CN211913235U - Organic waste gas recovery system - Google Patents
Organic waste gas recovery system Download PDFInfo
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- CN211913235U CN211913235U CN201922423466.3U CN201922423466U CN211913235U CN 211913235 U CN211913235 U CN 211913235U CN 201922423466 U CN201922423466 U CN 201922423466U CN 211913235 U CN211913235 U CN 211913235U
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Abstract
The utility model discloses an organic waste gas recovery system, including alternate adsorption and desorption subassembly, alternate adsorption and desorption subassembly includes first adsorption bed and second adsorption bed, first adsorption bed is provided with the first steam coil pipe that has first steam inlet and first steam outlet, the second adsorption bed is provided with the second steam coil pipe that has second steam inlet and second steam outlet, the characteristics are that first steam inlet communicates with the delivery outlet of external cooling water device through the first inlet tube that is provided with first water inlet control valve, the second steam inlet communicates with the delivery outlet of external cooling water device through the second inlet tube that is provided with the second water inlet control valve, first steam outlet communicates with the first drain pipe that is provided with first drain control valve, the second steam outlet communicates with the second drain pipe that is provided with second drain control valve; the method has the advantages of high cooling efficiency, low operation cost and safe use in the desorption process.
Description
Technical Field
The utility model relates to a waste gas recovery system, especially an organic waste gas recovery system.
Background
Most of the existing organic waste gas recovery technologies adopt activated carbon adsorption, and steam is directly introduced into an activated carbon adsorption bed to heat and analyze the activated carbon, wherein two adsorption beds are generally arranged to alternately perform adsorption and desorption; however, after the desorption process, in order to avoid the separation of the welding line of the adsorption bed caused by too large temperature difference, usually, the desorbed mixed gas is cooled after heat exchange through a cooler, and then is introduced into the adsorption bed for circulating cooling until the temperature inside the adsorption bed is reduced to the normal temperature, so as to switch to the adsorption mode, and the cooling mode has low cooling efficiency and long time consumption, thereby increasing the operation cost; the adsorption bed can produce the adsorption heat when adsorption work, in case control is not good, has the potential safety hazard of catching fire easily, and current adsorption bed structure leads to adsorption work and cooling work to go on simultaneously owing to often adopt cooling blower circulative cooling behind desorption work, consequently can not be fine solution this problem, in case the adsorption bed is on fire, can bring great economic loss for the user.
Disclosure of Invention
The utility model aims to solve the technical problem that an organic waste gas recovery system that desorption in-process cooling efficiency is high, the running cost is lower and safe in utilization is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an organic waste gas recovery system comprises an alternate adsorption and desorption assembly, wherein the alternate adsorption and desorption assembly comprises a first adsorption bed and a second adsorption bed, the first adsorption bed is provided with a first steam coil pipe with a first steam inlet and a first steam outlet, the second adsorption bed is provided with a second steam coil pipe with a second steam inlet and a second steam outlet, the first steam inlet is communicated with an output port of an external steam input device through a first steam inlet pipe provided with a first steam inlet control valve, the second steam inlet is communicated with an output port of the external steam input device through a second steam inlet pipe provided with a second steam inlet control valve, the first steam outlet is communicated with a first steam exhaust pipe provided with a first steam exhaust control valve, the second steam outlet is communicated with a second steam exhaust pipe provided with a second steam exhaust control valve, first steam import through be provided with the first inlet tube of first water inlet control valve and the delivery outlet intercommunication of external cooling water device, second steam import through be provided with the second inlet tube of second water inlet control valve and the delivery outlet intercommunication of external cooling water device, first steam export and the first drain pipe intercommunication that is provided with first drain control valve, second steam export and the second drain pipe intercommunication that is provided with second drain control valve.
