26results about How to "Avoid plugging" patented technology

The invention discloses a large-flux high-precision ceramic flat sheet membrane for removing iron and fishy smell of drinking tap water and a preparation method thereof, and belongs to the technical field of ceramic flat sheet membranes. The ceramic flat sheet membrane comprises a support body, a high-precision filter layer, an adsorption layer and a filling adsorbent. The preparation method comprises the following steps: 1) preparing a ceramic flat sheet membrane mud green body; (2) preparing a ceramic flat sheet membrane support body; 3) preparing a high-precision filter layer by a dip-coating method; (4) preparing an adsorption layer by a spraying method; and (5) filling a reinforced adsorbent and packaging an end. According to the present invention, the ultra-fine membrane material is used to produce the high separation precision, the effluent quality is ensured, the operation cost of the split type filtration is reduced, the molecular sieve adsorption membrane and the enhanced filling adsorbent are produced, and the iron ions in the urban tap water are effectively adsorbed; the vacuum dip-coating method is matched with the one-time sintering process, so that the working procedures can be saved, the yield is high, the membrane layer thickness and the membrane surface are uniform and consistent, basically no pore defect exists, and the flux and the precision stability of the ceramic flat membrane product are further stabilized.

The invention discloses a relay, which comprises a shell, a magnetic circuit part, a contact part and a pushing part, and is characterized in that the magnetic circuit part is mounted on the shell and comprises at least two magnetic circuit units; the contact part is arranged on the shell and comprises a movable spring group, a static contact group and a load terminal; the movable spring groups and the static contact groups are arranged corresponding to the magnetic circuit unit, and each movable spring group is provided with a movable contact group corresponding to the static contact group; each movable spring group and the corresponding static contact group jointly form a switch; the movable spring group and the static contact group in each switch are respectively connected with different load terminals, and at least one load terminal is shared by at least two switches and forms a common terminal; and the pushing part comprises a pushing piece accommodated in the shell, the pushing piece and the magnetic circuit unit are correspondingly arranged, and the pushing piece is driven by the corresponding magnetic circuit part to drive the corresponding movable spring group, so that the movable contact group and the corresponding static contact group are closed or opened. By adopting the technical scheme, the occupied space is smaller than that in the prior art for realizing the functions of more than two switches.

The utility model discloses a prefabricated concrete pipe pile hoisting device which comprises a mooring rope and two hoisting tools, and the hoisting tools are installed at ports of the two sides of a pipe pile. The lifting appliance comprises base plates and an inserting part, and the two ends of the cable are connected with the two base plates; the inserting part comprises an inserting rod, a first screw rod, a plurality of connecting rods and an abutting rod, the inserting rod is perpendicularly and fixedly connected with the vertical part of the base plate, and the first screw rod is coaxially installed in a cavity in the middle of the inserting rod and is connected with a rotary driving piece in an outward penetrating mode; one end of the abutting rod is rotationally connected to the inserting rod, and the other end of the abutting rod abuts against the inner wall of the pipe pile. One end of the connecting rod is rotationally connected to the moving block, and the other end of the connecting rod is rotationally connected to the middle of the abutting rod; the horizontal part of the base plate is vertically and downwards provided with a pressing piece connected with the outer wall of the pipe pile in a pressing mode. The device is simple and convenient to use, can be used for effectively fixing the end part of the tubular pile during hoisting operation, and can be suitable for tubular piles with different specifications and diameters.

The invention provides a dumbbell-shaped precast block, a precast retaining wall adopting the precast block and a construction method of the precast retaining wall, the dumbbell-shaped precast block comprises an inner wall module and an outer wall module, a transverse supporting beam is arranged between the inner wall module and the outer wall module, and vertical anchoring rib inserting grooves and transverse anchoring rib inserting grooves are formed in the two side walls of the inner wall module and the two side walls of the outer wall module correspondingly; a main wall of the prefabricated retaining wall is built through dumbbell-shaped prefabricated blocks, end walls are built at the two ends of the main wall through end wall prefabricated blocks, and vertical anchoring rib inserting grooves and transverse anchoring rib inserting grooves are also formed in the end wall prefabricated blocks. Anchoring ribs are arranged in the vertical anchoring rib inserting grooves and the transverse anchoring rib inserting grooves of the inner wall module, the outer wall module and the end wall prefabricated blocks in a penetrating mode, a retaining wall hollow groove is defined by the inner wall module, the outer wall module and the end wall prefabricated blocks, and low-grade concrete or rubble concrete is backfilled in the hollow groove. The weight of the precast blocks and the use amount of concrete can be reduced, and the compression resistance and shear resistance of the retaining wall are guaranteed.

