42results about How to "Affect work effect" patented technology

The invention relates to the technical field of automatic machining, in particular to automatic machining equipment of a groove of a car synchronizer sliding gear sleeve. The equipment comprises a first linear displacement mechanism, a rotating driving mechanism, a rotating worktable, a synchronous clamping mechanism, a fixing tool, a first abut joint mechanism, a second abut joint mechanism, a second linear displacement mechanism, a turning tool bit and a controller, the rotating driving mechanism is mounted on the first linear displacement mechanism, the rotating worktable is mounted on therotating driving mechanism, the synchronous clamping mechanism is mounted on the rotating worktable, the fixing tool is mounted on the work end of the synchronous clamping mechanism, the first abut joint mechanism is mounted on the synchronous clamping mechanism, the second abut joint mechanism is erected above the tail end of the stroke of the first linear displacement mechanism, the second linear displacement mechanism is fixedly mounted on the centre of the first abut joint mechanism, and the turning tool bit is detachably mounted on the work end of the second linear displacement mechanism.The equipment is accurate in positioning, high in yield, high in work efficiency and capable of reducing manpower cost.

The invention relates to a water-soluble fertilizer preparation and processing system, which comprises a weighing scale and a support frame, wherein the support frame comprises upright posts, an upperplatform, a middle platform and a lower platform; an environment-friendly material cabin is arranged on the upper platform; the weighing scale is positioned under the upper platform and is connectedwith the environment-friendly material cabin; the lower end of the weighing scale is provided with a conveyor; the environment-friendly material cabin comprises a material cabin case, support rods, amaterial cabin cover, an exhaust fan and an air conveying pipe; a material cabin feeding opening is formed in the material cabin case; the material cabin cover covers the material cabin feeding opening; the support rods are connected with the material cabin cover and the material cabin case; the exhaust fan is positioned at the top of the material cabin case; the air conveying pipe is connected with an air outlet of the exhaust fan; a primary mixing machine is arranged on the middle platform; the conveyor is connected with a feeding opening of the primary mixing machine; a final mixing machineis arranged on the lower platform; a discharging opening of the primary mixing machine is connected with a feeding opening of the final mixing machine; the lower end of a discharging opening of the final mixing machine is provided with a finished product conveying belt; a metering packaging machine is arranged at one end of the finished product conveying belt. The water-soluble fertilizer preparation and processing system has the advantages that the whole structure is compact; the influence on work environment is small; the quality of the produced product is high.

The invention discloses a method and a system for avoiding the slagging of a circulating fluid bed boiler furnace. According to the method, low-pressure saturated steam sequentially passes through an air box and an air distribution plate and is pushed into the circulating fluid bed boiler furnace in burning. The system comprises the circulating fluid bed boiler furnace, a low-pressure steam header, a drainage tank and a discharge pipeline, wherein the circulating fluid bed boiler furnace is provided with the air box and the air distribution plate, the low-pressure steam header is used for outputting the low-pressure saturated steam, the drainage tank is used for recovering condensed water, and the discharge pipeline is directly connected with a trench; the low-pressure steam header is connected with the air box through a steam water pipeline; the low-pressure saturated steam output by the low-pressure steam header is input into the circulating fluid bed boiler furnace through the air box and the air distribution plate; and the drainage tank and the discharge pipeline are arranged on the steam water pipeline in a connecting manner. The method and the system have the advantages that the slagging of the circulating fluid bed boiler furnace can be avoided, and the deficiencies that slagging occurs easily and shutdown slag removal is often required, and potential safety hazard of the original furnace are overcome.

