CN201713348U - Distillation device for ammonia recovery - Google Patents
Distillation device for ammonia recovery Download PDFInfo
- Publication number
- CN201713348U CN201713348U CN2010201492960U CN201020149296U CN201713348U CN 201713348 U CN201713348 U CN 201713348U CN 2010201492960 U CN2010201492960 U CN 2010201492960U CN 201020149296 U CN201020149296 U CN 201020149296U CN 201713348 U CN201713348 U CN 201713348U
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- ammonia
- steam
- water
- liquid
- distilling apparatus
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Abstract
The utility model discloses a distillation device for ammonia recovery, which comprises a distillation tower, a preheater and a cooler from top to bottom. A deamination liquid outlet and a liquid inlet are formed at the bottom and the upper side wall of the distillation tower, an ammonia-containing liquid inlet and an ammonia-containing liquid outlet are formed on the side wall of the preheater, an ammonia gas outlet is formed at the top of the cooler, and the ammonia-containing liquid outlet is connected with the liquid inlet through a pipeline. The distillation device for ammonia recovery has the characteristics of compact structure, less investment, high separation efficiency, high ammonia gas concentration, high heat utilization efficiency, low pressure drop, small liquid hold-up quantity, simple operation, stable operation, high practicality, and easy generalization.
Description
Technical field
The utility model belongs to heat exchange and distillation technique field, relates in particular to a kind of to containing the water distilling apparatus that ammonia reclaims that is used for that the ammonia trade effluent carries out environmental protection treatment.
Background technology
Water distilling apparatus is to carry out one of visual plant of ammonia recycling to containing the ammonia trade effluent, one of effect of water distilling apparatus is that the ammonia trade effluent is carried out environmental protection treatment, to reach the purpose that reduces emission intensity, two of effect is that the ammonia in the ammonia trade effluent is reclaimed, and utilizes to realize industry again.
Traditional ammonia water distilling apparatus is material filling type distillation tower or plate tower, need dispose interchanger separately, exists that technical process length, complicated operation, space hold are many, drawback such as process system and construction investment are big; A large amount of water vapors and ammonia steam jointly in still-process, have the drawback that ammonia concentration is low, water content is big, thermosteresis is many, steam consumption is high, the heat energy utilization rate is low; The steam distributor of tradition ammonia water distilling apparatus inside mostly is the single vapour pipe of perforate, has the uneven drawback of steam distribution, and the bias current phenomenon often appears in steam in filler, cause the gas-liquid two-phase contact insufficient, rate of heat transfer is little, and mass transfer effect is poor, and distillation efficiency is low; The liquid collecting sparger of tradition ammonia water distilling apparatus inside mostly is split type, liquid header and liquid distributor split are provided with, liquid distributor mostly is the calandria sparger that has pipe core or has the multistage groove type distributor of pipe core, and existence takes up room greatly, the capacity utilization of device is low, the uneven drawback of liquid distribution when device is shaken by wind loading.
The utility model content
The utility model is in order to solve weak point of the prior art, provide that a kind of technical process is short, simple to operate, compact construction, separation efficiency height, pressure drop is little, liquid holdup is little, stable, reduced investment be used for the water distilling apparatus that ammonia reclaims.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of water distilling apparatus that is used for the ammonia recovery, its inside is provided with distillation tower, preheater and water cooler from bottom to top successively, distillation tower bottom and upper portion side wall are respectively equipped with outlet of deamination liquid and fluid inlet, the preheater sidewall is provided with and contains the ammoniacal liquor import and contain the ammoniacal liquor outlet, the water cooler top is provided with ammonia outlet, contains the ammoniacal liquor outlet and passes through pipe connection with fluid inlet.
Be provided with liquid storing section, distilling period and rectifying section in the described distillation tower from bottom to top successively, the liquid storing section upper level is provided with steam distributor, the steam distributor outer end is provided with steam inlet, distilling period and rectifying section are provided with filler and liquid collecting sparger from bottom to top respectively successively, and fluid inlet is located between distilling period and the rectifying section.