The present application relates to waste gas treatment technical field, specifically to a kind of acrylic resin waste gas treatment filter equipment, including main body, the main body inside is equipped with purification cavity, the main body circumferential outer wall is fixedly connected with shunt pipe, the shunt pipe bottom is equipped with several air pipes, the air pipe bottom end is penetrated to the inside of purification cavity;The inside of the purification cavity is provided with purification device, the purification device includes rotation installation in the center position of the inside bottom of purification cavity drive shaft, the inside of the purification cavity is located at the top position of drive shaft and is provided with limit frame, the center position of the limit frame bottom is penetrated and is equipped with docking interface.This application is through gas distribution plate, push plate and filter assembly linkage, to establish gas-liquid mixing neutralization system, improve the neutralization of acidic substances and the absorption efficiency of soluble VOCs, reduce the subsequent pollutant load, push plate, filter assembly and other collaborative impurities, clean filter screen, prevent secondary pollution, prolong the service life of filter material.

The present application belongs to the technical field of epoxy cast dry-type power transformers, and in particular, is a high-voltage coil airway placement structure, including a high-voltage coil and an airway, wherein the front surface of the high-voltage coil is provided with a through airway, an airway square tube is installed in the airway, the airway square tube and the high-voltage coil are fixedly connected, and an I-beam strut is installed on one side of the airway close to the airway square tube; after the wire is wound around the inside of the airway, internal insulation is placed, and then an airway square tube is placed in the airway, and then an I-beam strut is placed, because the thickness of the I-beam strut is matched with that of the airway, the I-beam strut can be firmly fixed in the airway, further stabilizing the connection between the I-beam strut and the high-voltage coil and facilitating the plugging and unplugging of the airway square tube, and continuing to wind in the third and fourth sections, an airway square tube is provided between every two I-beam struts to avoid cutting and welding of the wire, which not only reduces the coil winding time but also improves product quality.

This invention discloses a core-shell hydrogenation catalyst and its preparation method. The catalyst comprises a core layer and a shell layer, wherein the core layer is alumina loaded with an active metal component, and the shell layer is alumina loaded with molybdenum carbide. The active metal is at least one of Group VIII metals and at least one of Group VIB metals. The preparation method of the catalyst is as follows: first, boehmite powder is mixed with an organic acid solution and dried before introducing the active metal component. Then, after molding, a spherical core layer material is obtained. Then, under rolling spherical conditions, the obtained spherical core layer material, boehmite powder, molybdenum carbide powder, and an organic alcohol polymer solution are mixed evenly to obtain a catalyst precursor. Finally, the catalyst precursor is dried and calcined to obtain the core-shell hydrogenation catalyst. The hydrogenation catalyst provided by this invention is particularly suitable for the hydrogenation conversion of heavy oil, coal tar, and other oils containing macromolecular aromatics and polycyclic aromatic hydrocarbons.

The invention discloses a multi-laser wire feeding additive system and an application method thereof, the system is fixed in a machine frame, the machine frame comprises an upper frame and a lower frame, a laser device and an electric control cabinet are arranged in the lower frame, a printing head, a three-axis motion platform and a printing platform are arranged in the upper frame, a wire feeding disc is arranged at the top of the machine frame, and the three-axis motion platform and the printing platform are arranged in the machine frame. The printing head is provided with a split contact tube; and a wire feeding straightening device is arranged at the upper part of the printing head. According to the invention, the functions of automatic gun cleaning and wire shearing, wire straightening, contact tube flexible wire feeding, light spot homogenizing wire feeding, substrate preheating, consistent wire dry elongation and the like can be realized.

