14results about How to "Increase the flow distance" patented technology

The utility model discloses a fan-shaped ball tooth drill bit with a main nozzle and an auxiliary nozzle, which comprises a drill bit body and a matrix, the drill bit body is fixedly connected with the matrix, the diameter of the matrix is larger than that of the drill bit body, the side wall of the matrix is provided with the main nozzle and the auxiliary nozzle, and the auxiliary nozzle is formed by integrally connecting three sections of curved surfaces. Through the design, the three sections of curved surfaces of the auxiliary water gap increase the flowing area of cooling liquid when the cooling liquid passes through the auxiliary water gap, and compared with most right-angle auxiliary water gaps, the auxiliary water gap structure has the advantages that the resistance to the flowing cooling liquid is smaller, the flowing speed of the cooling liquid is slightly high, and the flow of the cooling liquid passing through the auxiliary water gap in unit time is increased; and the heat dissipation effect of the drill bit is enhanced.

The invention relates to the related technical field of microbial fermentation, and discloses microbial fermentation culture equipment for enhancing the sterile culture effect, which comprises a fermentation tank, the lower end of the fermentation tank is provided with a tank bottom, the upper end of the fermentation tank is provided with a tank cover, the fermentation tank is internally provided with a stirring assembly, the tank cover is internally provided with an air inlet assembly, and one side of the tank cover is provided with an inlet. A round pipe is rotationally arranged in the fermentation tank; according to the device, the flowing path of gas on the upper side in the shell can be prolonged through the wave-shaped channel, so that the gas is in full contact with an adsorption material, and the gas impurity removal effect is improved; then the fan-shaped sliding plate moves downwards, so that the adsorption material in the wave-shaped channel falls to the lower side of the interior of the shell to be mixed; and finally, through vertical shaking of the fan-shaped sliding plate, the shaking and mixing effect of the adsorption materials is improved, the adsorption materials in the wave-shaped channel can be redistributed, the adsorption materials in the wave-shaped channel can make full contact with gas, and the service life of the adsorption materials is prolonged.

The invention discloses a waterproof packaging box and a preparation process thereof, and relates to the technical field of packaging box preparation, and coating: a rotating motor drives a coating roller to rotate continuously, and the surface of the coating roller is adhered with waterproof coating in a waterproof coating storage box, and the coating is evenly coated on the top surface of a sheet material during rotation. The invention utilizes a rotating motor to drive the coating roller to rotate continuously, and the waterproof coating adheres to the surface of the coating roller from the penetration strip holes, and when the coating roller is tightly attached to the packaging box sheet material, the waterproof coating is evenly coated on its surface, forming a waterproof layer on the surface of the packaging box sheet material, and at the same time, an atomizing pump atomizes the liquid waterproof material in the waterproof liquid storage box, and sprays it on the bottom surface of the packaging box sheet material through a gas diversion box and an air jet nozzle to form another waterproof layer, and waterproof layers are prepared on both sides of the packaging box sheet material at the same time, thereby improving the preparation efficiency, and the waterproof production on both sides enables the interior and surface of the packaging box produced subsequently to have a waterproof effect, and the applicability is wider.

The utility model relates to the technical field of mine dehumidification, and provides an underground dehumidification device which comprises a main box body, a first condensing surface, a second condensing surface and a third condensing surface which are in a circular ring shape are sequentially arranged in the main box body in the direction gradually close to the axis in the radial direction; the lower end of the exhaust pipe extends into the lower part in the third condensing surface; one side of the first scraping plate is slidably propped against the first condensing surface; the second scraper rotates along with the exhaust pipe, and one side of the second scraper slidably abuts against the second condensation face. One side of the third scraping plate is slidably propped against the third condensing surface; and after entering the main box body, external gas enters the third condensing surface from a space between the first condensing surface and the second condensing surface, and is finally exhausted from the exhaust pipe. By means of the technical scheme, the problem that when an existing dehumidification device is used under a mine, dust adheres to the existing dehumidification device is solved.

The waste heat recovery device for chemical production comprises a heat exchange box, a heat storage tank, a circulating pump and a filter box, an air inlet is formed in one end of the heat exchange box, an air outlet is formed in the other end of the heat exchange box, and a plurality of partition plates are fixedly installed in the heat exchange box. A plurality of heat exchange pipes are arranged in the heat exchange box, the two ends of each heat exchange pipe communicate with a water inlet pipe and a water drainage pipe through splitter plates correspondingly, and the end, away from the heat exchange box, of the water drainage pipe fixedly communicates with the heat storage tank; an atomization sprayer is embedded in the side, close to the heat exchange box, of the top of the filter box, high-voltage ionizers are embedded in the front and rear end walls of the middle of the filter box, and electrostatic adsorption plates are embedded in the front and rear end walls of the side, close to the smoke exhaust pipe, of the filter box; according to the waste heat recovery device, by additionally arranging the partition plates and arranging the heat exchange pipes in a staggered mode, the heat exchange efficiency is higher, and smoke can be filtered and then discharged.