Described steam distributor comprises a horizontally disposed main steam header, and the main steam header both sides are equipped with the steam branch pipe that is communicated with it, is equipped with several steam holes on main steam header and the steam branch pipe, the axially incline setting of steam hole.
Described liquid collecting sparger comprises the two layers of support board that horizontal cross is provided with, two layers of support board is fixedly connected by the liquid collecting ring, upper strata back up pad and lower layer support plate top level respectively vertically are provided with some receiving tanks and distributing slot, be provided with the collector tube of fixedlying connected with the liquid collecting ring in two ends between the two layers of support board, the collector tube bottom is provided with distribution pipe, the distribution pipe lower end is inserted in the distributing slot, and the distributing slot bottom is provided with liquid distributing hole.
Described water cooler lower sides and upper portion side wall are respectively equipped with recirculated cooling water import and recirculated cooling water outlet.
Be provided with brachymemma joint between described preheater and the water cooler.
Distilling period and rectifying section quantity in the described distillation tower are at least one.
Be respectively equipped with manhole in liquid storing section, distilling period, rectifying section, preheater, water cooler position on the described water distilling apparatus sidewall.
Described preheater and water cooler inside vertically are provided with heat transfer tube respectively.
Adopt technique scheme, can reach following beneficial effect:
1, preheater, water cooler and distillation tower are combined into one, reasonable in design, compact construction, simple to operate, conserve space, can be in less space the layout of implement device, equipment is intensive, reduce the length of technology ammonia pipe arrangement, reduce the investment of process system and civil engineering.
2, preheater is arranged on the distillation tower top, before entering distillation tower, carry out pre-heating temperature elevation to containing the ammonia trade effluent, it is the rectifying section of liquid return to distillation tower that the ammonia that contains water vapor that distills rising is cooled off the water vapor condensation that makes in the ammonia, it is low to solve ammonia concentration, the drawback that water content is big, reduce the content of water vapor in the ammonia, improve ammonia concentration, can reclaim simultaneously the heat of ammonia still-process, reduce high temperature service and the aerial area of exposed tube, effectively reduce thermosteresis, reduce the consumption of steam, improve the heat energy utilization rate.
3, changed the structure of steam distributor, steam hole medullary ray and plummet angle are in 30～70 ° of scopes, and perforate quantity is a plurality of, arrange that evenly the hole equivalent diameter is in 4～20mm scope; Steam enters distillation tower from the steam hole injection under differential pressure action, under jetting action, form circulation, make vapor mixing even, steam evenly rises and enters filler inside, guarantee that the bias current phenomenon does not appear in steam in filler, make the gas-liquid two-phase full contact, rate of heat transfer is big, mass transfer effect is good, the distillation efficiency height.
4, liquid header and liquid distributor are combined into one, liquid distributor is changed into slot type by the pore formula, be provided with receiving tank, collector tube, liquid collecting ring, distribution pipe, distributing slot; Receiving tank is a plurality of, horizontally, evenly arranges; Collector tube is below receiving tank, and collector tube quantity is (to contain one) more than one, horizontally, evenly arranges; Collector tube is communicated with the liquid collecting ring, and the collector tube bottom is provided with distribution pipe, and distribution pipe is a plurality of, and arranged vertical arranges that evenly the length of distribution pipe is in 100～400mm scope; Distributing slot is below distribution pipe, the distribution pipe lower end mouth of pipe and distributing slot bottom land are provided with certain distance, this distance is in 20～80mm scope, liquid still can be evenly distributed when guaranteeing that device is shaken by wind loading, and distributing slot is a plurality of, horizontally, evenly arrange, the bottom of distributing slot is provided with a plurality of distributions hole, arranges that evenly the hole equivalent diameter is in 4～20mm scope.The liquid that receiving tank is collected enters the liquid collecting ring, enters collector tube by the collector tube two ends, enters distribution pipe by collector tube, enters distributing slot by distribution pipe, enters filler by liquid distributing hole.The pipe core form of cancellation calandria sparger or multistage groove type distributor, change evenly distributed a plurality of distribution pipes into, change long pipe core into short distribution pipe, reduced the spatial altitude of traditional liquid sparger, liquid header and liquid distributor are combined into one, changed the structure of traditional liquid sparger, changed the distribution of liquid mode, take up room capacity utilization height, the device of little, rational in infrastructure, device when shaken by wind loading liquid distribution even, effectively reduce the height of distillation tower simultaneously, reduced cost of manufacture.
