Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

9results about How to "Reduce driving time" patented technology

Methanol rectification system capable of increasing methanol yield

The utility model discloses a methanol rectification system capable of improving methanol yield, which is characterized by comprising a crude methanol preheater, a pre-rectification tower, a pre-prognosis methanol pump, a pressurizing tower inlet preheater, a pressurizing tower, an atmospheric tower, an atmospheric tower condenser, an atmospheric tower reflux tank, an atmospheric tower product cooler and a methanol storage tank, and the cold medium outlet of the pressurizing tower inlet preheater is also communicated with the feeding hole of the atmospheric tower through a pipeline. The method has the advantages that in the start-up process, tower bottoms in the pre-rectifying tower are heated by the tower inlet preheater of the pressurizing tower and are supplied to the pressurizing tower and the atmospheric tower respectively, so that the time required for establishing the liquid level of the atmospheric tower can be shortened, the start-up time of the system is shortened, the output time of refined methanol is prolonged, and finally the yield of methanol is increased; the heat carried by the steam discharged from the top of the pressurizing tower can be recycled, and the methanol carried by the steam can be recovered, so that the yield of the methanol is increased.
Owner:INNER MONGOLIA JUNZHENG CHEM IND CO LTD

Treatment device of system for reducing discharged air to go to flare during start-up of coal hydrogen production and ammonia synthesis device

The utility model provides a treatment device of a system for reducing vent gas to enter a torch during starting of a coal hydrogen production and synthesis ammonia device, which comprises a gasification washing tower which is respectively connected with a gasification torch-removal vent pipeline valve, a gasification crude synthesis gas delivery valve and a crude synthesis gas inlet heating furnace valve through pipelines, the gasification torch-removing emptying pipeline valve is connected with a conversion device heating pipeline emptying valve through a pipeline, and the conversion device heating pipeline emptying valve is respectively connected with a first water separator, a purification tank A inlet valve and a purification tank B inlet valve through pipelines; the bottoms of the purification tank A inlet valve and the purification tank B inlet valve are connected with purification tanks through pipelines. According to the treatment device for reducing the discharged air to enter the torch system during the start-up of the coal hydrogen production and ammonia synthesis device, the problem of low temperature of crude synthesis gas produced by a gasification device during the start-up stage is effectively solved in the existing coal hydrogen production and ammonia synthesis project production process, and waste caused by the fact that the crude synthesis gas is fed into the torch system due to low temperature is avoided.
Owner:FUJIAN EVERSUN TECH CO LTD

Method for reversely driving MTBE-butene device

The invention provides a method for reverse driving of an MTBE-butene device, and belongs to the technical field of 1-butene preparation processes, after heavy C4 in a mixed C4 tank is introduced into a first rectifying tower through a pipeline to remove light components, C4 fractions at the bottom of the first rectifying tower are sent to a second rectifying tower, the C4 fractions are separated in the second rectifying tower, and 1-butene is obtained. Heavy components are removed, part of gas at the top of the second rectifying tower is condensed by a condenser, part of gas is sent out as a butene-1 product, and n-butane and butene-2 at the bottom of the second rectifying tower are sent to an isomerization unit. According to the method disclosed by the invention, the time for producing qualified 1-butene products can be shortened from 72 hours to 24 hours, so that the time for producing 1-butene is effectively shortened, and the preparation efficiency is improved.
Owner:PUCHENG CLEAN ENERGY CHEM CO LTD

A high-speed shaft bearing outer sleeve mounting device

The utility model relates to bearing outer sleeve spare technical field, concretely relates to a high -speed axle bearing outer sleeve spare mounting device, including travelling crane, lifting ring screw and mounting bracket, the mounting bracket includes base, the vertical support column is installed on the base, the support column is connected with the lower surface of support ring, and the axis line of support ring is vertical setting, the lifting ring of lifting ring screw is used for connecting with travelling crane, and the threaded rod of lifting ring screw is used for connecting with the thread lifting hole on high -speed axle end face. The utility model supports bearing outer sleeve spare through the support ring of mounting bracket, avoids bearing outer sleeve spare rotation, can realize the vertical installation of the self -aligning roller bearing and bearing outer sleeve spare, shortens the time of travelling crane occupation, need not use the copper hammer or copper bar to knock the installation, reduces the dependence on the experience of worker, reduces the strain of self -aligning roller bearing, guarantees the coaxality of self -aligning roller bearing and bearing outer sleeve spare more easily, the inner wall of bearing outer sleeve spare will also automatically limit the skew of self -aligning roller bearing, further reduces the risk of strain.
Owner:JIER MACHINE TOOL GROUP

