36results about How to "Avoid Flow Dead Zones" patented technology

The invention relates to a jet spray hybrid bioreactor, comprising a reducer pipe, a ledger plate, a jet spray muzzle, and a compressed air ingress pipe, which is characterized in that the reducer pipe is specially designed to have a dispersion cavity, a hybrid cavity, and a jet spray cavity in sequence from the top down. A plurality of liquid reactant suction inlets are provided at the intersection of the hybrid cavity and the jet spray cavity and distributed evenly and circumferentially. The intersection angle between the axial lead of a hole and the axial lead of the reducer pipe is 45-90 degrees. A plurality of liquid reactant suction inlets are provided on the ledger plate. The ledger plate and the reducer pipe, and the ledger plate and top end of the jet spray muzzle are connected respectively by screw threads. The outlet of the jet spray muzzle is extended deeply into the reducer pipe. The lower end of the jet spray muzzle is connected with the compressed air ingress pipe. The invention has the advantages that the invention makes use of the pumping action of high speed airflow to automatically absorb in liquid reactants, thus realizing multiple-angle stirring, high efficiency and energy saving, without dead flow zone, and the structure is simple and the operation control is convenient.

The invention relates to a novel baffle plate. The novel baffle plate comprises a baffle plate, round holes, a flow guide structure and an anti-corrosive coating, wherein the baffle plate is a segment-shaped baffle and is made of stainless steel; round holes are uniformly formed in the surface of the baffle plate; an opening area of each circular hole is 60%-90% of an overall area; each round hole is a through hole with a hole diameter of 8mm-20mm; the flow guide structure is in an arc structure, and is welded on the round end face of the baffle plate so as to prevent a right-angle transition area from being formed at the welding position between the baffle plate and a condenser, and remove a flow dead area formed at the same position; the anti-corrosive coating is located at the outer end face of the baffle plate, so as to prevent corrosion on the baffle plate in the condenser, caused by an acidic solution or an alkaline solution. According to the baffle plate mounted in the condenser, when passing through the baffle plate mounted in the condenser, the fluid in the condenser flows through the round hole. The hole diameter is reduced and the flow-through speed of the liquid is accelerated, so that the flowing liquid is avoided in the condenser. The fluid flows with a certain radian in a transition manner through the flow guide structure of the baffle plate, so that the flowing dead area is overcome. The novel baffle plate provided by the invention has the advantages of simple structure and convenience for manufacturing.

A reverse flow type spiral baffle plate U-shaped pipe bundle heat exchanger is composed of a U-shaped pipe bundle core body, a shell and a water chamber. The U-shaped pipe bundle core body is composed of a U-shaped pipe bundle, spiral baffle plate assemblies, pipe plates, pull rod sleeve assemblies and longitudinal partition plates. The upper cylindrical area and the lower cylindrical area of each spiral baffle plate assembly are each composed of a flat plate round-notch-shaped baffle plate and an arc end strip-shaped baffle plate. Each arc end strip-shaped baffle plate is composed of an inclined section, a left bent flat section and a right bent flat section. Every two corresponding baffle plates are provided with an overlapped area of a row of pipes. The structural limitation that ordinary spiral baffle plates can hardly be arranged in semi-cylindrical spaces and numerous defects of arch baffle plate heat exchangers can be overcome, the purpose of arranging spiral baffle plate passageways in a semi-cylindrical space to obtain the reverse flow type U-shaped pipe bundle heat exchanger is achieved, and the reverse flow type spiral baffle plate U-shaped pipe bundle heat exchanger has the advantages of being high in heat conduction coefficient, low in flowing resistance, and the like.

