616 results about "Static mixer" patented technology

The invention provides a static mixer with a bionic starfish type inlet structure and a mixing method thereof. The static mixer comprises a shell, a cavity is formed in the shell, one end of the shell is provided with an air inlet communicating with one end of the cavity, and the other end of the shell is provided with an air outlet communicating with the other end of the cavity; an air inlet pipe set is arranged at the end, close to the air inlet, of the shell and comprises a center air inlet pipe extending in the axial direction and five peripheral air inlet pipes evenly distributed in the circumferential direction of the center air inlet pipe. The central air inlet pipe and the peripheral air inlet pipe form a bionic starfish type inlet structure for simulating a central disc and a radiation wrist structure of starfish; a plurality of spiral pieces arranged in the axial direction of the cavity are arranged in the cavity, and the arrangement angles of the adjacent spiral pieces are different. By means of the bionic starfish type inlet structure design, hydrogen is evenly dispersed to the whole mixing area, the mixing uniformity of natural gas and hydrogen is effectively improved, and meanwhile the risk of hydrogen embrittlement is delayed.

The utility model discloses a multi-element gas automatic mixing device which comprises a plurality of gas branches, all the gas branches are jointly connected with a gas main path, the gas main path is connected with a mixing tank, the gas main path is provided with a static mixer, the mixing tank is provided with a dynamic mixer, and the static mixer is connected with the dynamic mixer. A gas outlet of the mixing tank is sequentially provided with a first-stage buffer tank, a second-stage buffer tank, a third-stage buffer tank and a first gas storage chamber in the gas conveying direction, and efficient mixing of gas is achieved through a static mixer and a dynamic mixer. The static mixer utilizes a spiral structure to generate rotation and turbulent flow to promote uniform mixing of gas; under the condition that the gas flow speed is lower or the gas types are more, the dynamic mixer is provided with an electric stirring blade, the mixing uniformity is further improved through mechanical stirring, the gas enters the buffer tank after being mixed through the arrangement of the multi-stage buffer tank, the pressure fluctuation is reduced, and the flow speed is homogenized. And the repeated diffusion and distribution process in the buffer tank improves the mixing uniformity of the gas.

A static mixer includes a mixer housing, a mixing element including mixing bodies arranged one after another along a longitudinal axis so as to be capable of repeated separation and recombination of components, each of the mixing bodies including a first and second inlets, first and second lateral outlets and an intermediate outlet disposed between the first and the second lateral outlet, an input wall separating the first and second inlets, a deflection element arranged downstream of and adjacent to the input wall, first and second output walls arranged downstream of and adjacent to the deflection element, the first output wall separating the first lateral outlet and the intermediate outlet and the second output wall separating the intermediate outlet and the second lateral outlet.

The utility model discloses a polyester reverse esterification kettle on-line adding device which comprises a first esterification kettle and a second esterification kettle, a batching pipeline is arranged between the first esterification kettle and the second esterification kettle, and a three-monomer on-line injection system is arranged on one side of the batching pipeline. A second static mixer, a dynamic mixer and a pneumatic valve are sequentially arranged on the batching pipeline between the three-monomer on-line injection system and the second esterification kettle, and materials prepared by the three-monomer preparation system are injected into a connecting pipeline through the three-monomer on-line injection system; and then the mixture enters the second static mixer and the dynamic mixer to be mixed and then is injected into the second esterification kettle through the pneumatic valve. The transformation from production of extinction products to production of cationic products can be quickly realized in the five-kettle process, so that the productivity and the quality of the products are ensured, and benefits are created for enterprises to be maximized.