The invention discloses a high-breathability, cool-feeling and smooth bamboo and linen yarn fabric and application thereof in clothes, belongs to the technical field of textiles, and aims to solve the problems that the breathability is reduced, the hand feeling is hardened and the adhesive force of a coating is weak due to the fact that most of traditional coating modes adopt overall uniform coating, and pores of the fabric are prone to being blocked. The fabric is of a composite structure mainly comprising bamboo fibers and hemp fibers, the ratio of the hemp fibers is smaller than or equal to 10%, the surfaces of the inner side and the outer side of the fabric are each coated with a functional coating, the functional coatings are arranged in a hexagonal or rhombic grid or honeycomb shape, and the inner side portions of the functional coatings are connected with the surfaces of the fabric in a bonding mode. The bamboo fiber and hemp fiber blended structure is adopted, the hexagonal, rhombic or honeycomb discontinuous grid coating is matched, hole blocking of the coating is avoided, the air permeability of the fabric is greatly improved, meanwhile, the cool feeling component rapidly conducts heat, and continuous contact cool feeling is achieved.

The utility model relates to a composite material frame pultrusion layout device which comprises a yarn guide assembly, a yarn guide assembly and a yarn guide assembly, the yarn guide assembly comprises a sliding plate which is movably arranged, a yarn guide plate fixed to the top of the sliding plate and yarn guide holes formed in the yarn guide plate in an array mode; the forming assembly is arranged on one side of the yarn guide assembly and used for forming the composite material frame, and the forming assembly comprises a first forming mold and a second forming mold; according to the composite material frame pultrusion layout equipment disclosed by the utility model, the traction mechanism is arranged to pull the composite material frame formed by the forming assembly, so that mold blockage or incomplete curing of a product is avoided; meanwhile, downward bending deformation of the thermal-state profile under the gravity is avoided, and the precision of a finished product is improved; and by arranging the supporting frames with the adjustable intervals, the composite material frames with different heights are pulled, and the universality of the equipment is improved.

The utility model discloses a novel plug -pull structure water cooling joint, including male plug, female joint, locking assembly, sealing element and spring. The male plug outside wall symmetry is equipped with a pair of arc groove, and the female joint is equipped with the cavity, and the male plug inserts the cavity and is connected with the female joint. Locking assembly symmetry is equipped with female joint radial outside wall, including the head, and the head inserts the cavity and is inserted into the arc groove, realizes the locking of male plug. Sealing element is located female joint inboard wall, is used for the sealing when male plug inserts. Spring is located sealing element away from male plug's one side, is used for the butt of male plug and in the pulling out time auxiliary release head. The cooperation of locking assembly and spring has realized the quick plug -pull of water cooling joint and the steady connection, and sealing element has guaranteed the sealing performance of joint, and the operation is simple, and the reliability is high.

The utility model relates to the technical field of pipeline construction, in particular to a drainage device for water supply and drainage pipeline construction, which comprises a bearing bottom plate, a drainage mechanism is fixedly mounted at the top end of the bearing bottom plate, a filtering mechanism is arranged in the drainage mechanism, a protective enclosure frame is fixedly welded at the top end of the bearing bottom plate, and the protective enclosure frame is in an open type design. Reserved pipe holes are formed in the two sides of the water drainage mechanism, the water drainage mechanism comprises a water pump, a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are connected to a water inlet and a water outlet in the two sides of the water pump respectively, the filtering mechanism comprises a T-shaped connecting pipe and a beveled filter cartridge, and the beveled filter cartridge is fixedly installed in the T-shaped connecting pipe. And the top inclined surface faces the water inlet direction. When water flows through the interior of the T-shaped connecting pipe, due to the fact that the beveled filter cartridge is fixedly installed in the water flow channel in the T-shaped connecting pipe, and the inclined face of the beveled filter cartridge faces the water incoming direction, impurities such as sand and gravel in the water flow are filtered through the beveled filter cartridge.

The present invention belongs to the technical field of power switch box, and discloses a power switch box interlocking protection device, which includes a pull rod, a pendulum wheel and a stopper, one end of the pull rod is rotatably connected to the box cover of the power switch box, and the other end is rotatably connected to the first position of the pendulum wheel, the pendulum wheel is rotatably arranged on the box body of the power switch box, and is located on the same side of the box body as the power socket, the first position and the rotation axis of the pendulum wheel are mutually spaced, the stopper is rotatably arranged on the box body, the second position of the stopper is rotatably connected to the third position of the pendulum wheel, the second position and the rotation axis of the stopper are mutually spaced, and the third position and the rotation axis of the pendulum wheel are mutually spaced, and when the box cover is flipped downward from an open state to a closed state, the stopper can be driven by the pendulum wheel to rotate to abut against the power socket. The power switch box interlocking protection device proposed by the present invention can prevent plugging and unplugging when power is on, avoid being burned by discharge arc, and thus ensure the personal safety of construction personnel.

