32results about How to "Replenish less often" patented technology

A sewing machine including a needle that is supplied with an upper thread. A a reciprocating movement carries the upper thread through a sewing material and forms a loop beneath the sewing material. A shuttle houses a bobbin for lower thread and a shuttle arm catches the loop of the upper thread and carries the upper thread around the lower bobbin, so that a stitch is executed on the sewing material. A thread feeder feeds the upper thread to the needle and a control element on each stitch causes the thread feeder at the beginning of a stitch to advance a predetermined length of upper thread, including an excess thread, and at the end of the stitch to correct the length of the upper thread by recovering the excess upper thread, or advancing the further upper thread required.

The invention discloses an electrolytic ozone generating device for recycling cathode water, which comprises an anode pure water barrel (1), a water inlet (1-1) and a gas outlet (1-2) disposed on the anode pure water barrel (1); a water outlet of the anode pure water barrel (1) is connected with an anode water inlet (5-1) of an electrolytic ozone generator (5) through a pipeline; an anode gas outlet (5-2) of the electrolytic ozone generator (5) is connected with the anode pure water barrel (1) through a pipeline; an anode and a cathode of the electrolytic ozone generator (5) are respectively connected with an anode and a cathode of a generator power supply (6); the invention is characterized in that the anode pure water barrel (1) is connected with a water outlet of a cathode pure water barrel (2); a gas outlet (7) is disposed on the cathode pure water barrel (2); a cathode gas-water outlet (5-3) of the electrolytic ozone generator (5) is connected with a gas-water inlet of the cathode pure water barrel (2) through a pipeline; a gas-water separating device (3) is disposed in the cathode pure water barrel (2); the invention greatly reduces the pure water supplementing frequency, is greatly convenient for users, is simple and practical in structure, low in cost, high in efficiency, is energy-saving, does not cause generator damage, and has prolonged service life.

The invention discloses a device for promoting photosynthesis of photosynthetic bacteria in an artificial culture pool. The method comprises the following steps: putting at least one photosynthetic bacterium into a black mud layer of partial regions on the bottom of the artificial culture pool, conducting light energy into the black mud layer of partial regions with the photosynthetic bacteria by using an optical conducting device, and providing light energy for the photosynthetic bacteria, thereby promoting the photosynthesis and reproduction of the photosynthetic bacteria. The optical conducting part of the device is provided with an optical conductor and a light ray scattering head device, wherein the light ray scattering head device is arranged at the bottom end of the optical conductor; an air layer structure is arranged around the optical conductor and coated on the optical conductor, so that the optical conductor is isolated from the surrounding water body; and the air layer structure has air interstice into which dry air is filled, thereby forming an air layer coating on the optical conductor.

The invention provides a method for generating biogas by utilizing the waste of chrysanthemum chrysanthemum. It solves the technical problems such as the waste of the existing Hangbai chrysanthemum and the generation of environmental pollution. The method for generating biogas by utilizing the wastes of chrysanthemum, the method comprises the following steps: a. collecting the wastes of chrysanthemum, using the collecting device to collect the roots, stems and leaves of chrysanthemum, and removing the debris such as soil and weeds b. Make a biogas fermentation device; c. Load the articles needed for fermentation; add the waste of chrysanthemum into the upper cavity, add decomposing agent and nitrogen; This process can form acidified liquid, which flows from the filter holes on the separator to the lower cavity of the shell, and is transported to a sealed tank by a transfer pump, where anaerobic fermentation is performed to generate biogas. The invention can turn the waste of chrysanthemum into biogas, reduce pollution and improve economic benefits.

A fuel mixing apparatus for a fuel cell system includes a first fluid tank, a second fluid tank, a tube assembly, a pump, and a mixing tank. The first fluid tank is for containing a first fluid. The second fluid tank is for containing a second fluid. The tube assembly connects to the first fluid tank and the second fluid tank. The pump is disposed on the tube assembly. The mixing tank is connected to the tube assembly. The pump transmits the first fluid in the first fluid tank to the mixing tank via the tube assembly, and the pump transmits the second fluid tank to the mixing tank via the tube assembly.

