CN106679480A - Excess heat recovery device for ammonia cooling in gasification workshop - Google Patents
Excess heat recovery device for ammonia cooling in gasification workshop Download PDFInfo
- Publication number
- CN106679480A CN106679480A CN201710119046.9A CN201710119046A CN106679480A CN 106679480 A CN106679480 A CN 106679480A CN 201710119046 A CN201710119046 A CN 201710119046A CN 106679480 A CN106679480 A CN 106679480A
- Authority
- CN
- China
- Prior art keywords
- water
- deamination
- residual oil
- recovery device
- heat recovery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
Abstract
The invention provides an excess heat recovery device for ammonia cooling in a gasification workshop. The excess heat recovery device comprises an ammonia hot water heat exchanging device and an ammonia cooling device connected in sequence, the ammonia hot water heat exchanging device is connected with the excess heat station. The excess heat recovery device can recycle the excess heat, consumes less cooling water, the operational cycle of the original ammonia cooling device can be prolonged, and considerable economic benefits for the enterprises can be brought in.
Description
Technical field
The present invention relates to the phenol recovery ammonia field in a kind of crushed coal pressure gasifying, particularly belong to a kind of de- for gas making workshop
The waste-heat recovery device of ammoniacal liquor cooling.
Background technology
During crushed coal pressure gasifying, because temperature is in 400-700 DEG C, a large amount of highly concentrated pollutants can be produced, it contains
Ammonia nitrogen, sulfide, carbonate, dust, coal tar, unit phenol, polyhydric phenols etc..Generally removed using gravitational settling, centrifugation
The coal tar of wherein most, dust, subsequently into phenol recovery ammonia workshop section, phenol recovery ammonia chemical separating mainly includes removal of ammonia and nitrogen
The unit such as reclaim with acid, stripping, extraction, extractant.
Such as Fig. 1 is the schematic diagram of existing deamination water cooler, and 135 DEG C of high temperature deamination water cool through deamination water cooler
To after 40 DEG C, into lower procedure.
The weak point that above-mentioned flow is present：
Due to having tar material, the presence of coal ash particle and cooling water heat transfer temperature difference big in its technique side high temperature deamination water,
It is easy to the cycle of operation that blocking heat exchanger has a strong impact on device.
The content of the invention
Present invention seek to address that drawbacks described above, there is provided a kind of waste heat recovery dress for gas making workshop deamination water cooling
Put.
The technical solution adopted in the present invention is：A kind of waste-heat recovery device for gas making workshop deamination water cooling, bag
Deamination hydro-thermal water- to-water heat exchanger, the deamination water cooler being sequentially connected are included, the deamination hydro-thermal water- to-water heat exchanger is connected with waste heat station.
Described deamination hydro-thermal water- to-water heat exchanger top respectively with high temperature deamination water inlet, hot water outlet and the first steam inlet
Connection, and high temperature deamination water inlet, hot water outlet and the first steam inlet stretch out casing.
Described deamination hydro-thermal water- to-water heat exchanger bottom respectively with high temperature deamination water out, hot water inlet, the second steam inlet,
First residual oil blowoff valve, the second residual oil blowoff valve and the 3rd residual oil blowoff valve connection, and high temperature deamination water out, hot water inlet,
Second steam inlet, the first residual oil blowoff valve, the second residual oil blowoff valve and the 3rd residual oil blowoff valve stretch out casing.
Described deamination water cooler top is entered with low temperature deamination water inlet, coolant outlet, and low temperature deamination water respectively
Mouth, coolant outlet stretch out casing.
Described deamination water cooler bottom goes out with low temperature deamination water out, cooling water inlet, and low temperature deamination water respectively
Mouth, cooling water inlet stretch out casing.
In a preferred embodiment of the invention, deamination hydro-thermal water- to-water heat exchanger upper pyrometer deamination water inlet temperature is
135-140 DEG C, hot water outlet temperature be 125-130 DEG C, the first steam inlet pressure be 0.5-0.8MPa.g.
In a preferred embodiment of the invention, deamination hydro-thermal water- to-water heat exchanger bottom high temperature deamination water outlet temperature is
100-105 DEG C, hot water inlet temperature be 90-95 DEG C, the second steam inlet pressure be 0.5-0.8MPa.g.
In a preferred embodiment of the invention, deamination water cooler top low temperature deamination water inlet temperature is 100-
105 DEG C, cooling water outlet temperature be 35-40 DEG C.
In a preferred embodiment of the invention, deamination water cooler bottom low temperature deamination water outlet temperature is 35-40
DEG C, cooling water inlet temperature be 25-30 DEG C.
