42results about How to "Not conductive" patented technology

The submerged fire extinguishing nitrogen system for closed space includes a nitrogen supplier, a flow meter, a solenoid valve, a fire alarming controller, a pipeline with branches, nitrogen nozzles and a fire detector connected together. The present invention has no environmental pollution, no damage of generating secondary fire, simple system structure, low cost, stable running and other advantages.

The invention belongs to the technical field of a metal anti-corrosion coating, and particularly relates to a rust transforming agent and a preparation method thereof, a water-based iron rust conversion coating and a preparation method thereof. The rust transforming agent comprises a step of synthesizing 2-hydroxypropyl 3,4,5-trihydroxybenzoic acid by taking a gallic acid, 1,2-propylene glycol and a p-toluenesulfonic acid as initial raw materials, wherein the rust transforming agent contains 18.5-26.7% of gallic acid, 66.6-74% of 1,2-propylene glycol, and 6.6-7.5% of p-toluenesulfonic acid; the water-based iron rust conversion coating is prepared from a vinylidene chloride composite polymer emulsion, ethylene glycol butyl ether, filling slurry prepared in the step (1) and the rust transforming agent. The prepared rust transforming agent disclosed by the invention is good in water tolerance, strong in stability, and good in matching property with a water paint and an oil paint.

The invention discloses a preparation method of cathode silicon carbide ramming paste for an aluminum electrolysis cell, wherein the cathode silicon carbide ramming paste conducts heat, does not conduct electricity, is slightly shrunk in a using process and can effectively solve the problem that a cathode material is damaged due to unstable current and structural expansion in a working process ofa current electrolysis cell. According to the silicon carbide ramming paste for the cathode of the aluminum electrolysis cell, raw materials are silicon carbide fine powder, fine silicon powder and high-aluminum homogenized material fine powder; the raw materials are uniformly mixed for 36-48 h through ball milling, and ramming forming is performed by taking PAMA-6000 resin as a binding agent. Thecathode ramming paste prepared by the method has the characteristics of heat conduction, non-electric conduction, micro-shrinkage and the like, and perfectly solves a series of problems of cathode carbon blocks.

The invention provides a dual-control dynamic compensation transformer, which comprises a transformer shell and a transformer main body (1), and is characterized by further comprising an intelligent reactive compensation acquisition control unit (2), a PLC (Programmable Logic Controller) (3), a main protection switch (4), a plurality of dynamic compensation loops and ion radiators (9) uniformly arranged on the inner wall of the transformer shell. And the dynamic compensation loop comprises a fuse (5), a reactor group (6), a compensation capacitor (7) and a filter (8) which are connected in sequence. According to the application, the phase-controlled reactor and the PLC are added into the dynamic reactive power compensation circuit, so that the special requirements of different customers onreactive power compensation control can be better met, and the protection function and the switching function of the reactive power compensation controller are more fully applied.

An anti-stall intermittent stirring device for cosmetic materials, relating to the technical field of cosmetics, including a rotating rod, the inner walls of both sides of the rotating rod are movably connected with conductive rods, the inner side of the conductive rod is fixedly connected with a spring one, and the inner wall of the conductive rod Fixedly connected with electrical contacts, both sides of the rotating rod are provided with movable grooves, the inner wall of the movable groove and the outer side near the rotating rod are fixedly connected with spring two, and the inner side of spring two is fixedly connected with movable blocks. The anti-stall intermittent stirring device for cosmetic materials is used in conjunction with the conductive rod and the conductive block. When the rotating rod rotates, the centrifugal force generated is greater than the elastic force of the spring one. At this time, the movable block and the conductive block will be under the action of centrifugal force. Moving to the outside, the conductive block is separated from the electrical contact, the rotating rod circuit is disconnected, and the stirring device stops stirring, which facilitates the return of the raw materials on the outside to the middle, thereby fully mixing the raw materials, increasing the stirring quality and improving the stirring efficiency.

The invention relates to a circuit structure for repair and a flat panel display device with the circuit structure. A line structure for repair may include: a first line positioned in a first direction; a second line parallel to the first line, the second line having side portions extending from corresponding ends along the second direction and connected to the first line; and a third line crossing the first line and the second line, wherein at least a portion of the second line is made of undoped polysilicon.

The invention relates to a submersible electric pump for a high-lift floating impeller well; a submersible motor is fixedly arranged on the lower end of a water inlet joint; a connecting seat is fixedly arranged on the upper end of the water inlet joint; a first stage of impeller is arranged in the inner cavity of the connecting seat; a first stage of diversion shell is arranged on the connecting seat; a second stage of impeller is arranged in the inner cavity of the first stage of diversion shell; a second stage of diversion shell is arranged on the first stage of diversion shell; a third stage of impeller is arranged in the inner cavity of the second stage of diversion shell; a final stage of impeller is arranged in the inner cavity of the previous stage of diversion shell; a last stage of diversion shell is arranged on the previous stage of diversion shell; the impellers are connected and sleeved on a pump shaft through keys and can trip along the axial direction of the pump shaft; a water outlet seat is arranged on the last stage of diversion shell; and the water inlet joint, the connecting seat, the diversion shells and the water outlet seat are tightened, fixed and sealed through tiepieces, and the tripping gaps of the impellers are reserved between the upper end surfaces of the impellers and the lower end surfaces of the diversion shells. According to the submersible electric pump for the high-lift floating impeller well, the automatic balance of axial force is realized, the operation is stable and reliable, the service life of the motor is prolonged, and the efficiency and the single-stage lift of the water pump are improved.

The invention relates to a reverse electric field electrostatically enhanced bag type dust collector. Its technical solution is: the air inlet box (1) and the air outlet box (16) are correspondingly fixedly connected with the inlet end and the outlet end of the dust collector body (2). The structure of the dust collector body (2) is to use a baffle plate (9) to separate the dust collector body (2) into a dust pre-charged area and a dust filter area. The structure of the dust collector body (2) is either in the dust collector body ( 2) A dust pre-charging area is provided in the middle of the housing along the air intake direction, and dust filtering areas are symmetrically provided on both sides of the dust pre-charging area. The corona pole lines (3) and the dust collection pole plates (7) in the dust pre-charging area are alternately arranged parallel to each other, and the flower plate (17) in the dust filtering area separates the dust filtering area into a clean air chamber (14) and The filter chamber (19), the bag opening of the filter bag unit (18) provided in the filter chamber (19) communicates with the clean air chamber (14), and the outlet of the clean air chamber (14) is the outlet of the dust collector body (2) end. The invention has the characteristics of high dust removal efficiency, good dust removal effect and no bag burning phenomenon.