CN212357159U - High temperature dusty gas scrubbing cooling device and gasifier - Google Patents
High temperature dusty gas scrubbing cooling device and gasifier Download PDFInfo
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- CN212357159U CN212357159U CN202021292602.6U CN202021292602U CN212357159U CN 212357159 U CN212357159 U CN 212357159U CN 202021292602 U CN202021292602 U CN 202021292602U CN 212357159 U CN212357159 U CN 212357159U
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Abstract
本实用新型公开了一种高温含尘气体洗涤冷却装置和气化炉，该装置包括壳体、洗涤冷却管、鼓泡液池，壳体顶部开设有一气体入口，洗涤冷却管与气体入口连通并延伸至鼓泡液池内，洗涤冷却管的上端设有一洗涤冷却水分布器件，洗涤冷却水分布器件与壳体侧壁上的洗涤冷却水入口连通；壳体的上部侧壁上设有2个以上气体出口，气体出口处设有气体折流挡板，鼓泡液池中设有气泡分割器。本实用新型的洗涤冷却装置，能适应合成气量大、合成气带灰的超大型煤气化装置，可实现出口合成气流量在线调控，显著减轻气体出口积灰堵塞、流场分布不均、出口管线结垢、磨损等问题，对保障大型气化装置长周期、安全稳定运行作用显著。
The utility model discloses a high-temperature dust-laden gas washing and cooling device and a gasifier. The device comprises a shell, a washing and cooling pipe, and a bubbling liquid pool. A gas inlet is provided at the top of the shell, and the washing and cooling pipe is communicated with the gas inlet and extends In the bubbling liquid pool, the upper end of the washing cooling pipe is provided with a washing cooling water distribution device, and the washing cooling water distribution device is communicated with the washing cooling water inlet on the side wall of the shell; the upper side wall of the shell is provided with more than 2 gas The gas outlet is provided with a gas baffle plate, and a bubble divider is provided in the bubbling liquid pool. The washing and cooling device of the utility model can be adapted to a super-large coal gasification device with a large amount of synthesis gas and ash in the synthesis gas, can realize on-line control of the flow rate of the synthesis gas at the outlet, and significantly reduce the clogging of the gas outlet, the uneven distribution of the flow field, and the outlet pipeline. Problems such as scaling and wear play a significant role in ensuring long-term, safe and stable operation of large-scale gasification units.
Description
Technical Field
The utility model relates to a synthetic gas among the gasification technology washes cooling purification subassembly, in particular to high temperature dirty gas washing cooling device and gasifier.
Background
The entrained flow gasification technology is a coal gasification technology, pulverized coal is used as a raw material and is sprayed into a gasification furnace together with a gasification agent, the reaction temperature is very high, ash content is discharged in a molten state, and the entrained flow gasification technology has good application prospects in the fields of ammonia synthesis, methanol preparation, Integrated Gasification Combined Cycle (IGCC) power generation, urban gas and the like. At present, the chilling type entrained flow coal gasification technology is the most widely applied and mature technology for treating high-temperature gas in the gasification field.
In the chilling entrained flow coal gasification technology, a washing cooling chamber plays an important role as a washing cooling device of high-temperature synthesis gas, the high-temperature gas discharged by a gasification furnace is cooled and humidified, and most of ash residues are removed to meet the requirements of a subsequent working section. For example, a multi-nozzle opposed coal water slurry gasification furnace washing and cooling device adopts a composite bubbling bed combining spraying and annular space bubbling, gas and solid slag after chilling and cooling enter a liquid pool of the washing and cooling device along a descending pipe, a top immersion and annular space bubbling mode is adopted, gas phase is injected into a static liquid phase medium from a nozzle submerged in a liquid phase and is in an ascending motion mode in an annular space structure, the gas is suddenly expanded and flows in a large pipe diameter by negative buoyancy, gas washing and purification and gas-liquid-solid three-phase separation are completed in the process of passing through the liquid pool, and in the washing and cooling device, crude synthesis gas carrying molten ash is chilled to 200-300 ℃ from 1200-1650 ℃. With the increase of coal gasification, the synthetic gas amount is increased, the acid gas is increased, the black water entrainment of the gasification furnace is increased, and the washing and purifying requirements of the washing and cooling device are higher and higher.
From the above, the working environment in the washing and cooling device involves the fluid flow and heat and mass transfer process of high temperature and high pressure and gas-liquid-solid three-phase complex system. The existing chilling process coal gasification device adopts a single outlet for the washing and cooling device, but along with the large-scale gasification chamber and the improvement of the operation load, the gas amount of the crude synthesis gas entering the washing and cooling device is larger, more slag-containing liquid drops and fine ash can be carried, and serious problems of blockage, scouring and the like caused by the deposition of ash at a synthesis gas outlet pipeline and a mixer can be caused; in addition, for the single-outlet washing and cooling device, when the synthesis gas leaves from the washing and cooling device, the gas velocity is too fast, so that great disturbance is generated on the gas-liquid-solid three-phase transfer process in the bed layer, and the problems of unstable liquid level, too high pressure difference, uneven flow field distribution and the like in the gasification furnace can be caused. The above severe working conditions all affect the normal operation of the washing and cooling device, and further affect the long-period, safe and stable operation of the chilling process entrained flow gasification furnace.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome among the prior art under gasifier maximization and the high load operating condition, export pipeline and blender department gas that the abominable operating mode such as synthetic gas area hosepipe ash brought of synthetic gas increase erode, easy deposition blocks up, and the defect that flow field distributes inequality, liquid level is unstable in the washing cooling device provides a high temperature dusty gas washing cooling device and gasifier.
The utility model discloses a set up a plurality of gas outlets and a plurality of baffling baffle in washing cooling device, realize increasing the back at washing cooling device load, export gas flow can be regulated and control to reduce the influence, the export pipeline gas that flow field stability in the bed layer erodes and the jam that the ash caused is taken to the deposition, guarantee chilling flow air current bed gasifier long period, the operation of safety and stability simultaneously.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a high-temperature dust-containing gas washing and cooling device comprises a shell and a washing and cooling pipe, wherein the washing and cooling pipe is positioned in the shell, the lower part of the shell is enclosed to form a bubbling liquid pool, the top of the shell is provided with a gas inlet, the washing and cooling pipe is communicated with the gas inlet and extends into the bubbling liquid pool from top to bottom, the upper end of the washing and cooling pipe is provided with a washing and cooling water distributor, the side wall of the shell is provided with one or more washing and cooling water inlets, and the washing and cooling water distributor is communicated with the washing and cooling water inlets; a bubble divider is arranged in an annular space between the shell and the washing cooling pipe and is used for dividing bubbles in the bubbling liquid pool; the gas outlet is provided with more than 2 gas outlets, the gas outlets are provided with gas baffle plates, and the tops of the gas baffle plates are higher than the gas outlets.
Preferably, the number of the gas outlets is 2-4.
Preferably, the lower part of the gas baffle is provided with a strip-shaped or hole-shaped liquid guide channel for guiding liquid drops and fly ash carried by the gas with super-large flux.
Preferably, a black water outlet is arranged outside the side wall of the shell at the position of the bubbling liquid pool, and an ash separating baffle is arranged on the inner side wall of the shell corresponding to the black water outlet, so as to reduce solid ash particles in the slag-containing black water leaving the washing and cooling device and improve the water quality in the gasification furnace.
Preferably, the housing is provided with 4-8 washing cooling water inlets.
Preferably, the washing cooling water distribution device is a washing cooling water distribution ring, a plurality of annular slots are formed in the lower side of the washing cooling water distribution ring and used for forming an annular liquid film in the washing cooling pipe, and a plurality of central jet holes are further formed in the inner wall, close to the central axis of the washing cooling water distribution ring, and used for spraying out central spray water.
Preferably, the length of the washing cooling pipe is 0.2 m-10 m.
Preferably, the outlet of the washing cooling pipe is further provided with a flow guide pipe, the gas carrying ash and slag and the water of the vertical falling film from the washing cooling water distribution ring and the central spray water are discharged from the lower ends of the flow guide pipe and the washing cooling pipe into the bubbling liquid pool, and the number of the flow guide pipes is more than 2, more preferably 2-8, and most preferably 4.
Preferably, a static slag breaker is further arranged in the bubbling liquid pool and below the washing cooling pipe, and the washing cooling water distribution device, the washing cooling pipe and the static slag breaker are coaxially arranged; the static slag breaker is a circular table with a fixed grid at the upper part.
