639 results about "Vaporizer" patented technology

The utility model discloses a production device for comprehensive utilization of cyclopentadecanolide perfume production wastewater resources, which relates to the technical field of cyclopentadecanolide perfume production and comprises a pretreatment neutralization kettle, an acid-containing wastewater head tank and a 30% sodium hydroxide solution head tank. The acid-containing wastewater head tank and the 30% sodium hydroxide solution head tank are respectively connected with the pre-treatment neutralization kettle through pipelines, and the pre-treatment neutralization kettle is also connected with a low-temperature vacuum evaporator through a pipeline. And the method is not limited by brine concentration.

A mouthpiece for a vaporizer device includes a vapor inlet and an aerosol outlet. A first plurality of air inlets and a second plurality of air inlets are disposed between the vapor inlet and the aerosol outlet and configured to provide air streams. The air streams form a first vortex and a second vortex. The air streams mix with a vapor entering from the vapor inlet and form an aerosol exiting through the aerosol outlet. Related apparatus, systems, techniques and articles are also described.

Features relating to a cartridge for use with a vaporizer body are provided. The cartridge mates with the vaporizer body in a cartridge receptacle. The cartridge may include a cartridge body defining a reservoir configured to contain vaporizable material; a mouthpiece coupled to a proximal end region of the cartridge body; at least one proximal absorbent pad wedged within an internal volume of the mouthpiece; a mouthpiece seal with sealing ribs; a cannula defining a vaporization chamber extending through the cartridge body; a resistive heating element; a porous wick configured to draw the vaporizable material in the reservoir towards the vaporization chamber; an internal sealing gasket positioned in a distal end region of the cartridge body; a lower support structure positioned in the distal end region of the cartridge body; and at least one distal absorbent pad configured to wedge within a recess located in the lower support structure.

The utility model belongs to a gas distribution system for liquid nitrogen. Comprising a liquid nitrogen storage tank connected with a liquid nitrogen pipeline, the liquid nitrogen storage tank is connected with a vaporizer through a booster pump, and an outlet of the vaporizer is connected with an IG541 fire extinguishing agent filling system and a standard gas distribution system through a first tee joint; the standard gas distribution system comprises a nitrogen circulation part, and the tail end of the nitrogen circulation part is respectively connected with the high-end gas distribution part and the standard gas distribution system through a second tee joint; the high-end gas distribution part comprises a nitrogen purification system, and the tail end of the nitrogen purification system is connected with a high-end standard gas distribution system; the method has the characteristics of reducing investment, being convenient to control, saving energy consumption and ensuring stable operation of the system.

The invention belongs to the technical field of alkane cracking processes, and provides an alkane raw material treatment device and method capable of efficiently recycling raw material cold energy, the alkane raw material treatment device comprises a gasification assembly, the gasification assembly comprises a throttle valve, the discharge end of the throttle valve is communicated with a cold end flow channel of a cold energy heat exchanger, and a hot end flow channel of the cold energy heat exchanger is circularly connected with a cold energy user; the gas-liquid separation assembly comprises a gas-liquid separation tank, a gas phase outlet of the gas-liquid separation tank is communicated with compression equipment, and a liquid phase outlet of the gas-liquid separation tank is communicated with a liquid alkane vaporizer; the raw material heating assembly comprises a raw material superheater, a feeding port of the raw material superheater is communicated with a discharging port of the compression equipment, and a discharging port of the raw material superheater is communicated with follow-up processing equipment. In the alkane gasification process, the alkane cooling capacity can be efficiently and stably recycled and utilized, and the purposes of reducing cost and improving efficiency can be achieved.

The invention provides an energy-saving method and device for producing feed-grade propionic acid by using methanol carbonylation acetic acid waste liquid. The methanol carbonylation acetic acid waste liquid comprises the following components in percentage by mass: 40-80% of acetic acid, 20-60% of propionic acid and the balance of high-boiling residues, the method comprises the following steps: (1) evaporating the waste liquid by adopting a film evaporator with a scraper conical structure at the bottom to obtain a first gas phase and first kettle residues, controlling the evaporation rate to be 50-85% in the evaporation process, and keeping the first kettle residues in a flowing state; 2) directly feeding the first gas phase obtained in the step 1) into a recovery rectifying tower to obtain a second gas phase and crude propionic acid, and condensing the second gas phase to obtain acetic acid; 3, the crude propionic acid obtained in the step 2 passes through a resin tower, trace impurity metal ions are removed, and then the feed-grade propionic acid product is obtained.The method is simple in technological process, low in energy consumption and capable of running continuously, the content of the recycled propionic acid is larger than or equal to 99.5%, and the concentration of the impurity metal ions reaches the feed-grade standard.