The invention provides a vortex type riverway garbage adsorption device, and belongs to the technical field of riverway cleaning. The problems that existing riverway garbage treatment depends on workers, time and labor are wasted, the fishing efficiency is low, and cleaning is difficult are solved. The vortex type riverway garbage adsorption device comprises a shell, a storage cavity is defined inthe shell, a first containing cavity is defined in the position, located above the storage cavity, in the shell, a second containing cavity is defined in the lower end wall of the shell, a box body is fixedly connected to the upper end face of the shell, a power mechanism is arranged in the shell, a vortex mechanism is arranged on the power mechanism, and picking mechanisms are arranged on the left side and the right side of the vortex mechanism in the box body respectively. The vortex type riverway garbage adsorption device is more convenient to use, capable of saving labor and higher in efficiency.

The invention discloses a double-seal floating disc in the technical field of floating discs. The double-seal floating disc comprises a floating disc, wherein the floating disc is located in an oil storage tank, the top surface of the oil storage tank is provided with an air hole, an oil measuring hole and a light hole, the floating disc is provided with an inflation door, a cavity is formed in the floating disc, and air bags are arranged on the periphery of the floating disc, and the floating disc is provided with a pressure assembly, a positioning assembly and a static exporting assembly. Through the pressure assembly and the air bags, the floating disc is internally inflated through an inflation door, so that the air bags on the side face of the floating disc are expanded, holes in the floating disc and the side face of an oil storage tank are filled, primary sealing is conducted, a rotating handle is rotated, a rotating frame moves outwards along threads on a threaded pipe, an ejector rod is driven to move rightwards, and the ejector rod presses a pressure rod; a fixing block drives a sealing block and a sealing skin to be tightly attached to the inner side wall of the oil storage tank, the sealing skin and the sealing block form secondary sealing, the sealing effect of the device is enhanced through the secondary sealing, and the situation that the working effect of the device is affected due to sinking or collapsing of the floating disc caused by oil immersion or oil gas leakage and volatilization is avoided.

The invention discloses a high-protection-level power distribution cabinet for building electrical engineering. The power distribution cabinet comprises a power distribution cabinet housing. The upperportion of the power distribution cabinet housing is provided with an electrical component chamber; and the lower portion of the power distribution cabinet housing is provided with an accessory chamber. The bottom surface of the accessory chamber is equipped with an air inlet cylinder. The air inlet cylinder is connected with air inlet branch pipes. Each air inlet branch pipe is internally and fixedly provided with a first arc dust collector plate and a second arc dust collector plate, which are symmetrically arranged. An electrode bar is fixedly arranged between the first arc dust collectorplate and the second arc dust collector plate. One side wall of the air inlet cylinder is provided with a second limit hole. The second limit hole is internally equipped with a circular dust filter mesh. The upper inner portion of the air inlet cylinder is fixedly provided with a motor. The output end of the motor is coaxially and fixedly connected with an air blower oar. The opposite side walls of the upper portion of the electrical component chamber are respectively provided with a square through hole; and each square through hole is equipped with a dust filter device. The technical effectsare that the power distribution cabinet has a cooling and protection effect, a constant-temperature control effect, an efficient dust reduction and dust removing protection effect and convenient use and operation.

Disclosed is a novel wind-driven power generation apparatus. A machine head is provided with blades, wherein the blades are arranged in a mutually splicing mode, a blade wheel shell is arranged at a joint part of the blades and the machined head, the blade wheel shell and the blades are fixedly arranged through a bearing, a fixing rod is arranged below the machine head, an installation component is arranged on the fixing rod, the installation component is at the bottom of the fixing rod, an power generator is arranged in the machine head, an accumulator is arranged in the fixing rod, the accumulator and the power generator are mutually connected, and the fixing rod is further provided with a power output device. A cooler is arranged in the machine head of the wind-driven power generator, so that temperature of a gear case can be further cooled and influence of excess temperature inside the machine head on working efficiency of the wind-driven power generation apparatus is prevented; a maintenance component is arranged at the rear end of the machine head, so that maintenance of the wind-driven power generation apparatus in a later period is facilitated.

