CN209968038U - Renewable powder spraying device for removing VOCs - Google Patents
Renewable powder spraying device for removing VOCs Download PDFInfo
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- CN209968038U CN209968038U CN201920182736.3U CN201920182736U CN209968038U CN 209968038 U CN209968038 U CN 209968038U CN 201920182736 U CN201920182736 U CN 201920182736U CN 209968038 U CN209968038 U CN 209968038U
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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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- 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
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Abstract
The utility model relates to a renewable powder spraying device for removing VOCs, which comprises a waste gas treatment device body, an exhaust funnel, a powder storage tank, a desorption gas source and a post-desorption gas treatment device; a powder filtering component and a powder spraying component are arranged in the waste gas treatment device body, and the powder filtering component is positioned above the powder spraying component; the exhaust funnel passes through the fan with the gas outlet of exhaust treatment device body passes through the pipe connection, the ash bucket bottom of exhaust treatment device body pass through powder conveying equipment with the powder storage tank passes through the pipe connection, the powder storage tank with the desorption air supply passes through the pipe connection, the solid export of powder storage tank passes through the pipeline and inserts in the dusting pipeline between the equipment of dusting and the subassembly of dusting. The utility model discloses simple structure, the cyclic utilization's that can regenerate powder makes the utility model discloses a cost reduction, and resources are saved and friendly to the environment.
Description
Technical Field
The utility model relates to a dusting removes the VOCs field, especially relates to a device that VOCs was removed in dusting can be regenerated.
Background
VOCs are an abbreviation for volatile organic compounds (volalite organic compounds) and commonly include benzene, toluene, xylene, styrene, trichloroethylene, trichloromethane, trichloroethane, diisocyanate, and the like. With the continuous improvement of the industrialization degree, the pollution of the VOCs tends to be further expanded, and in order to respond to the national environmental protection policy, various VOCs waste gas removing methods are developed by people. The method for removing VOCs by spraying powder is also widely used for removing VOCs waste gas, however, the conventional method for removing VOCs by spraying powder needs a large amount of powder to adsorb VOCs, and the adsorbed powder cannot be effectively treated, so that resource waste and secondary pollution are often caused.
In view of the above problems, there is an urgent need to provide a method and a device for removing VOCs by using renewable powder injection, wherein the method comprises collecting and desorbing the powder after saturation adsorption by using a gas-solid separation technology, so that the powder can be recycled after regeneration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at dusting now and remove that powder consumes too big in the VOCs method, the wasting of resources and the secondary pollution that cause provide one kind through gas-solid separation technique, carry out desorption processing after the powder after will adsorbing saturation is collected, make powder regeneration back cyclic utilization's the device that can regenerate dusting and remove VOCs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a renewable powder spraying device for removing VOCs, which comprises a waste gas treatment device body, an exhaust funnel, a powder storage tank, a desorption gas source and a post-desorption gas treatment device; the waste gas treatment device comprises a waste gas treatment device body, a powder filtering component and a powder spraying component, wherein the powder filtering component and the powder spraying component are arranged in the waste gas treatment device body; the exhaust funnel passes through the fan through the pipeline with the gas outlet of exhaust treatment device body is connected, the ash bucket bottom of exhaust treatment device body pass through the pipeline through powder conveying equipment and be connected with the powder storage tank, the powder storage tank pass through the pipeline with the desorption air supply is connected, the solid export of powder storage tank passes through the pipeline and inserts in the dusting pipeline between the equipment of dusting and the subassembly of dusting.
Further, the air inlet of the waste gas treatment device body is arranged between the powder spraying component and the ash bucket.
Further, the gas outlet of the powder storage tank is connected with the desorbed gas treatment equipment through a pipeline.
Furthermore, the powder filtering component is selected from one or more of a filter bag, a filter cylinder and a plate type filter element for matching use.
Further, the desorbed gas treatment equipment is one or more selected from a catalytic combustion device (RCO), a Regenerative Thermal Oxidation (RTO), a condensation recovery device, a biological purification device, a low-temperature plasma device, a photocatalytic oxidation device and a liquid absorption device.
