34results about How to "Easy to control and maintain" patented technology

The invention discloses a vacuum sewage collecting and treating system. The vacuum sewage collecting and treating system comprises a sewage gathering pipeline, a vacuum collection well, a vacuum conveying pipeline, a vacuum pump station and a sewage treating device, wherein the sewage enters the vacuum collection well through the sewage gathering pipeline; when the sewage collected in the well reaches a certain amount, the sewage enters the vacuum pump station along the vacuum conveying pipeline; when the liquid level of the sewage in a vacuum sewage storage tank reaches a predetermined liquid level, the sewage conveying pump is started and is used for conveying the sewage to the sewage treating device to purify the sewage. Through the vacuum sewage collecting and treating system, the domestic sewage collection method is changed from the conventional gravity collection into vacuum collection; the sewage treatment is charged from a manner of discharging the sewage into a sewage pipe net and carrying out centralized treatment on the sewage to a process of carrying out on-site treatment by using a small integrated membrane treatment device; collection and treatment are integrated to a complete set of system; the system is not limited by basic supporting facilities and is not required to relay on urban drainage facilities; the system is integrated with the ecological environmental protection technology with efficient collection and efficient treatment functions and is especially suitable for regions such as small towns and countries and the like in which sewage treatment plants are unsuitably built.

The present invention discloses a curved gate automatic switch. It includes water storage cavity, frame, pulley, gate, steel rope and automatic contraction device connected with steel rope. On the frame, a jack horizontal starting switch is set, the inner side of said gate is equipped with an operation door. It is characterized by that on the frame a lever starting machine and a gear are set, said lever starting machine is connected with gate by means of steel rope, on the operation door of inner side of said gate a multi-bar mechanism is mounted, and said multi-bar mechanism is connected with steel rope and automatic contraction device. Said invention also provides the working principle of said curved gate automatic switch and its concrete operation method. Said invention can attain the goal of automatically and safely discharging flood.

Aiming at the defects of high equipment investment, high operation cost, large occupied area and the like in an ultralow-concentration and large-air-volume organic waste gas mainstream treatment process, the invention discloses a VOCs adsorption-plasma catalytic regeneration device and a treatment system and process. The adsorption-plasma catalytic regeneration device comprises a gas tank, a plasma discharge unit and an adsorption/catalyst unit. The plasma discharge unit comprises a plasma pulse power supply and a flat discharge structure. The adsorption/catalyst unit is arranged between the discharge electrodes and adopts a three-section design, namely a high-efficiency adsorption catalysis section, a buffer section and a medium-efficiency adsorption catalysis section. The high-efficiencyadsorption catalysis section is filled with a noble metal modified molecular sieve; the buffer section is hollow; and the medium-efficiency adsorption catalytic section is filled with a common metal-loaded molecular sieve. The whole device realizes the integration of adsorption, desorption and treatment units, and simplifies the treatment system. The whole process is controlled by a PLC, 24-hourcontinuous and stable operation is achieved, and VOCs are efficiently removed.

The invention discloses an intelligent controller of an automatic automobile washing system and a control method of the intelligent controller. The intelligent controller comprises a central control module, and an automobile detecting module, a relay module, a showing and indicating module and a warning module which are connected with the central control module, wherein the automobile detecting module comprises a driving infrared detecting module, a passive infrared detecting module and a pressure detecting module. Compared with the prior art, the intelligent controller of the automatic automobile washing system provided by the invention can well assist a conventional automatic automobile washing system, and accurately judges the situation whether the automobile enters, so that the conventional automatic automobile washing system is more automatic and intelligent; with the adoption of the intelligent controller, the owner of the automobile can operate by oneself, and can also select quick washing or slow washing in a self-service manner according to the time arrangement, so that the cost for employing workers can be reduced, and the comprehensive automobile washing cost is reduced.

The invention discloses a special refrigeration system for large-medium refrigeration houses. The system comprises a central control unit, a gas compression system, a condensation system, an evaporation system, a power supply module, a wire signal control terminal, a touch screen controller and a remote mobile terminal; an input end of the central control unit is electrically connected with an output end of the wire signal control terminal; and an output end of the wire signal control terminal is in two-way connection with a remote controller. The special refrigeration system for large-medium refrigeration houses integrates two practical and convenient control modes of manual control and remote control, is convenient to quickly control the operation thereof, adopts the remote control mode to monitor the temperature in the refrigeration houses in real time, is convenient to automatically adjust the temperature in the refrigeration houses, facilitates users to control the temperature in the refrigeration houses at any time in any place, and is convenient for use, safe and reliable.

