205results about "Branching pipes" patented technology

A heat exchanger comprises a pipe connection structure consisting of a first coupling element and a second coupling element. The first coupling element includes a through-hole formed through it, and the second coupling element includes a blind hole formed within it. A distribution tank comprises a first tank chamber aligned with the through-hole of the first coupling element and a second tank chamber aligned with the blind hole of the second coupling element. The through-hole provides a fluid connection between the interior of the pipe connection structure and the first tank chamber, while the second coupling element forms a fluid barrier wall at one end of its blind hole, preventing fluid communication between the interior of the pipe connection structure and the second tank chamber via the second coupling element.

This utility model belongs to the field of multi-port valve technology and discloses a multi-port valve ball, including a ball valve body. The top of the ball valve body is provided with a handle. The outlet end of the ball valve body is fixedly provided with a connecting pipe through a flange. The other end of the connecting pipe also includes a multi-pipe assembly. The multi-pipe assembly includes a curved pipe connected to the connecting pipe. The lower outlet end of the curved pipe is spirally provided with an interface end. The top of the interface end is connected to a vertical pipe. The outside of the vertical pipe is connected to multiple pipes. The vertical pipe in the multi-pipe assembly, in conjunction with the multi-pipe structure design, can set the interfaces of multiple pipes in the same direction to facilitate quick connection of pipes and avoid the impact of large space occupation by pipe connections. At the same time, the addition of a corresponding flexible hose structure allows for quick disassembly of the vertical pipe, facilitating the replacement of the multi-pipe structure by the operator.

The utility model relates to related technical field of carbon emission detector especially, it relates to a building carbon emission monitoring devices, including building outer wall, the outside of building outer wall is provided with emission mechanism, the outside of building outer wall is provided with detection mechanism.

The utility model relates to excimer laser cooling system technical field especially convenient maintenance's excimer laser cooling water valve pipeline, including cooling water valve main part, water inlet, water outlet, communicating vessel and pipeline body, water inlet is connected in the upper end of cooling water valve main part through, water outlet is connected in the side of cooling water valve main part through, water inlet and water outlet even a group of communicating vessel are connected, and one end of communicating vessel is provided with three groups of branch interfaces, and the connection between pipeline body and communicating vessel is carried out through branch interface, and both ends of pipeline body are connected with a group of communicating vessel, the utility model discloses the both ends of pipeline body are provided with communicating vessel and can connect between the pipeline body and other equipment in the cooling system conveniently, and the one end of communicating vessel sets up three groups of branch interfaces and can connect three pipeline bodies, forms the water pipe passage of redundancy, when the failure of certain pipeline body, need not the shutdown to can maintain the failure pipeline body.

A fuel nozzle assembly (48) for a gas turbine engine (10) is provided, the fuel nozzle assembly (48) comprising a first shaft (84) including a first fluid passage (100); a flange (82) connected to the first shaft (84) and including a second fluid passage (102) fluidly coupled with the first fluid passage (100); a nozzle tube (70) connected to the flange (82) and including a third fluid passage (104) fluidly coupled with the second fluid passage (102), the nozzle tube (70) disposed at a first side of the flange (82); and a second shaft (86) connected to the flange (82), the first shaft (84) disposed at least partially in the second shaft (86). The flange (82), the first shaft (84), and the second shaft (86) at least partially define a leak path (LP). The leak path (LP) includes a radial gap (212) between the first shaft (84) and the second shaft (86); and a leak channel (154) in an axial surface (156) of at least one of the first shaft (84) or the second shaft (86).