The invention discloses a protective cover improved structure applicable to an automobile chassis dynamometer. The protective cover improved structure comprises a protective cover body which is of a hollow cuboid structure composed of a cover plate and four side plates without a bottom face. The side plate A is provided with an installation hole and a wire suspension slot. The two side plates B adjacent to the side plate A and the cover plate are each provided with a cooling fin structure. Guide grooves are formed side the two side plates B and provided with sliding rails. The sliding rails are fixed to the two sides of the cover plate respectively, and therefore the cover plate can slide along the guide grooves. The installation hole in the side plate A is provided with a heat dissipation structure which is a motor heat dissipation fan or a ventilation pipeline. The heat dissipation structure can be fixed to the side plate A of the protective cover through a bolt and a screw. When the protective cover improved structure is in use, the heat dissipation structure blows air into the protective cover, and therefore the purpose of accelerating motor heat dissipation and cooling can be achieved.

The invention discloses a device for harmless treatment of petroleum microorganism waste bacterium liquid. The device comprises an installation base and is characterized in that a high-pressure heating tank, a cooling tower, an ultraviolet sterilization device and a pressure pump are arranged on the installation base, a feeding hopper is arranged on the upper portion of the high-pressure heating tank, the lower end of the high-pressure heating tank is connected with a liquid inlet in the upper portion of the cooling tower through a pipeline, a liquid outlet in the bottom of the cooling tower is connected with a liquid inlet in the bottom of the ultraviolet sterilization device through a pipeline, a liquid outlet pipe is arranged on the upper portion of the ultraviolet sterilization device, the pressure pump is connected with the high-pressure heating tank through a pressure pipe, and a first control valve is arranged between the high-pressure heating tank and the feeding hopper. The device aims to overcome the defects of the prior art and is simple in structure, convenient to use, capable of effectively treating petroleum microorganism waste bacterium liquid and harmless to the environment and human body.

The invention relates to an aflatoxin degradation device and an aflatoxin degradation system. The aflatoxin degradation device comprises a processor and a plurality of ultraviolet lamp panel circuits.The ultraviolet lamp panel circuits are provided with a driving adjustment circuit and an optical coupling detection circuit. When some ultraviolet lamp panel circuits break down, the drive adjustingcircuit adjusts the working current in each ultraviolet lamp panel circuit to balance the current passing through the remaining ultraviolet lamp panel circuits which do not break down, and the current passing through each ultraviolet lamp panel circuit does not exceed the rated current of each ultraviolet lamp panel circuit, so the aflatoxin degradation device is prevented from influencing the working effect and even being burnt out under the condition that other ultraviolet lamp panel circuits fail, and the technical problem that the whole degradation device cannot be normally used due to faults of some ultraviolet lamp panel circuits of the aflatoxin degradation device is solved, thereby the safety and the stability of the aflatoxin degradation device are improved.

The invention discloses an equal-damping equal-inerter oil way of a single-head oil cylinder of a self-powered active suspension and a working method of the equal-damping equal-inerter oil way in the field of automobiles, and the equal-damping equal-inerter oil way is composed of a traditional vibration reduction oil way and an anti-resonance vibration reduction oil way, and the traditional vibration reduction oil way is connected between a piston rod cavity and a rodless cavity of a first oil cylinder in series; a first damping tube, a first oil gas storage chamber and a second damping tube are sequentially connected between a rodless cavity and a piston rod cavity of the first oil cylinder; a third one-way valve is connected in parallel between two ends of the second damping tube; an anti-resonance vibration reduction oil way is connected between a piston rod cavity and a rodless cavity of a second oil cylinder in series, a second inerter spiral pipe, a second oil gas storage chamber, a first inerter spiral pipe and an electromagnetic valve are sequentially connected between the piston rod cavity and the rodless cavity of the second oil cylinder, and the two ends, connected with the second oil gas storage chamber in series, of the second inerter spiral pipe are connected with an eighth one-way valve in parallel. And third damping pipes are connected in parallel to the two ends of the electromagnetic valve. The anti-resonance vibration reduction structure can maintain damping stability provided by a traditional vibration reduction structure, and can maintain inerter stability provided by the anti-resonance vibration reduction structure at the same time.