The utility model relates to a system for reducing the acid value of hydrolysate in the separation and washing process of dimethyl dichlorosilane hydrolysate. Comprising three stages of coalescers, dimethyl dichlorosilane acidic hydrolysate enters the system from the first stage of coalescer, process water enters the system from the third stage of coalescer, the acidic hydrolysate and diluted hydrochloric acid or process water are mixed in each stage of coalescer, oil-water two-phase separation is completed through multiple times of washing and coalescence, and meanwhile the acid value of the hydrolysate is reduced; each stage of coalescer comprises two static mixers connected in series, a group of prefilters and a large coalescer, the coalescer is Z-shaped, and four stages of filter elements are arranged in each stage of coalescer. Through repeated tests, a modified polyvinylidene fluoride filter element of Pall Company is finally selected, and after continuous three-stage coalescer treatment, the acid value of dimethyldichlorosilane hydrolysate can be reduced to 10 PPM or below.

The invention provides a dynamic cross-linked polyolefin elastomer and a preparation method thereof. According to the method, a double-kettle serial solution polymerization process is adopted, a reaction material is generated through a polymerization reaction in a first reaction kettle, the reaction material is transferred into a second reaction kettle added with a dynamic cross-linking agent and an initiator for continuous reaction and then enters a devolatilization system, a quenching agent is added through a static mixer, then granulation is performed through a screw extruder, and the dynamic cross-linked polyolefin elastomer is obtained. According to the preparation method, dynamic chemical crosslinking is carried out in the production process of the polyolefin elastomer, and the mechanical property and thermal stability of the obtained polyolefin elastomer product can be improved on the premise of ensuring the processability.

The invention discloses a supercritical fluid assisted polymer devolatilization distributor. The supercritical fluid assisted polymer devolatilization distributor comprises a gradually-shrinking channel, a throttling channel and a gradually-expanding channel which are connected in sequence. A static mixer is arranged in the throttling channel, the upstream pressure is maintained to be above a supercritical state by increasing fluid resistance, meanwhile, the mixing effect of supercritical fluid and polymer melt is enhanced, stable and uniform foam flow is formed, and pressure fluctuation is avoided; an automatic pressure relief valve assembly is arranged on the upper portion of the divergent channel and composed of a valve opening, a valve cover plate, a spring, an adjusting knob and the like, when the system pressure exceeds a set value, exhaust is automatically started, and controllable pressure relief is achieved. A plurality of rows of flow distribution holes are formed in the lower part of the distributor to ensure that the melt uniformly flows out to form stable melt strips; the problems that traditional equipment is difficult to pressurize and not timely in pressure relief are solved, the supercritical state maintenance, gas-liquid separation and melt forming processes are optimized, the volatile component removal efficiency is improved, the phenomenon that melt strips are broken or accumulated is effectively prevented, and continuous and stable operation of the devolatilization process is guaranteed.

The embodiment of the specification provides an astaxanthin extraction device, the device comprises a mixing tank, a cavitator, a static mixer, a three-phase centrifuge and a precision filter, the mixing tank is configured to mix haematococcus pluvialis, water and phospholipase to form uniform algae slurry; the cavitator is configured to receive the algae slurry and perform wall breaking on the algae slurry by utilizing hydrodynamic cavitation to obtain wall-broken algae slurry; the static mixer is configured to mix the wall-broken algae slurry and an extraction agent to form mixed algae slurry; the three-phase centrifugal machine is configured to receive the mixed algae slurry and perform three-phase separation on the mixed algae slurry to obtain an astaxanthin oil phase, a water phase and algae residues; the precision filter is configured to filter the astaxanthin oil phase so as to remove residual algae residues, and the astaxanthin oleoresin is obtained.

