CN208320373U - A kind of VOC gas absorber second level heat return level-one energy conserving system - Google Patents
A kind of VOC gas absorber second level heat return level-one energy conserving system Download PDFInfo
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- CN208320373U CN208320373U CN201820514118.XU CN201820514118U CN208320373U CN 208320373 U CN208320373 U CN 208320373U CN 201820514118 U CN201820514118 U CN 201820514118U CN 208320373 U CN208320373 U CN 208320373U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A kind of VOC gas absorber secondary absorption heat return level-one energy conserving system: it is constituted including primary adsorption mechanism, ventilating fan, second class absorber, condenser, circulating fan, heater and holding vessel；Primary adsorption mechanism lower left side is provided with admission line, and the lower part of admission line is arranged in ventilating fan, and setting pipeline is connect with heater outlet one end on the right side of primary adsorption mechanism lower part, and the upper left-hand of primary adsorption mechanism is provided with outlet pipe；The utility model is heated by the way that the absorber that primary adsorption mechanism is desorbed in post-job waste heat is desorbed using second level, effectively shorten the cooling time of second class absorber, the heating time of the absorber of primary adsorption mechanism desorption and the heat energy of heater are saved simultaneously, improve the working efficiency of equipment, the energy is greatly saved, production cost is reduced, the financial burden of enterprise is alleviated.
Description
Technical field
The utility model relates to organic exhaust gas recycling field, especially a kind of VOC gas absorber second level heat returns to level-one
Energy conserving system.
Background technique
In VOCs treatment field, adsorption recovery is a kind of main and effective administering method, and adsorption recovery is to utilize
After the organic volatile absorption in exhaust gas is discharged by adsorbent by enterprise, then by the method for condensing recovery organic volatile is changed
For liquid, it is directly used in recycling；After primary adsorption mechanism is to VOC gas adsorption saturation, need to pass through heated inert
Gas, then primary adsorption mechanism is desorbed by the inert gas after heat, make primary adsorption high concentration VOC gas within the organization
Body is by realizing the desorption to first class absorber, later again by second class absorber in circulation absorption to secondary absorption mechanism
Inert gas heating is carried out, the inert gas containing high concentration VOC gas is cooled down by condenser, makes high concentration VOC
Gas is precipitated from condenser, realizes to the desorption of secondary absorption mechanism, later again to secondary absorption mechanism cooled down for
Desorption use is carried out to first class absorber next time；When needing that primary adsorption mechanism is desorbed again, need again to one
Grade adsorbing mechanism is heated, and heating process needs a large amount of energy to heat it, and is preheated for a long time, and equipment is made
Entire utilization rate reduce very much, give enterprise to increase use cost；Therefore, it is necessary to a kind of new time techniques to solve existing recycling
The problem that process energy consumption is high, utilization rate of equipment and installations is low and equipment preheating time is long.
Utility model content
The utility model proposes a kind of VOC gas absorber second level heat to return to level-one energy conserving system and method, for solving
The problem that certainly existing recovery process energy consumption is high, utilization rate of equipment and installations is low and equipment preheating time is long.
The purpose of this utility model adopts the following technical scheme that realize:
A kind of VOC gas absorber second level heat return level-one energy conserving system, including primary adsorption mechanism, ventilating fan, two
Grade absorber, condenser, circulating fan, heater and holding vessel；Primary adsorption mechanism lower left side is provided with admission line, into
The lower part of admission line is arranged in gas blower, and setting pipeline is connect with heater outlet one end on the right side of primary adsorption mechanism lower part,
The upper left-hand of primary adsorption mechanism is provided with outlet pipe, and pipeline and condenser inlet is arranged in primary adsorption mechanism upper right
Connection, condenser pass through pipeline and circulating fan import by loop exit and the outlet of agglutination outlet two, condenser loop exit
Connection, condenser agglutination outlet are connect by pipeline with holding vessel, and circulating fan outlet is connect with heater inlet, secondary absorption
Device setting passes through pipeline and circulating fan inlet end and condenser in primary adsorption mechanism side, second class absorber upper inlet
Inlet end connection, second class absorber lower part outlet pass through loop exit one end and heater outlet one end of pipeline and condenser
Connection, heater inlet one end are connect with exit end by pipeline, are provided with valve in all connecting pipes；Described one
Grade adsorbing mechanism is made of absorber A, absorber B, air inlet switch valve and outlet switch valve, and absorber A and absorber B are simultaneously
The lower end air inlet of connection setting, absorber A and absorber B are connect with air inlet switch valve top, the lower part of air inlet switch valve
The reduction of fractions to a common denominator is not connect with ventilating fan and heater outlet, under the upper end gas outlet of absorber A and absorber B and outlet switch valve
Portion's connection, outlet switch valve top are connect with outlet pipe and condenser inlet, and absorber A is identical with absorber B structure,
For charcoal canister shape absorber.