The vaporizer includes a tube element defining an inner volume for receiving an amount of liquid aerosol-forming substrate, a mesh in the inner volume of the tube element, and a heater outside, the heater including an electrical resistive heater, and the heater is configured to heat the mesh and the received amount of liquid aerosol-forming substrate to a temperature sufficient to volatilize at least a part of the received amount of liquid aerosol-forming substrate.

The utility model discloses a polycrystalline silicon reduction feeding system which comprises two sets of feeding systems arranged in parallel, liquid outlets of two trichlorosilane buffer tanks of the two sets of feeding systems are communicated through a buffer tank communication pipeline, and a buffer tank communication valve is arranged on the buffer tank communication pipeline; gas outlets of the two vaporizers of the two feeding systems are communicated through a vaporizer communicating pipeline, and a vaporizer communicating valve is arranged on the vaporizer communicating pipeline; outlets of the two superheaters of the two feeding systems are communicated through a superheater communication pipeline, and a superheater communication valve is arranged on the superheater communication pipeline. The feeding system has the advantages that the two original independent feeding systems are communicated, when one feeding system breaks down or needs to be overhauled, the other feeding system can be rapidly switched to supply materials to the whole production line, material communication between the feeding systems on the two sides is achieved, continuous production can be guaranteed, and the production efficiency is improved. The stop frequency caused by equipment faults is effectively reduced, and the stability and continuity of production are greatly improved.

The invention relates to a process for obtaining isobutene from an isobutene containing C4-hydrocarbon mixture (1) in a plant comprising an etherification unit (3), a first distillation unit (5), an ether cleavage unit (10) and a second distillation unit (12), the process comprising: (a) contacting the C4-hydrocarbon mixture (1) with a primary alcohol (2) and reacting the mixture with the primary alcohol in the presence of an acidic catalyst to form the corresponding alkyl tert-butyl ether in the etherification unit (3); (b) distilling the reaction mixture (4) from the etherification unit (3) in the first distillation unit (5), a C4-hydrocarbon raffinate being withdrawn as the overhead product (6), and the alkyl tert-butyl ether being withdrawn as the bottom product (7); (c) vaporizing the bottom product from the first distillation unit (5) in an evaporator (8) obtaining a vapor stream (9); (d) reacting the vapor stream (9) of step (c) in the presence of an acidic catalyst obtaining isobutene and the primary alcohol as reaction products in the ether cleavage unit (10); (e) distilling the reaction mixture (11) from the ether cleavage unit (10) in the second distillation unit (12), isobutene being withdrawn as the overhead product (13), the primary alcohol and diisobutene being withdrawn as the bottom product (14) and being recycled to the etherification unit (3); wherein a purge stream (15) containing high boiling components with a normal boiling point higher than that of the alkyl tert-butyl ether is withdrawn from the evaporator (8) in step (c).

This utility model discloses a ternary precursor material mother liquor ammonia removal treatment system, including an ammonia removal tower, a falling film evaporator, a dilute ammonia water tank, a condenser, and an ammonia water storage tank. The top of the ammonia removal tower is connected to the shell side of the falling film evaporator section via an ammonia gas outlet pipe, and the bottom of the ammonia removal tower is connected to the gas-liquid separation section via a liquid outlet pipe. The shell side of the falling film evaporator section is connected to the cooling inlet end of the condenser via an ammonia gas outlet pipe, and the cooling outlet end of the condenser is connected to the ammonia water storage tank. A dilute ammonia water inlet pipe and a reflux pipe are connected between the shell side of the falling film evaporator section and the top of the dilute ammonia water tank. A liquid outlet pipe is connected to the gas-liquid separation section. A reflux pipe and a falling film circulation pump are connected between the liquid outlet pipe and the top of the tube side of the falling film evaporator section. A vapor compression unit is provided between the gas-liquid separation section and the ammonia removal tower. This utility model has the advantages of reducing the amount of vapor used in the ammonia removal tower, reducing energy consumption, achieving good ammonia removal effect from the mother liquor, achieving good ammonia water recovery effect, low system operating cost, and stable and reliable operation.