The utility model discloses a hollow fiber membrane filament fixed-length arrangement device which comprises a stator assembly and a mechanical arm, the stator assembly comprises a first row of stator units and a second row of stator units which are arranged in the X direction, and stators in the second row of stator units and stators in the first row of stator units are arranged in a staggered mode in the Y direction. The mechanical arm is used for pulling the head end of a membrane filament to sequentially bypass the stators in the first row of stator units and the stators in the second row of stator units from the first side to the second side in the Y direction in an S-shaped path and finally is fixed to the stators, located on the second side in the Y direction, of the first row of stator units, and the second row of stator units are arranged on the X sliding plate. The X sliding plate drives the second row of stator units to slide to a set position in the X direction. According to the fixed-length arrangement device for the hollow fiber membrane filaments, the single membrane filaments are arranged into an S shape, a whole hollow fiber membrane is formed, and compared with the prior art, the arranged membrane filaments do not need to be cut, and holes do not need to be blocked during pouring.

The utility model relates to a leaking stoppage device for a gas pipeline joint, which belongs to the technical field of gas pipelines and comprises a connecting plate, a first barrier plate is fixed on the upper surface of the connecting plate, an anti-blocking mechanism is arranged between the connecting plate and the first barrier plate, and a pipeline main body is attached to the upper surface of the first barrier plate. According to the leaking stoppage device for the gas pipeline connector, firstly, a pipeline body is moved to the position between a second blocking plate and a first blocking plate to be attached, then a worm is rotated to drive a moving block and a second limiting block to move through meshing force, then the second blocking plate and a connecting block move downwards, and the second blocking plate is attached to the pipeline body; and then an adjusting sliding block is driven to move, so that a second limiting block is completely attached to the inner wall of a limiting groove, plugging of the pipeline body can be achieved, an operator does not need to conduct multiple times of adjustment and repeated work, operation can be more convenient and stable, leakage is effectively avoided, and the working efficiency is further improved.

The present application relates to dam technical field, specifically disclose a kind of dam structure with biological purification structure, including treatment pond and platform being set on it, the drainage opening of the treatment pond is arc notch, and the radian angle of arc notch is 90 °, dam body assembly is arranged in the arc notch on the treatment pond, and dam body assembly is equally angularly distributed with mounting cavity, the inside of each mounting cavity is provided with sliding groove, and the corresponding slider is slidably connected on sliding groove, the slider is installed on filter frame, and filter frame is provided with filter screen fence, driving mechanism for driving dam body assembly rotation is installed on the treatment pond.The application can replace filter frame in the process of filtering wastewater, avoid the suspension of filtration caused by closing water valve, thereby help to improve the filtering efficiency, in addition, polypropylene suspended biological ball filled in filter frame will rub and collide with each other along with its rotation, thereby can scatter silt, prevent hardening and block hole.

The utility model belongs to photovoltaic solder strip tin plating technical field relates to a kind of round solder strip tin plating device.The device includes rack, and mould adjusting device and high-frequency vibration device are arranged on the rack, and high-frequency vibration device includes vibration terminal, and vibration terminal is located below tin control mould, and vibration terminal is in contact with round copper wire, and vibration terminal is vibrated to round copper wire, and round copper wire is successively coated and shaped by the line pressing wheel, vibration terminal, tin control mould, air cooling device, and forms round solder strip.High-frequency vibration device is used, and high-frequency vibration changes the surface tension of copper line surface tin liquid, accelerates the flow of tin liquid in the circumferential direction of copper line, so that it is more evenly distributed on the surface of copper line before solidification, and the concentricity of cooled round solder strip is better, and the surface is more smooth.