The air inlet switch valve is the switch valve of two four-ways, and air inlet switch valve is Electronic control.
The outlet switch valve is identical as air inlet switch valve structure.
The second class absorber is charcoal canister shape absorber.
The circulating fan is enclosed circulation blower.
The primary adsorption mechanism is at least made of two absorbers.
The utility model proposes technical solution, reached good effect: post-job remaining by being desorbed using second level
The absorber that primary adsorption mechanism is desorbed in heat heats, and effectively shortens the cooling time of second class absorber, same to time
The heating time of the absorber of primary adsorption mechanism desorption and the heat energy of heater have been saved, the work effect of equipment is improved
Rate reduces the use cost of equipment, has greatly saved the energy, reduces production cost, alleviates the financial burden of enterprise.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is that schematic diagram is desorbed in level-one.
Fig. 3 is that schematic diagram is desorbed in second level.
Fig. 4 is thermal energy return level-one de-adsorption cycle recycling schematic diagram after second level desorption.
In figure: 1, absorber A, 2, outlet switch valve, 3, outlet pipe, 4, valve, 5, second class absorber, 6,
Condenser, 7, holding vessel, 8, circulating fan, 9, heater, 10, admission line, 11, ventilating fan, 12, air inlet switch valve,
13, absorber B,.
Specific embodiment
The utility model is described further in conjunction with the drawings and specific embodiments:
A kind of VOC gas absorber second level heat return level-one energy conserving system as shown in Fig. 1, including primary adsorption mechanism,
Ventilating fan 11, second class absorber 5, condenser 6, circulating fan 8, heater 9 and holding vessel 7；The primary adsorption mechanism
Lower left side is provided with admission line 10, and the lower part of admission line 10, primary adsorption mechanism lower right is arranged in ventilating fan 11
Side setting pipeline is connect with 9 exit end of heater, and the upper left-hand of primary adsorption mechanism is provided with outlet pipe 3, and level-one is inhaled
Random structure upper right setting pipeline is connect with 6 import of condenser；Primary adsorption mechanism by absorber A 1, absorber B 13, into
Gas switch valve 12 and outlet switch valve 2 are constituted, and the absorber A 1 and absorber B 13 is arranged in parallel, absorber A 1
It is identical with 13 structure of absorber B, it is charcoal canister shape absorber, primary adsorption mechanism is at least made of two absorbers；Institute
The lower end air inlet of the absorber A 1 and absorber B 13 that state are connect with 12 top of air inlet switch valve, air inlet switch valve 12
The lower part reduction of fractions to a common denominator not with ventilating fan 11 and heater 9 outlet connect, air inlet switch valve 11 be two four-ways switch valve,
Air inlet switch valve 11 is Electronic control；2 top of outlet switch valve is connect with outlet pipe 3 and 6 import of condenser,
The upper end gas outlet of absorber A 1 and absorber B 13 is connect with 2 lower part of outlet switch valve, outlet switch valve 2 and air inlet
12 structure of switch valve is identical；The condenser 6 is by loop exit and the outlet of agglutination outlet two, 6 loop exit of condenser
It is connect by pipeline with 8 import of circulating fan, condenser agglutination outlet is connect by pipeline with holding vessel 7, the circulated air
The outlet of machine 8 is connect with 9 import of heater, and circulating fan 8 is enclosed circulation blower；The second class absorber 5 is arranged one
Grade adsorbing mechanism side, 5 upper inlet of second class absorber pass through pipeline and 6 import one of 8 inlet end of circulating fan and condenser
End connection, 5 lower part outlet of second class absorber are connect by pipeline with 6 loop exit one end of condenser and 9 exit end of heater,
Second class absorber 5 is charcoal canister shape absorber；9 inlet end of heater is connect with exit end by pipeline, all connections
Valve 4 is provided on pipeline.