The invention discloses a powder multidirectional pneumatic conveying channel structure based on mixed material processing, and relates to the technical field of pneumatic conveying, the powder multidirectional pneumatic conveying channel structure specifically comprises a buffer mixing cylinder, the bottom of the buffer mixing cylinder is provided with a sealing ball valve, the bottom of the sealing ball valve is fixedly communicated with a first flow channel through a flange, and one end of the first flow channel is fixedly connected with a material distributing cylinder; a runner II is fixedly communicated with one side of the material distributing barrel, and a feeding pipe is also communicated with one side of the material distributing barrel; through two core designs of mechanical linkage self-adaptive regulation and intelligent on-demand energy supply, the energy efficiency ratio and the operation flexibility of the system are remarkably improved while the problem of powder conveying layering is solved, an efficient and reliable solution is provided for long-distance and multi-component powder pneumatic conveying, and compared with a static mixer, the energy efficiency of the system is greatly improved. The problem of separation caused by material characteristic difference is solved, and energy consumption increase caused by a multi-section mixer is avoided.

A burner (3) according to one embodiment is for generating a flame by burning an air / gas fuel mixture gas, and the burner comprises a cylindrical body (4A) that surrounds a premixing zone (40) including a plurality of mixing flow paths (8) disposed in the circumferential direction. The cylindrical body (4A) forms a nozzle (41) that injects the mixture gas. Further, the burner (3) comprises a plurality of static mixers (9) that mix the gas fuel and the air and that are disposed in the respective mixture flow paths (8).

The utility model discloses a diphenylmethane series amine reaction device, and belongs to the technical field of integrated condensation reactors, the diphenylmethane series amine reaction device comprises a salifying-condensation reactor, a plug flow reactor is arranged on one side of the salifying-condensation reactor, the salifying-condensation reactor comprises a reaction kettle, a double-layer hollow stirring shaft is arranged in the reaction kettle, and the double-layer hollow stirring shaft is connected with the plug flow reactor. A static mixer is arranged on one side of the reaction kettle; the multi-nozzle static mixer with the built-in condensation assembly can strengthen the mixing effect, the static mixer is directly connected with the reaction kettle, salt forming reaction liquid can be effectively prevented from staying in a pipeline and reducing the color of a system, and the hollow stirring shaft is beneficial to rapid mixing and timely removal of reaction heat; according to the device, aniline and hydrochloric acid as well as aniline hydrochloride and formaldehyde are rapidly and uniformly mixed, reaction heat is removed, local overheating and hot spots are avoided, generation of by-products can be reduced, colors of products and downstream products are effectively improved, the quality of the downstream products is improved, and the device is suitable for large-scale industrial production and high in synthesis efficiency.

To provide a static mixing apparatus for producing long-term sustainable ozone water that can be easily downsized and can sustain an ozone density for a long term even when inflow pressure of liquid is low.SOLUTION: A static mixing apparatus (40) produces long-term sustainable ozone water having ozone gas sustained for a long term, from liquid mixed with ozone including ozone gas. The static mixing apparatus comprises a static swirl flow generating part (41), arranged in a first tube (TU), which makes the liquid mixed with ozone conveyed from the first tube generate swirl flow, and a cavitation generating part (44), arranged in the first tube, which makes the liquid mixed with ozone swirled in the swirl flow generating part generate cavitation. The cavitation generating part (44) includes a shaft part, a first unit (441) in which a predetermined number of fins are arranged at a first angle around the shaft with respect to a direction of the first tube, and a second unit (442) in which a predetermined number of fins are arranged at the first angle around the shaft part.SELECTED DRAWING: Figure 2

The invention discloses an automatic ammonia preparation device for adding ammonia water into condensed water at multiple points, and belongs to the technical field of industrial water treatment. Comprising an ammonia preparation unit, a multi-path adding unit and a control unit, the ammonia preparation unit comprises an ammonia water storage tank, a desalted water tank, a mixing and diluting tank, a first metering pump, a second metering pump and an online conductivity meter; the ammonia preparation unit is used for mixing ammonia water and desalted water in proportion; the multi-path adding unit comprises a main distribution pipeline and at least three parallel adding branches, each adding branch is communicated with a regulating valve, a flow meter and a static mixer, and the multi-path adding unit is used for adding mixed ammonia water to a plurality of adding points of the condensed water system; the control unit comprises a PLC (Programmable Logic Controller) and a pH sensor, the pH sensor is used for monitoring the pH value of condensed water at each feeding point, the PLC is in signal connection with the pH sensor, the online conductivity meter, the regulating valve and the flow meter, and the control unit is used for realizing dynamic flow distribution.

