100 results about "Vaporization" patented technology

The invention discloses an unconventional feed quality assessment method and system, and relates to the technical field of unconventional feed quality assessment, and the method comprises the following steps: in a feed high-temperature drying treatment process, establishing a multi-dimensional sensing monitoring baseline, continuously obtaining mercury vapor concentration gradient, moisture evaporation rate and airflow velocity field data in a feed drying environment, and calculating the quality of the feed; forming a time sequence feature set reflecting the dynamic change of mercury vaporization; and constructing a gas-solid interaction analytical model by using the time sequence feature set, and carrying out coupling analysis on the mercury vapor migration trajectory and the temperature distribution and humidity distribution of the feed particle surface to generate a spatial distribution data set representing the spatial distribution feature of the mercury vapor redeposition region. According to the invention, the whole-process monitoring and dynamic regulation and control of mercury vaporization, migration and redeposition in the feed drying process are realized, through multi-dimensional monitoring, amplitude limiting control and high-frequency disturbance, the mercury distribution is balanced, the risk is reduced, the drying safety and the feed quality stability are improved, and the controllable management of heavy metal pollution is effectively realized.

The invention relates to the technical field of natural gas hydrates, in particular to a DSC (differential scanning calorimetry) correction-based multiphase flow system hydrate inhibitor loss prediction method, which comprises the following steps of: firstly, acquiring water activity and vaporization enthalpy of a sample under target salinity and ratio through two DSC tests, and regression a thermodynamic model according to the water activity and vaporization enthalpy to obtain a liquid-phase activity coefficient; the saturated vapor pressure of the inhibitor is calculated through the vaporization enthalpy obtained through DSC inversion and an anchor point method, a component distribution coefficient is obtained through combination of Poynting pressure correction and a gas phase fugacity coefficient, and a Rachford-Rice flash evaporation equation is solved to obtain an equilibrium phasor and composition; and then a first-order total mass transfer model is introduced to correct the actual vaporization loss, and droplet entrainment correlation is superposed to obtain the total flow loss of the inhibitor under the multiphase flow system. According to the method, the total flow loss of the hydrate inhibitor can be accurately calculated under the working conditions of high pressure, low temperature and salt-containing multiphase flow, so that a theoretical support is provided for adjusting an injection strategy of the inhibitor in real time.

The invention discloses a control method for stably recovering reaction heat of liquid-phase catalytic synthesis of chloromethane, which comprises the following steps: two-way shunting control of synthesis gas and reflux control of synthesis gas condensed acid, the first-way shunting control of the two-way shunting control of the synthesis gas comprises the following steps: enabling the synthesis gas to enter a first heat exchanger through a first control pipeline to vaporize methanol; according to the second-path split-flow control, the synthesis gas enters a second heat exchanger through a second control pipeline in a split-range control mode to be cooled; the first path of shunt control of the reflux control of the synthesis gas condensed acid is to form cascade control through the liquid level and the flow so as to return a liquid component into the synthesis reactor through a reflux pipeline, and the second path of shunt reflux control is to enable the liquid component to enter a hydrochloric acid storage tank through a discharge pipeline. The problem that in the prior art, steam needs to be additionally supplemented for methanol vaporization can be thoroughly solved, and long-time stable operation of the synthetic reaction can be guaranteed.

The invention belongs to the technical field of intrinsic safety of a gas-liquid phase mixing process, and particularly relates to a gas atomizing and mixing device. The device comprises a main pipeline, a first working part and a second working part. The first working part comprises a porous material membrane tube, and the porous material membrane tube comprises a membrane tube base body and an inner hole penetrating through the membrane tube base body in the axial direction of the porous material membrane tube. The second working part is arranged in the main pipeline, is of a Venturi tube type structure, and comprises a feeding section, a reducing section and an expanding section which are connected in sequence. The device can effectively atomize the combustible liquid and effectively vaporize atomized combustible liquid drops, and can remarkably reduce the burning and explosion risk caused by poor atomization and vaporization of the combustible liquid and non-uniform mixing of combustible steam and oxidizing gas in chemical production.

Disclosed herein is a storage system for storing low latent heat of vaporization gases comprises a primary storage tank for storing a liquid having a latent heat of vaporization of less than or equal to 1000 joules per gram, and a secondary storage tank comprising a porous sorbent for reversibly storing a boil-off gas released from the primary storage tank.

