CN201978636U - Energy-saving efficient adsorption and desorption combined system - Google Patents
Energy-saving efficient adsorption and desorption combined system Download PDFInfo
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- CN201978636U CN201978636U CN2011200825398U CN201120082539U CN201978636U CN 201978636 U CN201978636 U CN 201978636U CN 2011200825398 U CN2011200825398 U CN 2011200825398U CN 201120082539 U CN201120082539 U CN 201120082539U CN 201978636 U CN201978636 U CN 201978636U
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Abstract
The utility model relates to an energy-saving efficient adsorption and desorption combined system, which is characterized in that: (1) in an adsorption bed, activated carbon partition plates with hollow structures are communicated with side walls with hollow structures, and hot air inlets and hot air outlets are respectively arranged on the two side walls with the hollow structures; (2) a catalytic electric heater, an air distribution plate and catalyst beds are sequentially arranged in a catalyst bed body of a catalytic combustion bed from top to bottom, and a first air outlet of the catalytic combustion bed is connected with a first air inlet of a mixed flow heat exchanger through a pipeline; a second air outlet of the catalytic combustion bed is connected with the hot air inlet on the side wall with the hollow structure of the adsorption bed through a heating fan of the adsorption bed, and an air outlet of a new air mixed flow fan is connected with a second air inlet of the mixed flow heat exchanger; and an air outlet of a desorption circulating fan is connected with an air inlet of the catalytic combustion bed through a second flame arrester. The system has a simple and reasonable structure, safety and reliability, the energy consumption can be effectively reduced, the purification rate is improved, the desorption process time is shortened, the purification efficiency is improved, and the operating cost is reduced.
Description
Technical field
The utility model belongs to organic pollution cleaning system field, especially a kind of energy-saving and high efficient absorption, desorption combined system.
Background technology
Cleaning system comprises filter, first spark arrester, adsorbent bed, absorption main air blower, catalytic combustion bed, mixed flow heat exchanger, new air flow-mixing blower fan, desorption electric heater and desorption circulating fan in the prior art, filter, spark arrester, adsorbent bed and absorption main air blower connect successively by pipeline, and mixed flow heat exchanger air outlet connects the desorption circulating fan by desorption electric heater and adsorbent bed.Though this existing system can be realized the processing of the volatilizable organic pollution of large-wind-volume low-concentration industry, but there are the following problems: 1, because will be in entering adsorbent bed to adsorbent by the air after the intensification of desorption electric heater, adsorbate and adsorbent bed metal structure heat simultaneously, the adsorbent bed metal structure just consumes partial heat energy like this, thereby prolonged desorption time, reduced desorption efficient, especially northerly winter, heat-energy losses is bigger, desorption time is longer, and the waste heat that catalytic combustion produces is not fully utilized also can increase the weight of thermal pollution to atmospheric environment; 2, the purifying rate of catalytic combustion bed is lower, catalyst is short service life, trace it to its cause for: industrial volatilizable organic pollution is to enter catalytic combustion bed of the prior art from the below, discharge from the top, the catalytic combustion that lower floor takes place produces heat effect to the catalytic bed on upper strata, thereby whole catalytic bed upper area surpasses the operating temperature of its permission easily because of the heat energy savings, and catalyst is lost activity, cause purifying rate to reduce, catalyst shortening in service life; Industrial in addition volatilizable organic pollution catalyticing combustion process free convection direction is bottom-up operation, and during through the catalytic combustion bed, waste gas begins to quicken to rise, and causes reduce the time of contact of waste gas and catalytic combustion bed, causes purifying rate to reduce.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of and can effectively cut down the consumption of energy, improve purifying rate, prolong catalyst service life, shorten the desorption flow process time, improve purification efficiency, reduce energy-saving and high efficient absorption, the desorption combined system of operating cost.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of energy-saving and high efficient absorption, desorption combined system, comprise filter, first spark arrester, adsorbent bed, absorption main air blower, catalytic combustion bed, mixed flow heat exchanger, new air flow-mixing blower fan, desorption electric heater and desorption circulating fan, filter, spark arrester, adsorbent bed and absorption main air blower connect successively by pipeline, mixed flow heat exchanger air outlet connects the desorption circulating fan by desorption electric heater and adsorbent bed, wherein
(1), adsorbent bed comprises the air intake expansion mouth, active-carbon bed body and air-out choke, the two sides that active-carbon bed body is relative connects air intake expansion mouth and air-out choke respectively, on the air intake expansion mouth, be fixed with air distribution plate, multilayer active carbon dividing plate is set in the active-carbon bed body, wherein active-carbon bed body two lateral walls all is set to have the sidewall of hollow structure, the active carbon dividing plate is set to have the active carbon dividing plate of hollow structure, active carbon dividing plate with hollow structure is communicated with the sidewall with hollow structure, has on the two side of hollow structure to be respectively arranged with hot blast import and hot-blast outlet;
(2), the catalytic combustion bed comprises the catalytic bed body, air inlet, air outlet, the catalysis electric heater, air distribution plate and catalytic bed, its catalytic bed body upper end is shaped on air inlet, catalytic bed body lower end is shaped on air outlet, be disposed with the catalysis electric heater in the catalytic bed body from top to bottom, air distribution plate and catalytic bed, the external wall of this catalytic bed installs the pyroceram fibre heat-insulation layer, the catalytic combustion bed is provided with first air outlet, second air outlet and the 3rd air outlet, catalytic combustion bed first air outlet connects mixed flow heat exchanger first air inlet by pipeline, and catalytic combustion bed second air outlet connects the sidewall hot blast import that adsorbent bed has hollow structure by an adsorbent bed heating blower; New air flow-mixing blower fan air outlet connects mixed flow heat exchanger second air inlet, and desorption circulating fan air outlet connects catalytic combustion bed air inlet by second spark arrester.