Preferably, the arrangement mode of the bubble dividers is a layered stacking mode; the number of layers in the layered stacking mode is preferably 2-5, more preferably 3-4; the bubble divider is in a sawtooth shape or a grid shape with a downward pointed end. In order to facilitate maintenance, the arrangement of the bubble dividers can also be in a combined module form; the contact part of the lower end of the bubble divider and the bubbles is in a sawtooth shape or a grid shape.
Preferably, the height-diameter ratio of the bubbling liquid pool is H/D (0.5-5), wherein D represents the equivalent diameter of the bubbling liquid pool, and H represents the height of the bubbling liquid pool.
Preferably, the material of the shell is selected from conventional materials suitable for high-temperature and high-pressure environments in the field, and preferably can be 11/4 Cr-1/2Mo (SA387Gr11Cl2) overlay welding AISI316L (corresponding to domestic CoCr17Ni13Mo2) or composite 316L, the material of the washing and cooling water distribution device is Incoloy825, and the washing and cooling pipe material is selected from Incoloy825 or a combination of Incoloy825 and carbon steel/stainless steel.
Preferably, the washing cooling water distribution device is connected with the washing cooling pipe through a connecting plate, and the material of the connecting plate is Incoloy 825; more preferably, the connecting plate is a flange.
The utility model also provides a gasifier, it contains above-mentioned high temperature dirty gas washing cooling device.
The utility model discloses an actively advance the effect and lie in:
1) compared with the washing and cooling device which is used in industry at present, the washing and cooling device of the utility model can be more suitable for the ultra-large coal gasification device which has the characteristics of large synthesis gas amount, large acid gas amount, ash in the synthesis gas and the like, and reduces the scouring, blocking and abrasion of a gas outlet pipeline and a mixer; the method has the advantages of more uniform flow of fluid in the bed layer, more stable bed layer and contribution to stable industrial operation, and can be widely applied to the entrained flow gasification chilling process flow taking hydrocarbon-containing substances as raw materials.
2) The utility model discloses a set up a plurality of gas outlets to reduce the synthetic gas export gas velocity of flow. When gasifier treatment load further improves, when handling 4000 tons of grades and above coal volume like the day, the synthetic gas volume that the gasification produced is showing and is increasing, if still set up an export, when the synthetic gas left from washing cooling device, the gas velocity can produce very big disturbance to the solid three-phase transfer process of bed intraformational gas-liquid at the excessive speed, causes the flow field unstable, the pipeline wearing and tearing aggravation, export gas changes smugglies ash and slag and liquid drop scheduling problem secretly, adopts the utility model discloses set up a plurality of exports, can regulate and control the gas flow of different export pipelines on line, solve above-mentioned a great deal of problem, and make in the washing cooling device flow field distribute more evenly, liquid pool bed height is more stable. Meanwhile, the bubble divider is arranged to weaken the coalescence of bubbles in the water bath, reduce the size of the formed bubbles, further increase the stability of the liquid level in the bed layer and improve the heat and mass transfer efficiency.
3) The ultra-large flux gas can carry more liquid drops and fly ash, the baffling baffles are arranged at the gas outlets to block a small amount of liquid drops and ash slag carried by the synthetic gas, the outflow path of the synthetic gas is changed to further enhance the gas-liquid separation efficiency, the problems of blockage and abrasion of the synthetic gas carrying liquid and ash slag and the liquid drops and ash slag carried by the gas to a pipeline under large synthetic gas quantity are reduced, and the treatment load of the subsequent gas dust removal and purification process is reduced; in addition, the size of the gas baffle plate can be changed to serve as a similar small resistance component, so that the gas flow regulation of a plurality of outlets can be realized, and the washing load of subsequent gas can be regulated and controlled on line.
4) The utility model discloses still through setting up the perpendicular striking of static broken sediment ware, broken sediment piece can reduce coarse slag particle size, does benefit to row sediment.
5) The utility model discloses still through set up lime-ash separation baffle in black water exit to reduce the solid lime-ash granule that contains sediment black water that leaves washing cooling device, make the washing effect better, improve quality of water in the gasifier, can show and alleviate black water pipeline scale deposit, wearing and tearing, long period, the safety and stability operation effect to ensureing large-scale gasification equipment are showing.
Drawings
FIG. 1 is a schematic view of a high temperature dust-containing gas scrubbing and cooling apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a top view and a cross-sectional view taken along the plane A-A of the gas outlet of the baffle according to a preferred embodiment of the present invention;
FIG. 3 is a side view and a top view of a black water outlet of a ash carrying separating baffle according to a preferred embodiment of the present invention;
fig. 4 is a top view of a static slag breaker according to a preferred embodiment of the present invention.
Description of reference numerals:
1-shell, 2-washing cooling pipe, 3-washing cooling water distribution ring, 4-washing cooling water inlet, 5-gas outlet, 6-gas baffling baffle, 7-gas inlet, 8-bubble divider, 9-draft tube, 10-static slag breaker 11-bubbling liquid pool 12-black water outlet 13-ash separation baffle 14-slag discharge outlet 15-vertical plate 16-annular plate
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions. It should be noted that the terms "connected," "connected," and "communicating" are used broadly and can be, for example, a fixed connection, a detachable connection, an integral connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two components. The meaning of the above terms in the present invention can be understood in a concrete manner to those skilled in the art.
As shown in fig. 1, the high-temperature dusty gas washing and cooling device in this embodiment includes a housing 1, a gas inlet 7, a washing and cooling water distribution ring 3, a washing and cooling pipe 2, a static slag breaker 10, a bubbling liquid pool 11, a black water outlet 12, and a slag discharge outlet 14. The washing cooling pipe 2 is positioned in the shell 1, and the lower part of the shell 1 is enclosed to form a bubbling liquid pool 11. The inner diameter of the shell 1 is 4200mm, and the effective height is 12000 mm; the inner diameter of the washing cooling pipe 2 is 1500mm, and the height is 8000 mm. The top of the shell 1 is provided with a gas inlet 7, and the washing cooling pipe 2 is communicated with the gas inlet 7 and extends into the bubbling liquid pool 11 from top to bottom. 4-8 washing cooling water inlets 4 are formed in the side wall of the shell 1, a washing cooling water distribution ring 3 is fixed at a gas inlet 7 and is communicated with the washing cooling water inlets 4, a plurality of annular slots are formed in the lower side of the washing cooling water distribution ring 3 and are used for forming an annular liquid film in the washing cooling pipe 2, and a plurality of central jet holes are further formed in the inner wall, close to the central axis of the washing cooling water distribution ring 3, and are used for jetting out central spray water; the upper end of the washing cooling pipe 2 is connected with a washing cooling water distribution ring 3 through a flange; the outlet of the washing cooling pipe 2 extends to the position below the liquid level of the bubbling liquid pool 11; 4 flow guide pipes 9 are also arranged at the outlet of the washing cooling pipe 2; a plurality of (for example, 2 to 4) gas outlets 5 are symmetrically arranged on the upper side wall of the shell 1, and as shown in fig. 2, a plurality of (for example, 2 to 4) gas baffle plates 6 are arranged inside the scrubbing and cooling device near the gas outlets 5, the gas baffle plates 6 are substantially L-shaped and are connected with the shell 1, the top of the gas baffle plates 6 is higher than the gas outlets 5, and strip-shaped liquid guide channels are arranged at the lower parts of the gas baffle plates 6 for guiding liquid drops and fly ash carried by the gas with ultra-large flux; the lower part of the washing and cooling device is provided with a static slag breaker 10, 4 layers of bubble dividers 8 (in a combined mode of stacking layers, the shape of the bubble divider 8 is a sawtooth shape with a downward pointed end or a grid shape) are arranged below the liquid level of the bubbling liquid pool 11, a black water outlet 12 is arranged outside the side wall of the shell 1 at the position of the bubbling liquid pool 11, and an ash-slag separating baffle 13 (shown in figure 3) is arranged on the inner side wall of the shell 1 corresponding to the black water outlet 12 so as to reduce solid ash-slag particles in the slag-containing black water leaving the washing and cooling device and improve the water quality in the gasifier. The lower part of the washing and cooling device is provided with a slag discharge outlet 14.
