation angle at interval are 10 ° to 90 °.
By the online regenerating unit and the renovation process thereof of above-mentioned novel a kind of zeolite runner, can effectively promote the regeneration effect of this runner, and prolong the service life of this runner.
Following experimental design only for explanation, should not limit category of the present utility model, reasonably changes, and such as to those skilled in the art, for reasonably apparent, can carry out not breaking away under this novel category.
Description of drawings
Fig. 1 is a prior art purification of volatile organic waste gas schematic representation of apparatus.
Fig. 2 handles the regenerating unit schematic diagram of the concentration runner on-line high-temperature activation of volatile organic waste gas for prior art.
Fig. 3 handles the renovation process preferred embodiment schematic diagram of the concentration runner on-line high-temperature activation of volatile organic waste gas for prior art.
Fig. 4 is the schematic diagram of online regenerating unit one specific embodiment of this novel mesolite runner.
Fig. 5 is the schematic diagram of online another specific embodiment of regenerating unit of this novel mesolite runner.
Fig. 6 is the online regenerating unit schematic diagram of a specific embodiment again of this novel mesolite runner.
Fig. 7 is the regeneration usefulness comparative result figure of the online high temperature regeneration device of prior art and this novel online regenerating unit regeneration zeolite runner.
[primary clustering symbol description]
11 first blower fans
21 second blower fans
31,32 concentration runners
33 driven units
311,321 adsorption zones
312,322 regeneration desorption districts
323 cooling zones
324 regeneration desorption preheating zones
42 air inlets
61 air blasts
73 first heat exchangers
74 second heat exchangers
81 incinerators
91 first chimneys
92 second chimneys
A1 first valve
A2 second valve
A3 the 3rd valve
A4 the 4th valve specific embodiment
For making abundant this novel purpose, feature and effect of understanding, existing by following specific embodiment, and cooperate appended graphic, to this novel being described in detail, illustrate as after:
Fig. 1 is a prior art purification of volatile organic waste gas schematic representation of apparatus.As shown in the figure, the method of general processing volatile organic waste gas is as described below, after loading said apparatus, volatile organic waste gas is pumped to concentration runner 31 via first blower fan 11, this concentration runner 31 comprises adsorption zone 311 and regeneration desorption district 312, the volatile organic waste gas that is imported into is adsorbed via the adsorbent in the adsorption zone 311 of this concentration runner 31, and the clean gas after absorption imports 91 dischargings of first chimney via second blower fan 21.Simultaneously, the adsorbent of adsorb volatile organic exhaust gas is transported to the regeneration desorption district 312 of this concentration runner 31 via the running of driven unit 33; And air blast 61 is pumped the regeneration desorption district 312 that the air communication that is heated to regeneration temperature through first heat exchanger 73 is crossed this concentration runner 31, at this moment, the volatile organic matter that is adsorbed in the regeneration desorption district 312 be heated and desorption in air-flow, this air-flow is led to 74 preheatings of second heat exchanger again, importing an incinerator 81 again, to burn into water and carbon dioxide be main material, via behind second heat exchanger 74 and first heat exchanger 73, be disposed in the atmosphere again by second chimney 92.
Fig. 2 then is the regenerating unit schematic diagram that Taiwan notification number I323183 " handles the regenerating unit and the method for the concentration runner on-line high-temperature activation of volatile organic waste gas ", as shown in the figure, this device comprises runner 32, driven unit 33 and first heat exchanger 73, and wherein this runner 32 comprises adsorption zone 321, regeneration desorption district 322 and cooling zone 323.
Fig. 3 then is the renovation process preferred embodiment schematic diagram that Taiwan notification number I323183 " handles the regenerating unit and the method for the concentration runner on-line high-temperature activation of volatile organic waste gas ".Referring to Fig. 2 and Fig. 3, again with purification of volatile organic waste gas after system carries out, carry out the high-temperature activation reproducer, open air blast 61, this moment, cleaned air can enter from air inlet 42, deliver to this first heat exchanger 73 behind the cooling zone 323 by this runner 32, this first heat exchanger 73 is heated to the activating and regenerating temperature that sets with cleaned air and is delivered to the activating and regenerating that regeneration desorption district 322 carries out runner, behind the activating and regenerating setting-up time, driven unit 33 can drive runner one set angle, the part that runner 32 has been activated enters cooling zone 323 and cools off, simultaneously in the adsorption zone 321 not the part of activating and regenerating enter regeneration desorption district 322 and carry out activating and regenerating.Therefore, drive runner 32 by driven unit 33 and rotate, make runner 32 rotate a suitable angle at interval at an appropriate time, and stop an appropriate time, can finish the activating and regenerating of runner integral body according to this step-by-step system.
