17results about How to "Change flow state" patented technology

The invention relates to the technical field of photovoltaic energy storage cabinets, in particular to a safety type photovoltaic energy storage cabinet. Comprising an outer shell, a plurality of inner shells are fixedly connected in the outer shell, battery packs are detachably and fixedly connected in the inner shells, cooling fans which are symmetrically distributed are arranged outside the outer shell, each inner shell is provided with two cooling row holes which are symmetrically distributed, and the inner shells are slidably connected with two plugging frames which are symmetrically distributed. The two plugging frames on the inner shell are jointly provided with a connecting frame, the inner shell is fixedly connected with a sliding rail, an electric sliding block is slidably connected into the sliding rail, and the electric sliding block of the sliding rail is fixedly connected with the adjacent connecting frame. According to the invention, the temperatures of the plurality of battery packs during charging are respectively detected, and heat dissipation of different degrees is carried out according to different temperatures of the plurality of battery packs, so that the plurality of battery packs are at proper temperatures, cooling resources are allocated as required, energy is saved, and operation cost is reduced.

The utility model provides a water phase homogenizing tank for honey mustard sauce production, which relates to the technical field of water phase homogenizing tanks and comprises a tank body and a shaft rod, a hollow interlayer is arranged on the inner wall of the tank body, an electric heating device capable of heating the inside of the tank body is arranged in the hollow interlayer, an auxiliary device is arranged at the top end of the tank body, and the shaft rod is arranged on the shaft rod. The auxiliary device comprises a half gear and a horizontal gear, the horizontal gear is fixed at the top end of the tank body through a rotating shaft, the shaft rod can drive the pressure plate to move up and down in the tank body when rotating by means of meshing of the half gear and the horizontal gear, pressure is applied to the interior of the tank body through the pressure plate, and the pressure plate is driven to move up and down. According to the water-phase homogenizing tank, the flowing state of fluid in the tank body is changed, so that the relative movement between liquid layers is more violent, the turbulence degree is enhanced, the dissolving process is accelerated, layering of materials in the stirring process is avoided as much as possible, and the effect and efficiency of the water-phase homogenizing tank during material treatment are greatly improved.

The utility model discloses a heat conduction pipe provided with a heat dissipation core, and belongs to the technical field of heat conduction and heat dissipation. The heat conduction pipe provided with the heat dissipation core comprises a pipe body, a plurality of heat dissipation fins are arranged on the outer side of the pipe body, connecting pipes are installed at the two ends of the heat dissipation fins and the two ends of the pipe body, and connecting discs are installed on the outer sides of the connecting pipes. The heat dissipation mechanism comprises a center shaft, a heat dissipation core is installed on the outer side of the center shaft and is of a spiral structure, the outer side of the heat dissipation core is fixedly connected with the inner side of the pipe body, the multiple heat dissipation fins are distributed at equal intervals and are in a wave shape, the heat dissipation fins and the pipe body are integrally formed, and multiple flow guide holes are formed in the surface of the heat dissipation core; according to the utility model, the contact area and the retention time of a heat transfer medium and the heat dissipation core can be effectively increased, the transfer efficiency of heat in the pipe body is greatly improved, and the heat dissipation pipe has higher practical value.

The application provides a heat exchange device and a battery pack, wherein the heat exchange device comprises: a body having a first type of heat exchange flow channel and a second type of heat exchange flow channel, the second type of heat exchange flow channel being in communication with the first type of heat exchange flow channel, so that the second type of heat exchange flow channel receives heat exchange working medium flowing out of the first type of heat exchange flow channel; and a turbulence structure configured to disturb the heat exchange working medium in the second type of heat exchange flow channel; wherein the turbulence structure is arranged in the second type of heat exchange flow channel. In the embodiment of the application, the flow state of the heat exchange working medium in the second type of heat exchange flow channel can be changed by arranging the turbulence structure, the mixing effect of the heat exchange working medium in the second type of heat exchange flow channel is enhanced, the heat exchange intensity of the second type of heat exchange flow channel is improved, the loss of heat exchange efficiency caused by the change in temperature of the heat exchange working medium after passing through the first type of heat exchange flow channel is compensated, the heat exchange efficiency of the first type of heat exchange flow channel and the second type of heat exchange flow channel is balanced, and the uniformity of the temperature in different regions of the battery pack is improved.

