CN206746021U - A kind of water coal slurry pressure gasification dirt vapor recovery utilizes device - Google Patents
A kind of water coal slurry pressure gasification dirt vapor recovery utilizes device Download PDFInfo
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- CN206746021U CN206746021U CN201720162387.XU CN201720162387U CN206746021U CN 206746021 U CN206746021 U CN 206746021U CN 201720162387 U CN201720162387 U CN 201720162387U CN 206746021 U CN206746021 U CN 206746021U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a kind of water coal slurry pressure gasification dirt vapor recovery to utilize device.The water coal slurry pressure gasification dirt vapor recovery is included using device：Saturated hot-water tower, saturated hot-water tower includes tower body and multiple tower trays, there is accommodating chamber in tower body, tower body is provided with grey water inlet, saturation dirt steam inlet, gray water outlet and the gas vent connected with accommodating chamber, multiple tower trays are located in accommodating chamber at interval along the vertical direction, gas vent is located at the top of multiple tower trays, and grey water inlet is located between two of the top in multiple tower trays, and saturation dirt steam inlet and gray water outlet are located at the lower section of multiple tower trays.Have the advantages that heat recovery efficiency is high, online rate is high, simple in construction, operating flexibility is big, safe and reliable using device according to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment, can more thoroughly remove dissolved gas and sulfide in desaturation dirt steam.
Description
Technical field
It the utility model is related to a kind of water coal slurry pressure gasification dirt vapor recovery and utilize device.
Background technology
HTHP buck vacuum flashing in hp flash drum caused by coal gasification apparatus, substantial amounts of dirty steam is produced,
Due to containing micro coal slag granules, hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide etc. in caused dirty steam, so dirty
The recycling of steam is constantly subjected to certain limitation, and heat recovery efficiency is relatively low, and system operatio is difficult.
At present, the recycling flow setting of high pressure flash dirt steam is：Dirty steam initially enters grey water heater, in ash
Buck is heated in 120 degrees Celsius -130 degrees Celsius after dirty steam and the heat exchange of high pressure buck in water heater, goes out buck heating
The dirty vapor portion condensation of device, becomes the air-water mixture (a small amount of condensate liquid) of 148 degrees centigrades, cold subsequently into flash steam
In condenser, and temperature is reduced to 90 degrees centigrades after recirculated water heat exchange, subsequently into gas-liquid separator, the liquid after gas-liquid separation
Mutually enter oxygen-eliminating device cylinder, recycle, gas phase enters torch.
The technological process has the following disadvantages：(1) due in dirty steam and high pressure buck all containing a small amount of solid particle and
The hardness of buck is higher, so the easy fouling of grey water heater, causes heat transfer effect to reduce, blocked when serious, runs one section
Grey water heater must be just cut off after time and carries out mechanical cleaning, not only using effect is poor for grey water heater, online rate is low, and
Buck heater life substantially reduces.(2) the dirty steam of ash discharge water- to-water heat exchanger and partial condensation liquid enter flash steam condenser, and
Recirculated water exchanges heat, and temperature is directly reduced to 90 degrees centigrades, causes substantial amounts of energy dissipation.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
Device is utilized with a kind of water coal slurry pressure gasification dirt vapor recovery with heat recovery efficiency the advantages of high of new proposition, it is described
Water coal slurry pressure gasification dirt vapor recovery using device can more thoroughly remove desaturation dirt steam in dissolved gas and
Sulfide.
Included according to water coal slurry pressure gasification dirt vapor recovery of the present utility model using device：Saturated hot-water tower, it is described
Saturated hot-water tower includes tower body and multiple tower trays, has accommodating chamber in the tower body, and the tower body is provided with and the accommodating chamber
Grey water inlet, saturation dirt steam inlet, gray water outlet and the gas vent of connection, multiple tower trays are spaced apart along the vertical direction
Ground is located in the accommodating chamber, wherein the gas vent is located at the top of multiple tower trays, the grey water inlet is positioned at more
Between two of the top in the individual tower tray, the saturation dirt steam inlet and the gray water outlet are located at multiple towers
The lower section of disk.
Have heat recovery efficiency high using device 10 according to water coal slurry pressure gasification dirt vapor recovery of the present utility model
The advantages of, it can more thoroughly remove the dissolved gas and sulfide in desaturation dirt steam.