The invention provides an adjustable noise elimination and vibration isolation device and a using method thereof. The adjustable noise elimination and vibration isolation device comprises a base, inserting holes, a sound insulation cover, a sound insulation box, a fixable shielding maintenance cover structure, an inserting buffer seat structure, a connectable filtering sealing pipe structure, a maintenance hole, a support, a motor, a fan, an exhaust pipe and an air inlet pipe, and the inserting holes are formed in the four corners of the upper end of the base correspondingly. Through the arrangement of a L-shaped connecting cover, a connecting groove, an inverted-T-shaped shielding plate, the sound insulation cover, the sound insulation box and the maintenance hole, equipment in the sound insulation cover is maintained and overhauled through the maintenance hole by rotating the inverted-T-shaped shielding plate; and through the arrangement of the sound insulation cover, the sound insulation box, the fan, the air inlet pipe and a T-shaped filter pipe, the T-shaped filter pipe can be dismounted and mounted in the working process, and the length of the air inlet pipe is increased according to the working environment to carry out adjustment work.

The invention relates to the technical field of house walls, and discloses an energy-saving temperature-control fabricated house wall. The energy-saving temperature-control fabricated house wall comprises a main wall body, a bearing wall body is arranged in the middle of the outer surface of the main wall body, a heat conduction pipe is arranged in the bearing wall body, a first sliding groove isformed in one side of the bearing wall body, and a heat insulation plate is movably connected into the first sliding groove through a first sliding block. According to the energy-saving and temperature-controlling fabricated house wall, by arranging a floor heating protection pipe sleeve, a partition plate and a heat insulation layer, when the indoor temperature is low, floor heating is used for heating the indoor space, the floor heating protection pipe sleeve protects floor heating against the influence of external factors, and the heat insulation layer can effectively separate the indoor temperature from the outdoor temperature. The partition plate can effectively separate the heat insulation layer from other substances, by arranging a bearing wall, a sound insulation plate and a fixingplate, the sound insulation layer can insulate indoor noise, the fixing plate can fix the sound insulation plate in the main wall, and the bearing wall can bear most of the weight.

The invention relates to a wireless communication drift mark. The wireless communication drift mark comprises a mark body, a positioning and communicating module, a solar cell module and a control module, wherein a first receiving bin and a second receiving bin which communicate with each other are formed in the mark body; the positioning and communicating module and the solar cell module are at least received in the first receiving bin; a battery module is at least received in the second receiving bin; the wireless communication drift mark also comprises a control module; the total weight ofcomponents in the second receiving bin is greater than the total weight of components in the first receiving bin, so that the first receiving bin is above a water surface all the time when the wireless communication drift mark floats on the water surface. Through counterweight control of the wireless communication drift mark, the wireless communication drift mark can maintain posture when floatingon the water surface; and the normal operation of functions of positioning, communication and solar energy collection can be ensured.

The invention relates to the technical field of rotating platforms, and discloses a large-torque hollow rotating platform which comprises a hollow rotating platform body and a box body, the top of the box body is provided with an opening, the hollow rotating platform body is arranged above the box body, and a damping device is arranged in the box body. The piston slides in the air pipe to extrude or expand air in the air pipe, so that air resistance is generated, the air slowly enters or is exhausted from the two exhaust holes, preliminary vibration reduction is achieved, vibration reduction is further achieved through the elastic force action of the two first springs in cooperation with the elastic force action of the two second springs, and the vibration reduction effect is improved. And meanwhile, resilience force of two first springs and two second springs is continuously weakened through air resistance generated by sliding of the piston, the stability of the damping device is enhanced, and the effect that the hollow rotating platform body is prevented from being damaged due to vibration caused by long-time operation of the hollow rotating platform body is achieved.