The invention relates to the technical field of refrigeration, in particular to a low-temperature refrigerator and a refrigeration method. Comprising a shell, the shell is filled with a working medium, the shell is fixedly connected with a bearing seat, the shell is slidably connected with a first moving part and a second moving part, and a hot cavity is formed in the side, away from the bearing seat, in the second moving part; the heat dissipation plates are arranged in the circumferential direction and fixedly connected to the side, close to the heat cavity, of the shell, and grooves are formed in the heat dissipation plates at intervals; the guide mechanism is arranged in the shell and used for guiding the first moving part; and the heat preservation mechanism is arranged in the shell. The grooves are used for guiding passing airflow, so that the flow state of the airflow is changed, the contact state between the airflow and the heat dissipation plate is changed, the contact area between the airflow and the heat dissipation plate is increased, the heat exchange time between the airflow and the heat dissipation plate is prolonged, the heat dissipation effect is improved, and then the refrigeration effect of the refrigerator is improved.

The utility model discloses a wastewater pretreatment flocculant dosing device, including wastewater pipeline, stainless steel pipe, pipeline quick -operation joint, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline, stainless steel pipe is set up on wastewater pipeline through the welding, and its outside end portion is welded fixed with one side end portion of pipeline quick -operation joint, and flocculant corrosion -resisting conveying pipeline is connected with the other side end portion of pipeline quick -operation joint with the screw thread, and the flocculant corrosion -resisting dosing pipeline is set up in the stainless steel pipe inside, and one end is connected with the screw thread of pipeline quick -operation joint end portion, and the other end is beyond the end portion of stainless steel pipe inside wastewater pipeline, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline preferably UPVC pipe, and the end portion of stainless steel pipe and flocculant corrosion -resisting dosing pipeline inside wastewater pipeline is equipped with first elbow and second elbow respectively. The utility model discloses can effectively solve the problem of the leakage of the dosing pipe on the existing wastewater pipeline and the misflow of wastewater into the dosing pipe due to corrosion.

The invention relates to the field of heat dissipation, in particular to a low-temperature-rise local encryption type sine wave microchannel radiator which comprises a top plate and a bottom plate, the inner wall of the top plate is provided with a liquid inlet, a heat dissipation cavity and a liquid outlet, and the interior of the heat dissipation cavity is fixedly connected with a heat dissipation mechanism and a bubble eliminating mechanism. The bottom plate is provided with a plurality of groups of micro-channels corresponding to the heat dissipation mechanism; the bubble eliminating mechanism comprises a limiting assembly, an eliminating assembly is arranged in the limiting assembly, and a storage assembly is fixedly connected to the top of the limiting assembly. According to the device, the liquid inlet amount of the bubble eliminating mechanism can be adjusted according to specific working conditions, and when the temperature of a cooled part is increased, in order to maintain stable operation of the cooled part, the cooling efficiency is improved; the flow speed in the radiator can be synchronously increased, so that stable operation of heat dissipation work is guaranteed, the rising speed of bubbles under the same stroke can be relatively slow while the flow speed is increased, the height of the eliminating assembly is reduced, and cooling liquid with the bubbles can be intercepted more effectively.

This invention relates to the field of heat exchange technology and discloses a spiral plate heat exchanger with a segmented cylinder. The heat exchanger includes a heat exchanger body, two sets of spiral plates spirally wound around each other inside the heat exchanger body, and a segmented cylinder coaxially embedded within the cavity enclosed by the two sets of spiral plates. A segmented rubber plate is fixedly installed inside the segmented cylinder. This spiral plate heat exchanger with a segmented cylinder, through the spiral wound spiral plates forming interlaced and spaced hot and cold material channels, significantly extends the fluid flow path and increases the effective contact area between hot and cold fluids, resulting in more thorough and uniform heat exchange. Simultaneously, through the synergistic effect between the adjustment mechanism and the segmented rubber plate, the curved, wavy structure formed by the segmented rubber plate actively changes the fluid flow path and state, forcing the fluid to form continuous disturbance and backflow within the channels, fundamentally improving the problems of low heat exchange efficiency and uneven heat exchange in traditional channels.