In addition, can also be had such as using device according to the above-mentioned water coal slurry pressure gasification dirt vapor recovery of the utility model
Additional technical characteristic down：
The water coal slurry pressure gasification dirt vapor recovery further comprises gas distributor, the gas distribution using device
Device is located in the accommodating chamber and positioned at the lower section of multiple tower trays, wherein the air inlet of the gas distributor is with passing through institute
The air inlet pipe stated saturation dirt steam inlet and extend into the accommodating chamber is connected.
The water coal slurry pressure gasification dirt vapor recovery further comprises water collector using device, and the water collector is located at institute
State in accommodating chamber and positioned at the lower section of the gas distributor, wherein the water collector is with passing through the gray water outlet and extending into
Drainpipe in the accommodating chamber is connected.
The original water inlet connected with the accommodating chamber is additionally provided with the tower body, the original water inlet is located at multiple towers
The top of disk.
The two neighboring tower tray is oppositely arranged, and one of a projection in the horizontal plane in the two neighboring tower tray
Part overlaps with the part of another projection in the horizontal plane in the two neighboring tower tray.
Each tower tray includes level board and is located at the vertical plate at the edge of the level board.
The water coal slurry pressure gasification dirt vapor recovery further comprises sulfur recovery device using device, the sulfur recovery device
Import is connected with the gas vent.
Brief description of the drawings
Fig. 1 is the structural representation that device is utilized according to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment
Figure；
Fig. 2 is the enlarged drawing of the a-quadrant in Fig. 1.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
Below with reference to the accompanying drawings describe to utilize dress according to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment
Put 10.As depicted in figs. 1 and 2, device 10 is utilized according to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment
Including saturated hot-water tower 101.
Saturated hot-water tower 101 includes tower body 1011 and multiple tower trays 1012, has accommodating chamber 1013, tower body in tower body 1011
1011 is gentle provided with grey water inlet 1014, saturation dirt steam inlet 1015, the gray water outlet 1016 connected with accommodating chamber 1013
Body outlet 1017.Multiple tower trays 1012 are located in accommodating chamber 1013 at interval along the vertical direction.Wherein, gas vent 1017
In the top of multiple tower trays 1012, grey water inlet 1014 is located between two of the top in multiple tower trays 1012, and saturation is dirty
Steam inlet 1015 and gray water outlet 1016 are located at the lower section of multiple tower trays 1012.
Returned below with reference to Fig. 1 and Fig. 2 descriptions using the water coal slurry pressure gasification dirt steam according to the utility model embodiment
Receive the water coal slurry pressure gasification dirt vapor recovery implemented using device 10 and utilize new technological process.According to the water of the utility model embodiment
Coal slurry pressurized gasification dirt vapor recovery is comprised the following steps using new technological process：
Saturation dirt steam is conveyed into tower body 1011 by saturation dirt steam inlet 1015, by grey water inlet 1014 to tower
Conveying buck in body 1011；
Buck flows downward by multiple tower trays 1012 step by step, and saturation dirt steam step-by-step passes through multiple tower trays 1012 to upstream
Dynamic, buck and saturation dirt steam are exchanged heat on each tower tray 1012, stripped；
Gas is discharged from gas vent 1017, buck is discharged from gray water outlet 1016.
According to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment using device 10 by using provided with
The saturated hot-water tower 101 of multiple tower trays 1012 is handled saturation dirt steam, so as to so that buck exists with saturation dirt steam
Exchanged heat and stripped on each tower tray 1012, so as to stage-by-stage heat exchange and stripping on multiple tower trays 1012.Thus not only may be used
To ensure that heat fully exchanges, heat recovery efficiency is greatly enhanced, and more thoroughly can remove in desaturation dirt steam
Dissolved gas and sulfide.
Due to eliminating grey water heater, flash steam condenser and oxygen-eliminating device, therefore can not only avoid because buck heats
The fouling of device causes system shutdown with blocking, and so as to improve the continuous operation ratio of system, and can simplify water-coal-slurry and add
The dirty vapor recovery of calming the anger utilizes the structure of device 10, reduces the manufacture that water coal slurry pressure gasification dirt vapor recovery utilizes device 10
Cost.