The present invention relates to an ion source, and the subject of the present invention is to perform continuous vapor supply from a vaporizer to a plasma generation chamber regardless of the operating state of the ion source. An ion source (IS) is provided with: a gasifier (1) having a nozzle (3); and a plasma generation chamber (14) to which vapor is supplied, the vapor being supplied from the vaporizer (1) through the nozzle (3). The nozzle (3) is disposed outside the plasma generation chamber (14), the plasma generation chamber (14) has a first wall (14a) and a second wall (14b) facing each other, the second wall (14b) has a first portion (14b1) and a second portion (14b2) at different positions in the facing direction of the first wall (14a) and the second wall (14b), and a third portion (14b3) between the first portion (14b1) and the second portion (14b2). The second portion (14b2) or the third portion (14b3) has an opening (H) for supplying vapor from the vaporizer (1) to the plasma generation chamber (14).

The invention relates to the technical field of industrial wastewater treatment, in particular to a treatment method for treating high-sulfonic-group wastewater by advanced oxidation, which comprises the following steps: regulating the pH value of the wastewater to 3.0-4.0, then carrying out photo-Fenton oxidation, controlling the molar ratio of H2O2 to Fe < 2 + > to be 300: 1-400: 1, regulating the pH value of the effluent to 5.0-6.0, adding sodium sulfite to quench residual H2O2 and flocculate and precipitate iron mud, and finally, carrying out secondary oxidation on the wastewater to obtain the high-sulfonic-group wastewater. Performing anaerobic-aerobic biochemical treatment on the supernate, adding sodium carbonate and sodium hydroxide into biochemical effluent to soften and descale, concentrating in a mechanical vapor recompression evaporator, washing and recrystallizing crystallized mother liquor, and adsorbing and purifying the crystallized mother liquor with activated carbon to obtain an industrial salt product. The problem of MVR evaporation scaling is effectively solved by accurately controlling the neutralization pH and combining the softening step, finally, wastewater standard treatment and salt high-quality recovery are achieved, the COD removal rate can reach 95% or above, and excellent environmental and economic benefits are achieved.

The vaporizer heating element assembly includes a case structure with multiple walls collectively defining a case interior. The upper wall has an access opening, the left side wall has a reservoir window, and the lower wall has a vaporization window. A thin plate heating element formed from a conductive material is positioned within the case structure parallel to the lower wall and adjacent to the vaporization window. The liquid transport structure is configured to transport liquid from the liquid inlet surface to the liquid outlet surface by capillary action and is disposed within the case interior such that the liquid inlet surface is adjacent to the reservoir window and the liquid outlet surface is adjacent to or in contact with the thin plate heating element. The heating element assembly also includes an access closure sized and configured to seal the access opening.

The pressurization system comprises a liquid outlet pipeline, a vaporizer, a buffer tank and a heat exchange loop, the liquid outlet pipeline is communicated to a low-temperature container, the vaporizer and the buffer tank are both communicated to the liquid outlet pipeline, and the buffer tank is located on the downstream of the vaporizer, so that the buffer tank can store gaseous media heated and vaporized by the vaporizer. The heat exchange loop is communicated to the buffer tank and is communicated with a circulating pump and a heat exchange device, the circulating pump can drive a gaseous medium in the buffer tank to flow along the heat exchange loop, the heat exchange device is connected to the low-temperature container, and the gaseous medium can conduct heat exchange on the low-temperature container through the heat exchange device; the heat carried by the gaseous medium is transferred into the low-temperature container, and the liquid medium in the low-temperature container absorbs heat and is vaporized, so that the volume of the medium in the low-temperature container is increased, the pressure in the low-temperature container is improved, the low-temperature container can be quickly pressurized when being at a low liquid level, and liquid supply or gas supply of the low-temperature container is facilitated.

Vaporizer cartridges for vaporizer devices are disclosed herein. In one exemplary implementation, the cartridge can include a reservoir configured to hold a vaporizable material and one or more films substantially aligned with the reservoir. A wicking element in communication with the reservoir and with the heater is configured to draw the vaporizable material through an opening in the one or more films toward the heater for vaporization. Vaporizer devices are also disclosed herein.