Yet, in the regenerating unit and method of above-mentioned online high-temperature activation, though can effectively carry out the online high-temperature activation of runner, but because runner has certain thickness (20 centimeters to 45 centimeters), when carrying out online high-temperature activation, because this runner thickness factor, make high-temperature gas flow through and make during the runner gas flow temperature reduce, and then make this runner preceding, the activation effect difference on back two sides also because regular regeneration, makes runner on the contrary, the difference in service life on back two sides, and after the regeneration of using certain number of times, though the runner of contact high temperature face still can use, opposite face then can't be regenerated, thereby has reduced the service life of this runner.
Fig. 4 then is the schematic diagram of the online regenerating unit of this novel mesolite runner.As shown in Figure 4, this device comprises runner 32, driven unit 33, first heat exchanger 73 and transfer valve group, wherein this runner 32 comprises adsorption zone 321, regeneration desorption district 322 and cooling zone 323, and this transfer valve group then is made up of the first valve A1, the second valve A2, the 3rd valve A3 and the 4th valve A4.
When this runner of online high temperature regeneration, when the first valve A1 and the second valve A2 open, and the 3rd valve A3 and the 4th valve A4 are when closing, be heated to the gas of activation high temperature through this first heat exchanger 73, via pumping of air blast 61 toward the flow through regeneration desorption district 322 of this runner 32 of these air blast 61 directions, and through behind one section appropriate time, then the first valve A1 and the second valve A2 are closed, and with the 3rd valve A3, the 4th valve A4 opens, at this moment, be heated to the gas of activation high temperature through this first heat exchanger 73, via pumping of this air blast 61 toward with the flow through regeneration desorption district 322 of this runner 32 of these air blast 61 rightabouts, this transfer valve group of blocked operation like this, so that before adsorbent gets in the regeneration desorption district 332 of this runner 32, even high temperature desorption in back two sides or activation, and then finish effective desorption and regeneration.Operation in this way, forward and backward two sides all can be accepted to reach to the high temperature gas flow of design temperature and carry out the activation of online high temperature regeneration, and the forward and backward two sides of this runner is all reached to desorption and regeneration activating with design temperature, can promote the regeneration life-span of this runner simultaneously.
Moreover Fig. 5 is the schematic diagram of online another embodiment of regenerating unit of the improvement of this novel mesolite runner.As shown in Figure 5, this device comprises runner 32, driven unit 33, first heat exchanger 73 and a transfer valve group, wherein this runner 32 comprises adsorption zone 321, regeneration desorption district 322, cooling zone 323 and regeneration desorption preheating zone 324, and this transfer valve group then is made up of the first valve A1 and the second valve A2.
When this runner of online high temperature regeneration, this the first valve A1 and the second valve A2 are opened, at this moment, be heated to gas the pumping of activation high temperature via air blast 61 through first heat exchanger 73, simultaneously flow to regeneration desorption district 322 and regeneration desorption preheating zone 324 respectively via this first valve A1 and the second valve A2, through this runner 32 of driving repeatedly of this driven unit 33, make in this runner 32 adsorbent be able to the even high temperature desorption in forward and backward two sides or activate, and then finish regeneration.In this specific embodiment, by the section difference of this runner, carry out the activating and regenerating on forward and backward two sides simultaneously, can reach the even desorption and regeneration on forward and backward two sides, thereby prolong the service life that repeats to regenerate of this runner.
In addition, refer again to Fig. 6, be the online regenerating unit of zeolite runner of this novel improved schematic diagram of an embodiment again.As shown in Figure 6, this device comprises runner 32, driven unit 33, first heat exchanger 73 and a transfer valve group, wherein this runner 32 comprises an adsorption zone 321, regeneration desorption district 322, cooling zone 323 and regeneration desorption preheating zone 324, and this transfer valve group then is made up of the first valve A1, the second valve A2 and the 3rd valve A3; In this embodiment, flow through among the embodiment with Fig. 5 high temperature gas flow of this regeneration desorption preheating zone 324, by the 3rd valve A3 that sets up import again this first heat exchanger 73 in, can effectively reuse this high temperature gas flow, further save and improve the required power cost of gas flow temperature.