The application relates to the technical field of fluid control valve devices, in particular to a parallel multi-stage check valve which is characterized in that a plurality of groups of check valve assemblies which are vertically distributed are connected in parallel at the outlet end of a main flow pipe, the opening threshold of each group of the check valve assemblies increases from top to bottom, and the outlet ends of all the check valve assemblies are fixedly connected in common with a discharge pipe; each group of the check valve assemblies comprises a main valve body which is integrally fixedly connected by a liquid inlet section, a volume expansion section and a liquid outlet section in sequence, the left end of an elastic connecting piece is coaxially fixedly connected with an umbrella-shaped valve flap, the outer edge of the umbrella-shaped valve flap is coaxially fixedly connected with a conical cover which is matched with a conical inner wall, a waterproof hammer cylinder is coaxially slidably abutted with a vertical rod, the waterproof hammer cylinder is coaxially provided with an elastic buffer piece which is fixedly connected with the vertical rod, the lower end of a mounting disc is coaxially fixedly connected with a main sealing plug which is movably abutted with the inner wall of the waterproof hammer cylinder, and the vertical rod is fixedly connected with an outer sealing assembly which is used in cooperation with a sealing groove.

To propose a fitting for a secondary pipeline of a double pipe system which can be produced in a simple and low-cost manner and in which it is possible to check the connecting points of the primary and secondary pipelines during assembly.SOLUTION: A fitting includes: two half-shells 2 composed of plastic, wherein each of the half-shells has an integrated heating wire, wherein each heating wire is arranged in the region of a connecting piece 4 and the heating wire has a plurality of meandering windings, wherein each heating wire is arranged in a groove provided for the heating wire in the half-shell; and connecting elements 7 which connect the two half-shells. The fitting has spacer elements arranged on the inner circumference of the half-shells for concentric arrangement of the fitting with respect to a primary pipeline.SELECTED DRAWING: Figure 1

To provide a drainage piping joint that has a sufficient drift function and can prevent clogging due to an object (solid matter) that obstructs a flow of drainage.SOLUTION: A drainage piping joint 100 has a side opening part 112 on a side surface of a cylindrical trunk part 110 having a vertical axis center. A lateral branch pipe connecting part 120 is provided in the side opening part 112, and an upper vertical connection part 140 and a lower vertical pipe connection part 160 are provided at upper and lower opening parts (upper opening part 114 and lower opening part 116) of a trunk part 110, respectively. The lateral branch pipe connection part 120 has a circular cross section centered on a lateral axis of the lateral branch pipe connection part 120 (without a swelling part), a drift plate 200 composed of a wall surface including a blocking part 210 and a clogging prevention part 220 for closing a part on a left side or a part on a right side of a circular cross section is provided in order to divert the drainage flowing from a lateral branch pipe to the side opening part 112 to either the left or right, and the wall surface does not project into the trunk part 110 (like a backflow prevention rib 300).SELECTED DRAWING: Figure 3

The utility model discloses a pipeline connecting structure, include: support pipe, fixed pipe is fixedly connected in the top of support pipe, the utility model's beneficial effect is: through having set detection pipe, no. 2 outer seal cover, seal outer cover and no. 1 outer seal cover, have realized no. 2 outer seal cover of detection pipe outside and the inside cooperation of fixed pipe, through the inside cooperation of seal outer cover and no. 1 outer seal cover, complete further sealing, promote the connecting sealing effect between fixed pipe and detection pipe, through having set limit mounting block, installation slot, side limit frame, positioning rod, have realized limit mounting block and the installation slot cooperation of top fixed support top, will side locating block and side limit frame inside cooperation, will the positioning rod in side limit frame and the positioning hole symmetrical opening in side locating block cooperation, will the installation position of side locating block, limit mounting block, support frame, outer mounting frame and pressure transmitter limit fixed, improved the stability of installation.

Disclosed in the present invention are a flow divider and a Coriolis flowmeter, wherein the flow divider is of a cylindrical structure, N branch flow guide ports are formed in the cylinder bottom of the flow divider, and N is a positive integer not less than 2. The branch flow guide ports are non-circular. The total area of the N branch flow guide ports is S1, and the flow divider satisfies the following conditions: if the N non-circular branch flow guide ports are replaced with N circular branch flow guide ports, and the maximum total area of the N circular branch flow guide ports is S2, S1>S2. Compared with the prior art, the present invention can increase the integral cross sectional area of the N branch flow guide ports of the flow divider, and under the condition of certain pressure, the flow of the flow divider is greatly increased, and the pressure loss is greatly reduced.

