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Waste liquid and waste gas treatment system

A technology for waste gas treatment and waste liquid, which is applied in the direction of gaseous effluent wastewater treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc. It can solve problems such as high process requirements, environmental pollution, and inability to apply in large quantities

Pending Publication Date: 2019-05-31
广州益禄丰生态环保科技有限责任公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As the odor from sewage treatment plants, odor from composting workshops and garbage transfer stations, waste gas from production workshops of food and feed processing plants, kitchen fumes, etc. will cause obvious pollution and impact on the environment, traditional physical or chemical deodorization methods have large investment, Environmental pollution, complex operation and other issues, the biological deodorization method came into being in the 1950s, because of its high operating efficiency, environmental friendliness, low investment, and easy operation, the biological deodorization method was developed in the 1980s to 1990s The rapid development of the age has become the main method to deal with bad gas
However, the existing biological deodorization method has complicated procedures and high process requirements, and cannot be applied in large quantities in ordinary life.

Method used

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  • Waste liquid and waste gas treatment system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Combined with the actual project, the design of the cold process side suction hood in the external hood is adopted to facilitate the installation of pipes and fans. The exhaust air volume of the side suction hood is determined by the control speed method, and its start-up is based on the pressure of the production workshop. Sensors and odor detectors are connected to the PLC control system for automatic control. The control parameters are as follows:

[0040] The pressure loss and velocity distribution of the exhaust hood depend on the expansion angle θ of the exhaust hood. When the θ angle is 30°~60°, the pressure loss reaches the minimum. Considering the tuyere velocity of the hood, the specific structure, and the pressure loss comprehensively, θ is taken as 60°. At this time, ζ 0 =0.16

[0041]

[0042] In the formula:

[0043] ζ——local resistance coefficient;

[0044] V——wind speed of the hood, m / s;

[0045] ρ——gas density, kg / m 3 .

Embodiment 2

[0047] The diameter of the spray tower is determined by the flue gas volume in the tower, and the gas flow rate in the spray tower is guaranteed to be less than or equal to 4m / s. Since the flue gas volume is a definite value in the design, the flow rate of the flue gas in the spray tower depends on the area of ​​the spray tower. When the flow rate increases, the diameter of the tower decreases and the engineering cost decreases, which is conducive to the heat transfer and mass transfer. However, if the residence time of the gas in the tower is too short, the absorption efficiency will decrease. When the flow rate decreases, the diameter of the absorption tower increases, and the low flow rate is not conducive to the effect of heat and mass transfer. The phenomenon of "escape" of the dripping liquid in the demister is more obvious, but the gas stays in the tower for a long time and the reaction is relatively sufficient. The case of the present invention selects the intake air v...

Embodiment 3

[0055] The ecological filter bed micro-irrigation system is composed of water source, head hub, water transmission and distribution pipe network and sprinkler, as well as flow pressure control components and measuring instruments, and is connected with the PLC automatic control system.

[0056] a. Pipelines are divided into three levels: main pipes, branch pipes and capillary pipes. The main pipes are set according to the elevation, the main branch pipes are set according to the short side parallel to the short side of the rectangular container, and the capillary pipes are arranged according to the long side parallel to the container. For setting, the length of each branch pipe is 6.0m, and the interval distance is 1.0m.

[0057] b. Set a capillary tube for any row of plants, install a sprinkler for a certain plant area, set the outlet of the small tube in the plant ring ditch, use a special puncher to punch a Ф4 hole in the capillary tube, so that the current stabilizer and th...

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Abstract

The invention provides a waste liquid and waste gas treatment system, which comprises a spraying tower and a biological filtering bed connected with the spraying tower, wherein a sensing device and acentral control part which are connected with each other are mounted in the system; a preliminary filtering component is arranged inside the spraying tower; a water inlet path and an air inlet path are connected to the spraying tower; the spraying tower is communicated with the reaction groove through a water outlet path and an air outlet path; and a depth filtering component is arranged in the biological filtering bed. The combination of the spraying tower and the biological filtering bed to realize the coupling of waste gas treatment process and wastewater spraying treatment process is an innovative technology in the field of environmental protection, so that the system has a wide application prospect.

Description

technical field [0001] The invention relates to the field of gas-liquid filtration and purification, in particular to a waste liquid and gas treatment system. Background technique [0002] Due to the odor of sewage treatment plants, odor of composting workshops and garbage transfer stations, waste gas of production workshops of food and feed processing plants, kitchen fumes, etc. will cause obvious pollution and impact on the environment, traditional physical or chemical deodorization has a large investment, Environmental pollution, complex operation and other problems, the biological deodorization method came into being in the 1950s, because of its high operating efficiency, environmental friendliness, low investment, and easy operation, the biological deodorization method was developed in the 1980s to 1990s The rapid development of the age has become the main method to deal with bad gas. However, the existing biological deodorization method has complex procedures and high...

Claims

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Application Information

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IPC IPC(8): B01D53/84B01D53/78B01D53/72B01D53/58B01D53/52C02F3/34C02F3/32C02F103/18C02F101/16C02F101/10
CPCY02A50/20
Inventor 张太平
Owner 广州益禄丰生态环保科技有限责任公司
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