7 results about "Sulfur granules" patented technology

The utility model relates to the technical field of sewage treatment, in particular to sulfur autotrophic denitrification MBR (membrane bioreactor) membrane treatment equipment capable of intercepting biological sulfur, which comprises a reactor main body, a settling zone and a reaction zone which are arranged up and down and used for accommodating biological sulfur powder and denitrifying bacteria are arranged in the reactor main body, the settlement area is in a variable-diameter straight cylinder shape with a wide upper part and a narrow lower part; a guide cylinder is fixedly arranged in the reaction area, and a water distribution head I is arranged on the lower side in the guide cylinder; an MBR membrane assembly is fixedly arranged above one side of the sedimentation area, a partition plate is arranged on the outer side of the MBR membrane assembly, and an interception silk screen is fixedly connected to a break angle of the lower side of the partition plate; the internal circulation part comprises a circulating pump arranged on the outer side of the reactor main body. According to the utility model, the biological sulfur powder can be directly used and does not need to be made into a sulfur particle filler, so that the treatment cost is greatly reduced.

The present invention discloses a device for separating sulfur particles from liquid droplets in high-sulfur gas fields. The device comprises an inlet section, a folded plate section, an outlet section, a drainage chamber, a water washing system, a top plate, and a base. The inlet section is connected to the folded plate section and then to the outlet section. An arc-shaped drainage chamber is provided below the inlet and outlet sections. A drainage pipe is located at the bottom of the drainage chamber and extends horizontally through the base. Tracks are provided above the ends of the folded plate section. An intelligent pressure differential sensor is provided between the two ends of the folded plate section. A water collecting pipe moves within the track under the action of a reciprocating drive via a slider. The slider is connected to a partition below. The water inlet pipe is connected to a telescopic hose and then to the water collecting pipe. The water collecting pipe is connected to a water washing line below. Two arc-shaped baffles are provided in each flow channel of the folded plate section. The intelligent pressure differential sensor transmits signals to control the inlet pipe and the inductive switches on the reciprocating drive. The present invention achieves separation of sulfur particles and liquid droplets from gas, performs automatic flushing without blind spots, and avoids secondary entrainment of liquid droplets by the airflow during flushing.

The application relates to a sulfur foam acid production pretreatment system and a pretreatment method, and belongs to the field of industrial acid production. The system comprises, in sequence, a demulsification stirring tank, a hot melt separation device, an evaporation crystallization device, a drying device and a sulfur particle granulator. The hot melt separation device comprises a hot melt shell, a heat supply unit and a stirring unit. A feeding port is arranged at the top of the hot melt shell. The demulsification stirring tank is communicated with the feeding port. An overflow port and a discharge port are sequentially arranged on the side wall of the hot melt shell from top to bottom. Sealing doors and first valves are arranged at the overflow port and the discharge port respectively. The evaporation crystallization device is communicated with the discharge port. The heat supply unit is arranged on the hot melt shell. The stirring unit is arranged in the hot melt shell. The stirring unit is used for stirring sulfur foam in the hot melt shell. The application has the technical effects that the sulfur foam treatment system is simple and convenient to operate.

The utility model belongs to the technical field of sulfur granules, and particularly discloses a drying device for sulfur granulation, which comprises a drying box, an obliquely arranged material carrying plate is connected in the drying box, the material carrying plate is connected with a vibration motor, two ends of the material carrying plate extend out of the drying box, and a plurality of material guide raised lines are connected onto the material carrying plate. A hot air mechanism is fixedly connected below the material carrying plate in the drying box, a plurality of ventilation through holes are formed in the position, above the hot air mechanism, of the material carrying plate, and a dust collection mechanism is fixedly connected to the top of the drying box. According to the sulfur particle drying device, the material carrying plate provided with the vibration motor is obliquely arranged in the drying box, the ventilation through holes are formed in the material carrying plate, and the hot air mechanism is arranged below the ventilation through holes, so that sulfur particles on the material carrying plate are subjected to hot air drying; and the continuously vibrating material carrying plate shakes and disperses the sulfur particles on the material carrying plate, so that bridging crystallization among the sulfur particles is avoided, and the caking phenomenon of the sulfur particles during drying is prevented.

The application relates to the technical field of sewage treatment, and particularly discloses a sewage treatment device based on sulfur autotrophic denitrification and phosphorus removal biological carrier coupling electrochemistry, which comprises a reaction device, a water storage container, a water inlet pipeline assembly and a backflow pipeline assembly; the reaction device comprises a reactor tank body, a power supply and an electrode cylinder assembly; the power supply is electrically connected with the electrode cylinder assembly; the reactor tank body is sequentially provided with a gap filler layer, a sulfur granule layer and a composite sulfur-sulfur pyrite-PLA ball biological carrier micro-particle layer from bottom to top; the electrode cylinder assembly is vertically fixed above the sulfur granule layer, and the electrode cylinder assembly is located in the composite sulfur-sulfur pyrite-PLA ball biological carrier micro-particle layer; and the top end of the reactor tank body is provided with an overflow groove; the sewage treatment device based on sulfur autotrophic denitrification and phosphorus removal biological carrier coupling electrochemistry has simple process, high stability, can quickly supplement the biological carrier, and has high denitrification efficiency and phosphorus removal efficiency for landfill leachate.

The application relates to the technical field of sewage treatment, and more specifically to a sulfur autotrophic denitrification process, which is prepared by combining sulfur-calcium carbonate eutectic granulation with PTFE microporous coating technology, and has the functions of pH self-buffering and anti-blocking; three functional zones are arranged in the reactor: the upper layer is filled with coated sulfur particles and inoculated with Thiobacillus bacteria, calcium carbonate is used to neutralize H + The coated layer controls the excessive proliferation of the biofilm, the nitrogen gas is promoted to escape under high flow rate, the middle layer of the honeycomb ceramic is inoculated with anaerobic string bacteria to degrade residual nitrite nitrogen, the flow rate is reduced to 5-8 m / h to prolong the residence time, the lower layer of the magnesium olivine cooperates with the inclined plate precipitation module to realize efficient separation of sulfate precipitation and shed biofilm under low flow rate. Through water inlet pH pre-adjustment, DO < 0.5 mg / L and gradual load domestication, the functional bacteria group can tolerate pH 5.5-8.0, and the problems of large denitrification efficiency fluctuation, nitrite nitrogen accumulation and filler blockage in the traditional process are solved, and the system realizes efficient, impact-resistant and long-term stable operation.