The application relates to a kind of emergency unblocking methods of subsea pipeline that can be quickly sealed butt joint, comprising: the open end of the cylinder of the emergency unblocking system of subsea pipeline is connected with the underwater manifold underwater launching point device interface through the butt joint of quick flange;The upper bellyband cable on the work ship and the lower bellyband cable of power drive module are connected into a long bellyband cable;Drive motor pushes monitoring drainage module and drilling liquid jetting module to run in the cylinder and subsea pipeline, until the drill bit of drilling liquid jetting module touches the blockage point in the subsea pipeline;Camera monitors the unblocking condition of the blockage point in front and monitors the start of the liquid suction pump of monitoring drainage module, and the liquid suction pipe recycles the waste liquid sprayed in the unblocking process, until monitoring drainage module monitors that the blockage point is completely removed;Monitoring drainage module and drilling liquid jetting module reverse run in the cylinder and subsea pipeline, until return to the cylinder.

A distributor assembly (14), particularly designed for a separation unit (12) of a modular process equipment unit (10), includes a fluid distribution device with a plurality of fluid interfaces (28, 30), wherein the fluid distribution device is capable of selectively establishing and blocking flow connections between the fluid interfaces (28, 30). The distributor assembly also includes an interface element (42) and a fastening element (58). The interface element (42) is mountable on one of the fluid interfaces (30), and the distributor assembly (14) has an associated mounting groove (60) at the fluid interface (30). The mounting groove (60) is adapted to the shape of the fastening element (58) such that the fastening element (58) can be introduced into the mounting groove (60) up to a defined fastening position in which the fastening element (58) engages with and secures the interface element (42).

This application provides a pipe connection structure and frame. The pipe connection structure includes a first pipe, a second pipe, and a connector. The first pipe defines a first flow path and at least one first mounting hole; the second pipe defines a second flow path and at least one second mounting hole; the connector passes through the first and second mounting holes sequentially, and the connector defines a hollow channel that communicates with the first and second flow paths respectively. By using a connector that passes through the first and second mounting holes sequentially to connect the first and second pipes, thermal stress caused by thermal expansion and contraction at the weld joint of the first and second pipes can be avoided. This ensures that the connection between the first and second pipes remains structurally stable even under high-temperature operating environments, extending the service life of the pipe connection structure.

This is a stainless steel gas collector pipe assembly (100). The stainless steel gas collector pipe assembly (100) includes a stainless steel main pipe (10), a branch pipe (20), and a connecting pipe (30), wherein the connecting pipe (30) and the stainless steel main pipe (10) are separate structures, one end of the connecting pipe (30) is connected to the stainless steel main pipe (10), and a connecting hole (321) is formed at the other end of the connecting pipe (30), and the branch pipe (20) is connected to one end of the connecting pipe (30) where the connecting hole (321) is formed, or the connecting pipe (30) and the stainless steel main pipe (10) are an integral structure, and the connecting pipe (30) has a connecting hole (321), and an enlarged diameter segment (21) is provided at one end of the branch pipe (20), at least a portion of the enlarged diameter segment (21) is located in the connecting hole (321), and the branch pipe (20) is connected to the connecting pipe (30) via the enlarged diameter segment (21).

This application provides an automatic continuous measurement method for the flowability of filler materials, comprising the following steps: Step S1, connecting the continuous measurement equipment, including: a first branch and a second branch connected in parallel; a third branch simultaneously connected to the ends of the first and second branches; Step S2, powder preparation; Step S3, automatic batching and slurry preparation, including adjusting the pipeline status, the pipeline status including: slurry preparation mode; water addition mode; and slurry discharge mode; Step S4, leveling work using the automatic flowability measurement device; Step S5, automatic sampling using the automatic flowability measurement device; Step S6, automatic flowability measurement; Step S7, cleaning and resetting the test plate; Step S8, cleaning the pipeline and the continuous measurement equipment. The automatic continuous flowability measurement method involved in this application can achieve high-frequency and accurate monitoring of flowability under long-distance, high-temperature conditions, and its slurry pipeline design can significantly improve the efficiency of multi-ratio tests, meeting the needs of large-scale laboratory testing.