The invention discloses a graded manifold micro-channel heat dissipation device. The graded manifold micro-channel heat dissipation device mainly comprises a first-stage micro-channel, a second-stage micro-channel, a third-stage micro-channel and a bottom plate part. The four layers of channels are packaged through the bonding technology, working medium inlets and working medium outlets are located in the top, and the number of the micro-channels and the number of the manifold channels can be increased according to the heat exchange area. A heat exchange working medium flows into the third-stage micro-channel through the first-stage micro-channel and the second-stage micro-channel, is split into the last eight inlets from the first two inlets and flows to the surface of the analog chip, and the temperature distribution uniformity of the surface of the analog chip is improved through uniform distribution of the working medium. And the working medium after heat exchange is converged into the first-stage micro-channels through the third-stage micro-channels and the second-stage micro-channels, and finally is converged to an outlet in the middle through the two first-stage micro-channels to flow out. The flow channel is segmented into a plurality of micro-channel units, the flow length is shortened, so that the pressure drop is reduced, a thermal boundary layer is difficult to develop in the micro-channel, and the heat exchange coefficient is increased and the total thermal resistance is reduced. The device has the advantages of being small in occupied area, low in power consumption and high in heat dissipation capacity, and can be used for meeting the heat dissipation requirement exceeding the heat flux density.

The invention provides a mixer for a U-shaped tail gas after-treatment device and the U-shaped tail gas after-treatment device comprising the mixer. The heating path of air flow to urea is prolonged, the heat utilization efficiency of tail gas is improved, the urea fully absorbs heat and exerts the heat, the risk of urea crystallization is effectively reduced, the mixer comprises a mixer shell, the mixer shell comprises a gas inlet connected to a DPF unit and a gas outlet connected to an SCR unit, a mixing cavity is formed in the mixer shell, the mixer is characterized in that a flow guide plate is arranged at the position, close to the gas inlet, in the mixer shell, a gas mixing channel is formed in the mixing cavity, a urea nozzle is arranged on the gas mixing channel, and gas entering from the gas inlet is guided by the flow guide plate to enter the gas mixing channel, and is discharged from the gas outlet after flowing through the gas mixing channel.

The invention provides a spiral turbulent-flow blade based emitting device barrel cooling water jacket. The spiral turbulent-flow blade based emitting device barrel cooling water jacket comprises a water jacket body, a water inlet and a water outlet, wherein the water jacket body is barrel-shaped, and sleeves a emitting device barrel; the water inlet and the water outlet are separately positionedin upper and lower wall surfaces of the two ends of the water jacket body; and the inner wall of the water jacket body is equipped with a spiral water conveying blade in the peripheral direction fromthe front end to the rear. The spiral turbulent-flow blade based emitting device barrel cooling water jacket can perform efficient cooling on the barrel in a continuous shooting process of the emitting device.

The utility model relates to a mold for extrusion formation of an equal-thickness in-plane bent plate. The mold is connected and mounted with an extruder, and comprises an extrusion barrel liner, an adjustment mold and a forming mold which are connected in sequence, wherein an inner cavity arranged in a running-through manner along the extrusion direction of an extrusion rod is arranged in the mold; the inner cavity comprises a rectangular cavity located in the extrusion barrel liner and used for enabling the extrusion rod to push a blank, a forming hole located in the forming mold and used for extruding the blank, pushed by the extrusion rod from the inner cavity of the mold, into a flat plate, and a specially-shaped cavity located in the adjustment mold and used for cooperating the extrusion action of the extrusion rod to change and adjust the shape of the blank to enable the blank extruded out from the forming hole to become the required equal-thickness in-plane bent plate. The moldcan extrude equal-thickness in-plane bent plates with different curvatures; furthermore, the thickness size of the in-plane bent plate can be guaranteed; no phenomena of thinning of an outer ring, easy wrinkling of an inner ring and the like occur; in addition, the equal-thickness in-plane bent plate has no counter-acting force opposite to a bending direction of the equal-thickness in-plane bentplate, so that springback opposite to the bending direction cannot occur.

