76results about How to "Reduce equipment failure rate" patented technology

The invention discloses a granulating system and a method thereof, and belongs to the field of chemical fertilizer production. The granulating system comprises a tower body, a feeding device and a material receiving device, wherein the cross section of the tower body is polygonal; at least two spray heads are arranged at the periphery of the top of the tower body; the feed opening of each nozzle is communicated with a discharge opening of the feeding device; first exhaust pipes arranged at the top of the tower body wind extend out of the tower body across the top of the tower body, and are communicated with a temperature and humidity lowering device outside the tower body; the air outlet of the temperature and humidity lowering device is communicated with the air inlet of an induced draft fan; the induced draft fan is positioned at the position close to the bottom of the tower body outside the tower body; the induced draft fan is communicated with the inner cavity of the tower body; a dust remover is additionally arranged on a second exhaust pipe; a powder outlet of the dust remover is communicated with the feeding device. According to the granulating system disclosed by the invention, the height of the tower body is lowered by 20-50%; the maximum radius of the tower body is smaller than 8m; granulation is not influenced by seasons or weather; various problems which are confronted with when chemical fertilizers are produced through tower granulation can be solved, and safe and stable production of composite fertilizers is realized.

The invention discloses a two-roller rolling machine manual roller replacing device and a roller replacing method. A roller replacing frame, a lifting device and a spiral rotation push-pull device areincluded. The lifting device is arranged on the roller replacing frame. A part of a walking track of the lifting device stretches out of the roller replacing frame. A threaded rod of the spiral rotation push-pull device is in threaded connection with the roller replacing frame. Compared with the prior art, the two-roller rolling machine manual roller replacing device has the beneficial effects that the two-roller rolling machine manual roller replacing device is a purely-manual mechanical roller replacing device, a crane does not need to be used in the roller pushing-pulling process, electricand large hydraulic facilities and other electrified facilities are avoided, the operation safety coefficient is high, the equipment weight is small, the occupied area is small, the structure is simple and easy to control, the maintenance and repairing cost and the equipment fault rate are very low, the roller replacing efficiency is basically equal to the roller replacing efficiency of an automatic roller replacing trolley, a large amount of labor does not need to be occupied, and two workers can finish the roller replacing operation.

The invention discloses a power distribution cabinet with an electric energy management remote monitoring function. The power distribution cabinet comprises a machine cabinet, a monitoring terminal which is installed outside the machine cabinet, and an electric energy controller, an electric energy monitoring device, an electric energy meter, a power amplifier, a data acquisition unit and a communication unit which are installed in the machine cabinet. The electric energy meter is electrically connected with the communication unit via the data acquisition unit. The power amplifier is arranged between the data acquisition unit and the communication unit. The communication unit is connected with the monitoring terminal arranged outside the machine cabinet in a communication way. With application of the aforementioned mode, electric energy utilization efficiency in the power distribution cabinet can be remotely monitored in real time, the working condition data of the electric energy meter are acquired by utilizing the electric energy monitor, the electric energy monitoring device and the data acquisition unit, and the acquired working condition data are uploaded to the monitoring terminal after format conversion by utilizing the communication unit so that electricity utilization reliability and electric energy efficiency can be enhanced, and operation cost and equipment failure rate of the power distribution cabinet can be reduced.

The invention discloses a control system for a main steam isolating valve for a nuclear power platform and a testing method, and relates to the technical field of nuclear power unit control. The control system comprises a master station, wherein the master station is in signal connection with a controller and a data server, the controller is in signal connection with the data server and a priorityselector; the priority selector is in signal connection with the controller, a standby console and a control cabinet; the control cabinet is electrically connected with an executing mechanism of themain steam isolating valve. With the adoption of soft operation control of the master station, automation level of the control system for the main steam isolating valve is improved, multiple control instructions are automatically sorted by the priority selector, so that misoperation of the valve is greatly reduced, and equipment failure rate caused by human factors is effectively reduced.

The invention relates to a desulfurization wastewater zero discharge device. In the prior art, desulfurization wastewater is discharged after being purified. The desulfurization wastewater zero discharge device provided by the invention consists of a desulfurization system, a two-section wastewater cyclone, an ultrasonic atomization nozzle, a dust remover, a wastewater pump and a wastewater delivery pump, wherein the two-section wastewater cyclone comprises a cyclone body, an overflow pipe and a filtering net; an inlet and an underflow orifice of the cyclone are connected with the desulfurization system; an overflow port is connected with the ultrasonic atomization nozzle; an inlet flue is arranged on the dust remover; the ultrasonic atomization nozzle is communicated with the inlet flue on the dust remover; the dust remover is connected with the desulfurization system. The desulfurization wastewater zero discharge device disclosed by the invention is reasonable in structural design, wastewater drainage is avoided, water resources are saved, the space and cost are also saved, and inorganic salt ions and heavy metal ions in the wastewater can be effectively removed.

The invention relates to a mixed bed recovered acid and alkali liquid preparing system which comprises an acid measuring tank, an alkali measuring tank, a first sprayer, a second sprayer and a hydrochloric acid pipe, wherein a demineralized water pipe is connected with a first sprayer inlet and a second sprayer inlet. The mixed bed recovered acid and alkali liquid preparing system is characterized by being provided with a hydrochloric acid pipe, a sodium hydroxide pipe, an industrial water pipe and an acid mist absorber, wherein the hydrochloric acid pipe is connected with an acid inlet of the acid measuring tank, the acid measuring tank is connected with the acid mist absorber and an acid discharging pipe, an acid outlet of the acid measuring tank is connected with an acid liquid inlet of the first sprayer, the sodium hydroxide pipe is connected with an alkali inlet of the alkali measuring tank, the alkali measuring tank is provided with an alkali discharging pipe, an alkali outlet of the alkali measuring tank is connected with an alkali liquid inlet of the second sprayer, the industrial water pipe is connected with the acid mist absorber, a second branch pipe of the water pipe is connected with a first branch pipe of the water pipe and an acid tank water inlet, and the first branch pipe of the water pipe is connected with an alkali tank water inlet. The mixed bed recovered acid and alkali liquid preparing system is high in regeneration efficiency and the operation difficulty is lowered.

The invention provides paper conveying equipment with an air suction mechanism moving along with a baffle at a paperboard discharge position. The paper conveying equipment comprises a first arrangement wallboard and a second arrangement wallboard; the first arrangement wallboard and the second arrangement wallboard are arranged in a mutually symmetrical manner; a paper conveying belt mechanism, apaperboard following moving mechanism and the air suction mechanism are arranged between the first arrangement wallboard and the second arrangement wallboard; the paper conveying belt mechanism is located above the paperboard following moving mechanism; and the air suction mechanism is arranged at the bottom of the paper conveying belt mechanism. The paper conveying equipment overcomes at least one defect in the prior art, accurate conveying of a paperboard is ensured, the rejection rate of a product and an equipment failure rate are reduced effectively, and the production efficiency is further improved.