CN109579029B - VOCs gas treatment device - Google Patents
VOCs gas treatment device Download PDFInfo
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- CN109579029B CN109579029B CN201811504188.8A CN201811504188A CN109579029B CN 109579029 B CN109579029 B CN 109579029B CN 201811504188 A CN201811504188 A CN 201811504188A CN 109579029 B CN109579029 B CN 109579029B
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- buffer
- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a VOCs gas treatment device, which comprises a three-way flange seal head, a rotary buffer tank, a gas heat exchange tank and a heat exchange pipe, wherein three first vent holes are formed in the upper end of the rotary buffer tank; the lower end of the rotary buffer tank is provided with a third air hole and a fourth air hole which are respectively communicated with the two buffer cavities; the three first vent holes are provided with valves. The combined action of the buffer cavity, the through hole and the valve arranged in the rotary buffer tank is utilized to replace the traditional pipeline laying, so that the problems of more and redundant pipelines can be solved, the heat loss is reduced, and the operation is simplified.
Description
Technical Field
The invention relates to a VOCs organic waste gas treatment technology, in particular to a VOCs gas treatment device.
Background
Since the industrial revolution, the more familiar sources of atmospheric pollution have come mainly from petroleum and chemical production processes, thermal power generation and the like. The common method comprises the following steps: dedusting, acid mist removal, alkali washing, desulfurization and the like. Among the gaseous harmful substances in the air, some are Volatile Organic Compounds (VOCs). Mainly from solvent production processes or processes using solvents, such as: gas emission during coal mining, chemical and medical production processes, paint spraying, dipping and coating processes, assembly and transportation processes of the gasoline industry and the like. Taking the thermal oxidation combustion process (RTO) for treating VOCs gas as an example: the process of VOCs waste gas treatment equipment with a 3-chamber-RTO waste gas incinerator as a core is adopted, waste gas is not wasted in the process, is pumped into a heat accumulator 1 chamber which is preheated in advance for preheating, and is then introduced into the RTO waste gas incinerator for combustion treatment, organic matters in the waste gas are cracked and combusted, and are converted into harmless high-temperature flue gas (about 800 ℃), and the purified gas contains a large amount of heat energy, so that the flue gas passes through a heat accumulator 2 chamber, and the heat energy is recycled for preheating the next cycle. And part of the purified gas is introduced into a pipeline at the chamber of the heat accumulator 3, so that the residual waste gas in the pipeline and the residual waste gas in the chamber of the heat accumulator 3 are flushed into the combustion chamber, and the part of waste gas in the next circulation is prevented from being mixed into the purified gas and discharged. However, the existing RTO treatment device with only 3 chambers needs to lay a large number of pipelines, and the heat loss of the gas which can be recycled is quite large due to the large number of redundant pipelines, more waste gas which is not removed in the pipelines and insufficient use efficiency of the pipelines; and the switch of a plurality of pipeline valves needs to be frequently switched in the processing operation process, the switching times of one day are close to tens of thousands times, the requirement on the selection and the strength of the valves is high, and the abrasion speed is high in the use process.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the VOCs gas treatment device which has a simple and reasonable structure, can reduce heat energy loss and solves the problems of more and redundant pipelines.
The aim of the invention is achieved by the following technical scheme: the VOCs gas treatment device comprises a three-way flange seal head, a rotary buffer tank, a gas heat exchange tank and a heat exchange pipe, wherein three first vent holes are formed in the upper end of the rotary buffer tank, a partition plate is arranged in the rotary buffer tank, the inner cavity of the rotary buffer tank is divided into three buffer cavities by the partition plate, the three buffer cavities are a first buffer cavity, a second buffer cavity and a third buffer cavity respectively, the first buffer cavity, the second buffer cavity and the third buffer cavity are communicated with the three first vent holes respectively, and the second buffer cavity and the third buffer cavity are communicated independently through second vent holes; the lower end of the rotary buffer tank is provided with a third air hole and a fourth air hole, the third air hole is communicated with the first buffer cavity, and the fourth air hole is communicated with the second buffer cavity or the fourth air hole is communicated with the third buffer cavity; the upper end of the rotary buffer tank is rotatably arranged on the three-way flange seal head, and three channels in the three-way flange seal head correspond to the three first vent holes; the lower end of the rotary buffer tank is rotatably arranged in the gas heat exchange tank, a heat exchange cavity is arranged in the gas heat exchange tank, the lower end of the gas heat exchange tank is provided with an air inlet, and the side of the gas heat exchange tank is provided with an air outlet; one end of the heat exchange tube is connected with a third vent hole, the other end of the heat exchange tube passes through the heat exchange cavity and then is connected with the air inlet, the fourth vent hole is communicated with the air outlet through the heat exchange cavity, and the three first vent holes are provided with valves.
Preferably, the rotary buffer tank comprises a buffer tank body and a sealing cover, wherein the first buffer cavity, the second buffer cavity and the third buffer cavity are all arranged in the buffer tank body, and the sealing cover is in sealing connection with the lower end opening of the buffer tank body; the third vent and the fourth vent are arranged on the sealing cover, and the upper ends of the buffer tank bodies are respectively arranged at the three first vent holes.
Preferably, a rotating shaft is arranged at the upper end of the buffer tank body, and the rotating shaft is connected with the three-channel flange seal head through a first bearing.
Preferably, the gas heat exchange tank comprises a heat exchange tank body and a conversion disc, and the rotary buffer tank is connected with the heat exchange tank body through the conversion disc; the air inlet is arranged at the lower end of the heat exchange tank body, and the air outlet is arranged on the side wall of the heat exchange tank body.
Preferably, a rotary boss matched with the conversion disc is arranged at the lower end of the rotary buffer tank, and the rotary boss is connected with the conversion disc through a second bearing.
Preferably, a sealing ring is arranged at the joint of the conversion disc and the heat exchange tank body.
Preferably, the heat exchange tube is Z-shaped, and the other end of the heat exchange tube is connected with the air inlet through a third bearing.
Preferably, the three-way flange seal head comprises a seal head disc and three flange pipes with channels arranged inside, the middle part of the seal head disc is rotatably connected with the buffer rotary tank, one end of each flange pipe is connected with the seal head disc, the channels in the three flange pipes correspond to the three first vent holes, and the other end of each flange pipe is provided with a flange part.
Preferably, the three flange pipes are uniformly distributed with respect to the circumference of the central shaft of the end socket plate.
Preferably, the air inlet and the air outlet are both provided with connecting flanges.
Compared with the prior art, the invention has the following advantages:
1. this VOCs gas treatment device is mainly by three flange head, rotatory buffer tank, gaseous heat transfer jar and heat exchange tube, is equipped with three buffer chamber and rotatory buffer tank and rotatable installation of three flange head in rotatory buffer tank, and this many and lengthy problems of pipeline among the solution VOCs gas treatment device have reduced pipeline laying cost and maintenance cost backward by a wide margin.
2. The rotary buffer tank in the VOCs gas treatment device is provided with three buffer cavities and a first vent hole communicated with the three buffer cavities, and the first vent hole is provided with a valve, so that the three buffer cavities, the three valves, the gas heat exchange tank and the like are jointly acted, the problems of more pipelines and redundancy are solved, and heat energy can be recycled, so that heat loss is reduced. Compared with the traditional VOCs gas treatment device, the heat loss can be reduced by one third.
3. This VOCs gas treatment device adopts rotatory buffer tank to replace traditional pipeline to reduce the use of pipeline, also reduced the use of valve simultaneously, total valve switching number of times is traditional hundredth simultaneously only, can slow down the wearing and tearing of valve greatly, also has more choices to the material selection of valve.
4. The VOCs gas treatment device reduces the use of pipelines, and can reduce the use of valves, so that the phenomenon that the conventional VOCs gas treatment device controls a plurality of valves is avoided, and the flow control difficulty is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of the configuration of the VOCs gas treatment apparatus of example 1.
Fig. 2 is a cross-sectional view of the rotary buffer tank of example 1.
Fig. 3 is a top view of the rotary buffer tank of example 1.
Fig. 4 is a bottom view of the rotary buffer tank of embodiment 1.
Fig. 5 is a cross-sectional view of the three-way flange head of example 1.