For detecting the activating and regenerating effect of this novel middle regenerating unit and method, carry out the honeycomb zeolite runner high-temperature activation regeneration usefulness experiment of inactivation.The improved online high temperature regeneration device that existing online high temperature regeneration device and this is novel compares, and zeolite runner sample after the two regeneration and new zeolite runner sample comparison is adsorbed the saturated extent of adsorption of isopropyl alcohol (IPA) (at 100ppmv).Use thermobalance with thermogravimetry (Thermogravimetric Analysis; TGA) analysis and use differential thermal analysis device are with derivatography (Differential Thermal Analysis; DTA) analyze, it the results are shown in Fig. 6.
As shown in Figure 7, with 200,300 and 400 ℃ the power of regeneration of activating and regenerating temperature-activated after 1 hour, this regeneration effect in novel is all apparently higher than the effect of conventional online high-temperature activation device, especially when 200～300 ℃ of high-temperature activations, this novel online regenerating unit has the lifting more than 20% nearly for the regeneration usefulness of zeolite compared to existing online high temperature active device, and this novel device also can reach to the activation usefulness more than 60% with 180 ℃ of online high-temperature activations that carried out 1 hour, this result neither the online high-temperature activation device of prior art regenerates and can reach at 200 ℃, therefore this novel regenerating unit and method can reach good activating and regenerating effect and can save the activating and regenerating time, and the effect and the result of better regeneration activating can be provided compared to the online high-temperature activation device of prior art.
Claims (2)
1. the online regenerating unit of a zeolite runner is characterized in that it comprises:
Runner comprises an adsorption zone and a regeneration desorption district at least, and in order to the purifying volatile organic exhaust gas;
Driven unit, be used to control this runner in due course interbody spacer rotate with stepping or continuation mode;
Thermal source is used to heat gas to one an activating and regenerating temperature; And
The transfer valve group enters the side in the regeneration desorption district of this concentration runner in order to switch through heating this gas
To, make the even heating in regeneration desorption district of this concentration runner finish regeneration to replace into flow path direction.
2. online regenerating unit as claimed in claim 1, it is characterized in that, the regeneration desorption district of this runner further comprises regeneration desorption preheating zone, utilize the control of this transfer valve group, will carry out high temperature regeneration at regeneration desorption district and regeneration desorption preheating zone respectively in the forward and backward two kinds modes that become a mandarin through heating this gas simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078931U CN202087198U (en) | 2011-04-12 | 2011-04-12 | On-line regenerating device for modified zeolite concentration rotating wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078931U CN202087198U (en) | 2011-04-12 | 2011-04-12 | On-line regenerating device for modified zeolite concentration rotating wheel |
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| Publication Number | Publication Date |
|---|---|
| CN202087198U true CN202087198U (en) | 2011-12-28 |
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| CN2011201078931U Expired - Lifetime CN202087198U (en) | 2011-04-12 | 2011-04-12 | On-line regenerating device for modified zeolite concentration rotating wheel |
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| TWI490027B (en) * | 2013-10-04 | 2015-07-01 | Jg Environmental Tech Co Ltd | Rotary Suction Absorbing Device and Its Gas Purification Treatment System |
| CN105771639A (en) * | 2016-05-10 | 2016-07-20 | 西部技研环保节能设备（常熟）有限公司 | Low-concentration VOC (volatile organic compound) polluted air purification device using catalyst rotating wheel |
| CN104548866B (en) * | 2013-10-16 | 2016-08-24 | 杰智环境科技股份有限公司 | Revolving ring type adsorption desorption device and gas purification processing system thereof |
| CN108507032A (en) * | 2017-02-28 | 2018-09-07 | 富士通将军股份有限公司 | Absorbing unit and air purifier |
| CN108854442A (en) * | 2017-05-10 | 2018-11-23 | 新盛Eng株式会社 | Volatile organic compounds removes system |
| CN109260893A (en) * | 2018-11-26 | 2019-01-25 | 昆山嘉科环保设备有限公司 | Zeolite runner RTO emission-control equipment |
| CN109453614A (en) * | 2018-12-12 | 2019-03-12 | 江苏楚锐环保科技有限公司 | Zeolite runner Adsorption Concentration device |
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- 2011-04-12 CN CN2011201078931U patent/CN202087198U/en not_active Expired - Lifetime
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