The embodiment of the invention provides a trailing vortex turbulence device and a train, and relates to the technical field of high-speed trains. The device comprises a vehicle shell and a flow disturbing assembly, a mounting groove is formed in the vehicle shell, the flow disturbing assembly comprises a flow disturbing piece, a folding frame and a first driving piece, the flow disturbing piece is arranged on the folding frame in a foldable mode, the folding frame is connected with the vehicle shell, and the first driving piece is connected with the folding frame; and the first driving part is configured to drive the folding frame to be unfolded and folded, so that the turbulent flow part is unfolded along with the folding frame and extends out of the mounting groove or is folded into the mounting groove. According to the trailing vortex turbulent flow device, through the foldable turbulent flow piece, the overall structure of the device is simplified, the requirement for the arrangement space below the car roof is reduced, and the arrangement difficulty of the turbulent flow device is lowered.

The present application relates to the technical field of heat sink, and discloses an energy storage device, wherein a cooling flow channel is formed in at least one wall plate of a box body, and the wall plate with the cooling flow channel is configured as a mounting surface of a heat generating component, so that the heat generated by the heat generating component can be directly transferred to the cooling liquid, the heat transfer path is shortened, and the overall heat dissipation capacity of the box body is improved. The cooling flow channel comprises a first layer flow channel and a second layer flow channel arranged along the thickness direction of the wall plate, and a flow channel partition plate with a communication structure is arranged between the two layer flow channels. The flow channel partition plate is provided with a communication structure, so that the cooling liquid can exchange between the first layer flow channel and the second layer flow channel during the flow process, thereby destroying the laminar flow state easily formed in the traditional flow channel, enhancing the fluid disturbance, and improving the heat exchange efficiency between the cooling liquid and the wall plate.

The invention provides an anti-erosion conical pipe and a size determining method for the anti-erosion conical pipe, and the conical pipe comprises a first straight pipe section, a second straight pipe section, a third straight pipe section and a fourth straight pipe section which are sequentially connected in the flowing direction of fluid, and the first straight pipe section is used for being connected with an incoming flow pipe; one end of the annular pipe section is connected with the first straight pipe section, the end, away from the first straight pipe section, of the annular pipe section is folded towards the center of the annular pipe section to form a folded section, and the diameter of the annular pipe section is gradually reduced in the flowing direction of fluid; the outer wall face of the reducing pipe section is connected with the end of the turnover section, an annular channel is formed between the outer ring face of the annular pipe section and the outer wall face of the reducing pipe section, the first straight pipe section, the annular pipe section and the reducing pipe section are communicated, and the extending direction of the reducing pipe section is parallel to the extending direction of the annular pipe section; and the second straight pipe section is used for being connected with an outflow pipe. The problem that in the prior art, a conical pipe is prone to being eroded and abraded is solved.

This utility model discloses a dual-purpose (dry and wet) heat exchange tube, belonging to the field of heat exchange technology. It includes a flat heat exchange tube with straight-through S-shaped fins connected to it. A partition plate is fixed inside the flat heat exchange tube, and a baffle plate is installed inside the tube. A connecting assembly is installed at the end of the tube, and a support and protective structure is snapped onto it. Using a flat heat exchange tube in conjunction with straight-through S-shaped fins achieves both dry and wet application, reducing equipment size. The straight-through S-shaped fins have low resistance, are easy to clean with cold water, have no dead corners, and are not prone to scaling. Even if scaling occurs, it can be thoroughly removed by using a descaling agent and high-pressure water rinsing without damaging the fins. The partition plate and baffle plate inside the flat heat exchange tube can change the flow state, increase turbulence, and thus improve heat exchange efficiency. The support and protective structure provides support for the flat heat exchange tube.

The application discloses a kind of reward methods based on pipeline transportation particle deposition rate and energy consumption constraint.The method combines and constructs into reward function with key parameters such as particle deposition rate in pipeline, inlet flow rate and pipeline pressure drop, and trains neural network based on the reward function to obtain suitable control strategy, so as to achieve the purpose of reducing deposition and optimizing flow state.The application solves the problem that deposition inhibition effect and system energy consumption optimization cannot be considered simultaneously in the existing particle deposition control method in pipeline.Through the continuous interaction of artificial deep neural network and flow field numerical simulation environment, network parameters are dynamically updated, and the optimal control strategy is gradually obtained.And accordingly adjust inlet fluid velocity, change the flow state in pipe, realize the effective inhibition of particle deposition.Through the reward mechanism based on particle deposition rate and energy consumption, deposition can be effectively reduced and eliminated, flow stability is improved, and the effect of reducing deposition is better than that of traditional method.