5, adopt cold water to enter water cooler inside, discharge by cooling water outlet again, recycle by entrance of cooling water.
6, pipe nipple, distilling period and rectifying quantity are at least one, increase distillation, rectifying and refrigerative process time, help to improve the efficient that ammonia reclaims.
7, manhole is used for checking the water distilling apparatus inner case, the loading and unloading filler, and overhaul.
The utility model has solved that technical process length, complicated operation, space hold are many, process system and the big drawback of construction investment, solved the drawback that ammonia concentration is low, water content is big, steam consumption is high, the heat energy utilization rate is low, solve the uneven drawback of steam distribution, avoid steam the bias current phenomenon in filler, to occur, solved low, the uneven drawback of liquid distribution when device is shaken by wind loading of the capacity utilization that the liquid collecting sparger takes up room greatly, installs.Guarantee that technical process is short, simple to operate, conserve space, can be in less space the layout of implement device, reduce the investment of process system and civil engineering; Ammonia concentration height, the water content of guaranteeing device is little, thermosteresis is few, heat energy utilization rate height, steam consumption are low, guarantee that steam distribution is even, the bias current phenomenon does not appear in steam in filler, make the gas-liquid two-phase full contact, rate of heat transfer is big, mass transfer effect is good, the distillation efficiency height, guarantee the liquid collecting sparger take up room capacity utilization height, the device of little, device when shaken by wind loading liquid distribution even.The utility model possesses compact construction, reduced investment, separation efficiency height, ammonia concentration height, heat energy utilization rate height, pressure drop is little, liquid holdup is little, simple to operate, stable characteristics, and is practical, is easy to apply.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the front view of steam distributor in the middle of the utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the front view of liquid collecting sparger in the middle of the utility model;
Fig. 5 is the vertical view of Fig. 4.
Embodiment
As Fig. 1～shown in Figure 5, a kind of water distilling apparatus that ammonia reclaims that is used for of the present utility model, its inside is provided with distillation tower 1, preheater 15 and water cooler 10 from bottom to top successively, is provided with brachymemma joint 9 between preheater 15 and the water cooler 10.Distillation tower 1 bottom and upper portion side wall are respectively equipped with outlet 20 of deamination liquid and fluid inlet 6, preheater 15 sidewalls are provided with and contain ammoniacal liquor import 16 and contain ammoniacal liquor outlet 8, water cooler 10 tops are provided with ammonia outlet 12, water cooler 10 bottoms and upper portion side wall are respectively equipped with recirculated cooling water import 13 and recirculated cooling water outlet 11, preheater 15 and water cooler 10 inside vertically are provided with some heat transfer tubes 32 respectively, contain ammoniacal liquor outlet 8 and are connected by pipeline 7 with fluid inlet 6.
(quantity of distilling period shown in Fig. 1 18 and rectifying section 17 is at least one to be provided with liquid storing section 2, distilling period 18 and rectifying section 17 in the distillation tower 1 from bottom to top successively, certainly be a plurality of), liquid storing section 2 upper levels are provided with steam distributor 3, steam distributor 3 outer ends are provided with steam inlet 19, distilling period 18 and rectifying section 17 are provided with filler 4 and liquid collecting sparger 5 from bottom to top respectively successively, and fluid inlet 6 is located between distilling period 18 and the rectifying section 17.Be respectively equipped with manhole 14 in liquid storing section 2, distilling period 18, rectifying section 17, preheater 15, water cooler 10 positions on the water distilling apparatus sidewall.