The invention discloses a combined type tuyere small sleeve which comprises a central sleeve, an internal sleeve, a first sleeve, a second sleeve and a third sleeve, wherein the central sleeve is fixedly socketed with the internal sleeve to form an oxy-coal medium channel; the gap between the first sleeve and the central sleeve forms a cooling water inflow channel, the gap between the second sleeve and the first sleeve forms a gas medium channel, the gap between the third sleeve and the second sleeve forms a cooling water backflow channel, a front cap and a rear cap which are in an integrated structure are fixedly connected with one ends far away from a water inflow port and a water backflow port of the cooling water inflow channel and the cooling water backflow channel, and the cooling water inflow channel and the cooling water backflow channel are communicated through the front cap and the rear cap, thus forming a cooling water circulating channel; and the front cap is provided with an oxy-coal medium outlet and a gas medium outlet. The invention has the advantages of simple structure, good cooling effect, high reliability and safety, and long service life.

The invention discloses a vertical pump for a pool type reactor. The vertical pump for the pool type reactor comprises a pump shaft, a vertical pump shell, a hydraulic component, a power input component and a circulation component. The pump shaft is arranged in the vertical pump shell. The upper end of the pump shaft extends out of the vertical pump shell to be connected with the power input component. The lower end of the pump shaft extends out of the vertical pump shell to be connected with the hydraulic component. The circulation component is arranged on the portion, in liquid, of the pump shaft and used for generating upward or downward flowing power when the pump shaft rotates. The portion, corresponding to the circulation component, of the vertical pump shell is provided with two or more communicating holes. At least two of the communicating holes are located at different heights. The vertical pump is mainly applied to the pool type reactor and used as a main circulation pump for driving coolant, and the vertical pump for the pool type reactor can provide a enough pressure head; and besides, because the circulation component is installed on the pump shaft, the coolant in the pump shell can communicate with coolant in a reactor pool, and the coolant in the pump shell is protected against a flowing dead zone.

The invention provides a collecting device for instantaneously-released high-temperature high-pressure high-humidity waste gas, and belongs to the field of waste gas treatment. The collecting device comprises a gas collecting pipeline, an automatic separating unit and a plurality of buffer thermal exchange units; one end of the gas collecting pipeline communicates with the outer part, and the other end of the gas collecting pipeline is connected to an inlet of the automatic separating unit; one outlet of the automatic separating unit is connected to inlets of the buffer thermal exchange units; the plurality of the buffer thermal exchange units are arranged in a communication mode; and each buffer thermal exchange unit communicates with an external gas treatment device through a gas exhaust pipeline. The collecting device belongs to a modularized design, is simple in structure, and can be expanded according to practical needs, so that collection of different-displacement waste gas is realized.

The invention provides a collecting device for instantaneously-released high-temperature high-pressure high-humidity waste gas, and belongs to the field of waste gas treatment. The collecting device comprises a gas collecting pipeline, an automatic separating unit and a plurality of buffer thermal exchange units; one end of the gas collecting pipeline communicates with the outer part, and the other end of the gas collecting pipeline is connected to an inlet of the automatic separating unit; one outlet of the automatic separating unit is connected to inlets of the buffer thermal exchange units; the plurality of the buffer thermal exchange units are arranged in a communication mode; and each buffer thermal exchange unit communicates with an external gas treatment device through a gas exhaust pipeline. The collecting device belongs to a modularized design, is simple in structure, and can be expanded according to practical needs, so that collection of different-displacement waste gas is realized.

The invention discloses a three-dimensional parallel device for rapidly preparing multiple emulsions. The apparatus comprises an inner fluid distribution channel which is connected with an inner fluid inlet adapter tube; a plurality of outer fluid distribution channels which are respectively connected with outer fluid inlet adapter tubes; an emulsion collecting channel which is connected with an outlet adapter tube; and a plurality of emulsion generating units connected between the inner fluid distribution channel and the emulsion collecting channel and respectively connected with the outer fluid distribution channels. The three-dimensional parallel device for rapidly preparing multiple emulsions, adopting modular design, has the advantages of good expandability, high space utilization rate, realization of rapid and highly-efficient production of the multiple emulsions, uniformity in distribution of the fluid in the device, and avoiding of flowing dead zones, so the high monodispersbility and the high uniformity of emulsion production are guaranteed.