Because the hardness of buck is higher, therefore because of fouling heat exchange efficiency will not be caused drastically to decline.It is possible thereby to make
Water coal slurry pressure gasification dirt vapor recovery is more stable, simpler using the operation of device 10, and water coal slurry pressure gasification is dirty to be steamed
10 online rate of gas recycle device is high and safe and reliable, and maintenance workload is small.
It is excellent that in addition, water coal slurry pressure gasification dirt vapor recovery also has using device 10, flow is simple, operating flexibility is big
Point.
Therefore, heat is had using device 10 according to the water coal slurry pressure gasification dirt vapor recovery of the utility model embodiment
The advantages that organic efficiency is high, online rate is high, simple in construction, operating flexibility is big, safe and reliable, it can more thoroughly remove desaturation
Dissolved gas and sulfide in dirty steam.
Because the operating pressure of the oxygen-eliminating device of the recycle device of existing saturation dirt steam is pressure-fired, therefore sulfur-bearing
Tail gas live can only be vented, and cause environmental pollution.
In some embodiments of the utility model, water coal slurry pressure gasification dirt vapor recovery can enter one using device 10
Step includes sulfur recovery device (not shown), and the import of the sulfur recovery device is connected with gas vent 1017.
Specifically, the gas discharged from gas vent 1017 is passed into the sulfur recovery device, so as in gas recovery
Sulphur.In the gas obtained after handling saturation dirt steam by saturated hot-water tower 101, because fixed gas content is high, vapor
It is relatively fewer, therefore the gas can be delivered directly in the sulfur recovery device, to reclaim the sulphur in the gas.Thus it is not required to
The gas is vented on the spot, not polluted the environment.
As shown in figure 1, in one embodiment of the present utility model, water coal slurry pressure gasification dirt vapor recovery utilizes device
10 may further include gas distributor 102, and gas distributor 102 is located in accommodating chamber 1013, and gas distributor 102
In the lower section of multiple tower trays 1012.Wherein, the air inlet of gas distributor 102 is with passing through saturation dirt steam inlet 1015 and stretching into
It is connected to the air inlet pipe 104 in accommodating chamber 1013.
By setting gas distributor 102, saturation dirt steam can be made to be distributed in saturated hot-water tower 101 more equal
It is even, so as to further improve heat recovery efficiency, and it can more thoroughly remove the dissolubility gas in desaturation dirt steam
Body and sulfide.
Advantageously, as shown in figure 1, water coal slurry pressure gasification dirt vapor recovery further comprises water collector using device 10
103, water collector 103 is located in accommodating chamber 1013, and water collector 103 is located at the lower section of gas distributor 102.Wherein, water collector
103 are connected with the drainpipe 105 for passing through gray water outlet 1016 and extending into accommodating chamber 1013.
Water collector 103 can be used for collecting the buck to be exchanged heat with saturation dirt steam, and the buck being collected into is discharged.
Specifically, drainpipe 105 can be connected with high pressure ash water pump 106, be washed to be transported to buck using high pressure ash water pump 106
Wash tower.
As depicted in figs. 1 and 2, in some examples of the present utility model, it is additionally provided with tower body 1011 and accommodating chamber 1013
The original water inlet 1018 of connection, original water inlet 1018 are located at the top of multiple tower trays 1012.That is, multiple tower trays 1012
Positioned at one of the top in the vertical direction between original water inlet 1018 and grey water inlet 1014.It is possible thereby to utilize original
Water is handled saturation dirt steam, so as to more thoroughly remove dissolved gas and the vulcanization in desaturation dirt steam
Thing.
In an example of the present utility model, as depicted in figs. 1 and 2, two neighboring tower tray 1012 is oppositely arranged, adjacent
Another in a part for a projection in the horizontal plane in two tower trays 1012 and two neighboring tower tray 1012 is in water
The part coincidence of projection in plane.Thus water coal slurry pressure gasification dirt vapor recovery not only can further be improved using dress
10 heat recovery efficiency is put, and can more thoroughly remove the dissolved gas and sulfide in desaturation dirt steam.
As depicted in figs. 1 and 2, advantageously, each tower tray 1012 includes level board 10121 and is located at level board 10121
The vertical plate 10122 at edge.Thus water coal slurry pressure gasification dirt vapor recovery not only can further be improved using device 10
Heat recovery efficiency, and can more thoroughly remove dissolved gas and sulfide in desaturation dirt steam.