The alternate adsorption and desorption component also comprises an adsorption component, a desorption component and a cooling component, wherein the adsorption component comprises a first adsorption inlet control valve, a first adsorption outlet control valve, a second adsorption inlet control valve, a second adsorption outlet control valve and a first fan, an input port of the first adsorption bed is sequentially communicated with the first adsorption inlet control valve and an external organic waste gas input port through pipelines, an output port of the first adsorption bed is sequentially communicated with the first adsorption outlet control valve and an input port of the first fan through pipelines, an input port of the second adsorption bed is sequentially communicated with the second adsorption inlet control valve and an external organic waste gas input port through pipelines, an output port of the second adsorption bed is sequentially communicated with the second adsorption outlet control valve and an input port of the first fan through pipelines, the output port of the first fan is communicated with an external waste gas treatment device;
the desorption component comprises a first desorption inlet control valve, a first desorption outlet control valve, a second desorption inlet control valve, a second desorption outlet control valve, a second fan, a first condenser and a first storage tank, the input port of the first adsorption bed is communicated with the first desorption outlet control valve, the input port and the output port of the second fan, the first condenser, the first desorption inlet control valve and the output port of the first adsorption bed through pipelines in sequence to form a desorption loop of the first adsorption bed, the input port of the second adsorption bed is communicated with the second desorption outlet control valve, the input port and the output port of the second fan, the first condenser, the second desorption inlet control valve and the output port of the second adsorption bed through pipelines in sequence to form a desorption loop of the second adsorption bed, the liquid outlet of the first condenser is communicated with the interior of the first storage tank through a pipeline;
the cooling assembly comprises a first cooler, a third fan, a first cooling inlet control valve, a first cooling outlet control valve, a second cooling inlet control valve and a second cooling outlet control valve, the input port of the first adsorption bed is communicated with the first cooling outlet control valve, the first cooler, the input port and the output port of the third fan, the first cooling inlet control valve and the output port of the first adsorption bed in turn through pipelines to form a cooling loop of the first adsorption bed, and the input port of the second adsorption bed is communicated with the second cooling outlet control valve, the input port and the output port of the first cooler, the third fan, the second cooling inlet control valve and the output port of the second adsorption bed in sequence through pipelines to form a cooling loop of the second adsorption bed. First adsorption bed adsorbs and desorption work with the second adsorption bed in turn, guarantees to go on continuously to organic waste gas's recovery process, effectively promotes work efficiency, wherein, through opening and closing of each control valve of ripe PLC control technology control.
The desorption assembly further comprises a second cooler and a second storage tank, the second storage tank is provided with an input port located on the side portion and an output port located on the upper portion, the input port and the output port of the second storage tank are respectively communicated with the interior of the second storage tank, the input port of the second cooler is sequentially communicated with the first desorption outlet control valve and the input port of the first adsorption bed through pipelines, the input port of the second cooler is further sequentially communicated with the second desorption outlet control valve and the input port of the second adsorption bed through pipelines, the output port of the second cooler is communicated with the input port of the second storage tank through a pipeline, and the output port of the second storage tank is communicated with the input port of the second fan through a pipeline. The discharged gas mixture after desorption is primarily cooled through the second cooler, and partial liquid organic substances can be obtained to reduce the gas mixture amount of a part of the gas mixture entering the second fan, so that the required scale of the second fan is reduced to reduce the overall cost, and meanwhile, the gas pressure inside the first adsorption bed or the second adsorption bed which is desorbing can be reduced to a certain extent, and the desorption efficiency is effectively improved.
The temperature range of the cooling water conveyed by the external cooling water device is 25-30 ℃.