Formulation delivery systems, formulation delivery devices, and formulation cartridges for the same are provided. Formulation delivery systems include a reusable handle, a formulation dispensing assembly, and a controller. The formulation dispensing assembly includes a reciprocating nozzle assembly and a pump. The reciprocating nozzle assembly is fluidically-coupleable to the formulation cartridge or the cleaning cartridge received within the reusable handle. Formulation delivery devices include a reusable handle configured to receive a formulation cartridge therein, and a formulation dispensing assembly disposed in the reusable handle. The formulation dispensing assembly includes fluid conduits, a pump fluidically connected to the fluid conduits, a reciprocating nozzle assembly, and a controller. Formulation cartridges include a reusable cartridge body and a formulation cartridge refill unit.

The utility model provides a natural gas hydrogen-doped static mixer which comprises a natural gas conveying pipeline and a hydrogen conveying pipeline which is vertically arranged on the side wall of the natural gas conveying pipeline. A plurality of first mixing structures and second mixing structures are sequentially arranged on the downstream of the communicating position of the hydrogen conveying pipeline and the natural gas conveying pipeline at intervals, each first mixing structure comprises a plurality of waved plates, and the waved plates are sequentially distributed left and right at intervals. The second mixing structure comprises a plurality of groups of first mixing sub-groups and second mixing sub-groups which are sequentially distributed at intervals from top to bottom; each of the first mixing sub-groups and the second mixing sub-groups comprises a plurality of strip-shaped partition plates. Natural gas and hydrogen are fully cut and mixed through the first mixing structure and the second mixing structure in the mixer, the mixing uniformity of the natural gas and the hydrogen is improved, and then the use safety of gas equipment is improved.

A dimethyl sulfoxide synthesis system and a synthesis method, the system comprising: a fixed bed reactor (2) used to synthesize dimethyl sulfide, and an oxidation reactor (4) used to synthesize dimethyl sulfoxide. An external intensification unit (9) is disposed outside the oxidation reactor (4), the external intensification unit (9) comprising a first intensification reactor (901) and a second intensification reactor (902), the first intensification reactor (901) being disposed above the second intensification reactor (902), the first intensification reactor (901) being connected to a discharge port at a bottom end of the fixed bed reactor (2), the second intensification reactor (902) being connected to a nitrogen dioxide or oxygen storage tank (13), a connecting pipe (903) being disposed between the first intensification reactor (901) and the second intensification reactor (902), and a static mixer (904) being disposed in the connecting pipe (903).

The invention belongs to the field of mixers, and particularly relates to a static mixer, a preparation method, a water-based fire extinguishing agent continuous production device and a production process. The static mixer comprises a plurality of continuous mixing elements; each mixing element comprises three triangular blades, namely a first triangular blade, a second triangular blade and a third triangular blade, and the second triangular blade and the third triangular blade are respectively connected with two angle edges of the first triangular blade; and the second triangular blade and the third triangular blade are arranged in opposite directions. According to the static mixer designed by the technical scheme of the invention, rapid mixing among fluids is realized, continuous operation in whole-flow pipeline reaction is realized, the problems of long stirring time and non-uniform mixing in current intermittent operation are solved, the working intensity of operators can be reduced, and the production efficiency is improved.