The invention discloses a liquid oxygen circulation supercooling system, and relates to the technical field of liquid oxygen storage management, liquid oxygen is stored in a liquid oxygen storage tank, the liquid oxygen enters a self-pressurization vaporizer from a vaporization liquid inlet pipe to be vaporized, oxygen generated by vaporization enters the liquid oxygen storage tank from a vaporization steam exhaust pipe, so that the pressure in the liquid oxygen storage tank is increased, and the liquid oxygen is discharged into a pipe needing to be cooled after being increased; the supercooling process is realized when the liquid oxygen in the pipe needing to be cooled flows through the cooler, and the liquid oxygen flows back to the liquid oxygen storage tank again after being supercooled; the device is applied before a launching task starts, liquid oxygen in the liquid oxygen storage tank is supercooled through continuous liquid oxygen circulating flow, compared with supercooling when liquid oxygen is injected into a rocket, supercooling is conducted in advance in the storage stage, injection peak flow does not need to be matched, the size of the device is smaller, and the manufacturing cost is lower.

Sedation device. The sedation device includes: a housing; the housing having a ventilator chamber and a juxtaposed vaporizer chamber; a filter installed between the ventilator chamber and the vaporizer chamber, forming a common breathable partition wall; the ventilator chamber having an inlet; the vaporizer chamber having an outlet for connection to a patient's breathing tube; and an vaporizer installed within the vaporizer chamber, wherein the inlet is positioned to guide air through the surface of the filter in the ventilator chamber and has an air guide ramp angled relative to the inlet and flared outward away from the inlet to guide incoming air inward from the inlet toward the filter and outward from the inlet through the surface of the filter; an elongated air distribution fin is installed on the outer wall of the ventilator chamber, aligned with the inlet at the inner end of the air guide ramp and extending away from the air guide ramp; the air distribution fin is perpendicular to the outer wall and located at the center of the outer wall, aligned with the inlet; the air distribution fin has a sharp leading edge facing the inlet.

Provided herein are a vaporizer and an aerosol generation device including the same. The vaporizer according to some embodiments of the present disclosure includes a porous wick configured to absorb an aerosol-generating substrate in a liquid state through a porous body, and a heating element which includes a heating pattern having a planar form that is embedded in the porous body and which is configured to heat the absorbed aerosol-generating substrate by the heating pattern to generate an aerosol. Since the heating pattern is embedded at a predetermined depth from a surface of the porous body, the amount of generated aerosol may be increased, and the risk of damage to the wick and the carbonization phenomenon may be reduced.

The utility model belongs to acetamide preparation device technical field, concretely is a kind of for the vaporizer of acetamide preparation, including shell, shell includes heat preservation shell, the right side surface of heat preservation shell is fixedly connected with first connecting block, the right side surface of heat preservation shell is movably connected with connecting shell, the surface of connecting shell is equipped with first through-hole, first connecting block extends to the right side of connecting shell through first through-hole, the surface of first connecting block is equipped with third through-hole, the right side surface of connecting shell is installed with fixed mechanism, fixed mechanism includes connecting plate, the left side surface of connecting plate is fixedly connected with the right side surface of connecting shell, the left side surface of connecting plate is fixedly connected with electric telescopic handle, the telescopic end of electric telescopic handle is fixedly connected with second connecting block, the surface of second connecting block is movably connected with connecting hook.The utility model is easy to disassemble shell to replace internal element, to reduce production cost.

The utility model discloses an efficient heat exchange structure of an LNG (liquefied natural gas) vaporizer, which relates to the technical field of LNG vaporizers and comprises a heat exchange box, a feed pipe and a discharge pipe are respectively fixed on two sides of the top end of the heat exchange box, a first water inlet pipe and a first water outlet pipe are respectively fixed on two side walls of the heat exchange box, and a heat exchange coil pipe is arranged in the heat exchange box. A feeding port and a discharging port of the heat exchange coil pipe are in sealed butt joint with the bottom end of the feeding pipe and the bottom end of the discharging pipe through detachable butt joint mechanisms correspondingly. The feeding port and the discharging port in the two sides of the heat exchange coil pipe are fixed to the bottom end of the feeding pipe and the bottom end of the discharging pipe in a butt joint mode through the detachable butt joint mechanism, so that compared with a traditional bolt fixing mode, the heat exchange coil pipe is convenient to disassemble, assemble, replace, overhaul and maintain and convenient to use, the heat exchange bent pipe is arranged in the heat exchange coil pipe, and the heat exchange efficiency is improved. And the heat exchange box is matched to conduct dual heat exchange on the liquefied natural gas in the heat exchange coil pipe, the heat exchange efficiency of the liquefied natural gas can be effectively improved, and high practicability is achieved.