In a preferred embodiment of the invention, deamination hydro-thermal water- to-water heat exchanger top hot water outlet connects with the import of waste heat station
Connect.
In a preferred embodiment of the invention, deamination hydro-thermal water- to-water heat exchanger bottom hot water inlet is exported with waste heat station and connected
Connect.
In a preferred embodiment of the invention, deamination hydro-thermal water- to-water heat exchanger bottom high temperature deamination water out and deamination water
Cooler inlet is connected.
Compared with present technology, advantage for present invention：
1. the cooling method of high temperature deamination water is lowered the temperature by primary cooling water, is changed to the reducing temperature twice of hot water plus cooling water, is reclaimed
Partial heat, has saved the consumption of cooling water, reduces the generation that heat transfer temperature difference advantageously reduces cooling water side incrustation scale.
2. two steam ports are additionally arranged（DN100）And three residual oil blowoff valves（DN150）, with beneficial to blowing down residual oil and from changing
Discharged in hot device, improve the cycle of operation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of existing deamination water cooler；
Fig. 2 is structural representation of the invention.
Specific embodiment
Embodiments discussed below is described in detail the present invention, but the present invention is not limited only to following examples.With reference to
Accompanying drawing is described in detail to presently preferred embodiments of the present invention, so that advantages and features of the invention can be easier to by this area skill
Art personnel understand, apparent are clearly defined so as to be made to protection scope of the present invention.
A kind of waste-heat recovery device for gas making workshop deamination water cooling as shown in Figure 2, the device includes being sequentially connected
Deamination hydro-thermal water- to-water heat exchanger 3, deamination water cooler 1, the deamination hydro-thermal water- to-water heat exchanger 3 is connected with waste heat station 2.
Steamed with high temperature deamination water inlet 31, hot water outlet 34 and first respectively on the described top of deamination hydro-thermal water- to-water heat exchanger 3
Vapor inlet connection 35, and high temperature deamination water inlet 31, the steam inlet 35 of hot water outlet 34 and first stretch out casing.
The described bottom of deamination hydro-thermal water- to-water heat exchanger 3 respectively with high temperature deamination water out 32, hot water inlet 33, the second steam
Import 36, the first residual oil blowoff valve 37, the second residual oil blowoff valve 38 and the 3rd residual oil blowoff valve 39 are connected, and high temperature deamination water goes out
Mouth 32, hot water inlet 33, the second steam inlet 36, the first residual oil blowoff valve 37, the second residual oil blowoff valve 38 and the 3rd residual oil row
Dirty valve 39 stretches out casing.
Described deamination water cooler top respectively with low temperature deamination water inlet 11, coolant outlet 14, and low temperature deamination
Water inlet 11, coolant outlet 14 stretch out casing.
The described bottom of deamination water cooler 1 respectively with low temperature deamination water out 12, cooling water inlet 13, and low temperature deamination
Water out 12, cooling water inlet 13 stretch out casing.
Specific embodiment of the invention：135 DEG C of high temperature deamination water that preceding system is come are from deamination hydro-thermal water- to-water heat exchanger upper case
Journey enters, and after the 90 DEG C of hot water heat exchange through coming with the outlet of waste heat station is cooled to 100 DEG C, then enters from deamination water cooler top shell side
Enter and discharged from deamination water cooler bottom shell side through being cooled to 40 DEG C with 30 DEG C of cooling water heat exchange, deliver to rear system；Waste heat station goes out
90 DEG C of hot water that mouth comes enter the import of waste heat station after being warming up to 125 DEG C with the heat exchange of high temperature deamination water, and waste heat station uses waste heat
Hot water temperature is down to 90 DEG C afterwards, then recycles；When finding that heat transfer effect is deteriorated in running, deamination hydro-thermal water is illustrated
The residual oil accumulated in heat exchanger shell pass is excessive, temporarily cuts off deamination hydro-thermal water- to-water heat exchanger online, walks Fig. 1 original flows, first successively
The first residual oil blowoff valve, the second residual oil blowoff valve, the 3rd residual oil blowoff valve are opened, then opens the first steam inlet（0.5MPa.g）
With the second steam inlet（0.5MPa.g）, deslagging oil is carried out, when residual oil emptying, above-mentioned valve is closed, and recover to Fig. 2 flows,
Continue normal operation.
It is emphasized that：Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, or be directly or indirectly used in
Other related technical fields, are included within the scope of the present invention.
Claims (5)
1. a kind of waste-heat recovery device for gas making workshop deamination water cooling, it is characterised in that the device includes being sequentially connected
Deamination hydro-thermal water- to-water heat exchanger（3）, deamination water cooler（1）, the deamination hydro-thermal water- to-water heat exchanger（3）With waste heat station（2）Connection.