The utility model relates to a spiral belt type static mixer, which is used for fully mixing fluid for heat exchange, is connected with a heating medium device and comprises a first pipeline and a second pipeline sleeved outside the first pipeline, and both the first pipeline and the second pipeline are connected with the heating medium device. A fluid channel for fluid to flow is arranged between the first pipeline and the second pipeline; a plurality of mixing units are arranged in the fluid channel, a spiral channel consisting of a plurality of spiral bands is arranged in each mixing unit, fluid is mixed in the spiral channels, and the spiral channels in the adjacent mixing units are opposite in rotation direction. According to the utility model, by arranging the mixing units with opposite rotation directions, the fluid mixing effect is enhanced; no obvious dead zone exists in a fluid channel, and the problem that the heat exchange effect is poor due to the too thick boundary layer is solved; the second pipeline on the outer side and the first pipeline on the inner side can convey heat transfer media at the same time, the overall heat exchange effect of the pipeline can be remarkably enhanced, and the fluid temperature is more uniform.

A UV disinfectant system may include a chamber having a wall that is transparent to a disinfecting radiation. Liquid may be flowed through the chamber for treatment by exposure to the radiation. The chamber may include a static mixer having vanes to impede laminar flow of the liquid during treatment. The vanes extend into the flow path of the liquid through the chamber. A gap is defined between the vanes and the transparent wall. A cabinet may house the chamber and radiation emitting bulbs. Blowers may be operably coupled to a temperature sensor and flow meter and positioned at a lower end and upper end of the cabinet to urge air out of the cabinet. The temperature sensor may include a thermocouple. The blowers may be variable speed blowers. The system may include a controller to control system operations. The controller may be remotely accessible to monitor or control operations.

The invention discloses a differential shrinkage mixed fiber polyester one-step processing technology, which comprises the following steps: after final shrinkage molding of a PET polyester melt through a polyester final shrinkage kettle, injecting the PET polyester melt into a spinning manifold through a melt filter, a booster pump, a melt conveying pipeline, a cooler and a static mixer in sequence; after being distributed, melts in the spinning box body are respectively shunted into a first metering pump and a second metering pump to be injected into corresponding spinning assemblies for feeding; after one half of the spinning assembly discharges filaments, POY tows are obtained through circular blowing cooling and oil nozzle oiling, the other half of the tows enter IBox five hot rollers through a GR0 draw-off godet to be stretched to form FDY tows, and the FDY tows and the POY tows enter a pre-network at the same time to be subjected to network fiber mixing to form preformed ITY tows; and then sequentially entering a GR2 draw-off godet, a main network and a GR3 draw-off godet, carrying out full-automatic integrated winding and doffing to form ITY tows, and finally carrying out quality inspection, packaging and warehousing. The method has the remarkable advantages of being short in technological process, low in energy consumption, high in production efficiency, uniform and stable in quality and high in additional value, and the differential shrinkage rate can be flexibly adjusted.

The utility model discloses a device for continuously producing polyether. The device comprises a mixing kettle, a mixing kettle discharging pump, a receiving tank A, a receiving tank discharging pump A, a PO feeding pump, a static mixer, a pipeline reactor, a reactor discharging pump, an adsorption tower, an adsorption tower discharging pump, a receiving tank B, a receiving tank discharging pump B and a distillation tower, the method comprises the following steps: mixing an alcohol raw material and a catalyst in a mixing kettle, pumping into a receiving tank A for temporary storage, pumping the mixed material in the receiving tank A into a static mixer, mixing with epoxypropane, feeding into a pipeline reactor for reaction, pumping the reaction product in the pipeline reactor into an adsorption tower to remove metal elements introduced by the catalyst, a reaction product in the adsorption tower is pumped into a receiving tank B for temporary storage through an adsorption tower discharging pump, a reaction product in the receiving tank B is pumped into a distillation tower for distillation and purification, and purified polyether is obtained. By adopting the continuous production device, the energy consumption can be reduced, the generation of waste gas, waste residues and waste water is reduced, and the production cost is further reduced.