The utility model discloses an intelligent detector, which relates to the technical field of electrical fault detection and comprises a shell internally provided with a circuit board module. The probe is arranged outside the shell and is connected with the circuit board module through a cable; the wire spool is arranged on the shell, and the cable can be wound on the wire spool; the fixed seat is arranged on the shell; and an elastic member. According to the intelligent detector, a cable is wound and stored through the wire spool, the cable is prevented from being wound and knotted, the probe is fixed through the fixing base, the elastic piece can push the probe to fix the probe in the fixing base, the probe and the shell can be fixed together, and therefore the intelligent detector can be integrally stored conveniently, and the intelligent detector is rapid and convenient to store and high in practicability. And meanwhile, the situation that the cable is wound and knotted is avoided, the shell is compact in size, the integrated design is achieved, sealing and dust prevention are achieved, the external interface is reasonable in design, and wiring plugging and pulling are convenient.

The utility model discloses a cooling tower body cooling device, which belongs to the technical field of cooling devices and comprises a cooling tower body and a bottom plate, the bottom end of the cooling tower body is fixedly connected with the bottom plate, two ends of the top of the bottom plate are fixedly connected with supporting plates, and the top ends of the supporting plates are fixedly connected with limiting plates. The adjacent sides of the two limiting plates are rotationally connected with a hollow spraying ring through formed arc-shaped sliding grooves, the inner side wall of the spraying ring communicates with a plurality of spraying heads, the bottom end of the spraying ring is fixedly connected with a sliding rod, the side face of the sliding rod is slidably connected with a sliding block, the side face of the sliding block is fixedly connected with a movable rod, and the side face of the movable rod is rotationally connected with a movable plate. According to the cooling tower, the position where clean water is sprayed can be conveniently and evenly adjusted, the situation that the cooling tower is covered with the clean water unevenly is prevented, and the heat dissipation effect on the cooling tower is improved.

The present invention provides a small-opening panel-type tunnel boring machine cutterhead and a tunnel boring machine including the same, belonging to the technical field of tunnel engineering construction; including a panel, a cutter and an adjustable sealing plate assembly; a plurality of slag discharge holes are provided on the panel, and the aperture size of a single slag discharge hole is smaller than the particle size through which a slurry pump can pass; and the cross section of a single slag discharge hole is set to be a square, and the vertical section of a single slag discharge hole is set to be a conical trumpet-shaped structure with a small front and a large rear; a cutter is installed on the side end face of the panel close to the tunneling direction; and the adjustable sealing plate assembly is arranged on the end of the panel away from the cutter. By arranging an opening adjustable sealing plate assembly, when the cutterhead of the small-opening panel-type tunnel boring machine is tunneling in a formation with poor stability such as sand, the outer opening is blocked by the sealing plate, and the cutterhead opening rate is reduced to improve the balancing ability of the cutterhead to the face; when the cutterhead is tunneling in a formation with good stability such as clay, the sealing plate is adjusted to increase the cutterhead opening rate to prevent the cutterhead from sticking and improve the cutterhead slag discharge efficiency.

The invention discloses a manufacturing method of a stainless steel integral inner liquid inlet piston rod of a hydraulic support oil cylinder. The process of sizing, induction heating, local upsetting, thermal refining, rough turning, finish turning, surface quenching, deep hole drilling, liquid through hole drilling, joint hole milling and drilling, sealing and hole blocking, grinding and polishing is adopted, and the problem that a liquid inlet piston rod in a whole of a traditional hydraulic support is poor in corrosion resistance is solved. On the premise that the mechanical property and the corrosion resistance of the piston rod are guaranteed, the machining process is shortened, the machining process is simplified, welding is avoided, and the production efficiency and the corrosion resistance of the hydraulic oil cylinder piston rod are improved, so that the service life of a hydraulic support is prolonged. And the method has very important significance in realizing efficient operation of the fully-mechanized coal mining equipment under the mine.

The electric power monitoring device of the present invention has a plurality of tube bodies on the inner surface of the first shell, and a lead seal buckle is provided on the outer side of the top of the first shell; a slot for fixing and positioning the second circuit board is provided on the top of the inner side of the second shell, a guide groove for installing a protective cover is provided on the outer surface of the second shell, and a plurality of through holes corresponding to the tube bodies are provided on the outer surface of the second shell; a lead seal ring is provided on the top of the protective cover, and a guide rib is provided on the inner side of the protective cover; the first and second circuit boards are electrically connected through a connector, the first and second circuit boards are relatively vertical, the mutual inductor coil is installed on the first circuit board, the mutual inductor coil is electrically connected to the first circuit board, the first circuit board is provided with through holes corresponding to the tube bodies one by one, the through holes of the first circuit board and the mutual inductor coil are sequentially sleeved on the corresponding tube bodies, the first circuit board is installed on the inner surface of the first shell, the second circuit board is installed on the inner side of the first shell, the second and first shells are fixedly connected, the guide rib is inserted into the guide groove, and the lead seal ring and the lead seal buckle are buckled.

This invention discloses an aqueous dispersant for water-based digital glaze ink and its preparation method. The raw material components of the aqueous dispersant, by weight, include: 35-40 parts of acrylic monomers, 25-35 parts of amide monomers, 30-35 parts of isoborneol methacrylate, 1-3 parts of initiator, 100-300 parts of an alcohol-water mixed solvent, and 0.5-1.5 parts of triethanolamine. This aqueous dispersant is copolymerized from the above ternary monomers. Specifically: the carboxyl groups of the acrylic monomers have a strong anchoring effect on the water-based digital glaze particles, accelerating grinding efficiency through electrostatic adsorption and chelation effects; the amide groups of the amide monomers form dense hydrogen bonds with water molecules, improving the compatibility of the dispersant in the aqueous system and avoiding uneven dispersion caused by hydrophobic stratification; the rigid isoborneol side chains of the isoborneol methacrylate form steric hindrance, effectively preventing particle collision and aggregation, thereby significantly improving the storage stability of the glaze.

The utility model relates to a spliced wire cable, which comprises a wire core, an insulating layer and a shielding layer, the outer side of the shielding layer is coated with a protective layer, the protective layer comprises a plurality of splicing sheet layers and a connecting structure, the plurality of splicing sheet layers are spliced and coated outside the shielding layer, the connecting structure comprises an arc-shaped connecting plug board and a matching groove, the connecting plug board is fixed on one side wall of the splicing sheet layer, and the matching groove is matched with the arc-shaped connecting plug board. The matching grooves are formed in the other opposite side walls of the splicing sheet layers, and the connecting insertion plates of one splicing sheet layer deform and are inserted and positioned in the matching grooves of the other splicing sheet layer. According to the invention, the connection insertion plate is correspondingly inserted into the matching groove of another adjacent splicing sheet layer, so that the splicing of the adjacent splicing sheet layers can be realized, the circumferential connection of the protection layer is realized, the insulation sheath of the wire and cable can be suitable for repairing local damage, the repair is convenient, and the resource waste caused by direct discarding due to the local damage is avoided.

The utility model relates to cable connection technical field provides a kind of cable head mounting structure, including C type sleeve, front plug connector, rear plug-in lightning arrester and rear plug, the left mounting hole for C type sleeve end insertion is equipped in the side of front plug connector, the right mounting hole for rear plug-in lightning arrester insertion is equipped in the other side, the right insertion hole for rear plug insertion is equipped in the side of rear plug-in lightning arrester.The utility model overcomes the deficiency of prior art, and design is reasonable, compact structure, threaded hole of double-end bolt and type sleeve and the hollow conduit threaded connection of connecting guide rod, realize the dual function of electrical conduction and mechanical fixation, rear plug-in lightning arrester cooperates double-end bolt and passes through and the axial locking of spring washer and nut, double-end bolt is arranged in the interior of device, and rust will not be affected by water vapor, ensure that cable long-term stable movement.

The utility model discloses a screw-in type pre-stressed anchor rod with a built-in anchoring agent, which relates to the technical field of tunnel support and comprises an anchoring section rod body, the anchoring section rod body is provided with a through hole along the length direction of the anchoring section rod body, and the resin anchoring agent is placed in the through hole; the outer diameter of the hollow anchor rod is matched with the inner diameter of the through hole; the anchor head is fixed to one end of the anchoring section rod body, one end of the anchor head extends into the anchoring section rod body, a spiral coagulation reamer is arranged at one end of the anchor head, the outer diameter of the spiral coagulation reamer is matched with the inner diameter of the through hole, and a spine part is arranged at the end, facing the resin anchoring agent, of the spiral coagulation reamer; the anchor head is provided with an overflow hole communicated with the interior of the anchoring section rod body. By adopting the scheme, the package of the resin anchoring agent can be punctured in the propelling process through the spine part, and the resin anchoring agent can be fully and uniformly mixed in the propelling process through the spiral coagulation reamer.