And described catalytic bed comprises catalyst carrier and catalyst, and catalyst carrier is a honeycomb ceramic body, and catalyst is alundum (Al and Bo, Palladium.
Advantage of the present utility model and beneficial effect are:
1, the adsorbent bed of this combined system comprises the air intake expansion mouth, active-carbon bed body and air-out choke, the two sides that active-carbon bed body is relative connects air intake expansion mouth and air-out choke respectively, on the air intake expansion mouth, be fixed with air distribution plate, multilayer active carbon dividing plate is set in the active-carbon bed body, wherein active-carbon bed body two lateral walls all is set to have the sidewall of hollow structure, the active carbon dividing plate is set to have the active carbon dividing plate of hollow structure, active carbon dividing plate with hollow structure is communicated with the sidewall with hollow structure, have on the two side of hollow structure and be respectively arranged with hot blast import and hot-blast outlet, catalytic combustion bed second air outlet connects the hot blast import that adsorbent bed has the hollow structure sidewall by an adsorbent bed heating blower; The hot blast import of this kind structure connects the outlet of catalytic bed tail gas, desorption process utilizes the hardware of catalysis tail gas heating adsorbent bed inside and passes through interior adsorbent and the adsorbate of conduction convection type indirect adsorbent bed, thereby significantly shortened desorption time, reduced power consumption, made full use of the heat energy that catalyticing combustion process produces, environmental protection, and greatly reduce equipment operating cost, improved exhaust-gas treatment efficient, and can effectively solve low at the northern area winter temperature, desorption prolongs heat time heating time, and power consumption increases, even the technical barrier that the desorption flow process can not normally be moved.
2, the catalytic combustion bed of this combined system comprises the catalytic bed body, air inlet, air outlet, the catalysis electric heater, air distribution plate and catalytic bed, its catalytic bed body upper end is shaped on air inlet, catalytic bed body lower end is shaped on air outlet, be disposed with the catalysis electric heater in the catalytic bed body from top to bottom, air distribution plate and catalytic bed, the external wall of this catalytic bed installs the pyroceram fibre heat-insulation layer, this structure has effectively improved the time of contact of waste gas and catalytic bed, avoided the overheated of catalytic bed top, make temperature equalization between each catalytic bed, improved the catalytic purification rate, and the pyroceram fibre of the external wall of catalytic bed can effectively reduce heat energy loss, raising catalytic combustion efficient and self-sustaining burning stability.
3, this combined system desorption circulating fan air outlet connects catalytic combustion bed air inlet by second spark arrester, has increased the security and the reliability of system, prevents the generation of contingency.
4, the utility model system architecture advantages of simple can effectively cut down the consumption of energy, improve purifying rate, shortens the desorption flow process time, improve purification efficiency, reduces operating cost, is a kind of safe and reliable energy-saving and high efficient absorption, desorption combined system.
Description of drawings
Fig. 1 is a process flow diagram of the present utility model;
Fig. 2 is the structural representation of the utility model adsorbent bed;
Fig. 3 is the right view (omitting air-out choke and Alveolate activated carbon capable) of Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the structural representation of the utility model catalytic combustion bed;
Fig. 6 is the vertical view of Fig. 5.