When work is used, industrial steam enters steam distributor 3 by steam inlet 19, enter the main steam header 21 of steam distributor 3 successively, steam branch pipe 22, steam hole 23, steam enters liquid storing section 2 upper spaces from steam hole 23 injections under differential pressure action, under jetting action, form circulation, make vapor mixing even, steam evenly rises and enters filler 4 inside of distilling period 2, upwards the gap of the liquid collecting sparger 5 by distilling period 2 enters the filler 4 of rectifying section 17, upwards the liquid collecting sparger 5 by rectifying section 17 enters in the pipe of heat transfer tube 32 of preheater 15, with heat transfer tube 32 pipe outer carry out heat exchange by containing the ammonia trade effluent that contains that ammoniacal liquor import 16 enters preheater 15, steam is cooled in the pipe of heat transfer tube 32 and becomes liquid phlegma by gaseous state, phlegma flows downward along the inside pipe wall of heat transfer tube 32, pass through the receiving tank 24 of the liquid collecting sparger 5 of rectifying section 17 downwards successively, liquid collecting ring 27, collector tube 26, distribution pipe 28, distributing slot 29, liquid distributing hole 31, the filler 4 of rectifying section 17, the receiving tank 24 of the liquid collecting sparger 5 of distilling period 2, liquid collecting ring 27, collector tube 26, distribution pipe 28, distributing slot 29, liquid distributing hole 31, the filler 4 of distilling period 2, the gap of steam distributor 3 enters the bottom of liquid storing section 2, is discharged by deamination liquid outlet 20.Contain the ammonia trade effluent and carry out heat exchange by the steam that contains in the pipe of heat transfer tube 32 that ammoniacal liquor import 16 enters the outer and preheater 15 of heat transfer tube 32 pipe of preheater 15, containing the ammonia trade effluent is heated, by containing ammoniacal liquor outlet 8 successively by pipeline 7, fluid inlet 6 enters the liquid collecting ring 27 of the liquid collecting sparger 5 of distilling period 2, successively by collector tube 26, distribution pipe 28, distributing slot 29, liquid distributing hole 31, enter the filler 4 of distilling period 2, at filler 4 surfaces and the steam heat-exchanging that rises along filler 4 surfaces, contain the ammonia trade effluent and be divided into two-way, one the tunnel is ammonia, ammonia is overflowed from liquid, rise with steam, rise by preheater 15, steam is cooled and becomes liquid state by gaseous state and flow downward, and ammonia continues to rise, and enters by pipe nipple 9 in the pipe of heat transfer tube 32 of water cooler 10, the recirculated cooling water that by recirculated cooling water import 13 enter water cooler 10 outer with heat transfer tube 32 pipe carries out heat exchange, ammonia is cooled, and is discharged by ammonia outlet 12, and recirculated cooling water is discharged by recirculated cooling water outlet 11; Another road is a deamination liquid, converges with the steam condensate that flows downward along filler 4 surfaces on filler 4 surfaces of distilling period 2, is finally discharged by deamination liquid outlet 20.
Claims (9)
1. one kind is used for the water distilling apparatus that ammonia reclaims, it is characterized in that: its inside is provided with distillation tower, preheater and water cooler from bottom to top successively, distillation tower bottom and upper portion side wall are respectively equipped with outlet of deamination liquid and fluid inlet, the preheater sidewall is provided with and contains the ammoniacal liquor import and contain the ammoniacal liquor outlet, the water cooler top is provided with ammonia outlet, contains the ammoniacal liquor outlet and passes through pipe connection with fluid inlet.
2. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 1, it is characterized in that: be provided with liquid storing section, distilling period and rectifying section in the described distillation tower from bottom to top successively, the liquid storing section upper level is provided with steam distributor, the steam distributor outer end is provided with steam inlet, distilling period and rectifying section are provided with filler and liquid collecting sparger from bottom to top respectively successively, and fluid inlet is located between distilling period and the rectifying section.
3. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 2, it is characterized in that: described steam distributor comprises a horizontally disposed main steam header, the main steam header both sides are equipped with the steam branch pipe that is communicated with it, be equipped with several steam holes on main steam header and the steam branch pipe, the axially incline setting of steam hole.
4. according to claim 2 or 3 described a kind of water distilling apparatus that ammonia reclaims that are used for, it is characterized in that: described liquid collecting sparger comprises the two layers of support board that horizontal cross is provided with, two layers of support board is fixedly connected by the liquid collecting ring, upper strata back up pad and lower layer support plate top level respectively vertically are provided with some receiving tanks and distributing slot, be provided with the collector tube of fixedlying connected with the liquid collecting ring in two ends between the two layers of support board, the collector tube bottom is provided with distribution pipe, the distribution pipe lower end is inserted in the distributing slot, and the distributing slot bottom is provided with liquid distributing hole.
5. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 4 is characterized in that: described water cooler lower sides and upper portion side wall are respectively equipped with recirculated cooling water import and recirculated cooling water outlet.
6. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 5 is characterized in that: be provided with brachymemma joint between described preheater and the water cooler.
7. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 6, it is characterized in that: distilling period and rectifying section quantity in the described distillation tower are at least one.
8. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 7 is characterized in that: be respectively equipped with manhole in liquid storing section, distilling period, rectifying section, preheater, water cooler position on the described water distilling apparatus sidewall.
9. a kind of water distilling apparatus that ammonia reclaims that is used for according to claim 8, it is characterized in that: described preheater and water cooler inside vertically are provided with heat transfer tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492960U CN201713348U (en) | 2010-04-02 | 2010-04-02 | Distillation device for ammonia recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201492960U CN201713348U (en) | 2010-04-02 | 2010-04-02 | Distillation device for ammonia recovery |
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| Publication Number | Publication Date |
|---|---|
| CN201713348U true CN201713348U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201492960U Expired - Fee Related CN201713348U (en) | 2010-04-02 | 2010-04-02 | Distillation device for ammonia recovery |
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| CN (1) | CN201713348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062816A1 (en) * | 2017-09-29 | 2019-04-04 | 晨光生物科技集团股份有限公司 | Continuous distillation process |
| CN110559980A (en) * | 2019-09-12 | 2019-12-13 | 天津市天屹化工技术开发有限公司 | High-efficient combination filler device |
| CN113281107A (en) * | 2021-04-12 | 2021-08-20 | 玉屏侗族自治县环境监测站 | Multi-parameter analysis sample retention device |
-
2010
- 2010-04-02 CN CN2010201492960U patent/CN201713348U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062816A1 (en) * | 2017-09-29 | 2019-04-04 | 晨光生物科技集团股份有限公司 | Continuous distillation process |
| US11505764B2 (en) | 2017-09-29 | 2022-11-22 | Chenguang Biotech Group Co., Ltd | Continuous distillation process |
| CN110559980A (en) * | 2019-09-12 | 2019-12-13 | 天津市天屹化工技术开发有限公司 | High-efficient combination filler device |
| CN113281107A (en) * | 2021-04-12 | 2021-08-20 | 玉屏侗族自治县环境监测站 | Multi-parameter analysis sample retention device |
| CN113281107B (en) * | 2021-04-12 | 2023-06-02 | 玉屏侗族自治县环境监测站 | Multi-parameter analysis sample reserving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 462400 south side of Renmin East Road, Wuyang County, Henan Co-patentee after: Henan Jinshan Chemical Equipment Co., Ltd. Patentee after: Zhang Zhiguang Address before: 462400 south side of Renmin East Road, Wuyang County, Henan Co-patentee before: Luohe Xinyu Chemical Industry Equipment Co., Ltd. Patentee before: Zhang Zhiguang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |