CN204058156U - A kind of vacuum distillation removes the device of ammonia nitrogen in waste water - Google Patents
A kind of vacuum distillation removes the device of ammonia nitrogen in waste water Download PDFInfo
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- CN204058156U CN204058156U CN201420482867.0U CN201420482867U CN204058156U CN 204058156 U CN204058156 U CN 204058156U CN 201420482867 U CN201420482867 U CN 201420482867U CN 204058156 U CN204058156 U CN 204058156U
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Abstract
The utility model relates to the device that a kind of vacuum distillation removes ammonia nitrogen in waste water, comprise ammonia nitrogen waste water distillation tower, water absorption tower, at least one dilute sulphuric acid absorption tower, be connected with vacuum pump between described ammonia nitrogen waste water distillation tower and water absorption tower, described water absorption tower is connected by gas in-service pipeline one with between dilute sulphuric acid absorption tower.It is too complicated that the utility model overcomes traditional ammonia still, the problem that cost is higher, eliminates concrete frame, stops the leakage of tower body.Decrease the use of the water yield, save the water coolant water yield, and can recycle.Reduce tower body height, run more smooth.In addition, the utility model reduces the boiling point of ammonia nitrogen waste water by vacuum pump negative pressure extraction, saves the ammonia in the process ammonia nitrogen waste water of the fast and stable more of consuming energy.By the absorption unit of the twice of water and dilute sulphuric acid or more, ensure that the ammonia of effusion can be absorbed completely, little to the ammonia nitrogen waste water water yield, the waste water that concentration is higher has good absorption treatment effect.
Description
Technical field
The utility model relates to a kind of ammonia nitrogen handling arrangement, and particularly a kind of vacuum distillation removes the device of ammonia nitrogen in waste water.
Background technology
Main with nitrate nitrogen (NO in natural terrain water and underground water
3) be main, with free ammonia (NH
3) and ammonium ion (NH
4+) ammonia nitrogen of nitrogen polluted water body that exists of form water and ammonia, also claim non-ionic ammonia.Non-ionic ammonia is the Main Factors causing hydrobiont to poison, and ammonium ion is relatively substantially nontoxic.The national standard III class surface water, the concentration≤0.02mg/L of non-ionic ammonia.Ammonia nitrogen is the nutrient substance in water body, and water eutrophication phenomenon can be caused to produce, and is the main oxygen consumption pollutent in water body, to fish and some hydrobiont toxic.
The technology of present process ammonia nitrogen reaches its maturity, and removal efficiency has also been stabilized in a quite high level, but still there are some also still open questions.The energy of the consumption of modern ammonia still is slightly high, and in tower, temperature is too high to such an extent as to higher to material requirement, and cooling water amount is larger, need to build concrete frame, invest large, long in time limit, casting tower not only equipment is heavy, and vessel flange junction is easily leaked, maintenance workload is large, and bubble-cap, grid tray treatment capacity is little, plate efficiency is low, steam consumption is large, and running cost is high, ammonia quantity in distilled ammonia wastewater at the bottom of tower usually exceeds standard, and can not meet the requirement of biochemical treatment.Again owing to containing the materials such as coke tar refuse in ammoniacal liquor, traditional bubbling type mass transfer tower disc easily blocks, and can not ensure the long-period stable operation of equipment.
Utility model content
The purpose of this utility model is: the problem that in solution prior art, complex structure, high in cost of production adopt legacy equipment to bring, provides a kind of equipment simple, and the vacuum distillation that treatment effect is good removes the device of ammonia nitrogen in waste water.