The specific embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of energy-saving and high efficient absorption, desorption combined system, comprise filter, first spark arrester, adsorbent bed, absorption main air blower, catalytic combustion bed, mixed flow heat exchanger, new air flow-mixing blower fan, desorption electric heater and desorption circulating fan, filter, spark arrester, adsorbent bed and absorption main air blower connect successively by pipeline, mixed flow heat exchanger air outlet connects the desorption circulating fan by desorption electric heater and adsorbent bed, and its innovative point is:
(1), adsorbent bed comprises air intake expansion mouth 12, active-carbon bed body 5 and air-out choke 6, the small-caliber end of air intake expansion mouth connects blast pipe 1, this blast pipe can connect first spark arrester and desorption electric heater respectively by threeway and valve, the small-caliber end of air-out choke connects discharge pipe 7, this discharge pipe can connect absorption main air blower and desorption circulating fan, air-out choke bottom offers manhole 8, this manhole is equipped with the door that reloads, active-carbon bed body top offers explosion-proof relief mouth 3, the two sides that active-carbon bed body is relative connects air intake expansion mouth and air-out choke respectively, on the air intake expansion mouth, be fixed with air distribution plate 11, this air distribution plate can be arranged according to the actual condition at scene, it mainly is evenly to guide the waste gas that contains industrial volatilizable organic pollution on the active carbon dividing plate active carbon, multilayer active carbon dividing plate is set in the active-carbon bed body, place Alveolate activated carbon capable 10 on this active carbon dividing plate, the uniform thermal resistance connector 14 that is provided with on the active-carbon bed body sidewall, be used to connect thermal resistance, thereby each temperature data of very first time monitoring adsorbent bed, it is that the steel pipe of rectangle is as support that four jiaos of active-carbon bed bodies adopt the cross section, the moulding of convenient active-carbon bed body, for the connection of follow-up structure is laid a solid foundation, active-carbon bed body two lateral walls all is set to have the sidewall 13 of hollow structure, the active carbon dividing plate is set to have the active carbon dividing plate 9 of hollow structure, active carbon dividing plate with hollow structure is communicated with the sidewall with hollow structure, have on the two side of hollow structure and be respectively arranged with hot blast import 2 and hot-blast outlet 4, the active carbon dividing plate with hollow structure after the connection and the sidewall with hollow structure can reach hot blast and enter in the active carbon dividing plate with hollow structure and sidewall with hollow structure back of flowing from the hot blast import and discharge this hot blast import from hot-blast outlet, hot-blast outlet, the sidewall structures that has the active carbon dividing plate of hollow structure and have a hollow structure is mainly used in altogether introduces catalytic combustion tail gas heating adsorbent bed metal structure.Give this adsorbent equipment fast cooling in use if desired,, can also directly introduce air from the hot blast import and cool off, thereby enter adsorption process again from desorption process more quickly by threeway and blower fan to improve service efficiency;
(2), the catalytic combustion bed comprises catalytic bed body 21, air inlet 15, air outlet 20, electric heater 16, air distribution plate 17 and catalytic bed 18, the external wall of catalytic bed is fixed with heat-insulation layer 19, this heat-insulation layer is a pyroceram fibre, air outlet is set to 3, catalytic bed comprises catalyst carrier and catalyst, catalyst carrier is a honeycomb ceramic carrier, catalyst is alundum (Al and platinum Palladium, alundum (Al is one year, platinum Palladium is two years, its catalytic bed body upper end is shaped on air inlet, catalytic bed body lower end is shaped on air outlet, be disposed with electric heater in the catalytic bed body from top to bottom, air distribution plate and catalytic bed, the catalytic combustion bed is provided with first air outlet, second air outlet and the 3rd air outlet, catalytic combustion bed first air outlet connects mixed flow heat exchanger first air inlet by pipeline, and catalytic combustion bed second air outlet connects the sidewall hot blast import that adsorbent bed has hollow structure by an adsorbent bed heating blower; New air flow-mixing blower fan air outlet connects mixed flow heat exchanger second air inlet, and desorption circulating fan air outlet connects catalytic combustion bed air inlet by second spark arrester, and the catalytic combustion bed is provided with the 3rd air outlet and is used for direct emission compliance gas.
