7results about How to "Change flow path" patented technology

This utility model discloses an air compressor filter device and an air compressor. The air compressor filter device includes a filter housing; a filter cover; the filter cover also forms a second chamber opening towards a first chamber; the air compressor filter device further includes: a filter shaft with opposing front and rear ends, the filter shaft having a T-shaped channel structure, the first and second ports of the T-shaped channel structure being located at the front end of the filter shaft and communicating with the second chamber, the third port of the T-shaped channel structure communicating with the inner hole of the air outlet connector; and an L-shaped channel structure, the L-shaped channel structure being located within the first chamber, one end of the L-shaped channel structure communicating with the air inlet, and the other end communicating with the second chamber. This application, by designing the L-shaped and T-shaped channel structures, changes the airflow path, allowing noise to circulate inside the filter, reducing the propagation decibels, and effectively reducing the noise generated during air compressor operation.

The utility model relates to the technical field of gas-fired hot water boilers, in particular to a full-corrugated hearth structure of a gas-fired hot water boiler, which comprises a hot water boiler main body, the hot water boiler main body consists of an outer heat preservation tank and an inner hearth arranged in the outer heat preservation tank, and a corrugated flow guide ring is arranged on a barrel body of the inner hearth. A plurality of inclined flow guide plates are fixedly installed on the inner wall of the outer heat preservation tank, the ends of the inclined flow guide plates are inserted into the inwards-concave portions of the corrugated flow guide rings, and hot air circulation gaps are formed between the ends of the inclined flow guide plates and the corrugated flow guide rings; a coiled pipe is fixedly installed at the gas outlet end of the waste gas exhaust pipe, a waste heat recovery assembly is arranged on one side of the outer heat preservation tank, and the waste heat recovery assembly comprises a waste heat recovery tank arranged outside the coiled pipe in a sleeving mode. The heat exchange area is increased, efficient heat transfer is achieved, and the energy utilization rate is increased.

The application relates to the technical field of heat exchange, in particular to a high-efficiency shell-and-tube heat exchanger and a preparation method thereof. The high-efficiency shell-and-tube heat exchanger comprises a shell, a head assembly, a tube bundle assembly, a first flow control assembly, a second flow control assembly, a first fixing assembly and a second fixing assembly. The tube bundle assembly, the first flow control assembly and the second flow control assembly are arranged along the depth direction of the shell, the tube bundle assembly penetrates through the first and second flow control assemblies and is in sliding connection with the first and second flow control assemblies, and a pitch adjusting assembly in the shell can adjust the distance between the first and second flow control assemblies. The liquid inlet part and the liquid outlet part are diagonally distributed, the first and second flow control assemblies are combined to guide the fluid flow, and a pressure stabilizing part and a heat conduction assembly are arranged. The tube bundle assembly adopts a multi-stage variable-diameter design, and the second fixing assembly comprises a flow collecting piece and a fixing piece. The above scheme avoids the mixing of the tube-side medium and the shell-side medium, reduces the thermal expansion coefficient of the connection part and stress concentration, solves the problem of uneven heat transfer efficiency caused by uneven distribution of the shell-side fluid, and improves the temperature uniformity of the heat exchanger and the heat exchange efficiency.

The utility model discloses a film spraying device for an agricultural degradable mulching film, and relates to the technical field of film spraying devices. The liquid mulching film mixing vehicle comprises a vehicle body, a liquid storage barrel is mounted at the top of the vehicle body, and the liquid mulching film mixing vehicle further comprises a mixing part, a spraying part and a spraying part, the mixing part is mounted in the liquid storage barrel, and the mixing part is used for mixing liquid mulching film raw materials in the liquid storage barrel; and a film spraying part. Through the mixing part, when liquid mulching film raw materials in the liquid storage barrel need to be mixed, the motor is firstly started, the motor drives the rotating shaft to rotate, and the rotating shaft drives the spiral stirring blades to rotate to mix and stir the liquid mulching film raw materials in the liquid storage barrel when rotating; when the liquid mulching film raw materials are sprayed out, the liquid mulching film raw materials can impact the arc-shaped seats and the convex blocks to be disturbed, and the flowing path of the liquid mulching film raw materials is changed, so that the liquid mulching film raw materials are fully and uniformly mixed, precipitation or layering of the liquid mulching film raw materials is avoided, and stable quality of sprayed mulching films is ensured.

The utility model discloses a plate heat exchanger with a turbulent flow structure, which belongs to the field of plate heat exchangers and comprises a heat exchanger body, the outer end of the heat exchanger body is movably connected with a positioning mechanism, the inner end of the positioning mechanism is provided with a turbulent flow mechanism, and the positioning mechanism comprises a reinforcing rod. The reinforcing rods are evenly distributed at the inner end of the heat exchanger body, the outer ends of the reinforcing rods are each sleeved with a plurality of limiting blocks, the outer ends of the limiting blocks are each movably connected with a reinforcing ring, and each reinforcing ring is of a semicircular structure; the limiting blocks and the reinforcing rods can be reinforced and supported by arranging the reinforcing rings, during disassembly and maintenance, the multiple positioning rods are pulled to drive the clamping blocks to relieve positioning with the reinforcing rods, the multiple limiting blocks and the reinforcing rods can be conveniently separated, the internal turbulent flow structure of the plate heat exchanger is more convenient to maintain, and the maintenance efficiency is improved. And the practicability of the plate heat exchanger with the turbulent flow structure is improved.

The present application relates to the technical field of steam equipment, and discloses a steam heat source machine and a steam production method thereof, which comprise an organism, a combustion chamber, a combustion device, a heat exchange pipe, a smoke box and an oil supply module, the top of the combustion chamber is provided with an upper header communicating with the heat exchange pipe, the bottom of the combustion chamber is provided with a lower header communicating with the heat exchange pipe, the upper end of the upper header is provided with a gas outlet pipe seat, the lower header is connected with a water supply module, the top of the combustion chamber and the inner side of the upper header are provided with an upper cover, the bottom of the upper cover is provided with a smoke blocking layer, the side wall of the combustion chamber is provided with a smoke outlet, the combustion chamber is provided with a smoke blocking tile surrounding the heat exchange pipe, the smoke blocking tile is provided with a smoke outlet hole, and the smoke blocking tile and the side wall of the combustion chamber are spaced apart, and the outer side wall of the heat exchange pipe is provided with helical fins distributed in the circumferential direction. In this way, the flue gas is guided to spiral along the helical fins and spiral around the outer side wall of the heat exchange pipe, so that the contact time and the heat exchange path of the flue gas and the heat exchange pipe are prolonged, and the heat exchange efficiency is improved.

The utility model relates to green cement pole environmental protection type anticorrosive coating technical field, and disclose a kind of green cement pole environmental protection type anticorrosive coating integrated spraying device, including spraying tank, the spraying tank fixed mounting is installed on the surface of mobile seat, the surface fixed mounting of mobile seat has support, this green cement pole environmental protection type anticorrosive coating integrated spraying device, by being provided with control assembly, when stirring rod rotates, the fixed connecting plate of the surface of stirring rod can rotate synchronously, the fixed scraper of the surface of connecting plate can be scraped when rotating, the coating adhered to the inner wall of spraying tank, simultaneously when round bar touches the section of slide bar, the fixed arc plate of the surface of slide bar and slider can be transverse motion on the surface of flat bar, when slider moves, the fixed strut of the surface of slider by connecting rod can be transverse motion synchronously, to change the flow path of coating, avoid causing coating to produce delamination and influence spraying effect.