3results about How to "Solve emission pollution" patented technology

The present application provides a kind of paste pipeline blockage dredging device, including pressure release device, dredging pipe, dredging pipe transport device and passage excavation device;The pressure release device includes the buffer pipe section of tubular hollow structure with the same diameter as the system main pipeline pipe diameter;Its one side outlet is connected with paste pipeline conveying system main pipeline;The dredging pipe has multiple, stacked in dredging pipe transport device;Each dredging pipe includes outer sleeve and spiral inner tube, spiral inner tube is sleeved into outer sleeve, spiral inner tube can rotate in outer sleeve, the dredging pipe transport device is used to store, rotate, push, recycle dredging pipe, also discloses corresponding dredging method;Can be blocked in paste pipeline system, especially hard blocked section is pressure-tight dredged.Avoids the material leakage discharge and environmental pollution problem caused by cutting pipe, has strong adaptability, high flexibility, is easy to use and has strong dredging performance.

The application discloses a kind of hydrocarbon conversion method and device, belong to coal bed gas technical field.The present application solves the problem that coal gas layer cannot fully play its resource value in prior art, including the following steps: step S1: raw gas is subjected to oxygen removal process in one-stage conversion, and raw gas A is obtained;Step S2: the obtained raw gas A is boosted, and raw gas B is obtained;Step S3: raw gas B is subjected to desulfurization, and desulfurized gas C is obtained;Step S4: desulfurized gas C is transported into the furnace tube of two-stage conversion furnace for hydrocarbon steam conversion reaction, and conversion gas D is obtained;Step S5: conversion gas D is transported into three-stage conversion furnace, and deep conversion reaction of methane is carried out, and conversion gas E is obtained;Step S6: after heat recovery, synthesis gas is obtained from conversion gas E.The present application provides three-stage conversion technology of hydrocarbon in view of the characteristics of high oxygen and nitrogen content in coal bed gas, solves the safe utilization problem of oxygen contained in coal bed gas and the problem of greenhouse gas emission polluting the environment.

The utility model provides a new energy unmanned tractor, relates to the technical field of agricultural machinery, and solves the technical problems of huge tail gas emission and noise in the prior art. The device comprises a machine body, two crawler walking mechanisms, a power output device, a battery, a water cooling system and an oil cooling system, the two crawler walking mechanisms are arranged on the two sides of the machine body respectively, the power output device is arranged on the machine body and close to the tail of the machine body, and the crawler walking mechanisms, the power output device, the water cooling system and the oil cooling system are all connected with the battery. The water cooling system is connected with the power output device, and the oil cooling system is connected with a hydraulic valve arranged on the machine body. The electrically driven tractor provided by the utility model fundamentally solves the problems of tail gas emission pollution and noise pollution caused by a traditional energy tractor.