The invention discloses a dynamic regulation and control device and method for directional energy deposition material composition. The dynamic regulation and control device comprises at least two powder feeding cylinders, a powder mixing cylinder, a pair of oppositely-arranged powder feeding pipes, a pair of oppositely-arranged air blowing pipes and a multi-stage spiral static mixer. The bottom of each powder feeding barrel is provided with a powder feeding disc with the rotating speed independently adjusted, and two powder feeding pipes are communicated with the two powder feeding discs and the top of the powder mixing barrel. The air blowing pipes are oppositely arranged at the top of the powder mixing barrel in a staggered mode, and the air blowing pipes and the powder feeding pipes are arranged in a staggered mode in the vertical direction; and the multi-stage spiral static mixer is arranged at the lower part of the powder mixing barrel, and a plurality of independent spiral channels are formed by a plurality of layers of flow guide partition plates which are arranged in a staggered manner. The material composition can be dynamically regulated and controlled, the mixing uniformity is improved, and the powder mixing effect is further optimized according to different powder.

The utility model belongs to the field of chemical raw material recovery, and discloses a system for separating salt and extracting bromine from purified terephthalic acid membrane concentrated water. The system comprises a thermal decomposition device, a nanofiltration device, a static mixer and a bromine extraction rectification device. The utility model solves the technical problems that the acid consumption is large before bromine is extracted from purified terephthalic acid wastewater, and poisoning is easily caused by leakage hidden danger in the transportation and storage process of liquid chlorine.

The utility model discloses a static mixer, which relates to the field of mixing pipelines and comprises an outer pipe, connecting flanges are integrally formed at two ends of the periphery of the outer pipe, mounting mechanisms are arranged in the outer pipe, a plurality of spiral blades are arranged between the mounting mechanisms, the spiral blades are connected with the mounting mechanisms through butt joint mechanisms, and the butt joint mechanisms are connected with the outer pipe. The ends, making contact with each other, of the two spiral blades make contact in a crossed mode, and one connecting flange is connected with one part of the mounting mechanism through a positioning mechanism. By arranging the mounting mechanism, the positioning mechanism and the butt joint mechanism, the screw blade can be fixed without bolts, and the screw blade is more convenient to mount and dismount, so that the replacement efficiency of the screw blade is improved, and the stability of the mounted screw blade is ensured.

The invention relates to the technical field of organic chemical synthesis, and discloses a continuous production process of a cationic etherifying agent, which comprises the following steps: taking trimethylamine hydrochloride and epoxy chloropropane as raw materials; the method comprises the following six steps: raw material pretreatment, premixing, continuous reaction, continuous separation, refining and product storage: mixing and dissolving trimethylamine hydrochloride and a solvent, preparing a catalyst solution, uniformly mixing the three materials through a static mixer, feeding into a multi-stage tubular reactor, and carrying out segmented temperature control continuous reaction, and performing flash evaporation solvent removal and rectification on the reaction product to obtain a crude product, and performing ion exchange impurity removal and reduced pressure distillation refining to finally obtain a high-purity product. The method solves the problems of low yield and more byproducts in the traditional process, and is suitable for industrial large-scale production.

The invention relates to an external-circulation high-efficiency energy-saving high-viscosity material fermentation system and a use method thereof. The system comprises a fermentation tank, an emulsification shear pump, a buffer tank, a screw pump, a distributor and a static mixer, the fermentation tank is connected with the emulsification shear pump through a fermentation discharge pipe, the emulsification shear pump is connected with the buffer tank through a homogeneous feed pipe, the buffer tank is connected with the screw pump through a buffer material pipe, the screw pump is connected with the distributor through a pumping material pipe, and the static mixer is connected with the screw pump. The distributor is connected with the static mixer through a material distribution pipe; the static mixer is connected with the fermentation tank through a material return pipe; the fermentation tank, the buffer tank and the distributor are all connected with the air supply mechanism, and the fermentation tank and the emulsification shear pump are both connected with the disinfection mechanism. The use method of the fermentation system comprises a disinfection stage, an early fermentation stage and internal and external circulation linkage of fermentation. According to the method, the energy consumption of the fermentation process is effectively reduced, the yield of single-batch exopolysaccharides is greatly increased, and the productivity is greatly improved.