Furthermore, the device also comprises a throttle valve arranged on each connecting pipeline.
Has the advantages that: the utility model provides a pair of can regenerate powder removes device of VOCs, through inciting somebody to action absorption VOCs's in the exhaust-gas treatment device body powder is carried the desorption processing is carried to the powder storage tank, obtains can spray absorbent powder once more, and through the power that the equipment of dusting provided, the powder after will desorbing is carried realize the cyclic utilization of powder in the mixing of exhaust-gas treatment device body dusting. The utility model has simple structure, and the powder which can be recycled reduces the cost of the invention, saves resources and is environment-friendly.
Drawings
Fig. 1 is a schematic overall flow diagram of a renewable powder-spraying and VOCs-removing device of the present invention;
fig. 2 is a schematic structural diagram of a device for removing VOCs by using renewable powder injection of the present invention;
the reference numerals in the above description denote descriptions:
1-powder filtering component; 2-powder spraying component; 3-air inlet; 4-an exhaust gas treatment device body; 5-ash bucket; 6-gas outlet; 7-a fan; 8-an exhaust funnel; 9-an adsorbed gas delivery line; 10-adsorption of a gas source; 11-a saturated powder conveying pipeline; 12-saturated powder conveying equipment; 13-powder spraying pipeline; 14-powder spraying equipment; 15-a desorbed gas delivery pipeline; 16-post-desorption gas treatment equipment; 17-powder storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in fig. 1-2, a renewable powder-spraying device for removing VOCs comprises a waste gas treatment device body 4, an exhaust funnel 8, a powder storage tank 17, a desorption gas source 10 and a post-desorption gas treatment device 16; the waste gas treatment device comprises a waste gas treatment device body 4, a powder filtering component 1 and a powder spraying component 2, wherein the powder filtering component 1 is arranged in the waste gas treatment device body 4, and the powder filtering component 1 is positioned above the powder spraying component 2; the exhaust funnel 8 is connected with a gas outlet of the waste gas treatment device body 4 through a pipeline by a fan 7, the bottom end of an ash hopper 5 of the waste gas treatment device body 4 is connected with a powder storage tank 17 through a pipeline by powder conveying equipment 12, the powder storage tank 17 is connected with a desorption gas source 10 through a pipeline, and a solid outlet of the powder storage tank 17 is connected into a powder spraying pipeline 13 between the powder spraying equipment 14 and the powder spraying component 2 through a pipeline.
In a preferred embodiment of the present invention, the air inlet 3 of the exhaust gas treatment device body 4 is disposed between the powder spraying component 2 and the ash hopper 5. Waste gas enters from the air inlet 3, VOCs in the waste gas are adsorbed on the powder, and the powder falls into the bottom end of the ash hopper 5 under the influence of gravity due to large mass of the powder.
In a preferred embodiment of the present invention, the gas outlet of the powder storage tank 17 is connected to the desorbed gas processing equipment 16 through a pipeline. And the VOCs desorbed in the powder storage tank 17 enters the desorbed gas treatment equipment 16 along with the gas to be treated, so that the aim of eliminating the VOCs is fulfilled.
In a preferred embodiment of the present invention, the powder filter assembly 1 is a filter cartridge. Particularly, in the utility model discloses in powder filtering component's application principle is the bag-type dust removal principle.
In a preferred embodiment of the present invention, the post-desorption gas treatment device 16 is a condensation recovery device.
The method for adopting the device for removing VOCs by using renewable powder injection of the embodiment comprises the following steps:
VOCs waste gas is sucked from the air inlet 3 of the waste gas treatment device body 4 under the negative pressure action of the fan 7 and is mixed with activated carbon sprayed by the powder spraying component 2 to obtain a mixture of powder and gas; the powder spraying and mixing are that powder and harmful substances in the waste gas are subjected to physical or chemical reaction to adsorb and neutralize volatile organic compounds in the waste gas, so that the aim of removing VOCs is fulfilled.
