Waste gas collecting method

A waste gas collection and controller technology, which is applied in cleaning methods and appliances, chemical instruments and methods, and dust removal, etc., can solve problems such as failure, weakened treatment methods, and waste gas escape, so as to achieve effective emissions, reduce the total amount of exhaust air, Power Saving Effect

Active Publication Date: 2019-05-28
万向新元绿柱石(天津)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the driving of the parts and the influence of the temperature of the solution in the tank, the original treatment method will be weakened or invalid during the lifting process, causing the exhaust gas to escape into the external environment with the lifting of the parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] Embodiment 1: To compare the parameters of this structure and the conventional exhaust fan mechanism, the experimental conditions are set as follows.

[0085] 1. Surface area of ​​ventilation test tank: 1.5*0.8m

[0086] 2. Air cover 22 on both sides of the groove: traditional slit type air cover 22 and exhaust fan 6 of this structure

[0087] 3. Fan 6: exhaust air volume 2456m3 / h, wind pressure 1100Pa

[0088] 4. Chimney 7 outlet: the diameter is 315mm.

[0089] 5. Test bath: 75-85 degrees hot water

[0090] The following table is a comparison table of the suction parameters of the traditional slit-type windshield 22 and the exhaust fan 6 mechanism of the present structure.

[0091]

[0092]

[0093] As can be seen from the table above, the traditional air cover 22 and fan 6 are in the high-speed operation state of 50HZ for a long time, and there is still a lot of steam and exhaust gas overflowing from the liquid surface of the solution tank 1, resulting in a ...

Embodiment 2

[0094] Embodiment 2: The driving assembly 21 can be a driving cylinder and a connecting rod structure. On the premise that the space permits, it can directly drive the flap 24 to move through the driving cylinder to realize the rotation of the flap 24, and then realize the opening and closing of the flap 24 Action, if the space is limited, the drive cylinder can realize the action of the turnover plate 24 through the connection structure.

Embodiment 3

[0095] Embodiment 3: The driving assembly 21 can be a rack and pinion structure, and a gear is arranged coaxially on the turning shaft of the turning plate 24, and a rack is arranged to mesh with the gear, and the rack moves up and down under the action of the cylinder or the motor screw to drive the gear Rotate, realized the rotation of turning plate 24.

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Abstract

The invention provides a waste gas collecting method. An intelligent control system, a variable-frequency fan system, a ventilation system and a tank cover system are included; the intelligent controlsystem comprises a controller and a lifting system in linkage with the controller; when a tank cover of the tank cover system is required to be closed according to process parameters of a crane lifting system, the controller of the intelligent control system controls the tank cover to be closed, and meanwhile, the variable-frequency fan system is controlled to be in the low-energy-consumption state; when the tank cover of the tank cover system is required to be opened according to the process parameters of the crane lifting system, the controller of the intelligent control system controls thetank cover to be opened, meanwhile, the variable-frequency fan system is controlled to work, and waste gas inside a solution tank is discharged through the ventilation system. With the waste gas collecting method, the total waste gas discharging amount is reduced, the fan power is reduced, the method is beneficial to the health of operators, and the national energy conservation, emission reduction, clean production and environmental protection concepts are conformed.

Description

technical field [0001] The invention belongs to the field of waste gas collection, and in particular relates to a method for collecting waste gas. Background technique [0002] Slot side exhaust is the most common type of local exhaust. The exhaust hood and exhaust port are located on the side of the trough that needs to be exhausted. The exhaust hood and the exhaust main pipe are connected by air ducts and PVC hoses. The exhaust air volume of the tank depends on the exposed area of ​​the solution in the air, so the method of covering the liquid surface can reduce the air exhaust volume if possible. The exhaust air volume is represented by solution surface area × solution surface wind speed × bath temperature coefficient K. The recommended value of the solution surface wind speed in the electroplating manual is 0.2-0.8m / s. The height of the exhaust outlet of the side wind cover is related to the slot width, and the height of the exhaust outlet is generally taken as 18% of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D21/04C25D17/00B08B15/02
Inventor 庞义
Owner 万向新元绿柱石(天津)科技有限公司
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