Compared with the prior art, the utility model has the advantages that the first steam inlet is communicated with the output port of the external cooling water device through the first water inlet pipe provided with the first water inlet control valve, the second steam inlet is communicated with the output port of the external cooling water device through the second water inlet pipe provided with the second water inlet control valve, the first steam outlet is communicated with the first drain pipe provided with the first drain control valve, and the second steam outlet is communicated with the second drain pipe provided with the second drain control valve, wherein the first drain pipe and the second drain pipe can be directly discharged, and can also be connected into the external cooling water device for circulating cooling; when the desorption operation is finished, the temperature range of the desorption operation is generally 100-120 ℃, the temperature of mixed gas subjected to heat exchange and cooling by the first cooler outside the adsorption bed is not greatly different from the temperature range of the desorption operation, so that the welding line inside the adsorption bed can be effectively protected, the temperature range of cooling water conveyed by the external cooling water device is generally 25-30 ℃, and in the cooling operation of the second stage, the cooling water is directly positioned in the steam coil inside the adsorption bed to cool the inside of the adsorption bed, therefore, the environment in the adsorption bed after the primary cooling operation of the first stage is carried out to the set first cooling temperature can be rapidly cooled until the set second cooling temperature is reached, so that the overall cooling time is shortened, the cooling efficiency is greatly improved, and the operation cost is greatly reduced;
the existing first steam coil and the existing second steam coil are utilized in the second-stage cooling work, so that the existing structure is not greatly changed, and the installation and the forming are convenient and quick;
when the adsorption bed is switched to carry out adsorption work, cooling water is continuously introduced into the corresponding steam coil for cooling, heat generated during adsorption work is absorbed, adsorption efficiency is effectively improved, the adsorption bed is guaranteed to work below safe temperature, and use safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: an organic waste gas recovery system comprises an alternate adsorption and desorption assembly, the alternate adsorption and desorption assembly comprises a first adsorption bed 1 and a second adsorption bed 2, the first adsorption bed 1 is provided with a first steam coil 11 with a first steam inlet 111 and a first steam outlet 112, the second adsorption bed 2 is provided with a second steam coil 21 with a second steam inlet 211 and a second steam outlet 212, the first steam inlet 111 is communicated with an output port of an external steam input device (not shown) through a first steam inlet pipe 12 provided with a first steam inlet control valve 121, the second steam inlet 211 is communicated with an output port of the external steam input device through a second steam inlet pipe 22 provided with a second steam inlet control valve 221, the first steam outlet 112 is communicated with a first steam outlet pipe 13 provided with a first steam outlet control valve 131, the second steam outlet 212 is communicated with a second steam outlet pipe 23 provided with a second steam outlet control valve 231, the first steam inlet 111 is communicated with an output port of an external cooling water device (not shown) through a first water inlet pipe 14 provided with a first water inlet control valve 141, the second steam inlet 211 is communicated with an output port of an external cooling water device through a second water inlet pipe 24 provided with a second water inlet control valve 241, the first steam outlet 112 is communicated with a first drain pipe 15 provided with a first drain control valve 151, the second steam outlet 212 is communicated with a second drain pipe 25 provided with a second drain control valve 251,
the alternate adsorption and desorption component also comprises an adsorption component, a desorption component and a cooling component, the adsorption component comprises a first adsorption inlet control valve 31 and a first adsorption outlet control valve 32, a second adsorption inlet control valve 33, a second adsorption outlet control valve 34 and a first fan 35, wherein the input port of the first adsorption bed 1 is sequentially communicated with the first adsorption inlet control valve 31 and the external organic waste gas input port through pipelines, the output port of the first adsorption bed 1 is sequentially communicated with the first adsorption outlet control valve 32 and the input port of the first fan 35 through pipelines, the input port of the second adsorption bed 2 is sequentially communicated with the second adsorption inlet control valve 33 and the external organic waste gas input port through pipelines, the output port of the second adsorption bed 2 is sequentially communicated with the second adsorption outlet control valve 34 and the input port of the first fan 35 through pipelines, and the output port of the first fan 35 is communicated with an external waste gas treatment device (not shown);
