CN214654708U - Coal gasification pyrolysis gas cooling washing device - Google Patents
Coal gasification pyrolysis gas cooling washing device Download PDFInfo
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- CN214654708U CN214654708U CN202121016783.4U CN202121016783U CN214654708U CN 214654708 U CN214654708 U CN 214654708U CN 202121016783 U CN202121016783 U CN 202121016783U CN 214654708 U CN214654708 U CN 214654708U
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 125
- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 238000002309 gasification Methods 0.000 title claims abstract description 52
- 238000005406 washing Methods 0.000 title claims abstract description 49
- 239000003245 coal Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000007921 spray Substances 0.000 claims abstract description 131
- 239000000498 cooling water Substances 0.000 claims abstract description 67
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000006200 vaporizer Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 description 110
- 238000005516 engineering process Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000010797 grey water Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model discloses a coal gasification high temperature pyrolysis gas cooling washing device, a serial communication port, include the pyrolysis gas passageway (4) that is used for flowing through high temperature pyrolysis gas with the gas outlet intercommunication of gasification chamber, set up in spray water annular space (3) of pyrolysis gas passageway (4) periphery, set up in outside cooling water annular space (2) of spray water annular space (3) periphery, be provided with hole for water spraying (5) on the inner wall of spray water annular space (3), spray water in spray water annular space (3) is used for spray cooling to pyrolysis gas passageway (4), outside cooling water in outside cooling water annular space (2) is used for cooling spray water annular space (3) and pyrolysis gas passageway (4). The coal gasification high-temperature pyrolysis gas cooling and washing device is simple in structure and can solve the problems of cooling of a high-temperature pyrolysis gas conveying pipeline and washing of pyrolysis gas at the same time.
Description
Technical Field
The utility model relates to a coal gasification technical field especially relates to a coal gasification high temperature pyrolysis gas cooling washing device.
Background
The cooling mode of the high-temperature synthesis gas comprises a chilling process and a waste boiler process, wherein the chilling process represents a Texaco gasification technology, a multi-nozzle gasification technology, an aerospace gasification technology and a second generation of a desublimate gasification technology; the waste boiler process is represented by Shell (Shell) gasification technology, a third generation furnace for clearing heat and the like; the relevant description is as follows:
the Texaco gasification technology corresponds to a Texaco gasification device, a chilling chamber of the Texaco gasification device is provided with a chilling ring, a down pipe and an up pipe, washing cooling water enters the chilling chamber in two ways, one way enters the chilling ring for 45-degree spraying and forms a water film along the down pipe, and the other way is directly sent into a water bath; the chilling ring nozzle cools the synthesis gas, and the downcomer water film is used for protecting the downcomer to avoid deformation of the downcomer caused by heat radiation of the high-temperature synthesis gas. Synthetic gas enters a chilling chamber through a slag port of the gasification furnace, is sprayed with water by a chilling ring, is chilled and then enters a water bath of the chilling chamber along a down pipe, is washed by the water bath of the chilling chamber, rises along a gap between the down pipe and an ascending pipe, and is discharged out of the chilling chamber of the gasification furnace.
In the four-nozzle gasification technology in the multi-nozzle gasification technology, a chilling ring, a descending pipe, a bubble breaking strip and other structures are arranged in a chilling chamber to form a composite washing and cooling structure combining a spray bed and a bubbling bed. Compared with a Texaco gasification technology chilling chamber, the structure of a rising pipe is omitted, and bubble breaking strips and the like are added.
The top of a gasification furnace of the Shell gasification technology is about 3.96MPa and 1500 ℃ high-temperature crude synthesis gas, the high-temperature crude synthesis gas is chilled to be below 900 ℃ by 209 ℃ chilling gas, enters a waste heat boiler to produce steam, and enters a ceramic filter dry-type ash removal and wet-type washing system after heat is recovered.
In the prior art, the mixer washing device for dust-containing gas comprises a synthesis gas pipe and a grey water pipe, wherein a water spray nozzle of the grey water pipe is communicated with the synthesis gas pipe, a sleeve pipe is arranged in the synthesis gas pipe, the water spray nozzle of the grey water pipe is opposite to an air inlet of the sleeve pipe, and a swirler is arranged at the position, close to the water spray nozzle, of the grey water pipe. The swirler is arranged near the water spray port of the grey water pipe, so that the swirler can realize the primary atomization of washing water, and the cooling washing device has long flow and complex structure; the pyrolysis gas ascending and discharging gasification furnace is difficult to select materials from high-temperature pyrolysis gas conveying pipelines.