The invention provides a box opening device, a packaging machine and a computer readable medium. The box opening device is used for opening a box blank and comprises a material taking unit capable ofgrabbing the box blank, a side pushing piece arranged on one side of the material taking unit and a first driving unit connected with the side pushing piece to drive the side pushing piece to move ina multi-section mode in the direction close to the material taking unit; the packaging machine comprises the box opening device; and the computer readable medium can be connected with the box openingdevice to control the box opening device. According to the box opening device, the packaging machine and the computer readable medium, through the arrangement of the side pushing piece and the first driving unit connected with the side pushing piece, the side edge or the side face of the box blank can be pushed multiple times through the side pushing piece, so that the box blank generates multipletimes of preset deformation so as to be gradually opened, the situation that the box blank is damaged due to uneven stress transmission of the box blank in the one-time deformation process is effectively avoided, the structure is simple, and the control and maintenance are easy.

The invention discloses nutrient soil for cultivating agrocybe cylindracea and a recycling method thereof. The nutrient soil comprises cottonseed shells, wheat husk, peat, coconut bran, wood chips, lime, bagasses, corn cob, compound nutrient soil, an organic fertilizer, urea and potassium phosphate. The recycling method includes the steps: (a) recycling waste nutrient soil for the first time; (b)mounting a nutrient soil collection box; (c) recycling waste nutrient soil for the second time; (d) spraying with itaconic acid fermentation mother liquor; (e) mounting a waste nutrient soil chargingdevice; (f) loading into the nutrient soil collection box; (g) quantitatively charging the waste nutrient soil; (h) recycling an empty nutrient soil collection box; (i) continuously charging the wastenutrient soil; and (j) discharging out a filler. The nutrient soil has the advantages of loose external structure and compact internal structure, good permeability, strong water storage, rich nutrient substance content, and improvement of the harvesting yield of agrocybe cylindracea. The method recycles the waste nutrient soil, has good effect of exhaust gas treatment, and reduces the cultivationcost of agrocybe cylindracea.

The invention relates to a hand-held wireless control system for a street lamp ad hoc network system, which consists of a hand-held wireless background (1), a short-distance wireless communication module (2), a setting data channel (3) and an upgrade program data channel (4). The system is not required to be supported by a computer and the internet. Street lamps can be set and maintained in an off-line manner. Circuit boards of the street lamps are not required to be removed or be in wired connection for service and maintenance. The system can control the street lamps to be turned on or off, adjust brightness of the street lamps, and set longitude and latitude position information of the street lamps independently or in batch. Therefore, the control of the setting and maintenance of the street lamps is facilitated greatly.

The invention discloses an electric compression heat pump combined cascade heat exchange large-temperature-difference pressure isolation unit. The problem of how to stably reduce the return water temperature of a primary network under the condition of meeting the pressure isolation function of a pressure isolation station simply and conveniently at low cost is solved; a pressure isolation heat exchange unit formed by sequentially connecting a plate heat exchanger and four electric compression heat pumps in series is arranged in the pressure isolation station between a primary pipe network anda secondary pipe network, high-temperature hot water of the primary pipe network is stably cooled to the design requirement of the return water temperature of the primary network in a stepped manner,and return water of the secondary pipe network is stably heated to the temperature close to the water supply temperature of the secondary pipe network in a stepped manner through replaced heat and issupplied out after being mixed with output water of the plate heat exchanger. According to the electric compression heat pump combined cascade heat exchange large-temperature-difference pressure isolation unit, and large-temperature-difference pressure-isolation heat exchange between the primary pipe network and the secondary pipe network is easily achieved at low cost.

The invention discloses a LNG reusing device comprising a vaporizer A and an LNG storage tank; one end of the vaporizer A is connected to a tanker pressurized gas phase port through a tanker pressurized gas phase pipe, and the other end of the vaporizer A is connected to a tanker pressurized liquid phase port through a tanker pressurized liquid phase pipe; one end of the vaporizer A is connected to an upper gas phase port of the LNG storage tank through a gas phase pipe of the LNG storage tank, and the other end of the vaporizer A is connected to a lower liquid phase port A of the LNG storagetank; an upper liquid phase port of the LNG storage tank is connected to a tanker unloading liquid phase port through an upper unloading liquid phase pipe and an unloading liquid phase pipe, and the lower liquid phase port A of the LNG storage tank is connected to the tanker unloading liquid phase port through the liquid phase pipe of the LNG storage tank and the unloading liquid phase pipe; the upper gas phase port of the LNG storage tank is connected to a downstream pipeline interface through a gas supply gas phase pipe, and a lower liquid phase port B of the LNG storage tank is connected tothe downstream pipeline interface through a gas supply liquid phase pipe. According to the LNG reusing device disclosed by the invention, the independent technology and device in the prior art are integrated, so that the technology and device structure are simplified; and the device construction cost is saved, and the field installation workload is reduced.

The invention provides an intelligent smoke-induction control pneumatic smoke exhausting window. The intelligent smoke-induction control pneumatic smoke exhausting window comprises a pneumatic smoke exhausting window body, a box, a PLC control system, a pneumatic electromagnetic valve and a gas-water separator, wherein the PLC control system, the pneumatic electromagnetic valve and the gas-water separator are arranged in the box. The pneumatic electromagnetic valve is of a three-way structure, one end outlet of the pneumatic electromagnetic valve is connected with a pipeline of the gas-water separator, and the other two end outlets of the pneumatic electromagnetic valve are connected with an air cylinder of the pneumatic smoke exhausting window body. The gas-water separator is connected with a gas storage tank. The gas storage tank is connected with an air compressor. The PLC control system is connected with the pneumatic electromagnetic valve through a line. The PLC control system controls the pneumatic electromagnetic valve to achieve inflation and deflation of the air cylinder and determine the inflation quantity and deflation quantity of the air cylinder, and is connected with a fire-fighting sub-controller. A time switch and a time relay are also arranged in the PLC control system. The intelligent-control smoke-induction pneumatic smoke exhausting window has the advantages and beneficial effects that the pneumatic window can be controlled to be intelligently opened and closed at multiple angles, and the gas storage tank can be connected with multiple pneumatic windows at the same time. The intelligent smoke-induction control pneumatic smoke exhausting window can be opened and closed everyday at regular times, can also be opened for a period of time each time, and is high in integrated combined valve.

The invention discloses a pre-dyeing pretreatment system of an environment-friendly fiber product and a dyeing method of the system. The pre-dyeing pretreatment system comprises a machine box and a water tank fixedly connected to the front side of the interior of the machine box; a partition plate is fixedly connected between the inner wall of the machine box and the rear side of the water tank; and a dust removal assembly is fixedly connected between the front face of the partition plate and the upper right corner of the front side of the inner wall of the machine box. The invention relates to the technical field of dyeing equipment. According to the pre-dyeing pretreatment system of the environment-friendly fiber product and the dyeing method of the pre-dyeing pretreatment system, by arranging the dust removal assembly, dust removal treatment can be conducted on the surface of cloth before the cloth is dyed, and dust and broken fibers on the surface of the cloth are removed, so that the surface quality of the cloth is improved; the assembly is provided with two sets of convection structures, air circulation is achieved through an air pump, and air is blown on one side and sucked on the other side, so that relatively firm impurities attached to the surface of the cloth can be blown up and then sucked away, and the cleaning effect is better; and meanwhile, circulating air flow can be prevented from being brought into external air as much as possible, and therefore extra impurities such as dust and short fibers can be avoided.

The invention relates to a big clock system based on a mobile network, belonging to the technical field of the clock calibrating device. The system comprises clock central systems which are in communication connection mutually and big clock systems used for controlling the big clock manually and directly, wherein the clock central systems and the big clock systems are in the communication connection with a mobile monitoring system through the Ethernet 15 and the mobile operational network 16 respectively. The invention is characterized in that the big clock system has reasonable structure and design, the steps of installation and construction are not needed, the appearance of buildings can not be damaged, the geographical position and the neighboring environment can not be considered, data can be collected in real time, the centralized management of big clocks can be realized, the control and maintenance of big clocks are convenient, fault information can be analyzed at the top speed, and the best solution can be obtained for maintenance.