The utility model relates to the technical field of circuit breakers, in particular to a switch-on and switch-off device which comprises a shell, a power-off mechanism is arranged in the shell, a wire coil is connected to the power-off mechanism, a circuit breaking assembly and a transmission assembly are arranged in the shell, and the circuit breaking assembly is attached to the transmission assembly and the wire coil respectively. Under the action of the power-off mechanism, the circuit breaking assembly, the switch assembly and the transmission assembly, rapid opening and power-off of the circuit breaker can be achieved, circuit protection is carried out, meanwhile, the overall structure is simple, installation is convenient, the power-off process is rapid in response, manufacturing cost and installation difficulty are reduced, and the service life of the circuit breaker is prolonged. And the use safety of the circuit breaker is improved, so that the practicability of the device is improved.

The utility model belongs to the technical field of radiators, and discloses a vapor chamber which comprises a first shell and a second shell which are connected with each other. A containing cavity is formed between the first shell and the second shell and used for circulating a circulating medium, and heat is transferred through vapor-liquid phase change of the circulating medium. The second shell protrudes outwards to form the first protruding part, the outer wall of the first protruding part makes contact with a heat source, heat of the small-range heat source can be conducted to the second shell as soon as possible, and the heat conduction efficiency is improved. An inner connecting assembly is arranged on the inner wall of the first shell, a heat dissipation assembly is arranged in the first protruding part, one end of the heat dissipation assembly is connected with the inner wall of the protruding part, and the other end of the heat dissipation assembly abuts against the inner connecting assembly. The distance from the inner wall of the first protruding part to the inner wall of the first shell is reduced by arranging the inner connecting assembly, the flowing path of the circulating medium is reduced, the flow resistance of the circulating medium is reduced, and then the thermal performance of the vapor chamber is improved. And the height size of the heat dissipation assembly can be reduced, the strength of the heat dissipation assembly is improved, and the structural strength of the vapor chamber is improved.

The utility model discloses a heat utilization device of a stretch yarn machine. The heat utilization device comprises the stretch yarn machine, the heating box is installed on the outer side of the stretch yarn machine, the guide wheels are rotationally installed on the two sides of the upper end and the middle of the bottom end in the heating box, the partition plates are installed in the middle and on the two sides of the heating box, the filter box is installed on one side in the heating box, and the heating mechanism is installed on the other side in the heating box. An air pump is installed at the position, located at the bottom end of the heating mechanism, in the temperature rising box and connected with the filtering mechanism through a guide pipe, and a controller is installed at the upper end of the temperature rising box. Air circularly flows in the temperature rising box, the air circulation length can be reduced, heat loss is avoided, the heat utilization rate is improved, meanwhile, the contact area between silk threads and the temperature can be increased through the partition plates, the temperature rising effect on the silk threads is improved, and the working efficiency of the heating mechanism and the air pump can be controlled through the controller.

The utility model discloses a motor control's heat radiation structure, including controller shell and install inside control circuit board of controller shell, control circuit board with inside fixed mounting of controller shell, the back fixed mounting of controller shell inside has the heat dissipation pipe, the front of heat dissipation pipe integrative second heat conduction board has set up, the outside contact of control circuit board is provided with first heat conduction board, the inside of first heat conduction board is seted up and has the liquid guide pipe, one side fixed mounting of first heat conduction board has with liquid guide pipe one end communication's liquid inlet pipe, first heat conduction board fixed mounting has with liquid guide pipe other end communication's liquid outlet pipe, the inside of second heat conduction board is laid and has the serpentine pipe. By serpentine pipe with second heat conduction board conduction to the heat dissipation fin heat dissipation, and the heat medium of cooling down back flow to liquid guide pipe in liquid inlet pipe will first heat conduction board absorbed heat conduction, further reduce the temperature in the inside of controller shell.