Because high-temperature pyrolysis gas is discharged from the pyrolysis chamber from the upper part, the cyclone flow field in the pyrolysis chamber can ensure that pyrolysis semicoke is directionally conveyed due to the arrangement of the burner of the pyrolysis chamber, the dust content of the top pyrolysis gas is small, the traditional multistage washing (a chilling chamber, a Venturi and a washing tower) mode is not needed for washing, and the longer synthetic gas washing process of the traditional coal gasification technology is not needed.
In summary, how to provide a coal gasification high-temperature pyrolysis gas cooling and washing device to effectively solve the problems of cooling and washing of high-temperature pyrolysis gas at 800-.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal gasification pyrolysis gas cooling washing device, this coal gasification pyrolysis gas cooling washing device simple structure can solve high temperature pyrolysis gas pipeline cooling and pyrolysis gas washing problem simultaneously.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a coal gasification pyrolysis gas cooling washing device, includes the pyrolysis gas passageway that is used for flowing through high temperature pyrolysis gas with the gas outlet intercommunication of vaporizer, sets up in the spray water annular gap of pyrolysis gas passageway periphery, sets up in the external cooling water annular gap of spray water annular gap periphery, be provided with the hole for water spraying on the inner wall of spray water annular gap, spray water in the spray water annular gap is used for carrying out spray cooling to pyrolysis gas passageway, external cooling water in the external cooling water annular gap is used for cooling spray water annular gap and pyrolysis gas passageway.
Preferably, the pyrolysis gas channel comprises a necking section at the inlet of the high-temperature pyrolysis gas, a throat section of the middle section and a flaring section at the outlet.
Preferably, the angle of the converging section is greater than the angle of the diverging section.
Preferably, the blowholes are arranged on the throat section, and the number of the blowholes is multiple.
Preferably, the water spray holes are uniformly arranged.
Preferably, the ratio of the flow rate of the high-temperature pyrolysis gas to the flow rate of the spray water is less than 125.
Preferably, the flow velocity of the high-temperature pyrolysis gas in a throat pipe section is 40-60m/s, and the diameter of the water spray holes is 2-5 mm.
Preferably, the length of the throat section is greater than or equal to 2 times the diameter of the throat.
Preferably, the upper side of the outer shell of the external cooling water annular space is provided with a cooling water inlet, the lower side of the outer shell of the external cooling water annular space is provided with a cooling water outlet, the cooling water inlet is communicated with a cooling water inlet pipe, and the cooling water outlet is communicated with a cooling water outlet pipe;
the upside of the outer wall of the spray water annular space is provided with a spray water inlet, the downside is provided with a spray water outlet, the spray water inlet is communicated with a spray water inlet pipe, and the spray water outlet is communicated with a spray water outlet pipe.
Preferably, the outer wall of the spray water annular gap is the inner wall of the external cooling water annular gap, and the spray water inlet pipe and the spray water outlet pipe penetrate out of the outer shell of the external cooling water annular gap in a sealing mode.
The utility model provides a coal gasification high temperature pyrolysis gas cooling washing device, including pyrolysis gas passageway, spray water annular space, external cooling water annular space, pyrolysis gas passageway sets up in the centre, and pyrolysis gas passageway and the gas outlet intercommunication of vaporizer, the import of pyrolysis gas passageway is followed to the high temperature pyrolysis gas of vaporizer and is got into from pyrolysis gas passageway, and pyrolysis gas passageway flows through, follows pyrolysis gas passageway's export discharge. The material of the pyrolysis gas channel can be nickel-based alloy, such as Incoloy825, and has acid and alkali metal corrosion resistance under oxidation and reduction environments.
The spray water annular gap is arranged at the periphery of the pyrolysis gas channel, and spray water is introduced into the spray water annular gap. The inner wall of the spray water annular space is provided with water spray holes, spray water is sprayed into the pyrolysis gas channel from the water spray holes and sprayed to the high-temperature pyrolysis gas, the spray water is evaporated and atomized to take away heat in the pyrolysis gas channel, and the spray water is used for spray cooling the pyrolysis gas channel. Meanwhile, after the spray water flows through the spray water annular gap, the spray water annular gap is washed.