Fig. 6 is a top view of the three-way flange head of example 1.
Fig. 7 is a cross-sectional view of the gas heat exchange tank of example 1.
Wherein, 1 is three-channel flange seal head, 101 is the head dish, 102 is the flange pipe, 103 is the flange portion, 104 is the passageway, 2 is rotatory buffer tank, 201 is the buffer tank body, 202 is the closing cap, 203 is the pivot, 204 is rotatory boss, 3 is the gas heat transfer jar, 301 is the heat transfer tank body, 302 is the conversion disc, 4 is the heat transfer pipe, 5 is first air vent, 6 is the baffle, 7 is first buffer chamber, 8 is the second buffer chamber, 9 is the third buffer chamber, 10 is the second air vent, 11 is the third air vent, 12 is the fourth air vent, 13 is the heat transfer chamber, 14 is the air inlet, 15 is the gas vent, 16 is the valve, 17 is the sealing washer, 18 is flange, 19 is first bearing, 20 is the second bearing, 21 is the third bearing.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1:
the VOCs gas treatment device as shown in the figures 1 to 6 comprises a three-way flange seal head, a rotary buffer tank, a gas heat exchange tank and a heat exchange pipe, wherein three first vent holes are formed in the upper end of the rotary buffer tank, a partition plate is arranged in the rotary buffer tank, the partition plate divides the inner cavity of the rotary buffer tank into three buffer cavities, the three buffer cavities are a first buffer cavity, a second buffer cavity and a third buffer cavity respectively, the first buffer cavity, the second buffer cavity and the third buffer cavity are communicated with the three first vent holes respectively, and the second buffer cavity and the third buffer cavity are communicated independently through second vent holes; the lower end of the rotary buffer tank is provided with a third air hole and a fourth air hole, the third air hole is communicated with the first buffer cavity, and the fourth air hole is communicated with the third buffer cavity; the upper end of the rotary buffer tank is rotatably arranged on the three-way flange seal head, and three channels in the three-way flange seal head correspond to the three first vent holes; the lower end of the rotary buffer tank is rotatably arranged in the gas heat exchange tank, a heat exchange cavity is arranged in the gas heat exchange tank, the lower end of the gas heat exchange tank is provided with an air inlet, and the side of the gas heat exchange tank is provided with an air outlet; one end of the heat exchange tube is connected with a third vent hole, the other end of the heat exchange tube passes through the heat exchange cavity and then is connected with the air inlet, the fourth vent hole is communicated with the air outlet through the heat exchange cavity, and the three first vent holes are provided with valves. Specifically, the rotary buffer tank is utilized to replace the traditional pipeline, so that the laying length of the pipeline and the number of the valves can be effectively reduced, the operation is convenient, and the abrasion and the service life of the valves are reduced.
The rotary buffer tank as shown in fig. 2 to 4 comprises a buffer tank body and a sealing cover, wherein the first buffer cavity, the second buffer cavity and the third buffer cavity are all arranged in the buffer tank body, and the sealing cover is in sealing connection with the lower end opening of the buffer tank body; the third vent and the fourth vent are arranged on the sealing cover, and the upper ends of the buffer tank bodies are respectively arranged at the three first vent holes. The structure is simple, and the installation and the repair are convenient.
The upper end of the buffer tank body is provided with a rotating shaft, and the rotating shaft is connected with the three-way flange seal head through a first bearing. The rotary buffer tank is simple in structure, and can stably rotate.
As shown in fig. 7, the gas heat exchange tank comprises a heat exchange tank body and a conversion disc, and the rotary buffer tank is connected with the heat exchange tank body through the conversion disc; the air inlet is arranged at the lower end of the heat exchange tank body, and the air outlet is arranged on the side wall of the heat exchange tank body. The lower extreme of rotatory buffer tank is equipped with the rotatory boss that matches with the conversion disc, rotatory boss is connected with the conversion disc through the second bearing. The specific rotatory boss sets up in the closing cap, and this structure easy to assemble, and guaranteed rotatory buffer tank stability when rotating.
And a sealing ring is arranged at the joint of the conversion disc and the heat exchange tank body. The relative tightness of the gas heat exchange tank is ensured, and the reliability and heat exchange efficiency of the gas heat exchange tank are improved.