The utility model relates to the technical field of evaporator related facilities, and one embodiment of the utility model provides an MVR horizontal gas-liquid separator which comprises a separation tank, supporting legs are arranged at the bottom of the separation tank, a driving separation assembly is arranged in the separation tank, and a filtering and discharging assembly is arranged at the inner bottom of the separation tank; a fan blade is arranged on the side wall of the stabilizing sleeve, a blowing blade is connected to the side wall of the driving main shaft, and a feeding port and a discharging port are formed in the side wall of the separating tank. According to the technical scheme, the problems that a traditional gravity type gas-liquid separator in the related technology / the prior art mainly depends on the gas-liquid density difference to achieve separation, the separation efficiency of the mode is low, the ideal separation effect is difficult to achieve under the conditions that the gas-liquid density difference is small or gas-liquid mixing is complex, and the separation efficiency is poor are solved. Although a centrifugal gas-liquid separator improves the separation efficiency to a certain extent, the centrifugal gas-liquid separator is relatively complex in structure and high in energy consumption, and the problems of abrasion and the like are easily caused in the long-term operation process.

The invention discloses a multi-stage baffling type fused salt electric heater and a fused salt heat storage system, and the multi-stage baffling type fused salt electric heater comprises a shell which is of a hollow structure; the partition plate is arranged in the hollow structure so that the interior of the shell can be divided into a first operation area and a second operation area, and the first operation area and the second operation area communicate with each other; the spiral rib electric heating pipes are arranged in two groups, one group of spiral rib electric heating pipes are arranged in the first operation area, and the other group of spiral rib electric heating pipes are arranged in the second operation area; the fused salt inlet and the fused salt outlet are both formed in the shell, the fused salt inlet is communicated with the first operation area, and the fused salt outlet is communicated with the second operation area, so that the heat exchange area between the electric heating pipe and the fused salt is increased, the flowing state of the fused salt is changed, and the overtemperature phenomenon is avoided.

The utility model relates to a pipeline dosing device convenient to disassemble. The method is suitable for wastewater treatment. According to the technical scheme, the pipeline dosing device convenient to disassemble is connected to a waste water pipeline and is provided with a mixing pipe, the two ends of the mixing pipe are connected into the waste water pipeline, and a sleeve communicated with the mixing pipe is manufactured on the side wall of the mixing pipe; the dosing pipe extends into the mixing pipe through the sleeve, a coagulant is put into the mixing pipe through the dosing pipe, the section, extending into the mixing pipe, of the dosing pipe is arranged in the length direction of the mixing pipe, and the dosing pipe is fixedly installed on the mixing pipe through a flange structure; and the baffles are alternately arranged on the inner wall in the mixing pipe in the downstream direction of the dosing pipe.

The invention discloses an integrated flue gas treatment device which comprises a desulfurization device, a filter tube dust removal device, a denitration device and a fan which are sequentially connected through a pipeline, an inlet of the desulfurization device is connected with a flue gas conveying pipe and a desulfurization agent conveying pipe, an inlet of the denitration device is connected with a denitration agent conveying pipe, and the filter tube dust removal device comprises a shell. The interior of the shell comprises a spoiler and a partition plate, and the spoiler and the partition plate divide the interior of the shell into an air outlet chamber; a plurality of filter pipes are installed in the dust removal chamber from top to bottom at equal intervals, and a plurality of turbulent flow blocks are arranged between every two adjacent filter pipes; an air supply pipe is arranged in the air supply chamber, and a plurality of turbulent flow units matched with the filter pipes are arranged on the turbulent flow plate. The device is used for desulfurization, denitrification and dust removal treatment of flue gas, two stages of airflow disturbance mechanisms are designed in the filter tube dust removal device, dust on the surface of the filter tube can be effectively cleaned, the filtering effect of the filter tube is improved, and then the flue gas treatment effect is improved.