The external cooling water annular gap is arranged at the periphery of the spray water annular gap, and external cooling water is introduced into the external cooling water annular gap. The inner wall of the external cooling water annular gap is in contact with the outer wall of the spray water annular gap, the temperature of the external cooling water is lower, and the external cooling water exchanges heat with the spray water annular gap with higher temperature so as to cool the spray water annular gap and the pyrolysis gas channel by the external cooling water.
The coal gasification high-temperature pyrolysis gas cooling and washing device provided by the utility model can simultaneously complete the cooling of the pyrolysis gas channel and the washing work of the high-temperature pyrolysis gas for the 800-plus-900 ℃ high-temperature pyrolysis gas with lower dust content; and the process is shorter, the longer synthetic gas washing process of the traditional coal gasification technology is not needed, the difficulty in selecting materials of the pyrolysis gas channel can be reduced, the structure is simple, and the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a coal gasification high-temperature pyrolysis gas cooling washing device according to an embodiment of the present invention.
The drawings are numbered as follows:
the device comprises a shell 1, an external cooling water annular gap 2, a spray water annular gap 3, a pyrolysis gas channel 4, a water spray hole 5, a cooling water inlet pipe 6, a cooling water outlet pipe 7, a spray water inlet pipe 8, a spray water outlet pipe 9, a necking section 41, a throat section 42 and a flaring section 43.
Detailed Description
The core of the utility model is to provide a coal gasification pyrolysis gas cooling washing device, this coal gasification pyrolysis gas cooling washing device simple structure can solve high temperature pyrolysis gas pipeline cooling and pyrolysis gas washing problem simultaneously.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a coal gasification pyrolysis gas cooling washing apparatus according to an embodiment of the present invention.
In a specific embodiment, the utility model provides a coal gasification high temperature pyrolysis gas cooling washing device, include the pyrolysis gas passageway 4 that is used for flowing through high temperature pyrolysis gas with the gas outlet intercommunication of vaporizer, set up in the spray water annular space 3 of pyrolysis gas passageway 4 periphery, set up in the external cooling water annular space 2 of spray water annular space 3 periphery, be provided with hole for water spraying 5 on the inner wall of spray water annular space 3, the spray water in the spray water annular space 3 is used for carrying out spray cooling to pyrolysis gas passageway 4, the external cooling water in the external cooling water annular space 2 is used for cooling spray water annular space 3 and pyrolysis gas passageway 4.
In the structure, the coal gasification high-temperature pyrolysis gas cooling and washing device comprises a pyrolysis gas channel 4, a spray water annular gap 3 and an external cooling water annular gap 2, wherein the pyrolysis gas channel 4 is arranged in the middle, the pyrolysis gas channel 4 is communicated with a gas outlet of the gasification chamber, and high-temperature pyrolysis gas in the gasification chamber enters from an inlet of the pyrolysis gas channel 4, flows through the pyrolysis gas channel 4 and is discharged from an outlet of the pyrolysis gas channel 4. The material of the pyrolysis gas channel 4 can be nickel-based alloy, such as Incoloy825, and has acid and alkali metal corrosion resistance under oxidation and reduction environments.
The spray water annular gap 3 is arranged at the periphery of the pyrolysis gas channel 4, and spray water is communicated in the spray water annular gap 3. The inner wall of the spray water annular space 3 is provided with water spray holes 5, spray water is sprayed into the pyrolysis gas channel 4 from the water spray holes 5, the spray water is sprayed to the high-temperature pyrolysis gas, the spray water is evaporated and atomized to take away heat in the pyrolysis gas channel 4, and the spray water is used for spray cooling of the pyrolysis gas channel 4. Meanwhile, after the shower water flows through the shower water annular space 3, the shower water annular space 3 is washed.
The external cooling water annular gap 2 is arranged at the periphery of the spray water annular gap 3, and external cooling water is introduced into the external cooling water annular gap 2. The inner wall of the external cooling water annular gap 2 is in contact with the outer wall of the spray water annular gap 3, the temperature of the external cooling water is lower, and the external cooling water exchanges heat with the spray water annular gap 3 with higher temperature so as to cool the spray water annular gap 3 and the pyrolysis gas channel 4 by the external cooling water.