1. The name of the design product: smoke vaporizer (G03). 2. The use of the design product: for electronic cigarettes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of chemical engineering, and particularly discloses a vaporizer used in a refining process, which comprises a vaporization container for storing carbon tetrachloride; a plurality of circles of annular access holes are formed in the vaporization container in a penetrating manner; the outer surface of the vaporization container is communicated with the annular access hole and is hermetically and fixedly connected with a plurality of semicircular pipes; a plurality of semicircular pipes are sealed on the outer surface of the vaporization container and are hermetically and fixedly connected with a heat preservation cover; the vaporizing container and the semicircular pipe are communicated through the multiple circles of annular inlet and outlet holes, so that the contact area between the vaporizing container and the outside is increased, the vaporizing container can be heated more rapidly through a heat tracing band, and hot water can be injected into the heat preservation cover to heat the vaporizing container and the semicircular pipe; and the bottom of the vaporization container can be heated in a water bath heating mode, so that the heating modes are diversified, the contact area of the vaporization container is enlarged through the semicircular pipe, the heating efficiency is improved, the heating modes are multiple, and heat supply modes of different users are adapted.

The utility model discloses a vaporizer with a large circulation process, which relates to the technical field of vaporizers and is characterized in that when the vaporizer is used, a high-temperature medium is filled into a tank body, then low-temperature liquid is input from a liquid inlet, the low-temperature liquid medium passes through a heat exchange pipeline for heat exchange, and gas after heat exchange is output from a gas outlet; due to the fact that the straight pipes are sequentially connected in the spiral shape, the heat exchange path of low-temperature media is prolonged, the flexibility of the bent pipes connected with the low-temperature part is greatly improved, and the bent pipes are not prone to cracking. And the flow can enable the low-temperature medium to fully exchange heat with external hot air to the maximum extent, so that a better heat exchange effect is achieved. And the low-temperature medium sequentially flows into the straight pipes on the two sides, so that the temperature of the low-temperature medium in the straight pipe on the outermost side is the lowest, the freezing conditions of the straight pipe on the outermost side are close, namely the weights of the two sides of the tank body are roughly the same, the gravity center of the tank body cannot be changed, and the stability of the tank body is favorably maintained.

The utility model provides a fresh bamboo juice extraction device which comprises an extraction box, a water storage tank is arranged on the ground on the outer side of the extraction box, a water outlet pipe of the water storage tank is connected with an evaporator, an auxiliary material pipe is arranged on the evaporator, and an outlet of the auxiliary material pipe is connected with an inner cavity of the extraction box; a negative pressure pump is arranged on the ground on one side of the water storage tank, a negative pressure pipe is connected to the negative pressure pump, and an outlet of the negative pressure pipe is connected with an inner cavity of the extraction tank; fans are installed on the side walls of the two sides of an inner cavity of the extraction box, heating pipes are installed on the outer sides of air outlets of the fans, and a liquid outlet is formed in one end of the bottom of the extraction box and connected with an external liquid collecting pipe; a condenser pipe is arranged at the bottom of the inner cavity of the extraction box, and a condenser is arranged on the ground on the other side of the water storage box and is connected with the condenser pipe. After the scheme is adopted, the structure is reasonable, the evaporation extraction effect is good, and the efficiency is high.

