70results about How to "Reduce size area" patented technology

The invention discloses a staged-pressurization gasification reaction device for dry pulverized coal. A first burner chamber internally provided with a top-arranged process burner is arranged at the top part of the gasification reaction device; a layer of second burner chamber internally provided with a side-surface process burner is arranged on the side surface at the upper part of the gasification reaction device and along the peripheral direction; a slag hole is also arranged in the bottom of the gasification reaction device; multiple chilling gas inlets are arranged at the upper end part of a synthesis gas cooling chamber; and further, the synthesis gas cooling chamber is also provided with an inner cylinder membrane wall, an outer cylinder membrane wall and a screen wall. The invention further discloses a gasification method, which includes steps as follows: S1, gasified fuel, water vapor and oxygen are sprayed into the gasification reaction chamber for incomplete gasification reaction; S2, oxygen or oxygen rich gas and water vapor are injected into the side surface process burner so as to carry out complete gasification reaction and secondary gasification reaction; S3, gasified products enter the synthesis gas cooling chamber from the slag hole; and S4, synthesis gas is discharged from the synthesis gas cooling chamber, and ash residues are discharged into a bottom slag basin. According to the invention, the service life of the furnace liner is prolonged, and the practical operation flexibility is enhanced.

The invention provides a water drainage and gas production simulated experimental device, which is used for simulating the water drainage and gas production of coal bed gas wells or other water producing gas wells. The water drainage and gas production simulated experimental device consists of a speed reducer, a water pump, a wellhead device, a water storage device, a detection device, a casing string, a water pipe column, a drainage and mining roofbolt and a drainage and mining pump, wherein the drainage and mining roofbolt, the water pipe column and the casing string form two annular spaces; a water jacket performs deflation in the annular space while the rod and the pipe perform drainage in the annular space; physical distribution in the annular space of the water jacket realizes the study of the separation condition of two-phase flow gases; the speed reducer integrates a power machine and a transmission system and realizes the large transmission ratio and the continuous adjustmentof stroke frequency and arbitrary adjustment of which the liquor drainage volume is between 3 and 30m<3>/d and the submergence depth is between 0 and 20 meters; the detection device realizes the real-time monitoring of the liquor drainage volume, a movable liquid level, the pressure, well liquor components and the stress of rod pieces; a walking beam counterweight adopts a split structure, and the position of a crank counterweight can be adjusted continuously, so that the good balance of the water pump is realized; and a structure of a single crank, a single connecting rod and a sliding bearing is adopted to reduce the size of a complete machine.

The invention discloses a co-rectifier transformer medium voltage type regenerative braking energy feedback device and a control method thereof; the feedback device comprises a rectifier transformer,an energy feedback unit, and a rectifier unit; a grid connected switch and an isolation transformer are respectively connected in series between the energy feedback unit and a rectifier transformer valve side winding; the energy feedback unit comprises two inverters; DC sides of the two inverters are provided with a single-knife-double-end isolation switch block; the DC sides of the two invertersare connected with a DC traction network through the single-knife-double-end isolation switch block; the feedback device control method comprises the following steps: starting, running and stopping the energy feedback unit according to a first startup threshold value, a second startup threshold value, an overvoltage protection value, a stop threshold value and a current gradient determination value. The feedback device can eliminate the circulation between the energy feedback unit and the rectifier unit, has a larger feedback capacity than a low voltage feedback device, has a simplified structure when compared with a conventional medium voltage feedback device, and uses less general assembly dimensions and land occupation areas, thus reducing cost, and providing good versatility.

The invention relates to a one-way radiating furnace tube ethane cracking furnace. The cracking furnace comprises a radiating section, a convection section, a quenching furnace, a collecting pipe and an allotting pipe, wherein the radiating section is arranged at the left side of the cracking furnace, and a radiating chamber is arranged in the radiating section; a radiating furnace tube, a bottomcombustor and a side wall combustor are installed in the radiating chamber; the convection section is arranged at the upper part of the cracking furnace; a convection coil pipe is arranged at the lower part of the convection section; the quenching furnace is arranged at the top of the radiating section; the collecting pipe is arranged at the lower part of the radiating section; one end of the allotting pipe is connected with the collecting pipe, and the other end of the allotting pipe is connected with the radiating furnace tube. Compared with the prior art, the invention utilizes the furnacetube space at maximum and reduces the geometric dimension and the occupation area of the cracking furnace; the furnace tubes in adjacent groups are in a symmetrical structure so as to be uniformly heated, and the running period is prolonged; the influence of the furnace tube differential expansion on the furnace tubes can be effectively reduced and the bending degree of the furnace tubes is lightened by a bent pipe structure; and the adopted linear quenching furnace effectively blocks the secondary reaction of cracked gases and improves the yield of products.