The utility model relates to the technical field of thermal expansion microsphere production, and particularly discloses equipment for producing small-particle-size thermal expansion microspheres, which comprises a water phase homogenizing kettle, an oil phase homogenizing kettle, a water-oil phase homogenizing kettle, a centrifugal pump, a primary static mixer, a secondary static mixer, a polymerization kettle, a bypass assembly and a backflow assembly, the water phase homogenizing kettle and the oil phase homogenizing kettle are respectively connected with the water-oil phase homogenizing kettle through pipelines, the water-oil phase homogenizing kettle is connected with the centrifugal pump through a pipeline, the first-stage static mixer is connected with the centrifugal pump through a pipeline, the second-stage static mixer is connected with the first-stage static mixer through a pipeline, and the second-stage static mixer is connected with the second-stage static mixer through a pipeline. The polymerization kettle is connected with the second-stage static mixer through a pipeline, the bypass assembly and the backflow assembly are both connected with the pipeline between the centrifugal pump and the first-stage static mixer, and through the arrangement, the thermal expansion microspheres with better particle size distribution, better expansion performance and lower residual monomer amount can be obtained.

The utility model belongs to the technical field of industrial wastewater fluid mixing treatment, and particularly discloses an SV type pipeline static mixer based on a 3D printing technology, which comprises a sleeve, a mixing structure and a chemical pipe interface, the mixing structure is arranged in the sleeve and comprises a plurality of mixing modules which abut against one another; each mixing module is formed by alternately stacking first corrugated plates and second corrugated plates, corrugations of the first corrugated plates and the second corrugated plates are obliquely arranged, and the two kinds of corrugated plates are placed in a corrugation direction staggered mode, so that a plurality of staggered flow channels are formed between the corrugated plates from front to back; the adjacent mixing modules are arranged in a manner that the corrugated plates are vertical to each other; the multiple medicine tube connectors are arranged on the tube wall of the sleeve at the front end of the mixing structure. The static mixer disclosed by the utility model is high in mixing efficiency, can be used for mixing various fluids at the same time, is wider in viscosity application range, and is suitable for application scenes with larger changes of fluid types, viscosities and flow velocities.

A highly efficient large-flow mixing device for natural gas and hydrogen for gas-fired power plants, characterized in that it comprises: a natural gas line on which a first flow meter and a first Venturi tube are arranged; a hydrogen line on which a second flow meter, a flow control valve and a second Venturi tube are arranged; a mixed gas line on which, in the direction of gas flow, a static mixer, a swirl mixer and a concentration meter are arranged sequentially; a PLC control unit which is electrically connected to the first flow meter, the second flow meter, the flow control valve and the concentration meter respectively; wherein the natural gas line and the hydrogen line are each connected to the inlet of the static mixer;wherein the PLC control unit is designed to calculate the target hydrogen flow rate and control the opening degree of the flow control valve based on the current natural gas flow rate detected by the first flow meter and a preset mixture concentration; wherein the PLC control unit is further designed to correct the opening degree of the flow control valve in real time based on the concentration signal of the mixed gas measured by the concentration meter.

Disclosed is a swirl-type liquid raw material in-line static mixer. In an apparatus, a pipe body extends along its central axis; a first raw material inlet is arranged at a top end of the pipe body and is collinear with the central axis; a second raw material inlet is arranged on a side wall of the pipe body and is perpendicular to the central axis; a first swirl pipe is arranged in the pipe body and connects with the first raw material inlet; a second swirl pipe is arranged in the pipe body and connects with the first swirl pipe and the second raw material inlet; a third swirl pipe is arranged in the pipe body and connects with the second swirl pipe; an outlet is arranged at a bottom end of the pipe body and connects with the third swirl pipe.