The utility model provides a heat conduction oil heating device with tubes, and belongs to the technical field of heat conduction oil heating. The conduction oil heating device with the tube nest comprises a heating assembly and a supporting assembly, the heating assembly comprises a tank body, the heating tube nest, a baffle plate, a waste discharge pipe and a valve, the heating tube nest is installed in the tank body, the supporting assembly comprises a supporting rod, an adjusting plate and an installing block, the supporting rod is fixedly connected to the bottom of the tank body, and the adjusting plate is arranged on the supporting rod. Through the arrangement of the tank body, the heating tube nest, the baffle plate, the waste discharge pipe and the valve, the baffle plate is used for prolonging the flow path of heat conduction oil and ensuring the heating effect, meanwhile, impurities between the bottom of the baffle plate and the inner wall of the tank body can be discharged through opening the waste discharge pipe and the valve when needed, and the heat conduction oil can be conveniently discharged through the waste discharge pipe and the valve. And through the arrangement of the supporting rods, the adjusting plates and the mounting blocks, multiple mounting positions can be adapted, and the practicability is improved.

The utility model discloses a double -way high request wind -drenching room, including wind -drenching room, the door body is rotatoryly installed in wind -drenching room both sides position, the wind -drenching room inside both sides position is provided with the air outlet, the filter box is installed to the wind -drenching room inside upper end position, the air pump is installed to the filter box one side of wind -drenching room inside upper end, the air pump bottom end is installed with the pipeline, the pipeline upper side is installed with the air outlet pipe to the air outlet position, the control switch is installed to the wind -drenching room inside one side position, the rotating platform is installed to the wind -drenching room inside bottom end, the rotating platform bottom end is installed on the power mechanism upper side, the power mechanism is installed in the inside position of base. The utility model in the process of using, control switch will control power mechanism drive rotating platform and rotate. Rotating platform drives staff to rotate in the process of rotating, and the air exported by air outlet pipe is convenient, and the body external appearance of staff is blown all -round, each angle.

The invention relates to the technical field of waste gas treatment, in particular to a waste gas purification box which comprises a box body, an open cavity which is opened up and down is formed in the box body, fixing frames which are evenly distributed left and right are fixedly arranged on the front side wall and the rear side wall of the open cavity, activated carbon layers are arranged in the fixing frames, and filter screens are connected to the left end face and the right end face of each fixing frame. Fixing plates are arranged at the upper end and the lower end of the box body, long plates and short plates which are distributed in a staggered mode are fixedly arranged at the ends, close to each other, of the two fixing plates, the long plates and the short plates abut against the filter screens at the left end and the right end, and open grooves are formed between the long plates and the short plates which are adjacent up and down; two connecting boxes distributed left and right are arranged at the upper end and the lower end of the box body, sliding channels are connected to the two connecting boxes, the sliding channels communicate with the activated carbon layers in the box body, through the activated carbon layers arranged at intervals in a multi-section mode, the thickness of the single activated carbon layer is reduced, and the temperature uniformity of the activated carbon layers is kept; and then dehumidification and dust removal treatment on the activated carbon layer can be accelerated.

The invention relates to the technical field of hazardous waste solid waste recovery, and provides a hazardous waste solid waste treatment and recovery smelting furnace which comprises a furnace body, a base is fixedly connected to the bottom end of the furnace body, a separation mechanism is arranged at one end of the top of the base and comprises a fire-resistant box fixedly connected to the top of the base, and a separation box is fixedly connected to the inner side of the fire-resistant box; a molten liquid discharging channel is formed in the bottom end of the furnace body, an obliquely-arranged separating plate is fixedly connected to the middle of the inner side of the separating box, a molten liquid outlet is formed in the separating plate, a slag outlet is formed in the top end of the separating box, a discharging port is formed in the bottom end of the separating box, and a heat preservation cavity is formed between the fireproof box and the separating box. One end of the top of the fire-resistant box is fixedly connected with a smoke guide pipe, and the other end of the top of the fire-resistant box is fixedly connected with a smoke outlet pipe communicated with the interior of the heat preservation cavity. According to the invention, flue gas heat can be recycled, and the problem of condensation caused by heat loss after molten liquid is transferred out of the furnace can be avoided.

A bottom-injection turbocharger turbine wax mold molding die includes: a mold base plate with a first cooling medium channel and a second cooling medium channel; an end insert, one axial end of which has an irregular end structure, and the other axial end of which is fixedly connected to the mold base plate; and a gate insert assembly, including a tubular outer sleeve, which is sealed between the inner hole of the end insert and the mold base plate. An inner tubular component is inserted through the outer sleeve, and the outer wall of the inner tube has a groove. The groove and the inner wall of the outer sleeve enclose a third cooling medium channel, which connects the first and second cooling medium channels. The inner hole of the inner tube serves as a wax injection channel. The cooling medium cools the wax in the wax injection channel to form a wax rod, thereby increasing the cooling speed of the gate insert and ensuring good connection between the wax rod and the wax mold, while improving production cycle time and ensuring production continuity.