The invention relates to the technical field of sewage treatment, in particular to a vibrating anaerobic purification device which comprises a biological tower vibration device. A biological tower comprises a tower body and a plurality of biochemical units, microbial fillers are arranged in the biochemical units, the vibration device is used for applying vibration to the microbial fillers in at least one biochemical unit, the biochemical units are arranged in the biological tower from top to bottom, water positioned in the upper biochemical unit can flow into the lower biochemical unit, and anaerobic environments are formed in the biological tower. According to the vibrating anaerobic purification device, a backflow device is omitted, so that the size of the device can be smaller, and thedevice is low in manufacture cost and convenient to transfer.

A countercurrent spiral baffle U-shaped tube bundle heat exchanger, which is composed of a U-shaped tube bundle core, a shell and a water chamber; the U-shaped tube bundle core is composed of a U-shaped tube bundle, a spiral baffle assembly, a tube plate, It is composed of tie rod sleeve assembly and longitudinal partition plate; the spiral baffle assembly is composed of a set of flat circular baffles and a set of inclined sections and left and right folded flat sections in the upper and lower semi-cylindrical regions. It is composed of arc-shaped end strip baffles; two sets of baffles are provided with an overlapping area of ​​a row of pipes. The present invention can overcome the structural limitation that the common spiral baffles are difficult to arrange in the semi-cylindrical space and many disadvantages of the arcuate baffle heat exchanger, and solves the problem of arranging the spiral baffle channels in the semi-cylindrical space to realize the U-shaped counterflow The tube bundle heat exchanger has the advantages of high heat transfer coefficient and small flow resistance.

The invention relates to a reforming reactor and its application. By mixing hydrogen in stages and introducing lifting hydrogen and stripping hydrogen into different reactors, the H in the reforming reactor is reasonably adjusted. 2 / HC molar ratio, resulting in greatly improved aromatics and hydrogen yields compared to conventional prior art configurations. Compared with the prior art, the reforming reactor of the present invention adopts a radial reactor structure with side entry and ejection, which can effectively reduce the height of the reactor, solve the problem of waste of the top space of the reactor, and facilitate the central cylinder and For the inspection and maintenance of the fan-shaped cylinder, there is a catalyst collection bucket at the bottom of the reforming reactor, and hydrogen stripping is used. On the one hand, the hydrocarbon components carried on the catalyst can be stripped out, and at the same time, the lifting temperature of the catalyst is also reduced, which is conducive to safe operation and follow-up Material selection for equipment and pipelines.

The invention discloses a multifunctional carbon dioxide system and an operation method therefor. An integrated drive device communicates with a gas-liquid separation device through a first flow control device; the integrated drive device communicates with the gas-liquid separation device through a fifth flow control device; a heat exchange cold plate communicates with the integrated drive devicethrough a second flow control device; the heat exchange cold plate communicates with the gas-liquid separation device through an eighth flow control device; a condensing device communicates with the heat exchange cold plate through a third flow control device; the condensing device communicates with the integrated drive device through a sixth flow control device; the condensing device communicateswith the gas-liquid separation device through a fourth flow control device and; and the condensing device communicates with the heat exchange cold plate through a seventh flow control device. The cooling system disclosed by the invention is not limited by environment temperature, and electronic equipment can efficiently run under a stable working condition and can play an energy-saving role. According to the operation method for the cooling system disclosed by the invention, the electronic equipment can be prevented from being damaged in a conversion process of the cooling system.