The utility model provides a liquid 1-butene vaporization device, and relates to the technical field of chemical raw material quality inspection, the liquid 1-butene vaporization device comprises a sampling steel cylinder, a vaporization chamber, a non-adsorption aluminum foil gas bag and a six-way gas sample injection valve, the device ensures the controllability of the total amount of vaporized sample gas and the consistency of the composition proportion by accurately quantifying a liquid sample, and the liquid 1-butene vaporization device is simple in structure and convenient to operate. By means of complete vaporization of the vaporizing chamber and buffering of the non-adsorption aluminum foil air bag, vaporized sample components are mixed evenly, light and heavy components of a gas sample collected by the six-way gas sample injection valve are distributed evenly, the sample detection accuracy is ensured, the sample cannot be adsorbed in the sampling process, and the sampling efficiency is improved. According to the device, a taken sample can be completely vaporized through the vaporizing chamber, and a completely vaporized gaseous sample can be completely transferred through the arrangement of the one-way valve, so that errors cannot be caused to later detection of the sample, and the problems that in the prior art, a detection result is deviated, and errors are easily caused to later detection of the sample are solved.

The present invention relates to the technical field of vaporizers. Provided is a vaporizer for chemical vapor deposition, comprising: an atomizer configured to break a liquid into liquid droplets; a heating container, wherein a container wall of the heating container is configured to form a first heat exchange surface, a filter is provided inside the heating container, atomized liquid droplets enter the heating container, the filter is configured to intercept the liquid droplets or other particles, and the first heat exchange surface heats a gas in the heating container so that the gas exchanges heat with the liquid droplets to vaporize the liquid droplets; and a reaction chamber, wherein vaporized liquid droplets enter the reaction chamber for a chemical vapor deposition reaction. The present invention has the advantages of stability, precise flow control, complete vaporization, low possibility of thermal decomposition, precise control of low flow rates, high vapor content, maintenance-free operation, low carrier gas consumption, fast response speed, small size, high level of integration, etc.

Embodiments herein relate to compound detection systems. In an embodiment, a compound detection system includes an input opening to a flow path for receiving a fluid sample, a capture structure for receiving the fluid sample, a heating element configured to heat the capture structure to a temperature to vaporize first components of the fluid sample, and a detector assembly configured to receive the vaporized first components and to detect the presence of compounds among the first components, wherein the system includes a vaporization agent and can be configured so that the vaporization agent can be vaporized by the heating element.

The present application relates to natural gas hydrate technical field, especially relates to a kind of hydrate inhibitor loss prediction method of multiphase flow system based on DSC correction, first by two kinds of DSC test obtains the water activity and vaporization enthalpy of sample under target salinity and proportion, and accordingly regression thermodynamic model obtains liquid phase activity coefficient;Again, the saturated vapor pressure of inhibitor is calculated with DSC inversion vaporization enthalpy and anchor point method, combined with Poynting pressure correction and gas fugacity coefficient obtains component distribution coefficient, solves Rachford-Rice flash equation and obtains equilibrium phase and composition;Subsequently, the first-order overall mass transfer model is introduced to correct actual vaporization loss, and the total loss of inhibitor flow under multiphase flow system is obtained by superimposing droplet entrainment correlation.The present application can accurately calculate the total flow loss of hydrate inhibitor under high pressure, low temperature and salt-containing multiphase flow conditions, thereby providing theoretical support for real-time adjustment of inhibitor injection strategy.

The invention provides a gas tank, thin film deposition equipment, a control method and a storage medium. The gas tank comprises a tank body, a cold air pipeline, a vaporization detector and a controller. An air inlet is formed in the box wall of the box body, and a vaporizer of a precursor is arranged in the box body. The first end of the cold air pipeline is connected with a cold air source, the second end of the cold air pipeline is connected with the air inlet of the box body, and a valve is arranged in the cold air pipeline. And the vaporization detector is configured at a gas outlet of the vaporizer. The controller is connected with the valve and the vaporization detector, and is configured to obtain the vaporization rate of the vaporizer to the precursor through the vaporization detector; and the opening degree of the valve is adjusted according to the vaporization rate, so that the environment temperature in the box body is adjusted. The vaporizing rate of the vaporizer to the precursor can be detected, the opening degree of the valve of the cold air pipeline is adjusted accordingly, sufficient vaporizing of the vaporizer to the precursor is ensured, and the problem that particle pollution is introduced into the process chamber due to insufficient vaporizing is avoided.

The utility model discloses a vaporization device for liquid chlorine raw materials, which relates to the technical field of vaporization of liquid chlorine raw materials and comprises a vaporization cylinder, a water inlet pipe is fixed at the bottom of the outer side wall of the vaporization cylinder, a drain pipe is fixed at the top of the outer side wall of the vaporization cylinder, and a liquid chlorine inlet pipe is fixed at the bottom of the outer side wall of the vaporization cylinder in a penetrating manner. A chlorine discharge pipe is fixed to the top of the outer side wall of the vaporization cylinder in a penetrating mode, a spiral pipe is fixed between the end of the liquid chlorine inlet pipe and the end of the chlorine discharge pipe, a turbulent flow mechanism is fixed to the top of the vaporization cylinder, and a flow division buffering mechanism is fixed to the outlet end of the chlorine discharge pipe; according to the vaporization device for the liquid chlorine raw material, water in the vaporization cylinder is disturbed through the arrangement of the turbulent flow mechanism, so that all parts of an internal water body are mixed, the temperature of all parts of the internal water body is guaranteed to be uniform during vaporization heat absorption, and the situation that the vaporization effect is affected due to uneven heating is avoided.

A system and method for controlling the temperature of a medium by refrigerant vaporization, working gas condensation, or a combination of both, the system including a container, at least one working gas storage tank having at least one storage tank section including a wall thermally coupled to a volume of medium within the container and having an exterior surface constructed to provide a volume of medium thermal coverage within the container, and a condenser for regulating working gas condensation in the storage tank, whereby the working gas storage tank forms a vapor space in each of the at least one storage tank section in response to receiving working gas and regulating condensation in the condenser to enable working gas condensation at or near a selected temperature of a volume of medium within the container thermally coupled to the respective storage tank section.

The utility model provides an evaporator, thermosyphon heat exchanger and power conversion equipment, the evaporator comprises an evaporator body and a working medium guide structure arranged in the cavity of the evaporator body, and the area of the inner surface of the first side wall of the evaporator body corresponding to a heating point is a heated area. The working medium guiding structure is at least partially and correspondingly arranged in the heated area or arranged above the heated area, the working medium guiding structure is provided with a guiding face, and the guiding face extends in the direction away from the heated area. By adopting the scheme, the guide surface of the working medium guide structure guides the vaporized vaporizing working medium to at least one side far away from the heated area in a shunting manner, so that the situation that the vaporizing working medium vaporized after absorbing heat in the lower layer area of the heated area affects the heat exchange effect of the upper layer area of the heated area in the rising process is reduced; and the cooling effect of the evaporator on a heating point is further improved.

The invention discloses a critical fire extinguishing concentration testing method and device suitable for a non-azeotropic gas fire extinguishing agent, and belongs to the technical field of fire fighting, and the method comprises the steps of differentiated fire extinguishing agent filling, mass flow calibration, air and fire extinguishing agent steam volume flow correction and critical concentration calculation. The device comprises a filling part, a flow calibration part, a heating vaporization part and a fire extinguishing part, and the design of low-temperature condensation filling, high-pressure plunger pump conveying, high-temperature vaporization chamber vaporization and the like is adopted. A differential filling strategy of low-temperature condensation and high-pressure maintenance is provided, and the problem that low-boiling-point components are vaporized in advance is solved in cooperation with high-pressure plunger pump conveying and whole-course heat preservation pipeline design; a fire extinguishing agent is completely and uniformly vaporized by adopting a high-temperature vaporizing chamber, and an integrated testing device is constructed by combining an accurate calculation method of mass flow calibration and temperature correction. Accurate metering and stable testing of the non-azeotropic fire extinguishing agent are achieved, the result is reliable, core technical support is provided for research and development of a novel composite gas fire extinguishing agent, and universality and innovativeness are both achieved.

The invention relates to the technical field of gas phase device control, and discloses a gas phase device control method, device and equipment and a storage medium. Calculating the first gas total pressure, the first hydrogen flow and the pipeline temperature based on a preset operation liquid phase pre-judgment algorithm to obtain a liquid phase possible value; if the liquid phase possible value is larger than the possible threshold value, a gas phase device bypass control instruction is generated; in the bypass working state, a gas phase device access control instruction is generated according to the current vaporization state and a preset error threshold value; through multi-dimensional parameter collection and intelligent pre-judgment, accurate identification of liquid phase risks and reliable switching of valve paths are achieved, actions are performed only during complete vaporization, misoperation is avoided, system logic is rigorous, gas phase conveying automation and control precision are improved, and continuous, stable and safe operation of trichlorosilane vaporization conveying is guaranteed.