The invention discloses a special wall-mounted cooling device for household toilets, which comprises a casing, a water storage tank is arranged in the casing, a jet is connected to the lower end of the water storage tank, an air pump is connected to the jet through an air intake pipe, and a jet is connected to the right end of the jet. Right-angle elbow, the lower end of the right-angle elbow is provided with a duckbill nozzle, and the left end of the cabinet is provided with a wall-mounted card slot, and the cabinet is connected with a mobile wall-mounted device through the wall-mounted card slot. Mounting plate, the wall mounting plate is provided with a wall mounting buckle, and the wall mounting plate is fixed on the moving track through fixing bolts. Through the design of the ejector, the liquid in the water storage tank is mixed with the jet of the air pump through the ejector, and the cold water is fully atomized. , To avoid the formation of water droplets affecting the working effect of the cooling device, the mobile wall-mounted device is used to install the cooling device, and the cooling air is blown out to different levels in the space, which improves the working range and increases the mobility, which is worth promoting.

The invention relates to an aflatoxin degradation device and an aflatoxin degradation system. The aflatoxin degradation device comprises a processor and a plurality of ultraviolet lamp panel circuits.The ultraviolet lamp panel circuits are provided with a driving adjustment circuit and an optical coupling detection circuit. When some ultraviolet lamp panel circuits break down, the drive adjustingcircuit adjusts the working current in each ultraviolet lamp panel circuit to balance the current passing through the remaining ultraviolet lamp panel circuits which do not break down, and the current passing through each ultraviolet lamp panel circuit does not exceed the rated current of each ultraviolet lamp panel circuit, so the aflatoxin degradation device is prevented from influencing the working effect and even being burnt out under the condition that other ultraviolet lamp panel circuits fail, and the technical problem that the whole degradation device cannot be normally used due to faults of some ultraviolet lamp panel circuits of the aflatoxin degradation device is solved, thereby the safety and the stability of the aflatoxin degradation device are improved.

The invention discloses a cooling structure for robot stirring friction welding. The cooling structure comprises a driving shell, a single-chip microcomputer, a box body and a water cooling block; a first water outlet pipe is arranged at the middle position of the top end of the driving shell, and the top end of the first water outlet pipe is fixedly provided with a first connecting pipe through afirst flange plate; a liquid injection port is formed in one end of the top of the driving shell, the water cooling block is installed above the driving shell, and the interior of the first connecting pipe is in communication with the interior of the water cooling block; and a box body is installed below the water cooling block, and the top end of the interior of the box body is in communicationwith the interior of the water cooling block through a second connecting pipe. According to the cooling structure, a fan is installed, so that the device is capable of achieving a good heat dissipation effect on a heating end metal conductor, and the heating end metal conductor is prevented from affecting the working effect of a refrigeration end metal conductor of the device due to the fact thatthe heat dissipation is too slow, and therefore the use effect of the device is further improved.

The invention provides a waste engine oil catalytic cracking device, and relates to the field of waste engine oil recycling. The device comprises a reaction tank, a feeding pipe, an air inlet pipe, a liquid distribution pipe and a waste gas pipe; the feeding pipe is arranged on the outer wall of one side of the reaction tank, the air inlet pipe is arranged on the outer wall of the other side of the reaction tank, the air inlet pipe and the feeding pipe are both communicated with the reaction tank, one end of the air inlet pipe is communicated with the output end of an air pump, the liquid distribution pipe is arranged on the outer wall of the top end of the reaction tank, the waste gas pipe is arranged on the outer wall of one end of the liquid distribution pipe, a slag discharging opening is formed in the outer wall of the bottom end of the reaction tank, and a filter plate mechanism is arranged on the inner wall of the reaction tank. According to the waste engine oil catalytic cracking device, impurities are prevented from entering the liquid distribution pipe and blocking the liquid distribution pipe, the impurities can be discharged in time along the slag outlet, meanwhile, the cleaning plate can also play a cleaning role on the limiting plate, and the impurities are prevented from being adhered to the limiting plate.