The technical scheme realizing the utility model object is: a kind of vacuum distillation removes the device of ammonia nitrogen in waste water, comprise ammonia nitrogen waste water distillation tower, water absorption tower, at least one dilute sulphuric acid absorption tower, vacuum pump is connected with between described ammonia nitrogen waste water distillation tower and water absorption tower, described water absorption tower is connected by gas in-service pipeline one with between dilute sulphuric acid absorption tower, the utility model reduces the boiling point of ammonia nitrogen waste water by vacuum pump negative pressure extraction, save energy consumption, and then can ammonia in the process ammonia nitrogen waste water of fast and stable more;
Described ammonia nitrogen waste water distillation tower bottom is waste water heating region, bottom is fixed with heating unit, such as electrical heating wire, middle part is packing layer one, top is fixed with liquid mist separator one, top is gas in-service pipeline two, and gas in-service pipeline two is connected with vacuum pump through water condenser, and ammonia nitrogen waste water distillation tower outside is provided with wastewater circulation device
Bottom, described water absorption tower is ammonia nitrogen absorption water, and middle part is fixed with packing layer two, and top is fixed with liquid mist separator two, and top is gas in-service pipeline one, and the outside on described absorption tower is provided with water circle device;
Bottom, described dilute sulphuric acid absorption tower is ammonia nitrogen absorption dilute sulphuric acid, and middle part is fixed with packing layer three, and top is fixed with liquid mist separator three, and top is air scavenge conduit, and the outside on described dilute sulphuric acid absorption tower is provided with dilute sulphuric acid circulation device;
Described wastewater circulation device comprises water circulating pump one, atomizer one and connecting tube, this device from bottom tower body through water circulating pump one by between waste water pump to the liquid mist separator one and packing layer one of tower body middle and upper part, and from atomizer one spray and go out; By water circulating pump, atomizer, and packing layer, increase contact area, and the efficiency of the ammonia still process made further promotes.
Described water circle device comprises water circulating pump two, atomizer two and connecting tube, and circulation device through water circulating pump two, pumps water between the liquid mist separator two of tower body middle and upper part and packing layer two bottom tower body, and sprays from atomizer two and go out;
Described dilute sulphuric acid circulation device comprises water circulating pump three, atomizer three and connecting tube, this device from bottom tower body through water circulating pump three by between dilute sulfuric acid pump to the liquid mist separator three and packing layer three of tower body middle and upper part, and from atomizer three spray and go out;
The bottom of the tower body of described ammonia nitrogen waste water distillation tower offers temperature detection mouth; More than described packing layer less than one, waste water heating region offer pressure detection mouth.
The tower body bottom of described ammonia nitrogen waste water distillation tower, is positioned at below heating unit and is provided with ultrasonator, adopts ultrasonator, and strengthen heating surface area, heat transfer efficiency is higher, is more conducive to the spilling of ammonia.
The tower body on described ammonia nitrogen waste water distillation tower, water absorption tower, dilute sulphuric acid absorption tower is stainless steel column tower body, and is highly less than 2 meters.
Thief hole and leakage fluid dram is all offered bottom described ammonia nitrogen waste water distillation tower, water absorption tower and dilute sulphuric acid absorption tower.
In addition, in order to strengthen the assimilation effect of ammonia nitrogen further, one or more dilute sulphuric acid absorption tower can be increased again.
Ammonia still principle of work is: adopt general thermophore water vapor as termite, the equilibrium vapour pressure of ammonia on recirculated water liquid level is made to be greater than the dividing potential drop of ammonia in thermal barrier, vehicle repair major counter current contact, carry out mass-and heat-transfer, thus ammonia is discharged gradually from recirculated water, obtain the mixture of ammonia steam and water vapor at tower top, at the bottom of tower, obtain purer recirculated water.The object adding alkali source makes solid ammonium-salt be converted into volatilization ammonium salt.
The utility model has positive effect: it is too complicated that (1) overcomes traditional ammonia still, the problem that cost is higher, and one-piece construction eliminates concrete frame, can stop the leakage of tower body simultaneously.(2) decrease the use of the water yield, save the water coolant water yield, and can recycle.(3) reduce tower body height, and the problem because of the voluminous raw blocking of number of trays in tower no longer occurs, runs more smooth.A certain amount of ammoniacal liquor can be reclaimed and carry out reuse.(4) have employed ultra-sonic oscillation technology makes efficiency have a lifting clearly.(5) the utility model reduces the boiling point of ammonia nitrogen waste water by vacuum pump negative pressure extraction, saves energy consumption, and then can ammonia in the process ammonia nitrogen waste water of fast and stable more.(6) by the absorption unit of the twice of water and dilute sulphuric acid or more, ensure that the ammonia of effusion can be absorbed completely, this equipment is little to the ammonia nitrogen waste water water yield, and the waste water that concentration is higher has good absorption treatment effect.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is structural representation of the present utility model.