The invention provides a process for cyanide-free gold plating of electronic components and parts after nickel-plating as a backing, which includes taking electronic components, soaking them in hydrochloric acid, cleaning, chemical polishing, cleaning, neutralization, clamping, cleaning, and degreasing; Activation, cleaning with deionized water; impact nickel plating, impact nickel plating temperature is (10~30)℃, current density is (1~8)A / dm 2 ; Nickel plating, nickel plating temperature is (40 ~ 55) ℃, current density is (0.1 ~ 1) A / dm 2 ; Recycling, cleaning with deionized water, activation; gold plating (charged lower tank), gold plating temperature is (38 ~ 45) ℃, current density is (0.1 ~ 0.3) A / dm 2 ; Recycling, cleaning with deionized water, unloading, dehydration, drying; heat treatment, post-processing, that is all. In the process of the invention, the gold-plated layer on the nickel-plated layer has good bonding force and good coating performance.

The invention relates to the technical field of gas source detection, and specifically discloses a sulfur hexafluoride density relay calibration instrument gas source system. The gas source system is mainly formed by an air inlet, a filter, an air compressor, an air reservoir and a gas using port which are connected in sequence, and both sides of the air reservoir are provided with a temperature sensor and a pressure sensor. The sulfur hexafluoride density relay calibration instrument gas source system in the invention has the advantages that pressure required in an equipment calibration process through the air reservoir part, through a series of pressure detection, temperature detection and a timer, the air compressor works, air is quickly filled to the air reservoir, and required pressure that is set is maintained all the time, thereby completing the working process of the whole equipment. A method of an internally arranged gas source is adopted, and through detection of the temperature sensor and the pressure sensor, the air compressor works, so that required pressure that is set is maintained in the air reservoir all the time, thereby completing the working process of the whole equipment. The gas source system is small in size and convenient to carry, reduces emission of harmful gas, and thus is environment-friendly.

An activating and starting method of a fischer-tropsch synthetic catalyst comprises the following steps of (1) adding the catalyst in an activation reactor to activate partial needed fischer-tropsch synthetic wax and preheating to 100-180 DEG C; (2) injecting mixed slurry of the pre-mixed fischer-tropsch synthetic wax and the catalyst in the activation reactor, supplementing the fischer-tropsch synthetic wax to enable the formed mixed slurry to achieve a preset liquid level in the activation reactor, and evenly mixing the fischer-tropsch synthetic wax and the catalyst to be activated; (3) conducting catalyst activation at needed activation conditions; and (4) transporting activated catalyst slurry to a fischer-tropsch synthetic reactor to be used for conducting a fischer-tropsch synthetic reaction. By means of the method, starting cost can be obviously reduced, and buying of a large quantity of paraffin wax and liquid wax is avoided.

The invention provides a water retention agent for gardening. With small amount, the water retention agent has good water retention and does not produce growth disorder or elongation disorder of root. The water retention agent for gardening comprises resin with high hygroscopicity; and when 1 weight portion of the resin with high hygroscopicity absorbs 100 weight portions of ion exchange water ata temperature of 25 DEG C, the conductivity of a water absorption body is between 0 and 2.0mS / cm, and the water absorbency of the ion exchange water at a temperature of 25 DEG C is between 80 and 1,000 times.

The invention discloses an automatic feeding paint brush, which belongs to the technical field of paint brushes and realizes the purpose of greatly reducing the number of times of paint replenishment, and can be used for a long time after one paint replenishment in an outer cylinder. The automatic feeding paint brush comprises a roller brush rod, a roller brush frame arranged on the roller brush rod, a paint spray cylinder arranged on the roller brush frame, a roller arranged on the paint spray cylinder, a supplementary material arranged on the roller brush rod The material module and the transmission module set on the feeding module; the paint spray cylinder is set on the roller brush frame, and the roller is set on the paint spray cylinder. By adding more paint in the outer cylinder at a time, and then rolling with the roller, the paint is uniform Add the paint to the roller, keep the amount of paint in the roller, so that the purpose of replenishing the paint for a longer period of time can be established, and the number of times of paint replenishment can be greatly reduced.