The invention relates to a novel unbonded post-tensioning prestress uplift pile structure. The novel unbonded post-tensioning prestress uplift pile structure comprises a pile hole, a reinforcement cage is placed in the pile hole, concrete is poured in the pile hole, the concrete and the reinforcement cage form an uplift pile body, a plurality of pile bottom anchoring devices are arranged at the bottom of the uplift pile body, a plurality of pile top anchoring devices corresponding to the pile bottom anchoring devices are arranged at the top of the uplift pile body, unbonded steel strands are arranged on the pile bottom anchoring devices, and the tops of the unbonded steel strands are connected with the pile top anchoring devices. The technical problem that the uplift pile is prone to rusting in the using process, and consequently the function of the uplift pile fails is solved.

The invention discloses a clamping tool for servo motor driver maintenance in the technical field of clamping tools for maintenance. The clamping tool comprises a workbench, wherein a fixed assembly and a movable assembly are arranged on the workbench; a supporting frame is arranged above the workbench; an air blower is arranged below the supporting frame; a bottom plate is arranged below the workbench; a lifting assembly is arranged between the workbench and the bottom plate; and a plurality of supporting columns are arranged below the bottom surface of the bottom plate. According to the clamping tool disclosed by the invention, the fixed assembly and a rotary plate are arranged, a servo motor driver is placed on a fixed box, and a motor I drives a lead screw I to rotate, so that fixed frames at the two sides are driven to move inwards; the rotary plate on the fixed frames fixes the servo motor driver in the middle; and a rotary handle is rotated to drive the rotary plate to rotate, so that the servo motor driver is driven to rotate, and an angle is regulated, and therefore, a worker conveniently maintains the servo motor driver from different angles.

The invention relates to the technical field of cement storage tanks, and discloses a storage tank capable of preventing cement from adhering to the wall. The storage tank comprises a top cover, a cleaning assembly and a moving assembly, and a shell is fixedly mounted at the bottom end of the top cover. According to the storage tank capable of preventing the cement from adhering to the wall, through rotation of an output shaft of a motor, a rotating wheel can be driven to rotate, moreover, a transmission belt is driven to rotate, moreover, rotation of a connecting block is driven, due to the fact that the connecting block is movably connected with an arc-shaped moving block, the arc-shaped moving block can rotate while moving along with the connecting block, an arc-shaped ring is driven tomove in a reciprocating mode in the up-down direction while the arc-shaped moving block moves in the arc-shaped ring, then a first connecting rod moves under the action of the arc-shaped ring, and drives a threaded column to move, a rotating ring rotates under the action of the threaded column and drives a fixing block and a fixing rod to move, so that a scraping plate is driven to move in a reciprocating mode and can scrape off the cement attached to the inner wall of the shell in the moving process, and then the effect of preventing the cement from adhering to the wall is achieved.

The invention discloses a dust collector and a working mode selection method thereof. The dust collector comprises a draught fan, a shell at least comprising an air inlet and an air outlet, a main control unit, together with the fan, arranged in the shell, and a first working head connected to the air inlet of the shell; the first working head comprises a first load and a recognition unit, and the main control unit recognizes the first working head by detecting the recognition unit so as to start a first working mode, aiming at the first working head, of the fan. According to the dust collector, the recognition units are arranged in some working heads, so that the dust collector can automatically judge the current working head, the corresponding working mode is started, and the situation that the working effect of the dust collector is affected or the working heads and even a fan are damaged is effectively avoided.

The invention relates to the technical field of automatic processing, in particular to an automatic groove processing equipment for a sliding gear sleeve of an automobile synchronizer, which includes a first linear displacement mechanism, a rotary drive mechanism, a rotary worktable, a synchronous clamping mechanism, and a fixed tooling , the first docking mechanism, the second docking mechanism, the second linear displacement mechanism, the turning tool head and the controller; the rotary drive mechanism is installed on the first linear displacement mechanism, and the rotary table is set on the rotary drive mechanism for synchronous clamping The mechanism is set on the rotary table, the fixed tooling is installed on the working end of the synchronous clamping mechanism, the first docking mechanism is installed on the synchronous clamping mechanism, the second docking mechanism is erected above the stroke end of the first linear displacement mechanism, and the second The linear displacement mechanism is fixedly installed at the central position of the first docking mechanism, and the turning head is detachably installed on the working end of the second linear displacement mechanism; this solution has accurate positioning, high yield rate, high work efficiency, and reduces labor costs.