Then, the mixture of the powder and the gas realizes gas-solid separation through the powder filtering component 1 on the upper part of the waste gas treatment device body 4 to obtain powder with adsorbed VOCs and gas without VOCs, the powder with adsorbed VOCs is left in the waste gas treatment device body 4, and the gas without VOCs after the gas-solid separation treatment is discharged into the atmosphere after reaching the standard through the gas outlet 6 of the waste gas treatment device body 4 through the exhaust funnel 8 by the fan 7. The inside powder that adsorbs to have VOCs of exhaust treatment device body 4 adsorbs the saturation back and subsides naturally 5 bottoms of ash bucket of exhaust treatment device body 4 to in being sent to powder storage tank 17 through saturated powder pipeline 11 by powder conveying equipment 12, work as when the powder that adsorbs to have VOCs in the powder storage tank 17 reaches the settlement capacity, high temperature nitrogen gas is carried by desorption gas pipeline 9 in the desorption air supply 10 powder storage tank 17, and is right the powder that adsorbs to have VOCs in the powder jar body 17 carries out high temperature nitrogen gas desorption.
Finally, the desorbed VOCs are conveyed to a desorbed gas treatment device 16 by a desorbed gas conveying pipeline 15 for high-concentration waste gas treatment; the powder after desorption treatment is conveyed to the powder spraying component 2 through a powder spraying pipeline 13 by power generated by a powder spraying device 14, and is used as the powder mixed with the powder spraying, so that the regeneration and the recycling of the powder are realized.
The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (5)
1. A device capable of regenerating powder spraying and removing VOCs is characterized by comprising a waste gas treatment device body (4), an exhaust funnel (8), a powder storage tank (17), a desorption gas source (10) and a post-desorption gas treatment device (16); the waste gas treatment device comprises a waste gas treatment device body (4), wherein a powder filtering component (1) and a powder spraying component (2) are arranged in the waste gas treatment device body (4), and the powder filtering component (1) is positioned above the powder spraying component (2); the exhaust funnel (8) through fan (7) pass through the pipeline with the gas outlet of exhaust-gas treatment device body (4) is connected, ash bucket (5) bottom of exhaust-gas treatment device body (4) pass through the pipeline through powder conveying equipment (12) with powder storage tank (17) are connected, powder storage tank (17) pass through the pipeline with desorption air supply (10) are connected, the solid export of powder storage tank (17) pass through the pipeline insert powder spraying equipment (14) with in the powder spraying pipeline (13) between powder spraying component (2).
2. A regenerative powder-spraying VOCs removal device as claimed in claim 1, wherein the air inlet (3) of the exhaust gas treatment device body (4) is arranged between the powder-spraying assembly (2) and the ash hopper (5).
3. The device for removing VOCs through renewable powder injection according to claim 1, wherein a gas outlet of the powder storage tank (17) is connected with the post-desorption gas treatment equipment (16) through a pipeline.
4. The device for removing VOCs through renewable powder injection according to claim 1, wherein the powder filtering component (1) is one or more selected from a filter bag, a filter cartridge and a plate filter element.
5. The device for regenerable powder injection and removal of VOCs of claim 1, wherein said post-desorption gas treatment device (16) is one or more selected from the group consisting of a catalytic combustion device, a regenerative thermal oxidizer, a condensation recovery device, a biological purification device, a low temperature plasma device, a photocatalytic oxidation device, and a liquid absorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182736.3U CN209968038U (en) | 2019-02-01 | 2019-02-01 | Renewable powder spraying device for removing VOCs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182736.3U CN209968038U (en) | 2019-02-01 | 2019-02-01 | Renewable powder spraying device for removing VOCs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209968038U true CN209968038U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920182736.3U Active CN209968038U (en) | 2019-02-01 | 2019-02-01 | Renewable powder spraying device for removing VOCs |
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|---|---|
| CN (1) | CN209968038U (en) |
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2019
- 2019-02-01 CN CN201920182736.3U patent/CN209968038U/en active Active
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