The heat exchange tube is Z-shaped, and the other end of the heat exchange tube is connected with the air inlet through a third bearing. This can increase the stroke of VOCs waste gas in gas heat transfer jar to improve the heat transfer effect.
The three-way flange seal head comprises a seal head disc and three flange pipes internally provided with channels, the middle part of the seal head disc is rotatably connected with the buffer rotary tank, one end of each flange pipe is connected with the seal head disc, the channels in the three flange pipes correspond to the three first vent holes, and the other end of each flange pipe is provided with a flange part. This simple structure makes things convenient for VOCs gas treatment device to be connected with other parts in the RTO equipment. The three flange pipes are uniformly distributed relative to the circumference of the central shaft of the end socket plate. I.e. the arc between two adjacent flanged pipes is resolved to 120 deg..
The air inlet and the air outlet are both provided with connecting flanges. The structure is simple and convenient to connect.
The working method of the VOCs gas treatment device comprises the following specific steps:
(1) VOCs waste gas gets into the heat exchange tube from the air inlet, and VOCs waste gas carries out first round heat transfer with the internal high temperature flue gas of heat transfer jar through the in-process of Z heat exchange tube, realizes the first round of preheating of VOCs waste gas. VOCs after first round preheating get into the internal first buffer chamber of rotatory buffer tank, again through first air vent and a passageway that corresponds with first air vent this moment in proper order, then get into RTO equipment's first regenerator and preheat with the second round. And the VOCs preheated by the two rounds are introduced into an exhaust gas incinerator of the RTO equipment for combustion treatment and are converted into harmless high-temperature flue gas. Harmless high-temperature flue gas generated after combustion enters a second regenerator of the RTO equipment, so that a large amount of heat energy in the high-temperature flue gas is recovered by the second regenerator, and then the flue gas is introduced into a second buffer cavity and is accessed into a third buffer cavity from the second buffer cavity. The flue gas in the third buffer chamber is divided into two streams: one smoke flows into the third regenerator, and unremoved or residual VOCs in the third regenerator are flushed into an exhaust incinerator of the RTO equipment for treatment; the other flue gas enters the heat exchange tank body from a fourth air hole below the third buffer cavity, exchanges heat with untreated VOCs in the heat exchange tube to realize the first round of preheating, and the flue gas after completing the heat exchange is discharged from an air outlet on the side wall of the heat exchange tank body so as to realize the utilization of waste heat in the flue gas.
(2) When the temperature in the first heat storage chamber is reduced to a critical value, stopping injecting VOCs waste gas into the air inlet, rotating the rotary buffer tank body by 120 degrees, wherein a first buffer cavity in the rotary buffer tank body is communicated with the second heat storage chamber through another first vent hole, the second buffer chamber is communicated with the third heat storage chamber, and the third buffer chamber is directly communicated with the first heat storage chamber; next, the injection of VOCs off-gas from the intake port is resumed. Then new VOCs waste gas gets into the heat exchange tube from the air inlet, and VOCs waste gas carries out first round heat transfer with the internal high temperature flue gas of heat transfer jar through the in-process of Z type heat exchange tube, realizes the first round of preheating of VOCs waste gas. VOCs after the first round of preheating enter the first buffer cavity, enter the second regenerator of the RTO equipment and are preheated by the second round. And the VOCs preheated by the two rounds are introduced into an exhaust gas incinerator of the RTO equipment for combustion treatment and are converted into harmless high-temperature flue gas. Harmless high-temperature flue gas generated after combustion enters a third regenerator of the RTO equipment, so that a large amount of heat energy in the high-temperature flue gas is recovered by the third regenerator, and then the flue gas is introduced into a second buffer cavity and is accessed into the third buffer cavity from the second buffer cavity. The flue gas in the third buffer chamber is divided into two streams: one smoke flows into the first heat accumulation chamber, and unremoved or residual VOCs in the first heat accumulation chamber are flushed into an exhaust gas incinerator of the RTO equipment for treatment; the other flue gas enters the heat exchange tank body from a fourth air hole below the third buffer cavity, exchanges heat with untreated VOCs in the heat exchange tube to realize the first round of preheating, and the flue gas after completing the heat exchange is discharged from an air outlet on the side wall of the heat exchange tank body so as to realize the utilization of waste heat in the flue gas.
