35results about How to "Guaranteed mix ratio" patented technology

The invention belongs to the field of indoor decoration, and particularly relates to putty powder automatic water injection equipment for indoor decoration. The equipment comprises a barrel, a first horizontal plate, first hinge blocks, a water collecting tank, a driving rod, a flow limiting block and the like, wherein the first horizontal plate is put on the horizontal ground, two first hinge blocks are symmetrically installed at the centers of the two sides of the upper end face of the first horizontal plate, in the upward moving process of the water collecting tank, the driving rod located on the upper portion drives the flow limiting block to rotate by 45 degrees, and in the process that the water collecting tank moves from top to bottom, the driving rod located below drives the flow limiting block to continuously rotate by 45 degrees. The whole automatic water injection equipment can automatically match the mass of water according to the weight of putty powder in a barrel, and the mixing proportion of a mixture of the putty powder and the water is guaranteed, so that the quality of the mixture is guaranteed, and the quality of indoor decoration is further guaranteed; and the whole equipment is of a pure mechanical structure, precise small parts do not exist, the situation that the water injection equipment is polluted by putty powder dust and corroded does not exist in the using process, and therefore the maintenance cost of the water injection equipment is greatly reduced.

The invention relates to an efficient filtering method of concentrate pulp. In a concentrate pulp filtering system with no concentrate thick pulp mixing tank, a dosing point of a filter aid is set behind a concentrate concentrated large well; in a concentrate pulp filtering system with a concentrate thick pulp mixing tank, a dosing point of the filter aid is set behind the concentrate thick pulp mixing tank; a filter aid dosing device is composed of a filter aid storage tank, a filter aid feeding pump and a filter aid header tank which are sequentially connected and is controlled through an automatic dosing control system; the automatic dosing control system is composed of a control device, a pulp flowmeter, a filter aid flowmeter, an electrically operated valve and an electromagnetic valve, wherein the pulp flowmeter, the filter aid flowmeter, the electrically operated valve and the electromagnetic valve are connected with the control device. According to different concentrate pulp filtering systems, the filter aid dosing points are reasonably set, and the dosing amount is controlled through the automatic dosing control system; accordingly, the concentrate pulp filtering efficiency is greatly improved, and the filter cake water content is lowered.

The invention discloses a fertilizer production apparatus. The fertilizer production apparatus comprises a uniform stirring box, a reaction barrel and a collection and fetching box, wherein the frontend and the rear end of the left side of the uniform stirring box are symmetrically provided with a gas conveying apparatus, the gas conveying apparatus comprises a gas conveying bottle, the right endof a first connecting pipe is fixedly connected with an air pressure box, the outer side of the air pressure box is provided with a motor, a cavity is arranged in a pressure keeping box, a reaction cavity is arranged in the reaction barrel, and the center of the upper end surface of the reaction barrel is fixedly connected with a discharging pipe.

The invention discloses a crack reinforcement device for roads and bridges. The device includes a reinforcement box, a mobile mechanism is installed on the lower portion of the reinforcement box, theright side of the lower portion of the reinforcement box is provided with a discharge hole, the upper portion of the reinforcement box is provided with a reinforcement and replacement opening, a reinforcement door mechanism is installed at the reinforcement and replacement opening, the middle in the reinforcement box is provided with a separation plate, the right side of the reinforcement box is provided with a water storage mechanism, the upper portion of the left side of the reinforcement box is provided with a control mechanism, the left side of the separation plate is provided with variousraw material storage mechanisms, and the right side of the separation plate is provided with a stable mixing mechanism. The device has the advantages that operation is convenient and the practicability is high.