The utility model in use, the exhaust gas source of the volatilizable organic pollution of industry is passed through filter successively by pipeline, first spark arrester arrives adsorbent bed, gas after the waste gas of the volatilizable organic pollution of industry is handled through adsorbent bed can reach discharge standard and directly discharge, after the Alveolate activated carbon capable on the adsorbent bed reaches capacity, begin to enter the desorption flow process, opening desorption circulating fan fresh air enters from the import of new air flow-mixing blower fan and enters adsorbent bed by mixed flow heat exchanger and desorption electric heater and carry out desorption, gas behind the desorption enters the catalytic combustion bed by the desorption circulating fan and second spark arrester and carries out purification of combustion, tail gas discharged has reached discharge standard from the catalytic combustion bed, but this tail gas continuation circulation can be entered the mixed flow heat exchanger in order saving energy and reduce the cost thermal source to be provided, when just having begun to start the desorption catalyzing combustion system, need to open the desorption electric heater, after catalyticing combustion process starts successfully and stablizes, promptly can close the desorption electric heater, save electric energy, temperature was still about 100 ℃ after the tail gas of catalytic combustion bed discharge passed through plate type heat exchanger in addition, directly it is sent into the import of adsorbent bed hot blast by the adsorbent bed heating blower, this hot blast flows in active carbon dividing plate with hollow structure and sidewall with hollow structure, discharge from hot-blast outlet, by the metal structure in the direct heating adsorbent bed, adsorbent bed desorption programming rate is accelerated, realize saving energy and reduce the cost by making full use of the catalytic combustion waste heat, effect is particularly remarkable when the northern area winter operation.
Claims (2)
1. energy-saving and high efficient absorption, desorption combined system, comprise filter, first spark arrester, adsorbent bed, absorption main air blower, catalytic combustion bed, mixed flow heat exchanger, new air flow-mixing blower fan, desorption electric heater and desorption circulating fan, filter, spark arrester, adsorbent bed and absorption main air blower connect successively by pipeline, mixed flow heat exchanger air outlet connects the desorption circulating fan by desorption electric heater and adsorbent bed, it is characterized in that:
(1), adsorbent bed comprises the air intake expansion mouth, active-carbon bed body and air-out choke, the two sides that active-carbon bed body is relative connects air intake expansion mouth and air-out choke respectively, on the air intake expansion mouth, be fixed with air distribution plate, multilayer active carbon dividing plate is set in the active-carbon bed body, wherein active-carbon bed body two lateral walls all is set to have the sidewall of hollow structure, the active carbon dividing plate is set to have the active carbon dividing plate of hollow structure, active carbon dividing plate with hollow structure is communicated with the sidewall with hollow structure, has on the two side of hollow structure to be respectively arranged with hot blast import and hot-blast outlet;
(2), the catalytic combustion bed comprises the catalytic bed body, air inlet, air outlet, the catalysis electric heater, air distribution plate and catalytic bed, its catalytic bed body upper end is shaped on air inlet, catalytic bed body lower end is shaped on air outlet, be disposed with the catalysis electric heater in the catalytic bed body from top to bottom, air distribution plate and catalytic bed, the external wall of this catalytic bed installs the pyroceram fibre heat-insulation layer, the catalytic combustion bed is provided with first air outlet, second air outlet and the 3rd air outlet, catalytic combustion bed first air outlet connects mixed flow heat exchanger first air inlet by pipeline, and catalytic combustion bed second air outlet connects the sidewall hot blast import that adsorbent bed has hollow structure by an adsorbent bed heating blower; New air flow-mixing blower fan air outlet connects mixed flow heat exchanger second air inlet, and desorption circulating fan air outlet connects catalytic combustion bed air inlet by second spark arrester.
2. energy-saving and high efficient absorption according to claim 1, desorption combined system, it is characterized in that: described catalytic bed comprises catalyst carrier and catalyst, catalyst carrier is a honeycomb ceramic body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200825398U CN201978636U (en) | 2011-03-25 | 2011-03-25 | Energy-saving efficient adsorption and desorption combined system |
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| CN2011200825398U CN201978636U (en) | 2011-03-25 | 2011-03-25 | Energy-saving efficient adsorption and desorption combined system |
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| CN201978636U true CN201978636U (en) | 2011-09-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188873A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | Energy-saving efficient adsorption and desorption combined system |
| CN105413387A (en) * | 2015-11-12 | 2016-03-23 | 宁波大学 | VOCs tail gas adsorption-catalytic combustion treatment system |
| CN106422654A (en) * | 2016-11-23 | 2017-02-22 | 上海广成涂装技术工程有限公司 | Treatment system and method for treating organic waste gas |
-
2011
- 2011-03-25 CN CN2011200825398U patent/CN201978636U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188873A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | Energy-saving efficient adsorption and desorption combined system |
| CN105413387A (en) * | 2015-11-12 | 2016-03-23 | 宁波大学 | VOCs tail gas adsorption-catalytic combustion treatment system |
| CN105413387B (en) * | 2015-11-12 | 2018-07-10 | 宁波大学 | A kind of VOCs tail gas adsorptions-catalytic-combustion processing system |
| CN106422654A (en) * | 2016-11-23 | 2017-02-22 | 上海广成涂装技术工程有限公司 | Treatment system and method for treating organic waste gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |