CN112169361A - Energy-saving high-efficiency ammonia water evaporation device - Google Patents
Energy-saving high-efficiency ammonia water evaporation device Download PDFInfo
- Publication number
- CN112169361A CN112169361A CN202011244017.3A CN202011244017A CN112169361A CN 112169361 A CN112169361 A CN 112169361A CN 202011244017 A CN202011244017 A CN 202011244017A CN 112169361 A CN112169361 A CN 112169361A
- Authority
- CN
- China
- Prior art keywords
- insulating shell
- ammonia water
- heating medium
- spray gun
- energy
- 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
Links
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 68
- 230000008020 evaporation Effects 0.000 title claims abstract description 40
- 238000001704 evaporation Methods 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 15
- 238000012546 transfer Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/04—Evaporators with horizontal tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to an energy-saving high-efficiency ammonia water evaporation device which comprises an insulating shell, wherein the lower part of the insulating shell is provided with a heating medium inlet, the upper part of the insulating shell is provided with a heating medium outlet, and a spray gun for spraying into the insulating shell is arranged between the insulating shell and the heating medium inlet; the spray gun is an ammonia water solution single-fluid spray gun; the interior of the insulating shell is positioned above the spraying part of the spray gun, and at least one group of heat exchange strengthening units are arranged and are of a multi-layer tubular structure in staggered arrangement. The low-pressure single-fluid spray gun is adopted, so that the power consumption of the feeding pump can be saved, and a large amount of compressed air can be saved; set up the positive big enhancement heat transfer unit in evaporation plant specific surface, low pressure single fluid aqueous ammonia droplet is by quick distribution to staggered arrangement multilayer tubular enhancement heat transfer unit on, rapid evaporation, evaporation efficiency is high does not produce the crystallization again, has greatly shortened aqueous ammonia evaporation plant's length, more is favorable to equipment cost and field installation.
Description
Technical Field
The invention relates to an ammonia water evaporation device, in particular to an energy-saving and efficient ammonia water evaporation device.
Background
At present, an ammonia water evaporator used in domestic SCR denitration projects consists of a heat insulation shell, a heating medium inlet temperature measurement unit, an ammonia water/compressed air two-fluid spray gun and a mixed medium outlet temperature measurement unit, wherein ammonia water and compressed air are sprayed into the ammonia water evaporator through the two-fluid spray gun to be atomized, mixed with a heating medium, evaporated and conveyed to an SCR reactor after being evaporated. The pressure requirement of this type ammonia water evaporator to compressed air and aqueous ammonia is general higher, has improved the electric energy that jet ammonia water needs to consume, and meanwhile, this type ammonia water evaporator needs more heat energy to go to heat the compressed air who accompanies the aqueous ammonia to and this type ammonia water evaporator needs longer adiabatic barrel to be used for the mixture and the evaporation of aqueous ammonia, lead to aqueous ammonia evaporation plant to make and installation cost higher.
Disclosure of Invention
The invention aims to provide an energy-saving high-efficiency ammonia water evaporation device, which solves the problems of high energy consumption, high cost and low efficiency of the existing ammonia water evaporator.
The invention adopts the following technical scheme:
an energy-saving high-efficiency ammonia water evaporation device comprises an insulating shell 1, wherein a heating medium inlet is formed in the lower part of the insulating shell, a heating medium outlet is formed in the upper part of the insulating shell, and a spray gun for spraying into the insulating shell is arranged between the insulating shell and the heating medium inlet; the spray gun is an ammonia water solution single-fluid spray gun 3; the interior of the insulating shell 1 is positioned above the spraying position of the spray gun, and at least one group of reinforced heat exchange units 4 are arranged, wherein the reinforced heat exchange units 4 are of a multi-layer tubular structure in staggered arrangement.
In this scheme, this aqueous ammonia evaporation plant adopts low pressure single fluid spray gun, and compared with the aqueous ammonia and compressed air pass through two fluid spray guns in prior art, pressure reduces by a wide margin, consequently both can save the power consumption of feed pump, can practice thrift a large amount of compressed air again. The single-fluid spray gun can be adopted, because the reinforced heat exchange unit is arranged, the specific surface area of the ammonia water solution for heat exchange with the heating medium is increased, the heat exchange effect is greatly improved, and the length of the insulating shell can be reduced due to the improvement of the evaporation efficiency, so that the cost is further reduced, and the space is saved.
Preferably, a heating medium inlet temperature measuring unit 2 is arranged at a position close to the heating medium inlet, and a heating medium outlet temperature measuring unit 5 is arranged at a position close to the heating medium outlet.
Preferably, the ammonia water solution single-fluid spray gun 3 transversely extends inwards to the central part of the insulating shell 1 and sprays upwards within a set angle range.
Preferably, the pipes in the staggered multilayer pipe structure are parallel to each other, and the distance between the adjacent pipes is equal.
Preferably, the insulating housing 1 has a cylindrical shape.
Further, the heating medium outlet is arranged at the upper end of the insulating shell 1, and the heating medium inlet is arranged at the lower end of the insulating shell 1.
Preferably, the multilayer tubular structure is horizontally arranged.
The invention has the beneficial effects that:
firstly, the ammonia water evaporation device adopts a low-pressure single-fluid spray gun, so that the power consumption of a feeding pump can be saved, and a large amount of compressed air can be saved;
secondly, set up the positive big enhancement heat transfer unit in evaporation plant specific surface, low pressure single fluid aqueous ammonia droplet is distributed fast on the enhancement heat transfer unit of staggered multi-layer tubular, rapid evaporation, and evaporation efficiency is high and do not produce the crystallization again, has greatly shortened aqueous ammonia evaporation plant's length, more is favorable to equipment cost and field installation. Meanwhile, the arrangement of the heat exchange unit is strengthened, so that the pressure of the spray gun is reduced, compressed air is not needed, and the heat exchange effect is not influenced.
Finally, because the single-fluid spray gun is used in the project, ammonia water compressed air is not emitted, and the requirement on the heat energy of the heating medium is further reduced. In conclusion, the ammonia water evaporation device can meet the final requirement of ammonia water evaporation, and simultaneously effectively solves the problems of high energy consumption, high cost and low efficiency of the existing ammonia water evaporator.
Drawings
FIG. 1 is a vertical layout view of an energy-saving and efficient ammonia water evaporator.
Fig. 2 is a plan view of the enhanced heat exchange unit.
In the figure, 1, an insulating shell, 2, a heating medium inlet temperature measuring unit, 3, an ammonia water solution uniflow spray gun, 4, an enhanced heat exchange unit and 5, a mixed medium outlet temperature measuring unit.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, an energy-saving and efficient ammonia water evaporation device comprises an insulating shell 1, wherein a heating medium inlet is formed in the lower part of the insulating shell, a heating medium outlet is formed in the upper part of the insulating shell, and a spray gun for spraying ammonia water into the insulating shell is arranged between the insulating shell and the heating medium inlet; the spray gun is an ammonia water solution single-fluid spray gun 3; the interior of the insulating shell 1 is positioned above the spraying position of the spray gun, and at least one group of reinforced heat exchange units 4 are arranged, wherein the reinforced heat exchange units 4 are of a multi-layer tubular structure in staggered arrangement.
In this scheme, this aqueous ammonia evaporation plant adopts low pressure single fluid spray gun, and compared with the aqueous ammonia and compressed air pass through two fluid spray guns in prior art, pressure reduces by a wide margin, consequently both can save the power consumption of feed pump, can practice thrift a large amount of compressed air again. The single-fluid spray gun can be adopted, because the reinforced heat exchange unit is arranged, the specific surface area of the ammonia water solution for heat exchange with the heating medium is increased, the heat exchange effect is greatly improved, and the length of the insulating shell can be reduced due to the improvement of the evaporation efficiency, so that the cost is further reduced, and the space is saved.
In this embodiment, referring to fig. 1, a heating medium inlet temperature measuring unit 2 is disposed at a position close to the heating medium inlet, and a heating medium outlet temperature measuring unit 5 is disposed at a position close to the heating medium outlet, for monitoring the temperatures of the inlet and the outlet of the heating medium on the insulating housing in real time.
In this embodiment, referring to fig. 1, the single fluid lance 3 for aqueous ammonia solution extends transversely inward to the center of the insulating housing 1 and sprays upward within a predetermined angle.
In this embodiment, referring to fig. 1-2, the tubes in the staggered multi-layer tubular structure are parallel to each other and the spacing between adjacent tubes is equal.
In this embodiment, referring to fig. 1-2, the insulating housing 1 is cylindrical in shape.
In this embodiment, referring to fig. 1, the heating medium outlet is provided at an upper end portion of the insulating housing 1, and the heating medium inlet is provided at a lower end portion of the insulating housing 1.
In this example, referring to fig. 1, the multilayer tubular structure is horizontally disposed.
The working process can be summarized as follows: in the heat insulation shell, low-pressure ammonia water solution is sprayed into an ammonia water evaporation device through a single-fluid spray gun 3, then is uniformly mixed with a high-temperature heating medium, flows through a staggered multilayer tubular enhanced heat exchange unit 4, and is quickly evaporated and mixed in the heating medium to form ammonia water droplets.
The following details the operation steps:
in fig. 1, a heating medium enters a heat insulation shell 1, after the temperature of the heating medium is measured by a heating medium inlet temperature measuring unit 2 to meet the temperature required by the opening of an ammonia water solution single-fluid spray gun 3, the single-fluid spray gun 3 is opened, ammonia water droplets are sprayed into an evaporation device, the ammonia water droplets are uniformly mixed with the heating medium and then flow through an enhanced heat exchange unit 4, the ammonia water droplets are quickly and efficiently evaporated, the evaporated mixed medium flows through a mixed medium outlet temperature measuring unit 5, the temperature of the mixed medium is detected, and if the process operation requirement is met, the mixed medium enters the next process equipment; if the temperature is lower than the process operation requirement, the ammonia water injection amount needs to be reduced or the heating medium flow needs to be increased in a proper amount; if the temperature is higher than the process operating requirement, the heating medium flow needs to be reduced.
Fig. 2 is a schematic diagram of a plane layout of the enhanced heat exchange unit, and the illustrated structure can provide a very large specific surface area for contacting with liquid drops and can also achieve the effect of enhanced heat transfer.
Compared with the prior art, firstly, the ammonia water evaporation device adopts the low-pressure single-fluid spray gun, so that the power consumption of the feeding pump can be saved, and a large amount of compressed air can be saved. Secondly, set up the positive big enhancement heat transfer unit in evaporation plant specific surface, low pressure single fluid aqueous ammonia droplet is distributed fast on the enhancement heat transfer unit of staggered multi-layer tubular, rapid evaporation, and evaporation efficiency is high and do not produce the crystallization again, has greatly shortened aqueous ammonia evaporation plant's length, more is favorable to equipment cost and field installation. Finally, because the single-fluid spray gun is used in the project, ammonia water compressed air is not emitted, and the requirement on the heat energy of the heating medium is further reduced. In conclusion, the ammonia water evaporation device can meet the final requirement of ammonia water evaporation, and simultaneously effectively solves the problems of high energy consumption, high cost and low efficiency of the existing ammonia water evaporator.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. An energy-saving high-efficiency ammonia water evaporation device comprises an insulating shell (1), wherein a heating medium inlet is formed in the lower part of the insulating shell, a heating medium outlet is formed in the upper part of the insulating shell, and a spray gun for spraying into the insulating shell is arranged between the insulating shell and the heating medium inlet; the method is characterized in that:
the spray gun is an ammonia water solution single-fluid spray gun (3);
the heat exchange device is characterized in that at least one group of heat exchange enhancement units (4) are arranged above the spraying position of the spray gun inside the insulating shell (1), and the heat exchange enhancement units (4) are of a multilayer tubular structure in staggered arrangement.
2. The energy-saving high-efficiency ammonia water evaporation device of claim 1, characterized in that: the part close to the heating medium inlet is provided with a heating medium inlet temperature measuring unit (2), and the part close to the heating medium outlet is provided with a heating medium outlet temperature measuring unit (5).
3. The energy-saving high-efficiency ammonia water evaporation device of claim 1, characterized in that: the ammonia water solution single-fluid spray gun (3) transversely and inwards extends to the central part of the insulating shell (1) and upwards sprays within a set angle range.
4. The energy-saving high-efficiency ammonia water evaporation device of claim 1, characterized in that: the pipes in the staggered multilayer pipe structure are parallel to each other, and the distance between every two adjacent pipes is equal.
5. The energy-saving high-efficiency ammonia water evaporation device of claim 1, characterized in that: the insulating shell (1) is cylindrical.
6. The energy-saving and high-efficiency ammonia water evaporator as set forth in claim 5, wherein: the heating medium outlet is arranged at the upper end part of the insulating shell (1), and the heating medium inlet is arranged at the lower end part of the insulating shell (1).
7. The energy-saving high-efficiency ammonia water evaporation device of claim 1, characterized in that: the multilayer tubular structure is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244017.3A CN112169361A (en) | 2020-11-10 | 2020-11-10 | Energy-saving high-efficiency ammonia water evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244017.3A CN112169361A (en) | 2020-11-10 | 2020-11-10 | Energy-saving high-efficiency ammonia water evaporation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112169361A true CN112169361A (en) | 2021-01-05 |
Family
ID=73917585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011244017.3A Pending CN112169361A (en) | 2020-11-10 | 2020-11-10 | Energy-saving high-efficiency ammonia water evaporation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112169361A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096370A (en) * | 2013-04-13 | 2014-10-15 | 郭朝军 | Multistage evaporating column used for carrying out evaporation process to salt-containing water through air |
| CN204923964U (en) * | 2015-09-22 | 2015-12-30 | 山东山大华特科技股份有限公司 | Energy -conserving dust remover of flue gas degree of depth |
| CN106145159A (en) * | 2015-04-21 | 2016-11-23 | 中材装备集团有限公司 | A kind of cement plant SCR denitration ammonia prepares ammonia system and method |
| CN206103376U (en) * | 2016-08-26 | 2017-04-19 | 杭州明锐环保技术有限公司 | Helical blade type ammonia water evaporator of low resistance |
| CN206910818U (en) * | 2017-03-03 | 2018-01-23 | 万达集团股份有限公司 | A kind of liquid ammonia evaporator and liquid ammonia evaporation system that denitration is carried out to flue gas |
| CN108706671A (en) * | 2018-08-02 | 2018-10-26 | 山东国舜建设集团有限公司 | A kind of desulfurization wastewater self-preheating type evaporation technology using sintering machine high-temperature flue gas |
| CN208229404U (en) * | 2018-01-30 | 2018-12-14 | 黄叙然 | A kind of shell and tube ammonium hydroxide vaporizer |
| CN208771178U (en) * | 2018-08-29 | 2019-04-23 | 天津普利奥能源技术发展有限公司 | A kind of hot air type ammonium hydroxide gasification burner |
| CN209060561U (en) * | 2018-10-29 | 2019-07-05 | 天津普利奥能源技术发展有限公司 | A kind of flue gas formula ammonia water evaporator |
| CN210036337U (en) * | 2019-05-09 | 2020-02-07 | 广东念智节能科技有限公司 | Tube array type optical tube evaporator |
| CN210933832U (en) * | 2019-10-22 | 2020-07-07 | 无锡市华立石化工程有限公司 | Double-heat-source evaporator |
| CN211753934U (en) * | 2019-11-26 | 2020-10-27 | 重庆和技环境检测有限公司 | Flue gas manufacturing system |
| CN213724877U (en) * | 2020-11-10 | 2021-07-20 | 上海天晓环保工程有限公司 | Energy-saving high-efficiency ammonia water evaporation device |
-
2020
- 2020-11-10 CN CN202011244017.3A patent/CN112169361A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096370A (en) * | 2013-04-13 | 2014-10-15 | 郭朝军 | Multistage evaporating column used for carrying out evaporation process to salt-containing water through air |
| CN106145159A (en) * | 2015-04-21 | 2016-11-23 | 中材装备集团有限公司 | A kind of cement plant SCR denitration ammonia prepares ammonia system and method |
| CN204923964U (en) * | 2015-09-22 | 2015-12-30 | 山东山大华特科技股份有限公司 | Energy -conserving dust remover of flue gas degree of depth |
| CN206103376U (en) * | 2016-08-26 | 2017-04-19 | 杭州明锐环保技术有限公司 | Helical blade type ammonia water evaporator of low resistance |
| CN206910818U (en) * | 2017-03-03 | 2018-01-23 | 万达集团股份有限公司 | A kind of liquid ammonia evaporator and liquid ammonia evaporation system that denitration is carried out to flue gas |
| CN208229404U (en) * | 2018-01-30 | 2018-12-14 | 黄叙然 | A kind of shell and tube ammonium hydroxide vaporizer |
| CN108706671A (en) * | 2018-08-02 | 2018-10-26 | 山东国舜建设集团有限公司 | A kind of desulfurization wastewater self-preheating type evaporation technology using sintering machine high-temperature flue gas |
| CN208771178U (en) * | 2018-08-29 | 2019-04-23 | 天津普利奥能源技术发展有限公司 | A kind of hot air type ammonium hydroxide gasification burner |
| CN209060561U (en) * | 2018-10-29 | 2019-07-05 | 天津普利奥能源技术发展有限公司 | A kind of flue gas formula ammonia water evaporator |
| CN210036337U (en) * | 2019-05-09 | 2020-02-07 | 广东念智节能科技有限公司 | Tube array type optical tube evaporator |
| CN210933832U (en) * | 2019-10-22 | 2020-07-07 | 无锡市华立石化工程有限公司 | Double-heat-source evaporator |
| CN211753934U (en) * | 2019-11-26 | 2020-10-27 | 重庆和技环境检测有限公司 | Flue gas manufacturing system |
| CN213724877U (en) * | 2020-11-10 | 2021-07-20 | 上海天晓环保工程有限公司 | Energy-saving high-efficiency ammonia water evaporation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103721538A (en) | Integrated treatment and utilizing device for recovering and denitrating smoke waste heat and condensate water of natural gas | |
| CN213724877U (en) | Energy-saving high-efficiency ammonia water evaporation device | |
| CN201443932U (en) | Detachable washable spraying ground source heat pump evaporator | |
| CN207850131U (en) | A kind of flue gas waste heat recovery apparatus | |
| CN112169361A (en) | Energy-saving high-efficiency ammonia water evaporation device | |
| CN219252200U (en) | Low-pressure melamine tail gas absorbing device | |
| CN201025431Y (en) | Recycling energy saving device for smoke residual heat | |
| CN216191191U (en) | Device for evaporating and concentrating brine in oil and gas field | |
| CN110339676A (en) | A kind of high temperature acid mist recycling system | |
| CN212274681U (en) | Tower-type condenser for hypersonic wind tunnel | |
| CN215337822U (en) | Novel closed cooling tower | |
| CN104596005A (en) | Water-saving pipe-wrapped-by-filler type evaporative cooling air-conditioning system | |
| CN212974724U (en) | Ammonia water vaporization device in denitration of hazardous waste sintering flue gas | |
| CN104329958B (en) | vertical tube falling film evaporation cooling tower | |
| CN210689282U (en) | Box water-cooling air heat exchanger of high heat exchange rate | |
| CN208177143U (en) | The pre-processing device of two-fluid spray cooling depositing dust deacidification | |
| CN220194460U (en) | Ammonia water evaporation and ammonia spraying equipment | |
| CN207913519U (en) | Denitration of boiler smoke flue low temperature urea direct-injection is pyrolyzed ammonia system processed | |
| CN212902754U (en) | Vacuum flash cooling device | |
| CN201242370Y (en) | Evaporation type heat exchanger | |
| CN217236169U (en) | Efficient water smoke formula air cooler | |
| CN215337820U (en) | Flue gas is cooled down and alkali wash device rapidly | |
| CN215388738U (en) | Novel hot-air ammonia water evaporator and novel ammonia water evaporation system | |
| CN221173104U (en) | Spray gun structure for quenching tower | |
| CN209438325U (en) | A kind of recyclable device improving Ammonia recovery efficiency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |