33results about How to "Simplified replacement procedure" patented technology

The invention relates to the technical field of crop culture, in particular to a seed germination or seedling hydroponic device. The device comprises a hydroponic plate and a hydroponic case, wherein the top of a case body of the hydroponic case is open, the hydroponic plate is located in the hydroponic case and floats on the surface of a solution in the hydroponic case, and a plurality of pores are formed in the hydroponic plate, so that roots can enter the solution in the hydroponic case through the pores after the seeds germinate. The hydroponic plate floats on the surface of the solution in the hydroponic case, the crop seeds can be partially contacted with the solution and partially contacted with the air, sufficient oxygen is supplied to the seeds while the seeds imbibe and absorb water fully, the hydroponic plate taken out is put in the hydroponic case accommodating a replaced culture solution, and replacement of the culture solution can be completed; the device can be used for batch seed germination and screening tests, realizes integration of germination and seedling culture, simplifies the intermediate process of sand culture and seedling transplanting, reduces damage to the seedlings and particularly the roots of the seedlings, and shortens the time for seedling recovery due to replacement of a culture medium.

The present invention is related to a tool head for chip removing metal machining tools having a cutting insert (3), comprising a basic holder (1) and an insert holder (4) connected therewith, which in the front portion thereof is formed with an insert pocket (7), which is formed between a lower support part (6) and an upper clamping portion (5). The upper clamping portion (5) is actuatable by means of a press arrangement into clamping surface engagement with the cutting insert (3), which is insertable into the insert pocket, the tool being formed with a slot (20) spaced-apart from the insert pocket. The press arrangement comprises a clamping screw (19), which is received in a bore (15) in the basic holder, and a nut roll (11a) adapted to receive the clamping screw, the nut roll being received in a recess (10a) in the basic holder. The recess (10a) is oriented perpendicularly to the longitudinal direction of the cutting insert and the insert pocket. Upon co-operation with the clamping screw (19) during tightening of the clamping screw, the nut roll (11a) is adapted to be imparted movement substantially in the axial direction of the clamping screw radially outwards, such that the nut roll is displaced into said slot (20) and thereby accomplishes such a deflection of the upper portion of the holder that a clamping of the cutting insert (3) is accomplished by this deflection. <IMAGE>

The invention belongs to the technical field of wastewater treatment, and in particular relates to a method for pre-treating hard-degradable wastewater by a catalyzed iron inner electrolysis fluidized bed, which comprises the following specific steps that: a suspended catalyzed iron inner electrolysis spherical vector is put into a fluidized bed body, wherein the addition amount of the suspended catalyzed iron inner electrolysis spherical vector is 10 to 60 percent of the active volume of the fluidized bed body; wastewater to be treated is introduced through a water inlet, and a valve on a reflux pipe or an inlet pipe is opened and regulated; a hydraulic fluidized bed is used as an oxygen-deficiency device or a hydrolysis device, and a reflux amount is determined according to the amount of the treated water, the cross sectional area of the bed body and the bulk specific weight of catalyzed iron fillers; a pneumatic fluidized bed is used as an aerobic treatment device, and the compressed air amount of the pneumatic fluidized bed meets the requirements of filler fluidization on the premise that the dissolved oxygen of the wastewater in the device is between 0.5 and 2.5 mg / L; air supply is 6 to 20 times of the amount of the treated water; when the pneumatic fluidized bed is used as a hydrolysis system, the concentration of the dissolved oxygen is less than 0.5 mg / L; the fillers in the fluidized bed body form circulation under the action of an internal guide cylinder and are discharged from a water outlet pipe through solid-liquid separation in a settling region; and a sludge discharge pipe is used for discharging residual sludge. The method is simple, simple in device structure and strong in operability, and can be adapted to the treating scales of different water yields.

The invention discloses a modular constant-temperature multi-filter cylinder oil mist purifying and deslagging filtration system, comprising an integrated dirty oil collection unit, two or more dirty oil filter units capable of simultaneously and / or alternately running, a backwash mechanism for backwashing filter elements in the dirty oil filter units by turns, a sludge filter unit for carrying out secondary filter on the sludge discharged from the dirty oil filter units, a temperature control unit for cooling and / or heating the clean oil output from the dirty oil filter units and sludge filter unit, and an oil tank for collecting the clean oil processed by the temperature control unit, and the like. The invention has the advantages of compact structure, small volume, easy assembly and maintenance, and low cost, can realize thermostatic control of the temperature of the cutting fluid, guarantees the processing precision, avoids the problems of back flow due to accumulation of dirty oil, oil temperature variation and the like in the backwashing process of the filter devices, can discharge slag conveniently and rapidly, can effectively realize the recycling of resource, energy conservation and environmental protection, and can increase the additional value of the products.

A printing machine in which automatic supply of ink from different types of ink container to the ink fountain is possible, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided. The printing machine comprises an ink fountain member 2 having fountain-forming faces forming an ink fountain 1; an ink fountain roller 3 for applying an ink to the outer peripheral surface through an ink channel between the ink fountain roller 3 and the ink fountain member 2; a plurality of rollers 4, 15 for supplying the ink applied to the outer peripheral surface of the ink fountain roller 3 to a printing portion; a plurality of ink containers 65, accommodating different types of ink, and being stored in a predetermined container storage unit 66; and an ink supply device 68 for holding the desired ink container 65 and supplying the ink therein to the ink fountain 1.

The invention relates to a deoxidation and drying integrated purifier, comprising an external cylinder and an internal cylinder, wherein a filling region is arranged in the internal cylinder and is divided into an upper layer and a lower layer, the upper layer is filled with deoxidant, reproducible silica gel is filled in the upper part of the lower layer, a molecular sieve is filled in the lowerpart of the lower layer, a tube plate arranged above the internal cylinder is welded with an electric heating element protective bushing and a temperature measurement element protective bushing, the electric heating element protective bushing and the temperature measurement element protective bushing extend into the filling region in the internal cylinder, an electric heating element is installedin the electric heating element protective bushing, a temperature measurement element is installed in the temperature measurement element protective bushing, a working gas inlet is arranged at the upper part of the side wall of the external cylinder and is communicated with the upper layer of the filling region of the internal cylinder, and a working gas outlet is arranged at the lower part of the side wall of the external cylinder and is communicated with the lower layer of the filling region of the internal cylinder. The device integrates the functions of deoxidation and drying, simplifies a process flow of a hydrogen purification system and supplies the technical support to safe, stable and continuous running of the hydrogen purification system.

A printing machine in which substantial automation of the replacement procedure is achieved, and thus significant simplification of replacement procedure, and reduction of time required for the procedure are achieved is provided. The printing machine comprises an ink fountain member 2, an ink fountain roller 3, a strip of sheet 39 of which middle part is placed over the ink fountain member 2, a sheet moving device 40, a pair of barrier plates 53 attracted to the ink fountain member 2 under the sheet 39 and attracted to the outer peripheral surface of the ink fountain roller 3 by a permanent magnet, a cleaning tank 56, a cleaning blade 57, a reciprocating device 58, a barrier plate replacing device 85, a plurality of ink containers 65 accommodating different types of ink and being stored in a container storage unit 66, and an ink supply device 86 for holding the desired ink container 65 and supplying the ink therein to the ink fountain 1.

A printing machine in which automatic supply of ink from different types of ink container to the ink fountain is possible, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided.The printing machine comprises an ink fountain member 2 having fountain-forming faces forming an ink fountain 1; an ink fountain roller 3 for applying an ink to the outer peripheral surface through an ink channel between the ink fountain roller 3 and the ink fountain member 2; a plurality of rollers 4, 15 for supplying the ink applied to the outer peripheral surface of the ink fountain roller 3 to a printing portion; a plurality of ink containers 65, accommodating different types of ink, and being stored in a predetermined container storage unit 66; and an ink supply device 68 for holding the desired ink container 65 and supplying the ink therein to the ink fountain 1.

The embodiment of the invention relates to the technical field of chemical engineering, and discloses a sight glass device. The sight glass device comprises a sight glass seat, a sight glass main body and a transparent film, wherein the sight glass seat is a hollow cylinder with two opposite openings, the sight glass main body is arranged at one opening of the sight glass seat and covers the opening, the other opening of the sight glass seat is circumferentially connected with production equipment, and the transparent film is arranged between the sight glass seat and the sight glass main body and separates the sight glass main body from the internal space of the production equipment. When production equipment runs, the transparent film prevents materials in the production equipment from adhering to or even corroding the sight glass body, the integrity and cleanliness of the sight glass body are protected, and the good observation effect of the sight glass body is maintained.

The invention relates to a power supply module with a quick-release filter screen. The power supply module comprises a shell, a fan, a filter screen frame and a filter screen, the shell is provided with a panel, and a ventilation opening is formed in the panel. The fan is arranged in the shell and corresponds to the ventilation opening; the filter screen frame is detachably arranged on the panel and corresponds to the ventilation opening; the filter screen is detachably arranged on the filter screen frame and covers the ventilation opening. Therefore, when the filter screen needs to be replaced, the filter screen can be replaced only by directly detaching the filter screen frame from the outer part of the enclosure without detaching the enclosure, so that the power supply module does not need to be moved out of the system through power failure, and the effect of quickly detaching and replacing the filter screen can be achieved.

The invention discloses a floating gravity support device at the end of a guide slip shoe of a coal cutter. The floating gravity support device comprises a guide slip shoe (10) and gravity support hydraulic cylinders (4), wherein the guide slip shoe (10) slides in a walking pin row (9); a hydraulic cylinder fixing seat (3) is composed of walking parts, a connection block (11) and an extension section (31) of the connection block (11); the walking parts are arranged on two sides of the walking part housing (1); the connection block (11) is connected with a coal cutter body; the upper ends of the gravity support hydraulic cylinders (4) are respectively arranged on two sides of the hydraulic cylinder fixing seat (3) through hinges (2); support slip shoes (8) are also arranged on two sides of the guide slip shoe (10), and slide on the walking pin row through the support slip shoes; the upper ends of the support slip shoes penetrate through the guide slip shoe and are connected with the lower ends of the gravity support hydraulic cylinders. According to the floating gravity support device, walking wheels are shared or even replaced with the floating gravity support device to support the gravity of the coal cutter; the contact stress between a transmission wheel and a walking wheel and between the walking wheel and a pin tooth is reduced, so that the plastic deformation of various wheel contact surfaces and meshing wear of various wheels are reduced; and the service life of the walking wheels is prolonged.

The invention provides a three-segment plug-in dual sensor for easy maintenance. The dual sensor includes a water detection part, a land detection part and a plastic fast-change plug, wherein the water detection part includes a water sensor and a waterproof cap, the water sensor and the waterproof cap are connected through a signal wire, the water sensor is provided with a convex assembling step,the land detection part includes a plug I, a casing, a hull and a plug II, the casing is internally provided with the hull, two ends of the hull are respectively connected with the plug I and the plugII through bearings, the casing is fixed with the plug I and the plug II through bolts, the water detection part and the land detection part are in threaded connection with a groove III in the plug Ithrough the convex assembling step, a lead wire of the hull is in elastic conductive connection with an integrated contact needle and a fast connector in the plug II, a signal wire of the water detection part is connected with the fast connector, two ends of the waterproof cap are respectively inserted into the plug II and a glue-coated interchangeable fast plug, and the fast connector is connected with a circuit board in the glue-coated interchangeable fast plug. The dual sensor is advantaged in that any damaged part can be randomly replaced and is simple to replace.

A printing machine in which the automation of the replacement of the barrier plate is easily performed, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided.The printing machine comprises an ink fountain member 2, an ink fountain roller 3, a pair of barrier plates 53 attracted to the fountain-forming face 37a of the ink fountain member 2 and the outer peripheral surface of the ink fountain roller 3 by a permanent magnet, and a barrier plate replacing device 85. The barrier plate replacing device 85 comprises a fountain-member turning device 36, a barrier plate stopper 110 for stopping the barrier plate rotated with the ink fountain roller 3 away from the fountain-forming face 37a by the turning of the ink fountain member 2 and turning the barrier plate in a direction away from the outer peripheral surface of the ink fountain roller 3, a moving body 88 capable of moving above the ink fountain 1 and being raised and lowered, and a barrier plate holding member 91 disposed in the moving body 88 to hold and release the barrier plate 53.

The invention relates to a power supply module integrating a quick-release filter screen and a handle. The power supply module comprises a shell, a fan, a filter screen frame, a filter screen and a handle, the shell is provided with a panel, and a ventilation opening is formed in the panel. The fan is arranged in the shell and corresponds to the ventilation opening; the filter screen frame is detachably arranged on the panel, is positioned outside the enclosure and corresponds to the ventilation opening; the filter screen is detachably arranged on the filter screen frame and covers the ventilation opening; and the handle is arranged on the filter screen frame. Therefore, when the filter screen needs to be replaced, the filter screen can be replaced only by directly detaching the filter screen frame from the outer part of the enclosure without detaching the enclosure, so that the power supply module does not need to be moved out of the system through power failure, and the effect of quickly detaching and replacing the filter screen can be achieved. In addition, the handle is arranged on the detachable filter screen frame, so that the handle can be prevented from being limited to theavailable area of the panel.

The invention relates to a light-emitting diode (LED) fluorescent lamp with rotatable lamp heads. The LED fluorescent lamp comprises a main body tube, a power plate component and the rotatable lamp heads, wherein a mask is arranged on the upper part of the main body tube; the left and right ends of the main body tube are respectively provided with the rotatable lamp heads; a lamp panel is arranged in an internal cavity of the main body tube; the power plate component is arranged at the upper end of the lamp panel; and the left and right ends of the lamp panel are respectively connected with the rotatable lamp heads through power connecting lines. The LED fluorescent lamp with the rotatable lamp heads has the advantages that: a power supply is directly integrated with the lamp panel by using a circuit; without disassembly of an inductive ballast, which comprises a starter, and an electronic ballast, an old fluorescent lamp can be replaced, so a replacement program is simplified; the two ends of the main body tube are provided with the rotatable lamp heads, so when the LED fluorescent lamp is applied to the conventional fluorescent lamp holder, an angular trouble can be avoided, a single head or double heads can be directly energized, and the LED fluorescent lamp is more convenient for operation; and by design of a spring structure, the LED fluorescent lamp can easily rotate without the help of any tool, so the LED fluorescent lamp can more convenient, more quickly and more safely operate at a high position.

The invention relates to a lamp and a circuit board fixed-connection structure thereof. The circuit board fixed-connection structure comprises a circuit board, four ejecting pins, an installing shell, a fixed column, a first ejecting-pin pressing piece and a second ejecting-pin pressing piece, wherein each ejecting pin comprises a connecting section, a contact with elastic resetting and a positioning flange positioned between the connecting section and the contact; the installing shell is in a barrel shape with one opened end and one closed end; the first end of the fixed column is connected with the opened end of the installing shell; the first ejecting-pin pressing piece is connected with the closed end of the installing shell; the second ejecting-pin pressing piece is connected with the second end of the fixed column; the circuit board is fixed in the installing shell; two ejecting pins are positioned between the installing shell and the first ejecting-pin pressing piece, the connecting sections are respectively and electrically connected with the circuit board, and the contacts are exposed from the first ejecting-pin pressing piece; and the other two ejecting pins are positioned between the fixed column and the second ejecting-pin pressing piece, the connecting sections are respectively and electrically connected with the circuit board, and the contacts are exposed from the second ejecting-pin pressing piece. Therefore, the lamp and a circuit board fixed-connection structure thereof disclosed by the invention have the advantage that the time and the cost for replacing a light-source component are saved.

A hammer tip for releasable integration with a hammer, used in a size reducing machine. The hammer tip is separated into a production block with a top working edge and a spacer block. The production block and spacer block utilize a saddle back attachment to the hammer. The production block is further supported with a lock ledge integration to the spacer block. The production block with a single top working edge reduces maintenance cost, reduces downtime and improves machine throughput.