A mold for extrusion molding of inner curved plates of equal thickness. The mold is connected and installed with an extruder, and includes an extrusion cylinder liner, an adjusting mold and a forming mold connected in sequence. The inner cavity set through the extrusion direction, including the rectangular cavity in the inner lining of the extrusion cylinder for the extrusion rod to push the blank, and the blank in the forming die for pushing the extruded rod out of the mold cavity The forming hole that is extruded into a flat plate, located in the adjusting die, is used to cooperate with the extrusion action of the extrusion rod to change and adjust the shape of the billet so that the billet becomes the required equal-thickness in-plane bending when it is extruded from the forming hole Shaped cavity of the plate. The invention can extrude inner curved plates of equal thickness with different curvatures, and can ensure the thickness of the in-plane curved plates without thinning of the outer ring and easy wrinkling of the inner ring. There will be no reaction force opposite to the bending direction, and there will be no rebound in the opposite direction to the bending direction.

The invention relates to the technical field of sewage treatment, in particular to vibration type sewage treatment equipment. The vibration type sewage treatment equipment comprises a front treatmentdevice, a biochemical tower and a vibration device, wherein the biochemical tower comprises a tower body and a plurality of biochemical units, and the biochemical units are arranged in the tower body;the front treatment device is used for sending the treated sewage to the biochemical units; a microorganism filler is arranged in each biochemical unit, the activated sludge is suitable for being putinto each biochemical unit, an aerobic zone, an anoxic zone and an anaerobic zone are formed in each biochemical unit in the sewage treatment process, and the vibration device is used for applying vibration to the microorganism filler in at least one biochemical unit; the multiple biochemical units are arranged in the biochemical tower from top to bottom, a water body in the biochemical unit at the upper layer can flow down into the biochemical unit at the lower layer, and the biological tower is provided with an air ventilation structure. The vibration type sewage treatment equipment has theadvantages that an aeration device and a reflux device are not needed, and a plurality of function tanks are also not needed, so that the size is smaller; the manufacturing cost is low, and the transfer is convenient.

The invention relates to the technical field of waste water treatment, in particular to a nitrogen-containing waste water treatment method. The nitrogen-containing waste water treatment method comprises the following steps: performing pretreatment on nitrogen-containing waste water; injecting the nitrogen-containing waste water subjected to pretreatment into a biochemical unit and setting microbial fillers and active sludge in the biochemical unit, wherein the microbial fillers comprise domesticated microbial colony; treating the nitrogen-containing waste water into the biochemical unit and driving at least part of the microbial fillers in the process of treating the nitrogen-containing waste water to generate vibration; and discharging the water which reaches the standard through treatment. According to the nitrogen-containing waste water treatment method, a carbon source does not need to be put in the process of treating the waste water, an aeration device is not needed, and pipelineblockage and occurrence of a flowing dead area are effectively avoided.

The invention discloses a novel devolatilization device which comprises a vertical cylinder, an upper end socket and a lower end socket are arranged at the upper end and the lower end of the cylinder respectively, at least one pair of feed ports are connected to the upper end socket, at least one pair of discharge ports are connected to the lower end socket, and a devolatilization distributor hung below the upper end socket is arranged in the cylinder. The devolatilization distributor is a closed outer ring formed by connecting a plurality of devolatilization distribution pipes with the same diameter end to end, a middle connecting pipe communicated with an outer ring pipeline is arranged in an inner ring of the outer ring, flow distribution holes are formed in the lower semicircular pipe wall of each devolatilization distribution pipe, the flow distribution holes are arranged in a triangular mode, the hole diameter ranges from 2 mm to 6 mm, and the devolatilization distributor is provided with an open hole opposite to a feeding port. And the feeding hole is welded and fixed with the devolatilization distributor through the opening and is communicated with the devolatilization distributor through a pipeline By optimizing the inlet and outlet structures of the devolatilization device, optimizing the external heating of the equipment, and optimizing the devolatilization distributor and the flow distribution holes, the devolatilization separation efficiency is improved, and the product quality is further improved.