As shown in fig. 4, the static slag crusher 10 is a circular table with a fixed grid on the upper part, and includes a vertical plate 15 and a ring plate 16 which are uniformly distributed. The molten state ash from the gasification furnace is washed, cooled and quenched by water, and then is transformed and cracked into solid state ash with certain granularity. Wherein, the ash residue with small particle size passes through the grid space of the static slag breaker 10 and enters the lower part of the static slag breaker, most of the ash residue is settled or is taken as a lock bucket circulating water to be carried to the lock bucket, and a small amount of the ash residue enters the downstream working procedure along with black water. The ash slag with large particle size rolls downwards along the inclined plane (forming a 45-degree intersection angle with the water surface) of the grating of the static slag breaker 10 by means of gravity and the turbulence of water, and can be broken due to the turbulence of the water in the rolling process, so that the ash slag which is not broken is accumulated at the bottom of the static slag breaker 10 and is intercepted by the grating and is removed during maintenance.
The washing cooling water distribution ring 3, the washing cooling pipe 2 and the static slag breaker 10 are coaxially arranged.
The shell 1 is made of domestic CoCr17Ni13Mo2 suitable for high-temperature and high-pressure environments, the washing and cooling water distribution ring and the flange are made of Incoloy825, and the washing and cooling pipe is made of Incoloy825 or a combination of Incoloy825 and stainless steel.
The operation method of the washing and cooling device in the embodiment is as follows: the high-temperature synthetic gas with slag from the gasification chamber flows downwards along the washing and cooling pipe 2 through the gas inlet 7 and the washing and cooling water distribution ring 3, and is contacted with the washing and cooling water in the pipe to realize the primary cooling of the synthetic gas; washing cooling water enters a washing cooling water distribution ring 3 from 4-8 washing cooling water inlets 4 arranged on a shell 1, the flow speed of the washing cooling water at the outlets of washing cooling water distribution devices is 0.5-6 m/s, the average water speed at the outlets is 3m/s, the washing cooling water is distributed by the washing cooling water distribution ring 3 and then enters a washing cooling pipe 2 in a vertical falling film and spray shape, the washing cooling pipe 2 and flowing high-temperature dust-containing gas are subjected to a heat and mass simultaneous transfer process, the washing cooling pipe 2 is immersed in a bubbling liquid pool 11, the outlet of the washing cooling pipe 2 is positioned below the liquid level, a draft tube 9 is further arranged at the outlet, and synthetic gas is bubbled in the bubbling liquid pool 11 after exiting the washing cooling pipe 2 and is further cooled; the solidified ash formed by cooling, reducing and agglomerating the molten ash settles below the bubbling liquid pool 11 or on the static slag breaker 10, and larger ash is broken by the static slag breaker 10 to reduce the granularity of the ash and facilitate slag discharge; the bubble divider 8 is positioned below the liquid level and is used for breaking bubbles to form a bubbling bed for heat and mass transfer; a gas baffling baffle 6 is arranged at the gas outlet 5, the gas baffling baffle 6 is fixed on the inner side wall of the shell, a gap is reserved between the gas baffling baffle 6 and the gas outlet 5, the top of the gas baffling baffle 6 is higher than the gas outlet 5 and is used for blocking a small amount of liquid drops and ash slag carried by the synthetic gas and preventing the synthetic gas outlet pipeline and the mixer from being blocked by accumulated ash; the plurality of gas outlets 5 are symmetrically arranged at the upper part of the washing and cooling device, compared with a single gas outlet, an indoor flow field is more uniform, and meanwhile, the indoor pressure difference and the gas outflow speed are reduced, and the abrasion of the synthetic gas to an outlet pipeline is reduced; finally, the syngas flows through a plurality of symmetrically arranged gas outlets 5 into the next processing unit. A black water outlet 12 is arranged below the bubbling liquid pool 11, an ash separation baffle 13 is arranged in front of the outlet, washing cooling water is fully contacted with high-temperature gas from top to bottom, the washing and cooling process of the high-temperature dust-containing gas is completed, molten ash contained in high-temperature crude synthesis gas discharged from the gasification chamber is quenched under the action of the molten ash, a small part of ash with smaller particles is merged into the washing cooling water to form slag-containing black water, the slag-containing black water flows out of the black water outlet 12 to a subsequent slag-containing black water treatment process after the action of the ash separation baffle 13, and most of the ash is crushed by the static slag breaker 10 and then is discharged out of the gasification furnace through a slag discharge outlet 14 of the gasification furnace shell 1.