Feed gas desulfurization process for ammonia synthesis device

The invention provides a feed gas desulfurization process for a synthetic ammonia device, relates to the technical field of synthetic ammonia, and solves the technical problem that a large amount of energy is wasted due to the fact that an existing hydrodesulfurization system is started after shutdown and temperature is raised in advance. The feed gas compressor is further provided with a heating gas path used for heating the desulfurization unit in advance, and the heating gas path is communicated with a first gas path used for introducing heating nitrogen and a second gas path used for recycling heating feed gas. The energy consumption is reduced, the heating efficiency is improved, and the driving time is shortened; the regeneration of an active phase in the regeneration process of the catalyst of the desulfurization unit can be ensured, organic sulfide is converted into inorganic sulfide (such as H2S) which is easy to remove, and the desulfurization efficiency is improved; the device is suitable for rapid temperature rising and heating during driving and is also suitable for raw material gas recovery during parking.
Owner:CHONGQING JIANFENG CHEM

Operating system driving method and device, electronic equipment and storage medium

The invention discloses an operating system driving method and device, electronic equipment and a storage medium. The operating system driving method comprises the steps that when it is detected that newly-added hardware is connected with an operating system, and when it is determined that a basic drive of hardware the same as the hardware type of the newly-added hardware exists, the basic drive is set as the drive of the newly-added hardware; acquiring newly-added hardware performance parameters of the newly-added hardware driven by the basic drive, and acquiring first hardware parameters of the newly-added hardware and second hardware parameters of the hardware with the same hardware type as the newly-added hardware after determining that the newly-added hardware performance of the newly-added hardware driven by the basic drive does not reach the standard, determining a difference shielding parameter of the newly added hardware according to the first hardware parameter and the second hardware parameter; and adjusting the basic drive according to the difference shielding parameter to obtain a difference shielding drive of the newly-added hardware, so as to drive the newly-added hardware by adopting the difference shielding drive. The driving time is effectively shortened, and the driving efficiency is improved.
Owner:CHINA SOUTHERN POWER GRID COMPANY

Condensation refrigeration system of VOCs treatment device

The utility model relates to the technical field of coal chemical equipment, in particular to a condensation refrigeration system of a VOCs (volatile organic compounds) treatment device, which comprises a first heat exchanger tube pass input end connected with a first liquid phase propylene conveying branch tube, a tube pass output end connected with a first output branch tube, a shell pass input end connected with a refrigerant conveying tube, and a second heat exchanger tube pass output end connected with a second liquid phase propylene conveying branch tube. The shell pass output end is connected with a first refrigerant output pipe; the tube pass input end of the second heat exchanger is connected with a second liquid-phase propylene conveying branch pipe, the tube pass output end of the second heat exchanger is connected with a second output branch pipe, the shell pass input end of the second heat exchanger is connected with a first conveying pipe for flowing VOCs and methanol gas, and the shell pass output end of the second heat exchanger is connected with a second conveying pipe; the tube pass input end of the third heat exchanger is connected with the first refrigerant output pipe, the tube pass output end is connected with the second refrigerant output pipe, the shell pass input end is connected with the second conveying pipe, and the shell pass output end is connected with the third conveying pipe. According to the utility model, the problems of poor pre-cooling effect, long driving time and high power consumption of the compressor are solved.
Owner:PUCHENG CLEAN ENERGY CHEM CO LTD

A touch panel and a touch method, device and equipment

The present application discloses a touch panel and a touch method, device, and equipment, including: multiple touch partitions, the touch partitions including multiple touch electrodes and multiple touch traces connected to the touch electrodes in a one-to-one correspondence; a touch chip and multiple data selectors, the touch chip is connected to the touch trace in one of the touch partitions through one of the data selectors, and the data selector is used to connect the connection between the touch trace in the corresponding touch partition and the touch chip under the control of a selection signal. The present application can turn on one or more touch partitions in each stage during driving, reduce the trace area of ​​each touch partition, reduce the load, and at the same time shorten the driving time, reduce the noise impact of the display panel on the touch, and improve the SNR performance; it is suitable for active pen drive and non-active pen drive, suitable for large-size touch panels, and the technical solution can be implemented through algorithm processing without increasing costs.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Door lock motor control method and device, electronic equipment and storage medium

ActiveCN119616315AReduce stall timeReduced probability of fatigueDc motor stoppersElectrical locking circuitsControl systemControl engineering
The invention provides a door lock motor control method and device, electronic equipment and a storage medium, and is applied to a door lock control system, the system comprises a driving layer, an equipment abstraction layer and an application layer, and the method comprises the following steps: receiving a pawl state uploaded by the driving layer; performing first verification operation on the pawl state to obtain a first pawl state, and meanwhile, uploading the pawl state as a second pawl state to an application layer to enable the application layer to generate a motor braking instruction under the condition that the application layer monitors that the second pawl state is changed; and if the first pawl state is the same as the second pawl state, a motor braking instruction from the application layer is issued to the driving layer, so that the driving layer responds to the motor braking instruction, and a door lock motor is controlled to stop running. According to the technical scheme, generation of the motor braking instruction and verification of the pawl state are executed synchronously, the motor can be controlled to stop running in time under the condition that motor braking false triggering is avoided, and the locked-rotor time of the door lock motor is effectively shortened.
Owner:CHONGQING SELIS PHOENIX INTELLIGENT INNOVATION TECH CO LTD