The utility model relates to four -way valve technical field discloses a kind of four-way valve elbow pipe assemblies, including one end with the elbow pipe body of four-way valve valve body upper side connection, be set at the flared end of elbow pipe body far from four-way valve valve body one end, further include the asbestos board for the heat generated when isolating welding of being set on elbow pipe body, side of asbestos board integrally is provided with connecting lug, connecting lug is provided with the through hole for flared end to pass through, waist-shaped hole for the straight pipe of four-way valve valve body lower side to pass through is also provided in the middle of asbestos board.When the elbow pipe body and straight pipe of four-way valve valve body are welded and installed, the heat insulation function of asbestos board can effectively isolate high temperature and high heat generated when welding, thereby protecting four-way valve valve body.

A kind of multi-channel filling pipeline quick replacement connecting device, including multi-channel pipeline, first multi-channel interface connecting plate, combined gasket and second multi-channel interface connecting plate, multi-channel pipeline is connected on first multi-channel interface connecting plate, second multi-channel interface connecting plate is arranged on first multi-channel interface connecting plate, combined gasket is arranged between second multi-channel interface connecting plate and first multi-channel interface connecting plate, first multi-channel interface connecting plate, combined gasket and second multi-channel interface connecting plate are all provided with hole corresponding with each pipeline port in multi-channel pipeline The communication, positioning support mechanism and quick locking mechanism are arranged between first multi-channel interface connecting plate and second multi-channel interface connecting plate.The device is positioned support mechanism and quick locking mechanism between first multi-channel interface connecting plate and second multi-channel interface connecting plate are arranged, and combined gasket is used, it is easy to operate, realizes the quick connection of multi-channel pipeline.

The application relates to a fuel cell end plate outlet connecting structure, which comprises an end plate and a joint pipe, the end plate is provided with an outlet hole for connecting the joint pipe, and the outlet connecting structure further comprises a ring-shaped convex edge and a ring-shaped clamping piece; the ring-shaped convex edge is arranged at one end edge of the outlet hole; one end of the joint pipe is nested and clamped outside the ring-shaped convex edge; and the ring-shaped clamping piece is sleeved outside the joint pipe, so that one end of the joint pipe is clamped between the outer wall of the ring-shaped convex edge and the inner wall of the ring-shaped clamping piece. Compared with the prior art, the application has the advantages of simple installation mode, firm and stable connecting structure and the like.

This utility model discloses a distributor assembly and a heating and ventilation system having the same. The distributor assembly includes: a distributor; and multiple branch pipes, all of which are connected to the distributor. At least one of the distributor and the branch pipes is made of flexible stainless steel. According to the distributor assembly of this utility model, by making one of the distributor and the branch pipes a flexible stainless steel component, the installation difficulty between the distributor and the branch pipes can be reduced, thereby reducing the assembly time of the heating and ventilation system and lowering production costs. Simultaneously, it also reduces the risk of vibration-induced cracking at the connection between the distributor and the branch pipes, thus improving the reliability of the heating and ventilation system.

The utility model relates to the technical field of three -way joint, specifically disclose a joint that flow three -way adjustable, including three -way body, the left and right two ends of three -way body are all linked with connecting barrel, the left and right sides in three -way body inside all slide and connect with the movable cylinder in connecting barrel inside, two the upper and lower sides of movable cylinder outer wall all are equipped with through -hole, the inside penetration of three -way body is rotatably connected with first rotation axis, the outer wall of first rotation axis is fixedly connected with gear, the outer wall of gear is engaged with two straight racks, two straight rack other end is fixedly connected with two movable cylinders respectively, the lower end surface of first rotation axis is fixedly connected with carousel, through second rotation axis, worm, worm wheel, carousel, first rotation axis, gear, straight rack, movable cylinder and connecting barrel cooperation, can adjust the degree of closure of multiple through -hole, to accurate regulation the flow of liquid that flows out from through -hole, has the characteristics such as simple adjustment, control accurate.