Take 4000 ton class coal water slurry entrained flow gasifier as an example in daily treatment, the pressure of the crude synthetic coal gas entering the gas washing and cooling device of the embodiment of the utility model is 6.5MPa, the temperature is 1300 ℃, and the coal gas flow is 361000Nm3H, dry gas containing H2＝35％，CO＝44％，CO2＝20％，N20.2% of CH4、Ar、H2S、COS、NH3HCl, HCN, HCOOH, etc., accounting for about 0.8%. The ash content in the crude synthetic gas entering the shell 1 is 65.0g/Nm based on the dry gas3(dry gas), i.e. ash, is carried in the raw synthesis gas at 16.8 tonnes/hour into the housing 1.
The high-temperature crude synthesis gas passes through a gas inlet 7 at the speed of 6.0m/s, enters a washing cooling pipe 2 after passing through a washing cooling water distribution ring 3, the temperature of cooling washing water is 247 ℃, and enters a shell 1 through 4 pieces of washing cooling waterThe flow of the washing cooling water entering the washing cooling water distribution ring 3 from the opening 4 is 750m3Per h, i.e. water addition of 1.4kg water/Nm3Gas and washing cooling water are sprayed out of the annular slot and the central jet hole in the washing cooling water distribution ring 3 at an average speed of 4m/s to cool the washing water distribution ring 3, a vertical falling film and a central jet flow are formed on the inner wall of the washing cooling pipe 2 to form spraying, so that the gas in the washing cooling pipe 2 is rapidly cooled and humidified, molten-state ash carried in the gas meets the primary cooling washing water and is quenched, solidified and infiltrated, part of the ash with smaller particle size is carried by gas phase (fly ash), and the rest enters the water phase to be mixed with the water.
The temperature of the coal gas after being cooled and humidified by spraying is about 500 ℃, ash, slag and spraying water are carried out to enter the bubbling liquid pool 11 from the lower ends of the guide pipe 9 and the washing and cooling pipe 2, under the action of the combined bubble divider 8, the crude synthesis gas is in full bubbling contact with the water in the bubbling liquid pool 11, and the temperature of rising gas leaving the free interface of the bubbling liquid pool is about 255 ℃. The gas flow rate at the gas outlet 5 is 8-15 m/s.
The gas carries a small amount of dropping liquid and most of small-particle-size ash slag with the particle size larger than 1mm to enter an upper gas-liquid separation space formed by the washing cooling pipe 2 and the shell 1, part of saturated water in the crude synthesis gas is condensed by taking fine ash carried in the saturated water as a core, the carried fly ash is wetted by the liquid drop group again to be agglomerated, and the separation from the gas is realized under the action of gravity. And quenched ash with the particle size larger than or equal to 1mm is intercepted and crushed by the grid space of the static slag breaker 10 and then falls into a liquid-solid settling area below the shell 1, wherein the ash settles under the action of gravity and enters a lock hopper below the gasification furnace through an opening of the lock hopper, and is periodically discharged out of the gasification furnace. The water (black water) after 330t/h (ton/h) washing the cooling gas is sent to downstream equipment from a black water outlet 12 through an ash separating baffle 13 for recycling and discharging. After 10 months of operation using the scrubbing and cooling unit of this example, there was essentially no visible wear at the gas outlet 5 and the black water outlet 12.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549475A (en) * | 2020-07-02 | 2021-10-26 | 华东理工大学 | High-temperature dust-containing gas washing and cooling device, gasification furnace and washing and cooling process |
| CN113617177A (en) * | 2021-08-04 | 2021-11-09 | 中国华能集团清洁能源技术研究院有限公司 | Cooling and washing device for hydrogen production by water electrolysis |
| US11857897B2 (en) | 2021-09-17 | 2024-01-02 | East China University Of Science And Technology | Gas cooling-scrubbing apparatus and method |
-
2020
- 2020-07-02 CN CN202021292602.6U patent/CN212357159U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549475A (en) * | 2020-07-02 | 2021-10-26 | 华东理工大学 | High-temperature dust-containing gas washing and cooling device, gasification furnace and washing and cooling process |
| CN113617177A (en) * | 2021-08-04 | 2021-11-09 | 中国华能集团清洁能源技术研究院有限公司 | Cooling and washing device for hydrogen production by water electrolysis |
| US11857897B2 (en) | 2021-09-17 | 2024-01-02 | East China University Of Science And Technology | Gas cooling-scrubbing apparatus and method |
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