The invention provides a high-performance liquid chromatograph capable of controlling the flow rate, comprising a double-pump plunger pump in series driven by a cam, a control system, and the series plunger pump including a main pump chamber and a main pump head plunger , an auxiliary pump chamber, an auxiliary pump head plunger, and an outlet check valve for connecting the main pump chamber and the auxiliary pump chamber, the control system is used to control the movement of the main pump head plunger and the auxiliary pump head plunger, The control system is also used to perform the following steps cyclically: obtain a calculated value of the opening point of the outlet check valve according to the system pressure and the configuration parameters of the liquid chromatograph; then obtain a calibration value of the opening point of the outlet check valve according to the system pressure ; Add the calculated value to the calibration value to obtain the actual value of the opening point of the outlet check valve; obtain a compression volume according to the actual value; and control the rotation speed of the cam according to the compression volume. The liquid chromatograph of the invention ensures the mixing ratio of the mobile phase and improves the accuracy of the measurement results.

The invention relates to a dry-sprayed concrete spray gun with functions of intelligent positioning, pressure control and stirring, and belongs to the technical field of concrete spraying tools. The feed pipe, quick-setting agent ring, pressure water ring, mixing chamber and discharge pipe are set in sequence and there is a shell on the outside. There are threads inside the stirring chamber, and there are fixed gears meshing with the transmission gear outside. The transmission gear is driven by a motor, and the shell There are multiple radar transceivers on it, and multiple radar transceivers are connected with the computer radar distance analysis system and the compressed air pressure control system for real-time data transmission. The invention avoids the generation of dust, avoids the waste of concrete, ensures the strength of the concrete, makes the concrete adhere firmly and is not easy to drop.

The invention relates to scene explosive mixed loading equipment. The scene explosive mixed loading equipment comprises a chassis, a substrate cabin, a sensitizer box and a pumping system, wherein the substrate cabin and the sensitizer box are connected with the pumping system; the pumping system comprises a substrate pump, a sensitizer pump, a connecting rod, a pin shaft, a bracket, a connecting block, a mounting plate and a bolt; a piston rod of the substrate pump is connected with the connecting rod through the pin shaft; the other end of the connecting rod is connected with the bracket through the pin shaft; the connecting block is arranged at the middle part of the bracket; and the sensitizer pump is mounted on the connecting block. The scene explosive mixed loading equipment is simple in structure and continuous in feeding, and greatly reduces the labor intensity of workers when greatly improving the loading efficiency.

The invention relates to the field of liquid rocket engines, in particular to a thermal test device for real supply conditions of an injector of a gas-pneumatic thrust chamber, so as to solve the problem that the existing thermal tests of the thrust chamber and its injector are aimed at the mixed combustion of liquid propellants Or the thrust chamber injector of gas-liquid mixed combustion, the test method and test device cannot be used in the hot test of the thrust chamber injector of gas-gas mixed combustion. The device includes a thrust chamber test piece unit, an oxygen-rich gas generator unit and a fuel-rich gas generator unit. The thrust chamber test piece unit includes the thrust chamber test piece, the thrust chamber test piece is used to install the injector under test, the oxygen-enriched gas generator unit includes the oxygen-enriched gas generator, the fuel-rich gas generator unit includes the rich-burn gas generator, The outlets of the oxygen-enriched gas generator and the fuel-rich gas generator are respectively connected to the thrust chamber test piece, and are used to supply oxygen-enriched gas and fuel-rich gas to the thrust chamber test piece.

The invention discloses a coke oven circulating flue gas double-control pipe network device and an application method thereof, belonging to the field of coke oven equipment in metallurgy and coking industries. The present invention includes a coke oven. The carbonization chamber and the combustion chamber in the coke oven are arranged alternately. The combustion chamber is separated into two parts communicated with each other by a vertical fire passage. Port B of the combustion chamber; the flue gas main pipe is connected to the chimney of the coke oven, and a circulation fan is installed on the flue gas main pipe; the mixing box is divided into two disconnected spaces, and each space is connected with the flue gas through a separate flue gas branch pipe. The main pipe is connected; the port A of the combustion chamber is respectively connected with the chimney, a space in the mixing box and the fuel inlet of the coke oven, and the port B of the combustion chamber is respectively connected with the chimney, another space in the mixing box and the fuel inlet of the coke oven. The invention optimizes and transforms the existing coke oven with low cost and low construction difficulty, and solves the problem that the nitrogen oxide discharge of the coke oven exceeds the standard.