A kind of VOC gas absorber second level heat returns to level-one energy conserving system method: it includes that level-one separating process, second level are de-
Attached technique and second level desorption thermal energy return to level-one de-adsorption cycle and recycle three steps of technique:
Level-one desorption as shown in Fig. 2: VOC gas enter primary adsorption by air inlet switch valve 12 from admission line
It is adsorbed in mechanism absorber A 1, pure air is discharged by outlet switch valve 2 from outlet pipe 3, when absorber A1 is adsorbed
After saturation, it is switched into 12 position of gas switch valve, connects admission line 10 and absorber B13 lower inlet, while making to adsorb
Device A1 lower inlet and the outlet of heater 9 are connected；12 position of gas switch valve is switched out, is made on outlet pipe 3 and absorber B13
Portion, which exports, to be connected, while connects absorber A1 upper outlet and 6 import of condenser, in the outlet of condenser 6 and second class absorber
Mouth is connected, and at this moment absorber B13 carries out normal sorption, and absorber A1 carries out level-one desorption: passing through 9 heated inert gas of heater
Enter inside from the lower inlet of absorber A1 by air inlet switch valve 12 and pipeline, the inert gas after heating is to being adsorbed with
The active carbon of solvent heats, and the VOC gas containing water are desorbed out, and the VOC gas containing water are desorbed out and pass through on absorber A1
Portion outlet and outlet switch valve 2 and pipeline enter in condenser 6, and the high temperature VOC gas containing water are down in condenser 6
Room temperature, a part of VOC gas containing water enter holding vessel 7 by being aggregated outlet conduit, and another part contains the VOC of a small amount of water
Gas is entered in second class absorber 5 by loop exit pipeline, and second class absorber 5 inhales the VOC gas containing a small amount of water
Attached, the inert gas that is not aqueous and being adsorbed rear a small amount of VOC gas after absorption is entered circulation by 5 lower part outlet of second class absorber
8 import of blower, for the outlet of circulating fan 8 with 9 inlet communication of heater, the inert gas after heating is recycled into absorber 1 again
Interior that it is desorbed, entire pipe valve 4 fully open formation circulation line when level-one is desorbed is recycled by the above operating procedure
Back and forth, the absorber A1 of primary adsorption mechanism is desorbed to standard requirements, stops desorption, completes level-one desorption, closes heating
Device cools down to first class absorber through bypass duct, first class absorber is made to reenter adsorbed state；
Second level desorption as shown in Fig. 3: close the top primary adsorption mechanism absorber A1 outlet switch valve 12 with it is cold
Valve 4 on pipeline between condenser 6, valve 4 on pipeline between the closing lower part absorber A1 admission line valve 12 and heater 9,
At this moment second class absorber is desorbed: the inert gas after being heated by heater 9 passes through inlet pipe road from second class absorber 5
Lower inlet enters inside, and the inert gas after heating has the active carbon of organic solvent to heat secondary absorption, is desorbed out highly concentrated
VOC gas are spent, high concentration VOC gas are desorbed out and are entered in condenser 6 by 5 upper outlet of second class absorber and pipeline, cold
The high temperature VOC gas of high concentration are cooled down in condenser 6 and are condensed, condensed organic solvent enters storage by being aggregated outlet conduit
Tank 7,6 loop exit of condenser pass through again circulating fan 8 the inert gas containing VOC gas incondensible after cooling again into
Enter into heater 9 and heated, the inert gas after heating be re-introduced into second class absorber 5 to second class absorber 5 into
Row desorption, entire pipe valve 4 fully open formation circulation line when second level is desorbed move in circles by the above operating procedure, make
After the desorption to standard requirements of second class absorber 5, stop desorption, completes second level desorption；
Second level desorption thermal energy as shown in Fig. 4 returns to level-one de-adsorption cycle and recycles: when primary adsorption mechanism absorber
It is switched into 12 position of gas switch valve after B13 saturation, connects admission line 10 and absorber A1 lower inlet, while making to adsorb
Device B13 lower inlet and the outlet of heater 9 are connected；It is switched into 2 position of gas switch valve, is made on outlet pipe 3 and absorber A1
Portion connects outlet, while connects the top absorber B13 and 6 import of condenser；At this moment absorber A1 carries out normal sorption, absorption
Device B13 carries out level-one desorption: being connected to 8 import of circulating fan by the lower part outlet of second class absorber 5, circulating fan 8 exports handle
Second class absorber 5 includes the inert gas having surplus heat and reaches 12 lower part of air inlet switch valve by heat exchanger and enter absorber
It is desorbed in B13, heater operating power is can obviously reduce herein, plays the role of energy saving, be desorbed out and contain
The VOC gas of water are desorbed out the VOC gas containing water and enter in condenser 6, the high temperature VOC gas containing water in condenser 6
Body is down to room temperature, and the VOC gas containing water enter holding vessel 7 by being aggregated outlet conduit, and gas containing voc enters two after cooling
The grade active carbon suitable for reading in its tank of absorber 5 is cooled down step by step cools down it, and inert gas passes through second class absorber 5
Afterwards can be again by the waste-heat in second class absorber 5, the inert gas after heating passes through circulating fan 8 again and enters air inlet switching
Absorber B13 is desorbed in valve 12 to absorber B13, while gradually being cooled down from top to bottom with second class absorber 5,
Active carbon in second class absorber 5 also carries out top-down adsorbed state simultaneously, and second level is desorbed thermal energy and returns to level-one desorption
The entire fully open formation circulation line of pipe valve makes the suction of primary adsorption mechanism by the above operating procedure when recycling
Adnexa B is desorbed to standard requirements, stops level-one desorption, realizes that second level desorption thermal energy returns to level-one de-adsorption cycle and recycled
Journey.