The utility model relates to the technical field of chlorine preparation, and discloses chlorine gasification equipment which comprises a feeding pipe, one end of the feeding pipe is communicated with a dispersing pipe, the outer wall of the dispersing pipe is communicated with a conveying pipe, the other end of the conveying pipe is communicated with a vaporization pool, the inner wall of the vaporization pool is provided with a spiral pipe I, and the spiral pipe I is provided with a spiral pipe II. A first spiral pipe is arranged on the inner wall of the vaporization pool, a second spiral pipe is arranged on the inner wall of the vaporization pool, the two ends of the first spiral pipe and the two ends of the second spiral pipe communicate with circulating pools, one end of the first spiral pipe and one end of the second spiral pipe are each provided with a conveying pump, a gas conveying pipe is arranged at the upper end of the vaporization pool, and the other end of the gas conveying pipe communicates with a buffer tank. According to the utility model, the liquid chlorine is conveyed into the vaporization pool, and the spiral pipe I and the spiral pipe II are arranged in opposite directions, so that the temperature in the vaporization pool is uniform and stable, the vaporization efficiency is higher, and the vaporized chlorine is conveyed into the buffer tank through the gas conveying pipe and then is conveyed out from the buffer tank for application.

The application discloses a new process for purifying alcohol ultra-clean high-purity reagent by rectification-double membrane method, which comprises the following steps: firstly, removing heavy components in alcohol ultra-clean high-purity reagent raw materials by simple rectification technology to obtain alcohol ultra-clean high-purity reagent with purity higher than 99.9%; and then, separating the alcohol ultra-clean high-purity reagent by membrane separation technology to remove other low-boiling volatile organic matters, metal ions and insoluble impurity particles, and obtaining SEMIG5 or above grade alcohol ultra-clean high-purity reagent on the permeation side by condensation. In addition, the alcohol ultra-clean high-purity reagent on the rejection side of the permeation vaporization returns to the rectification tower, and the evaporation enthalpy of the distillation process and the vaporization enthalpy of the membrane separation process are combined, so that the energy loss in the repeated vaporization and condensation process is reduced, and the energy utilization efficiency is improved.

The invention relates to the technical field of foaming agent processing, and discloses a disc type heating foaming agent vaporization device which comprises a vaporization box, a liquid inlet pipe fixedly connected to the top side of the vaporization box, an air outlet pipe fixedly connected to the bottom side of the vaporization box, a control module fixedly installed on the outer wall of the vaporization box, and a temperature sensor fixedly installed on the inner wall of the vaporization box. A disc type heating pipe is arranged in the vaporization box, a plurality of fixing frames are fixedly connected to the disc type heating pipe, a spiral liquid pipe is arranged in the middle of the disc type heating pipe, a liquid inlet hopper is fixedly connected to the top of the spiral liquid pipe and arranged under the liquid inlet pipe, and an air outlet groove is formed in the top wall of the spiral liquid pipe. Compared with a traditional straight heating pipe, a more uniform temperature field can be formed in the vaporization box, the pipe diameter of the spiral liquid pipe and the power of the disc type heating pipe can be adjusted according to the vaporization amount requirement, for example, a liquid pipe with a larger pipe diameter and a heating pipe with higher power are selected during large-scale production, and small-flow precise vaporization and large-flow continuous vaporization scenes are considered.

The invention discloses a cleanliness detection method and device suitable for a long-distance refrigeration pipeline, and relates to the related technical field of cleanliness detection.The method comprises the steps that the injection gas type and injection pulse signals of a to-be-detected long-distance pipeline are determined; a liquid nitrogen vaporization device is connected, a pulse injection valve is controlled by injecting pulse signals to inject gas into an inlet, an infrared thermal imaging array is adopted to collect the temperature of the outer surface, and real-time response data of the temperature of the outer surface are output; constructing a heat transfer abnormal area identification model through a pipeline three-dimensional transient heat transfer equation, and marking an abnormal area to obtain a heat transfer abnormal area; and analyzing the heat transfer abnormity response data of the heat transfer abnormity area, and generating a cleanliness detection result. The technical problems that in the prior art, the cleanliness detection efficiency of a long-distance refrigeration pipeline is low, real-time dynamic monitoring cannot be achieved, and a local pollution area is difficult to accurately recognize are solved, and the technical effects that the heat transfer abnormal area is accurately positioned, and high-efficiency and high-precision cleanliness detection is conducted on the pipeline are achieved.