Systems and methods according to the present invention relate to manufacturing and installing reinforcing pads in piping networks. Reinforcing pads according to the present invention are preferably manufactured using a machine press and a premade die to be installed onto elbow and / or linear pipes. The reinforcing pads may optionally provide for fluid connection between the converging pipes and / or include weep holes to prevent fluid accumulation.

The utility model discloses a slurry conveying structure with dredging and plugging functions belongs to pipeline conveying technical field. Including pipeline, pump, discharge port and dredging mechanism, be equipped with the discharge valve on the discharge port and it is close to the discharge port setting of pump, the dredging mechanism includes discharge pipe, plug, drill rod and electric drill, the discharge port horizontal setting and its from inside to outside are connection section, three -way pipe section and plug section in proper order, and the connection section is connected with the pipeline, and the discharge valve is located between the connection section and three -way pipe section, and the downside of three -way pipe section is equipped with the discharge pipe, and the plug section is detachably equipped with the plug, the plug closes the outer end of plug section and is equipped with the drill rod on it along the discharge port direction, the drill rod rotates and is equipped on the plug, and it can move along the discharge port direction, and it is sealedly connected with the plug, and the inner end is equipped with the drill bit and can pass through the discharge valve inward, and the outer end is equipped with the connector of detachable connection with electric drill, when the pipeline normal work, the plug is removed, and the discharge valve is closed, when dredging, the plug is installed, and the discharge valve is opened.

The utility model relates to water distribution equipment technical field and disclose a kind of high-level water supply fire-fighting special multifunctional water distributor, including water distributor structure, covering component includes three-way elbow cover body and the through-hole being opened in the outer surface of three-way elbow cover body, the inside of three-way elbow cover body and on the surface of through-hole is equipped with recessed hole, after rotating bolt, three-way elbow cover body can be taken out from the inside of outer groove, after the inside of water distributor structure is exposed, the inside of water distributor structure is cleaned with the aid of tool, avoid dirt accumulation in the inside of water distributor structure, three-way elbow cover body is inserted into the inside of outer groove, bolt is used to connect between three-way elbow cover body and three-way pipe body, polytetrafluoroethylene band is wound in the outer surface of through-hole and threaded groove A being opened, internal thread ring rotation type covers the outer surface of polytetrafluoroethylene band, the sealing of the connecting end of three-way elbow cover body and three-way pipe body is carried out.

This utility model discloses a tee with a filtering function that is easy to connect, relating to the field of tee technology. The utility model includes a main pipe, to which a branch pipe is connected and communicates. The inner wall of one end of the main pipe and the inner walls of both ends of the branch pipe are provided with placement grooves. A filter plate and a positioning component that cooperates with the filter plate are placed inside the placement grooves. The positioning component includes an annular plate threaded into the placement groove, and the inner wall of the annular plate has multiple grooves. The filter plate of this utility model is positioned by a guide rod and locked by the thread of the annular plate, allowing for quick disassembly, cleaning, or replacement without tools, reducing the cumbersome maintenance of the filter device. The first and second sealing gaskets in the placement groove cooperate with the annular plate to prevent leakage at the edge of the filter plate. The sealing rings and sealing caps at the ends of the main pipe and branch pipe combine to achieve airtightness at the pipe connection, reducing fluid leakage or foreign object intrusion.

A tubular connecting member configured to interconnect a plurality of tubular members in a fluid flow system, the tubular connecting member comprising: - at least one primary outlet having a primary inflow / outflow direction, configured to connect to its outer end a primary tubular element having a cylindrical cross-section at least at its outer end; and - at least one secondary outlet having a secondary inflow / outflow direction, configured to connect to its outer end a secondary tubular element having a cylindrical cross-section at least at its outer end, wherein the secondary inflow / outflow direction is positioned at a non-zero angle with respect to the primary inflow / outflow direction, and the secondary outlet further comprises an inner portion having a non-circular, particularly elliptical, cross-section when viewed in a plane substantially perpendicular to the secondary inflow / outflow direction.