the desorption assembly comprises a first desorption inlet control valve 41, a first desorption outlet control valve 42, a second desorption inlet control valve 43, a second desorption outlet control valve 44, a second fan 45, a first condenser 46 and a first storage tank 47, an input port of the first adsorption bed 1 is sequentially communicated with an input port and an output port of the first desorption outlet control valve 42, the second fan 45, the first condenser 46, the first desorption inlet control valve 41 and an output port of the first adsorption bed 1 through pipelines to form a desorption loop of the first adsorption bed 1, an input port of the second adsorption bed 2 is sequentially communicated with an input port and an output port of the second desorption outlet control valve 44, the second fan 45, the first condenser 46, the second desorption inlet control valve 43 and an output port of the second adsorption bed 2 through pipelines to form a desorption loop of the second adsorption bed 2, and a liquid outlet of the first condenser 46 is communicated with the inside of the first storage tank 47 through pipelines;
the cooling assembly includes a first cooler 51, a third fan 52, a first cooling inlet control valve 53, a first cooling outlet control valve 54, a second cooling inlet control valve 55 and a second cooling outlet control valve 56, an input port of the first adsorption bed 1 is sequentially communicated with input ports and output ports of the first cooling outlet control valve 54, the first cooler 51 and the third fan 52, the first cooling inlet control valve 53 and an output port of the first adsorption bed 1 through pipelines to form a cooling loop of the first adsorption bed 1, an input port of the second adsorption bed 2 is sequentially communicated with an input port and output port of the second cooling outlet control valve 56, the first cooler 51 and the third fan 52, and an output port of the second cooling inlet control valve 55 and an output port of the second adsorption bed 2 through pipelines to form a cooling loop of the second adsorption bed 2, wherein the temperature range of cooling water conveyed by the external cooling water device is 25-30 ℃.
Example two: the rest of the components are the same as the first embodiment, except that the desorption assembly further comprises a second cooler 61 and a second storage tank 62, the second storage tank 62 is provided with an input port at the side part and an output port at the upper part, the input port and the output port of the second storage tank 62 are respectively communicated with the inside of the second storage tank 62, the input port of the second cooler 61 is sequentially communicated with the first desorption outlet control valve 42 and the input port of the first adsorption bed 1 through a pipeline, the input port of the second cooler 61 is also sequentially communicated with the second desorption outlet control valve 44 and the input port of the second adsorption bed 2 through a pipeline, the output port of the second cooler 61 is communicated with the input port of the second storage tank 62 through a pipeline, and the output port of the second storage tank 62 is communicated with the input port of the second fan 45 through a pipeline.
Claims (4)
1. An organic waste gas recovery system comprises an alternate adsorption and desorption assembly, wherein the alternate adsorption and desorption assembly comprises a first adsorption bed and a second adsorption bed, the first adsorption bed is provided with a first steam coil pipe with a first steam inlet and a first steam outlet, the second adsorption bed is provided with a second steam coil pipe with a second steam inlet and a second steam outlet, the first steam inlet is communicated with an output port of an external steam input device through a first steam inlet pipe provided with a first steam inlet control valve, the second steam inlet is communicated with an output port of the external steam input device through a second steam inlet pipe provided with a second steam inlet control valve, the first steam outlet is communicated with a first steam exhaust pipe provided with a first steam exhaust control valve, the second steam outlet is communicated with a second steam exhaust pipe provided with a second steam exhaust control valve, the steam-water separator is characterized in that a first steam inlet is communicated with an output port of an external cooling water device through a first water inlet pipe provided with a first water inlet control valve, a second steam inlet is communicated with an output port of the external cooling water device through a second water inlet pipe provided with a second water inlet control valve, the first steam outlet is communicated with a first water discharge pipe provided with a first water discharge control valve, and the second steam outlet is communicated with a second water discharge pipe provided with a second water discharge control valve.
