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56results about How to "Reliable production" patented technology

Continuous production method of high-purity hydrochloric acid

The invention relates to a continuous production method of high-purity hydrochloric acid; the continuous production method is carried out by chemically dechlorinating, rectifying at normal pressure, filtering in a circulating manner, decompressing and rectifying by taking industrial hydrochloric acid as the raw material; in the event of decompressing and rectifying, the pressure in a decompressing and rectifying kettle is controlled within 25-95 KPa; the reflux ratio is 1:(1.8-2.5); and various processes in the process are carried out sequentially and continuously. According to the invention, high-purity hydrochloric acid achieving the SEMIC12 semiconductor grade requirements can be produced environmentally, efficiently and continuously through the four simple steps; in the obtained hydrochloric acid product, the content of single metal ion can be reduced to be below 50 ppt; the content of anion can be reduced to be below 50 ppb; and the content of free chlorine can be reduced to be below 300 ppb. An online control technology and a totally-enclosed purified production manner provided by the invention are further combined, therefore, hydrochloric acid products having steady quality can be produced reliably for a long time; and long-term, large-batch and steady specific requirements in the semiconductor industry are satisfied.
Owner:SUZHOU CRYSTAL CLEAR CHEMICAL CO LTD

Electrical connecting apparatus

The electrical connecting apparatus according to the present invention is used for providing electrical contacts for an electronic device and comprises a housing and a plurality of electrical contacts. At least one passageway is set on the housing. At least two ribs are set in the passageways. Within the passageways, at least one holding space is formed between two adjacent ribs. The electrical contacts are set in the passageways, respectively. In addition, portions of at least two electrical contacts are accommodated in the same holding space. The electrical contact has a base portion located underneath the rib. A pair of contact portions is formed by extending upwards from the base portion along corresponding two sides of the rib. Besides, at least one contact portion pass through the holding space. When the paired contact portions of each said electrical contact make contact with the electronic device, the contact portions move away from said rib. When the paired contact portions of each electrical contact of the electrical connecting apparatus according to the present invention make contact with an electronic device, the contact portions move away from said rib. Thereby, the electrical contact does not interfere with the housing. Consequently, the reliability of the product can be guaranteed.
Owner:LOTES

Vertical low-temperature storage tank having slide lantern ring support mechanism

ActiveCN105114803ASafe and reliable structureReduce the difficulty of manufacturing and installationContainer filling methodsPressure vesselsEngineeringLantern
The invention discloses a vertical low-temperature storage tank having a slide lantern ring support mechanism. The storage tank comprises a tank body and support legs, wherein the support legs are arranged at the lower part of the tank body; the tank body comprises an outer container, an inner container, reinforcing rings, support pipes and the slide lantern ring support mechanism; the inner container is arranged in the outer container; a closed interlayer space is formed between the outer container and the inner container; the reinforcing rings and the slide lantern ring support mechanism are both arranged in the interlayer space; the support pipes are arranged at the lower part of the interlayer space; the slide lantern ring support mechanism is arranged at the upper part of the interlayer space; and the external of the slide lantern ring support mechanism is connected with the reinforcing rings. The storage tank is safe and reliable in structure, is low in manufacturing and installation difficulty, is simple and convenient, is uniform in stress, decreases the use number of transverse drawstrings, reduces the heat leakage, and improves the heat insulating property; and when the temperature of the inner container is reduced to generate the shrinkage, the shrinkage is not restricted by a slide lantern ring, the thermal stress generated by the temperature change is eliminated, the safety of the storage tank is improved, and the service life of the storage tank is prolonged.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Electrical connecting apparatus

InactiveUS20100062619A1Reduce normal force exertedReducing normal force exertedCoupling device detailsElectrical apparatus contructional detailsEngineeringElectrical contacts
The electrical connecting apparatus according to the present invention is used for providing electrical contacts for an electronic device and comprises a housing and a plurality of electrical contacts. At least one passageway is set on the housing. At least two ribs are set in the passageways. Within the passageways, at least one holding space is formed between two adjacent ribs. The electrical contacts are set in the passageways, respectively. In addition, portions of at least two electrical contacts are accommodated in the same holding space. The electrical contact has a base portion located underneath the rib. A pair of contact portions is formed by extending upwards from the base portion along corresponding two sides of the rib. Besides, at least one contact portion pass through the holding space. When the paired contact portions of each said electrical contact make contact with the electronic device, the contact portions move away from said rib. When the paired contact portions of each electrical contact of the electrical connecting apparatus according to the present invention make contact with an electronic device, the contact portions move away from said rib. Thereby, the electrical contact does not interfere with the housing. Consequently, the reliability of the product can be guaranteed.
Owner:LOTES

Rib carving structure for tank body

The invention provides a carved rib structure for a tank body, which is simple and reliable in structure, stable and reliable in separation of the tank body and the carved rib structure and capable of ensuring stable manufacturing of the tank body. The device comprises: an upper fixing plate; a vertical lifting cylinder; the central axial direction of the vertical sleeve is of a hollow structure; the rotating disc comprises an upper driving disc and a lower rotating disc; a pressing and attaching disc is arranged at the bottom of the reset rod; a rotating disc is arranged on the outer circumference of the middle of the vertical sleeve in the height direction through a bearing in a sleeving mode, a plurality of transmission seats are annularly distributed on the outer ring of the lower rotating disc, the transmission seats are connected to the corresponding annular positions of the lower rotating disc in a pivoted mode, roller bearings are arranged on the upper portions of the transmission seats, and rib carving rollers are arranged on the lower portions of the transmission seats. The transmission seat is rotatably arranged around a pivot point, the roller bearing is located in the upper area of the lower rotating disc, the rib carving roller is located in the lower area of the lower rotating disc, and the rib carving ring surface of the rib carving roller faces the outer ring surface of a product.
Owner:SUZHOU HUAYUAN ZHONGLU PACKAGING CO LTD +1

Anti-misoperation electric device for disconnecting switch for electrified railway contact net

The invention provides an anti-misoperation electric device for a disconnecting switch for an electrified railway contact net. The anti-misoperation electric device comprises a motor and a speed reducer, wherein the motor is used for providing power; the speed reducer has preset positive rotation limit angle and reverse rotation limit angle; further rotation of the speed reducer is limited by a limiting component fixed on the speed reducer and a position signal is sent out to an electric operating mechanism; a power output end of the speed reducer is provided with a change-over switch mechanism through a screw rod; the change-over switch mechanism is driven to act by rotation of the speed reducer-driven screw rod; and the change-over switch mechanism simultaneously starts closing of a breaking breaker and breaking of a closing breaker, or simultaneously starts closing of the closing breaker and breaking of the breaking breaker when the speed reducer rotates to the limit angles. According to the anti-misoperation electric device, positive rotation and reverse rotation of the motor are achieved by changing a positive electrode and a negative electrode of a power supply for a DC motor; and the power supply for the motor can be automatically cut off after breaking and closing are ended, so that the problems of misoperation, refusal-operation, false display and the like of the disconnecting switch can be effectively solved. The anti-misoperation electric device is suitable for coordination with an existing disconnecting switch; and anti-misoperation electric control of breaking and closing is achieved.
Owner:HEBEI YUNIU ELECTRICAL EQUIP
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