(3) Stopping injecting VOCs waste gas into the air inlet when the temperature in the second heat storage chamber is reduced to a critical value, rotating the buffer tank body again for 120 DEG, wherein a first buffer cavity in the buffer tank body is communicated with the third heat storage chamber, the second buffer chamber is communicated with the first heat storage chamber, and the third buffer chamber is directly communicated with the first heat storage chamber; next, the injection of VOCs off-gas from the intake port is resumed. Then new VOCs waste gas gets into the heat exchange tube from the air inlet, and VOCs waste gas carries out first round heat transfer with the internal high temperature flue gas of heat transfer jar through the in-process of Z type heat exchange tube, realizes the first round of preheating of VOCs waste gas. VOCs after the first round of preheating enter the first buffer cavity, and then enter a third regenerator of the RTO equipment for the second round of preheating. And the VOCs preheated by the two rounds are introduced into an exhaust gas incinerator of the RTO equipment for combustion treatment and are converted into harmless high-temperature flue gas. Harmless high-temperature flue gas generated after combustion enters a first regenerator of the RTO equipment, so that a large amount of heat energy in the high-temperature flue gas is recovered by the first regenerator, and then the flue gas is introduced into a second buffer cavity and is accessed into a third buffer cavity from the second buffer cavity. The flue gas in the third buffer chamber is divided into two streams: one smoke flows into the third regenerator, and unremoved or residual VOCs in the third regenerator are flushed into an exhaust incinerator of the RTO equipment for treatment; the other flue gas enters the heat exchange tank body from a fourth air hole below the third buffer cavity, exchanges heat with untreated VOCs in the heat exchange tube to realize the first round of preheating, and the flue gas after completing the heat exchange is discharged from an air outlet on the side wall of the heat exchange tank body so as to realize the utilization of waste heat in the flue gas.
(4) When the temperature in the second heat accumulation chamber is reduced to a critical value, stopping injecting VOCs waste gas into the air inlet, rotating the buffer tank body again for 120 DEG, and enabling the first buffer chamber to be communicated with the first heat accumulation chamber, enabling the second buffer chamber to be communicated with the second heat accumulation chamber, and enabling the third buffer chamber to be communicated with the third heat accumulation chamber, namely, recovering the initial state; and then repeating the step (1).
The steps are continuously circulated, so that uninterrupted treatment of VOCs waste gas is realized, the working efficiency is improved, the waste heat can be fully utilized, and the heat loss is reduced.
Example 2:
this VOCs gas treatment device is the same as example 1 except for the following technical features: the VOCs gas treatment device comprises a three-way flange seal head, a rotary buffer tank, a gas heat exchange tank and a heat exchange pipe, wherein three first vent holes are formed in the upper end of the rotary buffer tank, a partition plate is arranged in the rotary buffer tank, the inner cavity of the rotary buffer tank is divided into three buffer cavities by the partition plate, the three buffer cavities are a first buffer cavity, a second buffer cavity and a third buffer cavity respectively, the first buffer cavity, the second buffer cavity and the third buffer cavity are communicated with the three first vent holes respectively, and the second buffer cavity and the third buffer cavity are communicated independently through second vent holes; the lower end of the rotary buffer tank is provided with a third air hole and a fourth air hole, the third air hole is communicated with the first buffer cavity, and the fourth air hole is communicated with the second buffer cavity; the three-channel flange seal head is rotatably arranged at the upper end of the rotary buffer tank, and three channels in the three-channel flange seal head correspond to the three first vent holes; the lower end of the rotary buffer tank is rotatably arranged in the gas heat exchange tank, a heat exchange cavity is arranged in the gas heat exchange tank, the lower end of the gas heat exchange tank is provided with an air inlet, and the side of the gas heat exchange tank is provided with an air outlet; one end of the heat exchange tube is connected with a third vent hole, the other end of the heat exchange tube passes through the heat exchange cavity and then is connected with the air inlet, the fourth vent hole is communicated with the air outlet through the heat exchange cavity, and the three first vent holes are provided with valves. The embodiment 1 is different from the embodiment except for the fourth vent, and the effect of embodiment 1 can be achieved.