The utility model relates to the technical field of chemical vaporizers, in particular to a vertical cylinder type chemical vaporizer which comprises a vertical cylinder, a heat preservation cylinder is coaxially installed in an inner cavity of the vertical cylinder, and a heating vaporization unit is coaxially installed in the heat preservation cylinder. The top of the heating vaporization unit movably penetrates out of a heat preservation cover at the top of the heat preservation barrel in a sealed mode, an outer annular heat preservation cavity is formed between the heating vaporization unit and the inner wall of the heat preservation barrel, a center heat preservation cavity is formed in the center of the heat preservation barrel, and a heat collection unit is installed on the lower portion of the vertical barrel. In the heating vaporization unit, the annular heat conduction cylinder is stably connected with the heat preservation cover, and heat of the center heat preservation cavity and the outer annular heat preservation cavity can be conducted to liquid in the annular heat conduction cylinder in a two-way mode. The liquid primarily heated by the liquid supply elbow enters the annular heat conduction cylinder and then is further heated until vaporization, and the heating vaporization effect is remarkably improved through the internal and external combined heating mode.

According to the integrated two-phase liquid cooling plate and the preparation method, a porous layer is attached to the periphery of a micro-channel, so that the specific surface area of the micro-channel can be increased, and when liquid flows out through the micro-channel, capillary force provided by the porous layer on the micro-channel can rapidly guide heat on the liquid cooling plate into the liquid; due to the porous structure, liquid can be vaporized to form vaporization nucleation sites, and a gas-liquid two-phase region is formed, so that rapid and efficient heat transfer is realized; moreover, the method for preparing the porous material by synthesizing the porous intermetallic compound through the reaction of corresponding metal element powder has the compromise characteristic of metal and ceramic, and has the advantage that multistage micro-nano pores can be generated in situ.

This invention discloses a thermosiphon loop device. The evaporator consists of four parts: a liquid chamber, a vapor chamber, a microgroove structure, and a filter screen. The microgroove structure significantly increases the number of vaporization nuclei, enhancing boiling heat transfer. Above the microgroove structure, a hemispherical filter screen is designed to drastically reduce the amount of liquid carried into the vapor chamber, thereby enhancing gas-liquid separation within the evaporator. This gas-liquid separation allows the working fluid to have a higher dryness near the evaporation section outlet, significantly increasing the density difference and pressure driving force between the vapor and liquid phases inside the thermosiphon loop, and improving the heat transfer limit. Furthermore, a heat insulation device is installed in the condensate return pipe at the bottom of the evaporation section to suppress backflow caused by the growth and expansion of boiling bubbles, effectively reducing heat leakage at the bottom of the evaporation section. This invention achieves gas-liquid separation within the evaporator and reduces heat leakage at the bottom, thereby improving the heat transfer performance of the thermosiphon loop and making it suitable for high-power heat dissipation requirements.

Title: Process and apparatus for the simultaneous production of gaseous CO2 and liquid CO2. In a process for the simultaneous production of gaseous CO2 and liquid CO2 from a gaseous mixture containing CO2 and at least one component lighter than CO2, wherein the gaseous mixture (S101) is separated, producing a first liquid (S108, S110) at a first pressure richer in CO2 than the gaseous mixture, a first part (S110) of the first liquid is completely vaporized at the first pressure by heat exchange with the mixture, forming a first gas (S115) rich in CO2, a second part (S108) of the first liquid is completely vaporized at a second pressure lower than the first pressure by heat exchange with the mixture, forming a second gas (S113) rich in CO2, the second gas is compressed in at least one stage of a compressor (C1) from the second pressure to substantially the first pressure.The first and second gases are mixed at the first pressure to form a third gas, and simultaneously the mixture is divided to produce a liquid product (S118) and a gaseous product (S116). Fig 2,

The invention belongs to the technical field of lead screw heat treatment, and particularly relates to segmented tempering equipment for a lead screw, the segmented tempering equipment comprises a speed limiting type turbine assembly, a pneumatic transmission assembly, a floating type baffle assembly, a floating driving assembly, a quenching assembly and a supporting roller assembly, the pneumatic transmission assembly is arranged on the supporting roller assembly, and the floating type baffle assembly is arranged on the supporting roller assembly; the floating type baffle assembly is arranged in the air pressure transmission assembly in a sliding mode. According to the spray quenching device, the instant vaporization phenomenon of liquid during spray quenching is utilized, the lead screw is driven to move through water vapor with high pressure, and compared with traditional automatic equipment, originally wasted energy can be collected and utilized, and the technical purpose of saving energy is achieved; water vapor generated after the pneumatic turbine is driven impacts the lead screw, the surface of the lead screw can be wetted, the lead screw can be preheated to a certain extent before quenching, and therefore the risk that surface cracks are generated in the quenching process is reduced.