2. The organic waste gas recovery system of claim 1, wherein the alternate adsorption and desorption assembly further comprises an adsorption assembly, a desorption assembly and a cooling assembly, the adsorption assembly comprises a first adsorption inlet control valve, a first adsorption outlet control valve, a second adsorption inlet control valve, a second adsorption outlet control valve and a first fan, the input port of the first adsorption bed is sequentially communicated with the first adsorption inlet control valve and the external organic waste gas input port through a pipeline, the output port of the first adsorption bed is sequentially communicated with the first adsorption outlet control valve and the input port of the first fan through a pipeline, the input port of the second adsorption bed is sequentially communicated with the second adsorption inlet control valve and the external organic waste gas input port through a pipeline, and the output port of the second adsorption bed is sequentially connected with the second adsorption outlet control valve and the input port of the first fan through a pipeline The output port of the first fan is communicated with an external waste gas treatment device;
the desorption component comprises a first desorption inlet control valve, a first desorption outlet control valve, a second desorption inlet control valve, a second desorption outlet control valve, a second fan, a first condenser and a first storage tank, the input port of the first adsorption bed is communicated with the first desorption outlet control valve, the input port and the output port of the second fan, the first condenser, the first desorption inlet control valve and the output port of the first adsorption bed through pipelines in sequence to form a desorption loop of the first adsorption bed, the input port of the second adsorption bed is communicated with the second desorption outlet control valve, the input port and the output port of the second fan, the first condenser, the second desorption inlet control valve and the output port of the second adsorption bed through pipelines in sequence to form a desorption loop of the second adsorption bed, the liquid outlet of the first condenser is communicated with the interior of the first storage tank through a pipeline;
the cooling assembly comprises a first cooler, a third fan, a first cooling inlet control valve, a first cooling outlet control valve, a second cooling inlet control valve and a second cooling outlet control valve, the input port of the first adsorption bed is communicated with the first cooling outlet control valve, the first cooler, the input port and the output port of the third fan, the first cooling inlet control valve and the output port of the first adsorption bed in turn through pipelines to form a cooling loop of the first adsorption bed, and the input port of the second adsorption bed is communicated with the second cooling outlet control valve, the input port and the output port of the first cooler, the third fan, the second cooling inlet control valve and the output port of the second adsorption bed in sequence through pipelines to form a cooling loop of the second adsorption bed.
3. An organic waste gas recovery system according to claim 2, wherein the desorption assembly further comprises a second cooler and a second storage tank, the second storage tank is provided with an input port positioned on the side part and an output port positioned on the upper part, the input port and the output port of the second storage tank are respectively communicated with the interior of the second storage tank, the input port of the second cooler is communicated with the first desorption outlet control valve and the input port of the first adsorption bed in turn through pipelines, the input port of the second cooler is also communicated with the second desorption outlet control valve and the input port of the second adsorption bed in turn through pipelines, the output port of the second cooler is communicated with the input port of the second storage tank through a pipeline, and the output port of the second storage tank is communicated with the input port of the second fan through a pipeline.
4. The organic waste gas recovery system according to claim 3, wherein the temperature of the cooling water supplied from the external cooling water device is in the range of 25 to 30 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922423466.3U CN211913235U (en) | 2019-12-29 | 2019-12-29 | Organic waste gas recovery system |
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| CN201922423466.3U CN211913235U (en) | 2019-12-29 | 2019-12-29 | Organic waste gas recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001262A (en) * | 2019-12-29 | 2020-04-14 | 宁波弘景环保科技有限公司 | Organic waste gas recovery system and organic waste gas recovery method |
| CN113908581A (en) * | 2021-09-30 | 2022-01-11 | 北京北方华创微电子装备有限公司 | Semiconductor device and liquid discharge device thereof |
-
2019
- 2019-12-29 CN CN201922423466.3U patent/CN211913235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001262A (en) * | 2019-12-29 | 2020-04-14 | 宁波弘景环保科技有限公司 | Organic waste gas recovery system and organic waste gas recovery method |
| CN111001262B (en) * | 2019-12-29 | 2023-11-21 | 宁波弘景环保科技有限公司 | Organic waste gas recovery system and organic waste gas recovery method |
| CN113908581A (en) * | 2021-09-30 | 2022-01-11 | 北京北方华创微电子装备有限公司 | Semiconductor device and liquid discharge device thereof |
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