The above embodiments are preferred examples of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions made without departing from the technical aspects of the present invention are included in the scope of the present invention.
Claims (8)
1. VOCs gas treatment device, its characterized in that: the rotary buffer tank is internally provided with a baffle, the inner cavity of the rotary buffer tank is divided into three buffer cavities, namely a first buffer cavity, a second buffer cavity and a third buffer cavity, the first buffer cavity, the second buffer cavity and the third buffer cavity are respectively communicated with the three first vent holes, and the second buffer cavity and the third buffer cavity are respectively communicated through the second vent holes; the lower end of the rotary buffer tank is provided with a third air hole and a fourth air hole, the third air hole is communicated with the first buffer cavity, and the fourth air hole is communicated with the second buffer cavity or the fourth air hole is communicated with the third buffer cavity; the upper end of the rotary buffer tank is rotatably arranged on the three-way flange seal head, and three channels in the three-way flange seal head correspond to the three first vent holes; the lower end of the rotary buffer tank is rotatably arranged in the gas heat exchange tank, a heat exchange cavity is arranged in the gas heat exchange tank, an air inlet is arranged at the lower end of the gas heat exchange tank, an air outlet is arranged on the side wall of the gas heat exchange tank, the gas heat exchange tank comprises a heat exchange tank body and a conversion disc, and the rotary buffer tank is connected with the heat exchange tank body through the conversion disc; the air inlet is arranged at the lower end of the heat exchange tank body, and the air outlet is arranged on the side wall of the heat exchange tank body; one end of the heat exchange tube is connected with a third vent hole, the other end of the heat exchange tube passes through the heat exchange cavity and then is connected with the air inlet, the fourth vent hole is communicated with the air outlet through the heat exchange cavity, and the three first vent holes are all provided with valves; the rotary buffer tank comprises a buffer tank body and a sealing cover, wherein the first buffer cavity, the second buffer cavity and the third buffer cavity are all arranged in the buffer tank body, and the sealing cover is in sealing connection with the lower end opening of the buffer tank body; the third vent and the fourth vent are arranged on the sealing cover, and the three first vents are all arranged at the upper end of the buffer tank body.
2. The VOCs gas treatment apparatus according to claim 1, wherein: the upper end of the buffer tank body is provided with a rotating shaft, and the rotating shaft is connected with the three-way flange seal head through a first bearing.
3. The VOCs gas treatment apparatus according to claim 1, wherein: the lower extreme of rotatory buffer tank is equipped with the rotatory boss that matches with the conversion disc, rotatory boss is connected with the conversion disc through the second bearing.
4. The VOCs gas treatment apparatus according to claim 1, wherein: and a sealing ring is arranged at the joint of the conversion disc and the heat exchange tank body.
5. The VOCs gas treatment apparatus according to claim 1, wherein: the heat exchange tube is Z-shaped, and the other end of the heat exchange tube is connected with the air inlet through a third bearing.
6. The VOCs gas treatment apparatus according to claim 1, wherein: the three-way flange seal head comprises a seal head disc and three flange pipes internally provided with channels, the middle part of the seal head disc is rotatably connected with the buffer rotary tank, one end of each flange pipe is connected with the seal head disc, the channels in the three flange pipes correspond to the three first vent holes, and the other end of each flange pipe is provided with a flange part.
7. The VOCs gas treatment apparatus according to claim 6, wherein: the three flange pipes are uniformly distributed relative to the circumference of the central shaft of the end socket plate.
8. The VOCs gas treatment apparatus according to claim 1, wherein: the air inlet and the air outlet are both provided with connecting flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811504188.8A CN109579029B (en) | 2018-12-10 | 2018-12-10 | VOCs gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811504188.8A CN109579029B (en) | 2018-12-10 | 2018-12-10 | VOCs gas treatment device |
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| CN109579029A CN109579029A (en) | 2019-04-05 |
| CN109579029B true CN109579029B (en) | 2023-09-29 |
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