2. a kind of waste-heat recovery device for gas making workshop deamination water cooling according to claim 1, it is characterised in that：
Described deamination hydro-thermal water- to-water heat exchanger（3）Top respectively with high temperature deamination water inlet（31）, hot water outlet（34）And first steam
Import is connected（35）, and high temperature deamination water inlet（31）, hot water outlet（34）And first steam inlet（35）Stretch out casing.
3. a kind of waste-heat recovery device for gas making workshop deamination water cooling according to claim 1, it is characterised in that：
Described deamination hydro-thermal water- to-water heat exchanger（3）Bottom respectively with high temperature deamination water out（32）, hot water inlet（33）, the second steam enters
Mouthful（36）, the first residual oil blowoff valve（37）, the second residual oil blowoff valve（38）And the 3rd residual oil blowoff valve（39）Connection, and high temperature is de-
Ammoniacal liquor is exported（32）, hot water inlet（33）, the second steam inlet（36）, the first residual oil blowoff valve（37）, the second residual oil blowoff valve
（38）And the 3rd residual oil blowoff valve（39）Stretch out casing.
4. a kind of waste-heat recovery device for gas making workshop deamination water cooling according to claim 1, it is characterised in that：
Described deamination water cooler（1）Top respectively with low temperature deamination water inlet（11）, coolant outlet（14）, and low temperature deamination water
Import（11）, coolant outlet（14）Stretch out casing.
5. a kind of waste-heat recovery device for gas making workshop deamination water cooling according to claim 1, it is characterised in that：
Described deamination water cooler（1）Bottom respectively with low temperature deamination water out（12）, cooling water inlet（13）, and low temperature deamination water
Outlet（12）, cooling water inlet（13）Stretch out casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119046.9A CN106679480A (en) | 2017-03-02 | 2017-03-02 | Excess heat recovery device for ammonia cooling in gasification workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119046.9A CN106679480A (en) | 2017-03-02 | 2017-03-02 | Excess heat recovery device for ammonia cooling in gasification workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679480A true CN106679480A (en) | 2017-05-17 |
Family
ID=58861512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710119046.9A Pending CN106679480A (en) | 2017-03-02 | 2017-03-02 | Excess heat recovery device for ammonia cooling in gasification workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106679480A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2345963Y (en) * | 1998-03-09 | 1999-10-27 | 杨子龙 | Thick medium level meter |
| CN202039044U (en) * | 2011-04-25 | 2011-11-16 | 山西阳煤丰喜肥业(集团)有限责任公司 | Semi-water gas cooling system with lithium bromide unit and capable of generating cold water as byproduct |
| CN202209895U (en) * | 2011-08-03 | 2012-05-02 | 济钢集团国际工程技术有限公司 | Steam-water mixing device for recycling steam heat during slag stewing |
| CN102515307A (en) * | 2011-12-17 | 2012-06-27 | 宿州山明环保科技有限公司 | Floating oil separator for sewage treatment |
| CN203037122U (en) * | 2013-01-22 | 2013-07-03 | 珠海长炼石化设备有限公司 | Parallel type heat exchanger component |
| CN106118756A (en) * | 2016-06-24 | 2016-11-16 | 合肥欧克斯新型建材有限公司 | A kind of waste heat recycling system for synthesizing ammonia semiwater gas |
-
2017
- 2017-03-02 CN CN201710119046.9A patent/CN106679480A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2345963Y (en) * | 1998-03-09 | 1999-10-27 | 杨子龙 | Thick medium level meter |
| CN202039044U (en) * | 2011-04-25 | 2011-11-16 | 山西阳煤丰喜肥业(集团)有限责任公司 | Semi-water gas cooling system with lithium bromide unit and capable of generating cold water as byproduct |
| CN202209895U (en) * | 2011-08-03 | 2012-05-02 | 济钢集团国际工程技术有限公司 | Steam-water mixing device for recycling steam heat during slag stewing |
| CN102515307A (en) * | 2011-12-17 | 2012-06-27 | 宿州山明环保科技有限公司 | Floating oil separator for sewage treatment |
| CN203037122U (en) * | 2013-01-22 | 2013-07-03 | 珠海长炼石化设备有限公司 | Parallel type heat exchanger component |
| CN106118756A (en) * | 2016-06-24 | 2016-11-16 | 合肥欧克斯新型建材有限公司 | A kind of waste heat recycling system for synthesizing ammonia semiwater gas |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170517 |