Systems, methods and apparatuses for vaporizing all or substantially all plant matter, liquid and / or other material to be vaporized are disclosed. Embodiments of the invention comprise a vaporization chamber sealed except for at least two conduits, heating element, a first conduit coupled to a source of fully or almost fully non-oxygenated gas, a heating element capable of heating the vaporization chamber to a temperature above a combustion temperature, a second conduit configured to transport vaporization gases and vaporized elements out of the vaporization chamber and at least one valve positioned in the second conduit preventing the flow of atmospheric air into the vaporization chamber. In some instances, the first gas substantially clears the vaporization chamber of atmospheric air prior to reaching combustion temperature. A second gas containing oxygen may be intermixed with the vaporization gases and vaporized elements proximal to the combustion chamber.

The present utility model relates to the technical field of household appliances. Disclosed is a household steam iron, comprising an iron main body (1), wherein a water tank (2) and a vaporization chamber (3) are provided in the iron main body (1); and a spraying assembly (4) is provided between the water tank (2) and the vaporization chamber (3), a water inlet and a water outlet of the spraying assembly (4) are respectively connected to the water tank (2) and the vaporization chamber (3), and the spraying assembly is configured to uniformly spray water in the water tank (2) into the vaporization chamber (3). The spraying assembly (4) can uniformly spray the water in the water tank (2) into the vaporization chamber (3), such that balanced distribution of the water in the vaporization chamber (3) is achieved, thereby avoiding the phenomenon of steam dripping or high local temperature caused due to uneven distribution of water, thus facilitating prolonging the service life of the household steam iron and improving the use safety thereof.

Device (1) for aspirating a vaporized substance at room temperature, wherein the device (1) comprises an inlet duct (3) for the inlet, by suction, of air outside the device (1), an outlet duct (4) opposite the inlet duct (3) for the outlet of a mixture consisting of air and vaporized substance, a vaporization chamber (5) positioned between the inlet duct (3) and the outlet duct (4) for receiving the external air and to generate the mixture consisting of air and vaporized substance, wherein the vaporization chamber (5) comprises a cavity (7) suitable for receiving a container (9) wherein the substance to be vaporized is inserted, the vaporization chamber (5) also comprising a vibrating surface (6) positioned at the bottom of said cavity (7), and an electronic control unit (11) comprising an electronic generator (8) coupled to the vibrating surface (6) to produce an ultrasonic signal which feeds the vibrating surface (6) and to create a vapor of nano-droplets of the substance.

The invention belongs to the technical field of geothermal energy development, and particularly relates to a waste oil and gas well two-phase heat extraction system and a control method. The system comprises an underground coaxial pipe structure and a ground system, the underground system is composed of a central ascending pipe and a production sleeve, and an evaporation cavity is formed in the bottom of the underground system; the ground system comprises a working medium circulation unit, a power generation unit and a control system. The control method comprises the core steps that firstly, the high pressure of a system is maintained through a back pressure valve, and a liquid working medium is kept in a boiling restraining state in the annular space descending period; the working medium is accurately controlled to absorb heat and boil when reaching a temperature critical point when reaching a well bottom evaporation chamber; a generated vapor-liquid mixture is driven by the thermosyphon effect to return to the ground through the central ascending pipe; the back pressure and the injection flow are adjusted in real time to maintain stable and efficient operation by dynamically monitoring return working medium parameters. The system makes full use of phase change latent heat of the working medium, is high in heat extraction efficiency, and has the advantages of being high in system self-driving capacity, low in operation cost, safe, environmentally friendly and capable of achieving green transformation of the abandoned well.

The application relates to the technical field of humidifying equipment, and discloses an integrated vaporizer which comprises a vaporizer body and a heating assembly. A fluid channel is formed in the vaporizer body, and the fluid channel is sequentially divided into a water inlet, a vaporization section, a buffer section and an air outlet which are in communication with each other along a fluid flow direction; the heating assembly is arranged outside the vaporization section and is in thermal coupling with the vaporization section; wherein the flow area of the fluid channel in the vaporization section is larger than the flow area of the water inlet and larger than the flow area of the air outlet. In this way, the problem that liquid water and condensed water are easily sprayed into the box and the stability of the environment in the box is destroyed due to fine tube vaporization and long hose conveying is effectively solved. Meanwhile, the application further discloses a humidifying device.