The invention relates to a continuous biochemical reaction and intermittent static precipitation integrated sewage treatment device. According to the invention, an entire sewage treatment process is centralized to a treatment tank which can be rectangular or circular. The device is divided into two types of functional zones, which are 1, biochemical reaction zones and 2, steady-flow precipitation zones. Newly entered sewage to be treated is mixed with precipitated and separated active sludge; the mixture continuously flows through the biochemical reaction zones in a reaction tank, such that biochemical reactions are completed. More than two relatively independent zones are arranged in the steady-flow precipitation zone, and the zones run alternately and intermittently, such that precipitation separation is performed under a relatively static condition, while the biochemical reaction zones work continuously. With the entire device and technical process, continuous treatment of newly entered sewage and static precipitation separation of the mixed liquid of sludge and sewage are realized. The device has the advantages of simple structure, low construction cost, low operation cost, and good effect. The device can be widely applied in industrial and domestic sewage treatments.

The invention provides a fabrication method of an ultra-thin silicon transfer plate without temporary bonding and un-bonding processes, and aims to solve the problems of high cost of equipment, largenumber of process steps and colloid residue pollution in the prior art. According to the fabrication method provided by the invention, the ultra-thin silicon transfer plate is formed in the silicon cavity of an ordinary silicon wafer, and holding and subsequent wiring layer processes and chip mounting can be operated like the ordinary silicon wafer, thus eliminating the expensive and complicated process steps of temporary bonding and un-bonding. The bottom plane of the silicon cavity fabricated by wet etching has a smooth surface, and does not need to carry out surface grinding and polishing process steps. In conjunction with glue spraying and laser direct writing lithography processes, the fabrication of a re-wiring layer can be completed, thus greatly lowering the process cost. A siliconthrough hole formed by laser processing has an inclined side wall, which is favorable for forming a high quality through hole barrier layer on the side wall of the silicon through hole and forming acomplete and continuous through hole side wall metal layer in the through hole.

The invention relates to a combustion, heat exchange and dust removal integrated small biomass normal pressure hot water boiler and belongs to the technical field of combustion equipment. A boiler body heating surface is arranged on the upper portion of a grate; the heating surfaces on the front side and the left and right sides of a hearth are of box plate water sleeve structures; a first-stage thread smoke pipe heating surface is arranged in an upper box body, and a second-stage thread smoke pipe heating surface is arranged in a rear box body; a semi-ellipsoid-shaped boiler arch is arranged above the front half part of the grate in the hearth; fuel is combusted on the flat-pushing reciprocating grate, and after the fuel is fully combusted under the effect of the semi-ellipsoid-shaped boiler arch and exchanges heat with a perimeter radiation heating surface, high temperature fume enters the first-stage thread smoke pipe heating surface along the upper surface of the semi-ellipsoid-shaped boiler arch, makes a turn by 90 degrees to enter the second-stage thread smoke pipe heating surface after heat exchange and directly enters a dust removal device after heat exchange. The combustion, heat exchange and dust removal integrated small biomass normal pressure hot water boiler has the advantages that the automation degree is high, combustion operation is stable, heat efficiency is high, the emission load of pollutants is little, fuel applicability is good, the structure is compact, and biomass fuel combustion systematic application can be achieved.

The invention discloses a non-contact rocker sensor, a control device and a processing system and method, and relates to the technical field of novel sensors. The non-contact rocker sensor comprises a rocker assembly and a magnetic induction IC assembly. The rocker assembly is used for generating swing in a first direction and a second direction which are perpendicular to each other, swing of a first magnetic field generated by a first magnet swinging in the first direction and swing of a second magnetic field generated by a second magnet swinging in the second direction. The magnetic induction IC assembly is used for generating and outputting a first electric signal corresponding to the change of the distance between the first magnet and the first magnetic induction element caused by the swing of the first magnet and a second electric signal corresponding to the change of the distance between the second magnet and the second magnetic induction element caused by the swing of the second magnet. The non-contact rocker sensor has the advantages of long service life, high control precision and small size.

The invention discloses a data driver comprising two data processing circuits and a multiplexer circuit. The two data processing circuits respectively provide a positive pixel voltage and a negative pixel voltage according to first pixel data and second pixel data. The multiplexer circuit comprises a plurality of multiplexer units, a first input end and a second input end thereof receive the positive pixel voltage and the negative pixel voltage, respectively, and the output end is coupled to a data wire. The first and second switches of a first switcher are connected in series between the first input end and the second input end, a node between the two switches is selectively grounded via a third switch. The fourth and fifth switches of a second switcher are connected in series between the second input end and the output end, a node between the two switches is selectively grounded via a sixth switch. When the first and the second switches are turned on, the sixth switch is turned on. When the fourth and fifth switches are turned on, the third switch is turned on.

The invention relates to a centrifugal mill (1) for grinding loose material, comprising a frame (2) for supporting a grinding chamber (3) provided with a longitudinal axis (A) and with at least one opening (4, 5) for introducing and/or discharging respectively the material to be ground and the ground material, first means (6) for the articulation of the grinding chamber to the frame, which are formed proximate to one of the two opposite ends of the longitudinal axis (A) and are adapted to allow the grinding chamber (3) to perform a motion in which the longitudinal axis (A) rotates about a fixed axis (B) with which it shares a point of incidence (P), the angle of incidence between the axes (A, B) remaining substantially constant during the motion, means (8) for actuating the grinding chamber in the motion, which are provided proximate to the other end of the longitudinal axis, second means (7) for the articulation of the grinding chamber to the actuation means, and a solid body (9) that is formed inside the grinding chamber (3), a compartment delimited by internal walls (3a) of the grinding chamber (3) and by an external surface (9a) of the solid body (9) defining a portion of the chamber that is active for the milling.

The invention relates to a resin catcher used in an industrial water processing system comprising a cylinder body (1), filter cores (2), a filter core tube plate (3), a filter core tube plate installation ring (4), and a base plate (5). The cylinder body (1), the base plate (5), and the filter core tube plate installation ring (4) are composed into an integral whole through welding. The filter cores (2) and the filter core tube plate (3) are connected, and the connections are watertight. The filter core tube plate (3) and the filter core tube plate installation ring (4) are connected, and the connection is watertight. The number N of the filter cores arranged on the tube plate is no less then 2. The catcher provided by the invention is adopted in industrial water processing systems with high water processing capacities. With the catcher, equipment dimension and land occupation can be greatly reduced, equipment weight can be effectively reduced, and equipment manufacturing cost can be saved. A multi-core small-diameter filter core arrangement is adopted, such that the water processing filtering capacity of the equipment can be improved. With the small-diameter filter cores, reduced strength caused by increased diameter can be avoided.

The invention provides an electrically erasable programmable read only memory (EEPROM) storage chip especial for an intelligent ammeter. The EEPROM storage chip comprises a storage array which is composed of nanocrystalline storage units, wherein each of the nanocrystalline storage units comprises a semiconductor substrate material, a source conduction region, a leak conduction region, a tunneling dielectric layer, a nanocrystalline storage layer, an isolation dielectric layer and a transistor control grid, the source conduction region and the leak conduction region are formed by heavy doping in a substrate region of the semiconductor substrate material, the tunneling dielectric layer is covered on the surface of a channel between the source conduction region and the leak conduction region, the nanocrystalline storage layer is covered on the tunneling dielectric layer, the tunneling dielectric layer encircles or covers the nanocrystalline storage layer, the transistor control grid is covered on the isolation dielectric layer, and the storage array utilizes a framework which is capable of performing random addressing, programming and erasing to each storage unit in the array. Nanocrystalline floating gate storage structures are used as the storage units, so that manufacturing processes can be simplified, device sizes and chip areas are lessened, the number of masks to be manufactured is reduced, and manufacturing costs of the storage chip are reduced.

The invention relates to a pulsed concentrated air inflow closing device. An end plate is provided with at least two independent valve ports, at least two valve plate shafts hinged to the end plate are connected to corresponding valve plates through respective cover arms, and the valve plates correspond to the respective valve ports; the end plate is provided with lower locking parts at the far ends of the valve plate shafts, and upper locking parts are buckled with the lower locking parts in the closing process; a connecting rod of a connecting rod mechanism of a driving mechanism is hinged to at least two crank arms, the crank arms are connected to the corresponding valve plate shafts, and a piston shaft of a driving cylinder is connected to the connecting rod; and a piston shaft of a locking cylinder of an opening and locking mechanism is connected to the rear part of a pawl, the middle of the pawl is hinged to a support, a ratchet wheel with a clamping groove is installed on one valve plate shaft, and a spring is installed on the support and the pawl. The pulsed concentrated air inflow closing device has the advantages that the structure is compact, the manufacturing cost is low, sealing is reliable and the impact vibration resistance is good. Through the matching structures of the multiple valve plates and the valve ports, the large-size valve plates in ventilation openings can be fast opened or closed without adding driving moment.

The invention discloses a routing common method for different impedance signal lines and a PCB board. The method comprises the steps that signal lines of different impedance values on the PCB board are connected with Cap capacitors; a PCB Trace channel is shared by all cap capacitors; and the Cap capacitors are used as Bom selector switches for Bom switching, so that the routing of all signal lines on the PCB board are integrated. Compared with the prior art, the routing common method for different impedance signal lines and the PCB board have the advantages that the scheme that the transmission channel on the PCB board is shared by buses of different impedance values is used to reduce the number of high speed routing on the board; the function of each bus of a product is realized, and the size, the area and the number of layers of the board are reduced; the development cost of the board is reduced; the market competitiveness of the product is enhanced; and the practicability is high.