The non-detailed portion of the utility model is the prior art.
Claims (6)
1. a kind of VOC gas absorber second level heat returns to level-one energy conserving system, including primary adsorption mechanism, ventilating fan, second level
Absorber, condenser, circulating fan, heater and holding vessel；It is characterized in that: primary adsorption mechanism lower left side is provided with air inlet
The lower part of admission line, setting pipeline and heater outlet one on the right side of primary adsorption mechanism lower part is arranged in pipeline, ventilating fan
End connection, the upper left-hand of primary adsorption mechanism are provided with outlet pipe, primary adsorption mechanism upper right be arranged pipeline with it is cold
Condenser import connection, condenser pass through pipeline and circulation by loop exit and the outlet of agglutination outlet two, condenser loop exit
Fan inlet connection, condenser agglutination outlet are connect by pipeline with holding vessel, and circulating fan outlet is connect with heater inlet,
Second class absorber setting passes through pipeline and circulating fan inlet end in primary adsorption mechanism side, second class absorber upper inlet
It is connected with condenser inlet one end, second class absorber lower part outlet passes through loop exit one end and the heater of pipeline and condenser
Exit end connection, heater inlet one end are connect with exit end by pipeline, are provided with valve in all connecting pipes；
The primary adsorption mechanism is made of absorber A, absorber B, air inlet switch valve and outlet switch valve, absorber A with
Absorber B is arranged in parallel, and the lower end air inlet of absorber A and absorber B are connect with air inlet switch valve top, air inlet switching valve
The lower part reduction of fractions to a common denominator of door is not connect with ventilating fan and heater outlet, the upper end gas outlet of absorber A and absorber B and autogenous cutting out
The connection of valve lower part is changed, outlet switch valve top is connect with outlet pipe and condenser inlet, absorber A and absorber B knot
Structure is identical, is charcoal canister shape absorber.
2. a kind of VOC gas absorber second level heat according to claim 1 returns to level-one energy conserving system, it is characterized in that: institute
The air inlet switch valve stated is the switch valve of two four-ways, and air inlet switch valve is Electronic control.
3. a kind of VOC gas absorber second level heat according to claim 1 returns to level-one energy conserving system, it is characterized in that: institute
The outlet switch valve stated is identical as air inlet switch valve structure.
4. a kind of VOC gas absorber second level heat according to claim 1 returns to level-one energy conserving system, it is characterized in that: institute
The second class absorber stated is charcoal canister shape absorber.
5. a kind of VOC gas absorber second level heat according to claim 1 returns to level-one energy conserving system, it is characterized in that: institute
The circulating fan stated is enclosed circulation blower.
6. a kind of VOC gas absorber second level heat according to claim 1 returns to level-one energy conserving system, it is characterized in that: institute
The primary adsorption mechanism stated is at least made of two absorbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514118.XU CN208320373U (en) | 2018-04-12 | 2018-04-12 | A kind of VOC gas absorber second level heat return level-one energy conserving system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820514118.XU CN208320373U (en) | 2018-04-12 | 2018-04-12 | A kind of VOC gas absorber second level heat return level-one energy conserving system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273354A (en) * | 2018-04-12 | 2018-07-13 | 洛阳天宝环保科技有限公司 | A kind of VOC gas absorber two level heat returns to level-one energy conserving system and method |
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- 2018-04-12 CN CN201820514118.XU patent/CN208320373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273354A (en) * | 2018-04-12 | 2018-07-13 | 洛阳天宝环保科技有限公司 | A kind of VOC gas absorber two level heat returns to level-one energy conserving system and method |
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