In a specific example of the present utility model, go out the 0.5MPa (G) of hp flash drum, 149 degrees centigrades
Saturation dirt steam is directly entered the middle part of saturated hot-water tower 101,0.8MPa (G), 50 degrees centigrades come from low pressure ash water pump
Buck enter saturated hot-water tower 101 top tower tray 1012, buck flows downward by tower tray 1012 step by step, the dirty steaming of saturation
Vapour passes upward through tower tray 1012 and flowed.On every piece of tower tray 1012, buck and saturation dirt steam after stage-by-stage heat exchange, stripping,
Go out buck in most next piece of tower tray 1012 and be heated to 135 degrees Celsius, the gas phase temperature for going out most lastblock tower tray 1012 is reduced to 75
Degrees centigrade.0.5MPa (G), the 135 degrees Celsius of bucks of saturated hot-water tower 101 enter after the pressurization of high pressure ash water pump 106 to be washed
Tower is washed, is recycled.Tower top come out 0.5MPa (G), 75 high pressure ash water pumps 106 or so and containing a large amount of fixed gases, sulfide
Gas, send sulfur recovery further to handle.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship, limited unless otherwise clear and definite.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
1. a kind of water coal slurry pressure gasification dirt vapor recovery utilizes device, it is characterised in that including：
Saturated hot-water tower, the saturated hot-water tower include tower body and multiple tower trays, have accommodating chamber, the tower body in the tower body
It is provided with grey water inlet, saturation dirt steam inlet, gray water outlet and the gas vent connected with the accommodating chamber, multiple towers
Disk is located in the accommodating chamber at interval along the vertical direction, wherein the gas vent is located at the top of multiple tower trays,
The grey water inlet is located between two of the top in multiple tower trays, the saturation dirt steam inlet and the buck
Outlet is positioned at the lower section of multiple tower trays.
2. water coal slurry pressure gasification dirt vapor recovery according to claim 1 utilizes device, it is characterised in that further bag
Gas distributor is included, the gas distributor is located in the accommodating chamber and positioned at the lower section of multiple tower trays, wherein described
The air inlet of gas distributor is connected with the air inlet pipe for passing through the saturation dirt steam inlet and extending into the accommodating chamber.
3. water coal slurry pressure gasification dirt vapor recovery according to claim 2 utilizes device, it is characterised in that further bag
Water collector is included, the water collector is located in the accommodating chamber and positioned at the lower section of the gas distributor, wherein the water collector
It is connected with through the gray water outlet and the drainpipe that extend into the accommodating chamber.
4. water coal slurry pressure gasification dirt vapor recovery according to claim 1 utilizes device, it is characterised in that the tower body
On be additionally provided with the original water inlet connected with the accommodating chamber, the original water inlet is located at the top of multiple tower trays.
5. the water coal slurry pressure gasification dirt vapor recovery according to any one of claim 1-4 utilizes device, its feature exists
In the two neighboring tower tray is oppositely arranged, a part for a projection in the horizontal plane in the two neighboring tower tray
Overlapped with the part of another projection in the horizontal plane in the two neighboring tower tray.
6. water coal slurry pressure gasification dirt vapor recovery according to claim 5 utilizes device, it is characterised in that each described
Tower tray includes level board and is located at the vertical plate at the edge of the level board.
7. water coal slurry pressure gasification dirt vapor recovery according to claim 1 utilizes device, it is characterised in that further bag
Sulfur recovery device is included, the import of the sulfur recovery device is connected with the gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720162387.XU CN206746021U (en) | 2017-02-22 | 2017-02-22 | A kind of water coal slurry pressure gasification dirt vapor recovery utilizes device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720162387.XU CN206746021U (en) | 2017-02-22 | 2017-02-22 | A kind of water coal slurry pressure gasification dirt vapor recovery utilizes device |
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| Publication Number | Publication Date |
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| CN206746021U true CN206746021U (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452547A (en) * | 2017-02-22 | 2018-08-28 | 清华大学山西清洁能源研究院 | A kind of water coal slurry pressure gasification dirt vapor recovery utilizes new technological process and device |
-
2017
- 2017-02-22 CN CN201720162387.XU patent/CN206746021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452547A (en) * | 2017-02-22 | 2018-08-28 | 清华大学山西清洁能源研究院 | A kind of water coal slurry pressure gasification dirt vapor recovery utilizes new technological process and device |
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