The coal gasification high-temperature pyrolysis gas cooling and washing device provided by the utility model can simultaneously complete the cooling of the pyrolysis gas channel 4 and the washing work of the high-temperature pyrolysis gas for the 800-plus-900 ℃ high-temperature pyrolysis gas with lower dust content; and the flow is shorter, the longer synthetic gas washing flow of the traditional coal gasification technology is not needed, the difficulty in selecting materials of the pyrolysis gas channel 4 can be reduced, the structure is simple, and the cost is lower.
On the basis of the above embodiment, the pyrolysis gas channel 4 comprises a necking section 41, a throat section 42 and a flaring section 43, wherein the necking section 41 is located at the inlet of the high-temperature pyrolysis gas, the throat section 42 is located at the middle section, and the flaring section 43 is located at the outlet.
The pyrolysis gas channel 4 is set to be a structure which is contracted first and then expanded, the speed of the high-temperature pyrolysis gas is improved through the contraction opening section 41, and the effect of strengthening spraying and atomization is achieved through the speed difference between the high-temperature pyrolysis gas and the spray water. The flaring section 43 can slow down the speed of the high-temperature pyrolysis gas flowing out, and ensure the flowing stability of the high-temperature pyrolysis gas.
Preferably, the angle of the reduced section 41 is larger than that of the expanded section 43, for example, the angle α of the reduced section 41 is any value between 12 ° and 14 °, inclusive, for example, 13mm, and the angle of the reduced section 41 is larger, which can reduce the total length of the whole device. The angle β of the flared section 43 is anywhere between 2-4 °, inclusive, for example 3 mm; the angle of the flaring section 43 is smaller, and the flow of the high-temperature pyrolysis gas after spray cooling is more stable.
On the basis of the above embodiments, the water spray holes 5 are arranged on the throat section 42, and the water spray holes 5 are convenient to arrange, good in stability and not easy to vibrate. The throat pipe section 42 of the spray water annular space 3 is long, a plurality of water spray holes 5 are formed in the throat pipe section 42, spray water is dispersed by increasing the number of the water spray holes 5, high-temperature pyrolysis gas at the throat pipe section 42 can be sprayed and cooled at different positions, and the improvement of washing efficiency and cooling effect is facilitated.
On the basis of the above embodiments, the water spray holes 5 can be uniformly arranged on the throat section 42, the spraying water dispersion is more sufficient and uniform, and the integral washing and cooling of the high-temperature pyrolysis gas are more uniform. Of course, the water spray holes 5 on the throat section 42 may be uniformly arranged only in a preferred embodiment, which is not exclusive, or may be non-uniformly arranged, for example, the water spray holes 5 in the middle are more numerous and distributed more densely; the number of the water spray holes 5 at the two ends is less, and the distribution is more dispersed. The distribution mode of the specific water spraying holes 5 is not limited and can be determined according to the actual application condition.
On the basis of the above embodiments, the flow ratio of the high-temperature pyrolysis gas to the spray water is less than 125, that is, the volume ratio of the flow of the high-temperature pyrolysis gas to the spray water is less than 125, for example, the volume of the external cooling water annulus 2 is 316L, the volume of the spray water annulus 3 is 316L, the flow velocity of the high-temperature pyrolysis gas in the throat section 42 is any value between 40 and 60m/s, including an endpoint value, for example, 50m/s, and any value between 2 and 5mm in the diameter of the water spray holes 5, including an endpoint value, for example, 4mm, so that the flowing high-temperature pyrolysis gas can be sprayed and atomized with enough spray water effects, and the cooling and washing requirements of the high-temperature pyrolysis gas are met.
On the basis of the above embodiments, the length of the throat section 42 is greater than or equal to 2 times the diameter of the throat, the throat has a larger length, and a larger number of water spray holes 5 can be arranged, so that not only can the cooling area be enlarged, but also the opening area of the water spray holes 5 can be enlarged, and the pipe vibration caused by locally spraying more cooling water can be prevented.
In another more reliable embodiment, on the basis of any one of the above embodiments, the outer casing 1 of the external cooling water annular gap 2 is provided with a cooling water inlet at the upper side and a cooling water outlet at the lower side, the cooling water inlet is communicated with a cooling water inlet pipe 6, and the cooling water outlet is communicated with a cooling water outlet pipe 7. The upside of the outer wall of spray water annulus 3 is provided with the spray water inlet, and the downside is provided with the spray water delivery port, and the spray water inlet communicates with spray water inlet tube 8, and spray water delivery port and spray water outlet pipe 9 communicate, and spray water annulus 3 and external cooling water annulus 2's simple structure can let in spray water and external cooling water in real time, and the temperature of guaranteeing spray water and external cooling water is lower, has better cooling effect.