The invention discloses a fault diagnosis device for an aero-engine fuel regulator, which relates to the technical field of engine fuel regulators. plate, the upper surface of the sealing plate is placed with a geared motor, the outer surface of the geared motor is covered with a fixed ring, the bottom surface of the fixed ring is fixedly connected with a fixed rod, and the bottom of the fixed rod is connected with the sealing plate. The upper surface is fixedly connected, the top of the deceleration motor is provided with a push cylinder, the outer surface of the push cylinder is provided with a chute, the outer surface of the deceleration motor is fixedly connected with a limit slide bar, and the top end of the limit slide bar Slidingly connected with the chute, the bottom surface of the push cylinder is provided with a threaded hole, the output end of the geared motor is fixedly connected with a threaded rod, and the top of the threaded rod is threadedly connected with the threaded hole. The aircraft engine fuel regulator fault diagnosis equipment has the advantage of adjusting the length of suction.

The invention discloses a cooling structure for robot stirring friction welding. The cooling structure comprises a driving shell, a single-chip microcomputer, a box body and a water cooling block; a first water outlet pipe is arranged at the middle position of the top end of the driving shell, and the top end of the first water outlet pipe is fixedly provided with a first connecting pipe through afirst flange plate; a liquid injection port is formed in one end of the top of the driving shell, the water cooling block is installed above the driving shell, and the interior of the first connecting pipe is in communication with the interior of the water cooling block; and a box body is installed below the water cooling block, and the top end of the interior of the box body is in communicationwith the interior of the water cooling block through a second connecting pipe. According to the cooling structure, a fan is installed, so that the device is capable of achieving a good heat dissipation effect on a heating end metal conductor, and the heating end metal conductor is prevented from affecting the working effect of a refrigeration end metal conductor of the device due to the fact thatthe heat dissipation is too slow, and therefore the use effect of the device is further improved.

The invention discloses a device for harmless treatment of petroleum microorganism waste bacterium liquid. The device comprises an installation base and is characterized in that a high-pressure heating tank, a cooling tower, an ultraviolet sterilization device and a pressure pump are arranged on the installation base, a feeding hopper is arranged on the upper portion of the high-pressure heating tank, the lower end of the high-pressure heating tank is connected with a liquid inlet in the upper portion of the cooling tower through a pipeline, a liquid outlet in the bottom of the cooling tower is connected with a liquid inlet in the bottom of the ultraviolet sterilization device through a pipeline, a liquid outlet pipe is arranged on the upper portion of the ultraviolet sterilization device, the pressure pump is connected with the high-pressure heating tank through a pressure pipe, and a first control valve is arranged between the high-pressure heating tank and the feeding hopper. The device aims to overcome the defects of the prior art and is simple in structure, convenient to use, capable of effectively treating petroleum microorganism waste bacterium liquid and harmless to the environment and human body.

A pipe fitting opening finishing mold comprises opening finishing supporting blocks and power equipment, wherein the opening finishing supporting blocks are positioned on the mold body; the power equipment is connected with the opening finishing supporting blocks; the opening finishing supporting blocks are cylindrical and are connected with the mold body through a fixing pin; a central fixing shaft is arranged in the middles of the opening finishing supporting blocks and is made of nickel alloy; and the power equipment is controlled by pneumatic equipment. Degree of opening of the opening finishing mold is controlled by the pneumatic equipment and a pressure sensor, the pipe fitting opening finishing effect can be guaranteed, uneven power distribution caused during manual operation of a jack is avoided, opening finishing accuracy is improved, and pipe fitting opening finishing quality is guaranteed, and reject rate is reduced.