This utility model belongs to the technical field of MVR evaporators, specifically relating to an MVR evaporation crystallization device. It includes: a forced circulation system, a hydrocyclone, a thickener, and a centrifuge. In the forced circulation system, material sequentially enters a first heater, a circulation pump, a second heater, and a separator through circulation pipes, then returns to the first heater, forming a cycle. The circulation pipes are connected to a feed pump and a discharge pump. The hydrocyclone inlet is connected to the output end of the discharge pump. The hydrocyclone overflow outlet and underflow outlet are respectively connected to a mother liquor tank and a thickener. The thickener's clear liquid overflow outlet and crystal slurry outlet are respectively connected to the mother liquor tank and the centrifuge. The centrifuge's liquid outlet and solid outlet are connected to the mother liquor tank and the outside environment. This utility model achieves equipment compactness through skid-mounted integrated design and process optimization; by using the hydrocyclone for low-concentration material intake, the thickener does not require a large buffer space, further saving space.

Vapor deposition precursor recovery systems and methods are provided. Methods and systems include a precursor container housing a precursor material and a carrier gas container housing a carrier gas. Systems and methods include a condenser assembly having a condenser in fluid connection with an exhaust line, a recycled precursor container, and a cooling circuit. Systems and methods include a vaporizer having one or more inlets in fluid connection with the precursor container and the carrier gas container, and an outlet in fluid connection with a gas distributor and the condenser assembly. Systems and methods include where the condenser is maintained at an internal temperature of greater than or about 10° C. below a boiling point of the precursor material and greater than or about 10° C. above a boiling point of the carrier gas.

Ready-to-vape precision pods and formulations thereof for harm reduction products particularly to assist smokers to quit tobacco products altogether or to switch to a less harmful product such as e-cigarettes or a tobacco heating product.

The utility model discloses a kind of medicine liquid extraction concentration unit, it is related to medicine liquid production technical field, mainly solve the problem of increasing cost caused by the multiple pump delivery of existing equipment. Unit includes extraction tank, output pump, concentration evaporator, ceramic membrane filter, high tank, resin purification unit and receiving tank. The import of output pump is connected with extraction tank export, and export is communicated with three paths by valve branch, first path, into concentration evaporator by ceramic membrane filter, and natural circulation concentrated medicine liquid is formed by heater, and solvent is liquefied recovery by condensing recovery ware after steam vaporization recovery;Second path, medicine liquid input high tank, after purification by gravity into resin purification unit, into receiving tank again, and by output pump back to concentration path;Third path, after medicine liquid input alcohol precipitation tank and precipitate impurities, by output pump and back to concentration path. Through single pump multiway shunt design, integration concentration, resin purification and alcohol precipitation process, reduce the number of pump, significantly reduce equipment cost.

The utility model relates to the technical field of evaporators, and discloses a steam washing device for an MVR evaporator, which comprises a liquid distribution plate, the liquid distribution plate is arranged above tubes in the MVR evaporator, liquid distribution holes are arranged on the liquid distribution plate, the liquid distribution holes correspond to the tubes on a pore plate in position, a washing pipe is arranged above the liquid distribution plate, and the washing pipe is communicated with the liquid distribution plate. And the flushing pipe is used for conveying steam to the position above the liquid distribution plate. According to the scheme, drinking water is shunted through the liquid distribution plate and the liquid distribution holes, and the shunted drinking water enters the corresponding tube nest, so that the drinking water is uniformly distributed in the tube nest, and the cleaning effect of residual liquid medicine in the tube nest is better; residual liquid medicine in the tube nests is further cleaned through steam, and the cleaning effect of the tube nests is guaranteed.

The vaporizer comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a vaporizer body, and the left surface of the vaporizer body is fixedly connected with a feeding pipe connector, a heat removal opening, a gas outlet pipe connector and a concave heat preservation shell. The ends, away from the vaporizer body, of the feeding pipe connector, the heat removal opening and the gas outlet pipe connector penetrate into the concave heat preservation shell, the concave heat preservation shell is composed of two transverse heat preservation shell bodies and a longitudinal heat preservation shell body, and openings and sealing assemblies are formed in the front surfaces of the transverse heat preservation shell bodies and the left surface of the longitudinal heat preservation shell body correspondingly. The left surface of the transverse heat preservation shell is fixedly connected with a corrugated heat preservation sleeve, the left end of the corrugated heat preservation sleeve is fixedly connected with a conical sealing sleeve, and the inner wall of the conical sealing sleeve makes close contact with the surface of the guide pipe. Through the structure, the influence of the feeding pipe and the air outlet pipe of the vaporizer on the working effect of the vaporizer is reduced, and the compactness of the pipeline is improved.