On the basis of each specific embodiment, the outer wall of the spray water annular gap 3 is the inner wall of the external cooling water annular gap 2, the spray water inlet pipe 8 and the spray water outlet pipe 9 penetrate out of the outer shell 1 of the external cooling water annular gap 2 in a sealing mode, only one layer of wall surface interval exists between the spray water annular gap 3 and the external cooling water annular gap 2, the outer wall of the spray water annular gap 3 is wrapped in the external cooling water, and the cooling and heat exchange effects are better.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The detailed description is given above to the coal gasification high-temperature pyrolysis gas cooling and washing device provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a coal gasification pyrolysis gas cooling washing device, its characterized in that includes and is used for the pyrolysis gas passageway (4) of high temperature pyrolysis gas of flowing through with the gas outlet intercommunication of vaporizer, sets up in spray water annular space (3) of pyrolysis gas passageway (4) periphery, sets up in outside cooling water annular space (2) of spray water annular space (3) periphery, be provided with hole for water spraying (5) on the inner wall of spray water annular space (3), spray water in spray water annular space (3) is used for carrying out spray cooling to pyrolysis gas passageway (4), outside cooling water in outside cooling water annular space (2) is used for cooling spray water annular space (3) and pyrolysis gas passageway (4).
2. A coal gasification pyrolysis gas cooling scrubber according to claim 1, characterized in that the pyrolysis gas channel (4) comprises a throat section (42) of the intermediate section and a flared section (43) at the outlet, at the inlet of the pyrolysis gas.
3. The coal gasification high-temperature pyrolysis gas cooling washing device according to claim 2, wherein the angle of the reducing section (41) is larger than that of the expanding section (43).
4. The coal gasification high-temperature pyrolysis gas cooling washing device according to claim 2, wherein the water injection holes (5) are arranged on the throat pipe section (42), and the number of the water injection holes (5) is multiple.
5. The coal gasification pyrolysis gas cooling washing device according to claim 4, characterized in that the water spray holes (5) are uniformly arranged.
6. The coal gasification pyrolysis gas cooling washing device according to claim 4, characterized in that the ratio of the flow rate of the pyrolysis gas to the flow rate of the spray water is less than 125.
7. A coal gasification pyrolysis gas cooling washing apparatus according to claim 4, characterized in that the flow velocity of the pyrolysis gas in the throat section (42) is 40-60m/s, and the diameter of the water spray holes (5) is 2-5 mm.
8. The coal gasification pyrolysis gas cooling washing apparatus according to claim 4, characterized in that the length of the throat section (42) is equal to or greater than 2 times the diameter of the throat.
9. The coal gasification pyrolysis gas cooling washing device according to any one of claims 1 to 8, characterized in that the outer shell (1) of the external cooling water annular gap (2) is provided with a cooling water inlet at the upper side and a cooling water outlet at the lower side, the cooling water inlet is communicated with a cooling water inlet pipe (6), and the cooling water outlet is communicated with a cooling water outlet pipe (7);
the upper side of the outer wall of the spray water annular gap (3) is provided with a spray water inlet, the lower side is provided with a spray water outlet, the spray water inlet is communicated with a spray water inlet pipe (8), and the spray water outlet is communicated with a spray water outlet pipe (9).
10. A coal gasification pyrolysis gas cooling washing apparatus according to claim 9, characterized in that the outer wall of the spray water annulus (3) is the inner wall of the external cooling water annulus (2), and the spray water inlet pipe (8) and the spray water outlet pipe (9) are sealed out from the outer shell (1) of the external cooling water annulus (2).
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| CN202121016783.4U CN214654708U (en) | 2021-05-12 | 2021-05-12 | Coal gasification pyrolysis gas cooling washing device |
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| CN202121016783.4U CN214654708U (en) | 2021-05-12 | 2021-05-12 | Coal gasification pyrolysis gas cooling washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150838A (en) * | 2021-05-12 | 2021-07-23 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Coal gasification pyrolysis gas cooling washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150838A (en) * | 2021-05-12 | 2021-07-23 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Coal gasification pyrolysis gas cooling washing device |
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