Wherein, 10 ammonia nitrogen waste water distillation towers, 11 heating units, 12 packing layer one, 13 liquid mist separators one, 14 gas in-service pipeline two, 15 water condensers, 16 wastewater circulation devices, 161 water circulating pumps one, 162 atomizer one, 17 temperature detection mouths, 18 pressure detection mouths, 19 ultrasonators;
20 water absorption towers, 21 ammonia nitrogen absorption water, 22 packing layer two, 23 liquid mist separator two, 24 water circle devices, 241 water circulating pump two, 242 atomizers two;
30 dilute sulphuric acid absorption towers, 31 ammonia nitrogen absorption dilute sulphuric acids, 32 packing layer three, 33 liquid mist separator three, 34 air scavenge conduit, 35 dilute sulphuric acid circulation devices, 351 water circulating pump three, 352 atomizers three;
40 vacuum pumps, 50 gas in-service pipelines one.
Embodiment
(embodiment 1)
See that a kind of vacuum distillation of Fig. 1 removes the device of ammonia nitrogen in waste water, be made up of ammonia nitrogen waste water distillation tower 10, water absorption tower 20, dilute sulphuric acid absorption tower 30, vacuum pump 40, ammonia nitrogen waste water distillation tower 10 and vacuum pump 40, connect between vacuum pump 40 Yue Shui absorption tower 20, water absorption tower 20 is connected by gas in-service pipeline 1 with dilute sulphuric acid absorption tower 30 again, and aforementioned connection is the through connection of pipeline; The tower body on ammonia nitrogen waste water distillation tower 10, water absorption tower 20, dilute sulphuric acid absorption tower 30 is stainless steel column tower body, and is highly less than 2 meters, and bottom all offers thief hole and leakage fluid dram;
Ammonia nitrogen waste water distillation tower 10 bottom is waste water heating region, waste water is added into this region, the bottom of distillation tower 10 is fixed with heating unit 11 i.e. electrical heating wire, middle part is packing layer 1, top is fixed with liquid mist separator 1, top is communicated with gas in-service pipeline 2 14, and gas in-service pipeline 2 14 is connected with vacuum pump 40 through water condenser 15, and ammonia nitrogen waste water distillation tower 10 outside is provided with wastewater circulation device 16; Wastewater circulation device 16 is made up of water circulating pump 1, atomizer 1 and connecting tube, this device from bottom tower body through water circulating pump 1 by between waste water pump to the liquid mist separator 1 and packing layer 1 of tower body middle and upper part, and from atomizer 1 spray and go out;
The bottom of the tower body of ammonia nitrogen waste water distillation tower 10 offers temperature detection mouth 17; More than packing layer less than one 12, waste water heating region offer pressure detection mouth 18;
The tower body bottom of ammonia nitrogen waste water distillation tower 10, is positioned at heating unit less than 11 and is provided with ultrasonator 119.
Bottom, water absorption tower 20 is that ammonia nitrogen absorbs water 21, and middle part is fixed with packing layer 2 22, and top is fixed with liquid mist separator 2 23, top through connection gas in-service pipeline 1, and the outside on absorption tower 20 is provided with water circle device 24; Water circle device 24 is made up of water circulating pump 2 241, atomizer 2 242 and connecting tube, circulation device pumps water between the liquid mist separator 2 23 of tower body middle and upper part and packing layer 2 22 through water circulating pump 2 241 bottom tower body, and sprays from atomizer 2 242 and go out;
Bottom, dilute sulphuric acid absorption tower 30 is that ammonia nitrogen absorbs dilute sulphuric acid 31, and middle part is fixed with packing layer 3 32, and top is fixed with liquid mist separator 3 33, the through connection air scavenge conduit 34 in top, and the outside on dilute sulphuric acid absorption tower 30 is provided with dilute sulphuric acid circulation device 35; Dilute sulphuric acid circulation device 35 is made up of water circulating pump 3 351, atomizer 3 352 and connecting tube, this device from bottom tower body through water circulating pump 3 351 by between dilute sulfuric acid pump to the liquid mist separator 3 33 and packing layer 3 32 of tower body middle and upper part, and from atomizer 3 352 spray and go out;
The thief hole on ammonia nitrogen waste water distillation tower 10, water absorption tower 20, dilute sulphuric acid absorption tower 30 and leakage fluid dram are used for the concentration of periodic monitor waste water, ammonia nitrogen absorption water and ammonia nitrogen absorption dilute sulphuric acid, when reaching prescribed concentration, discharged by leakage fluid dram, discharge or reuse.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a vacuum distillation removes the device of ammonia nitrogen in waste water, it is characterized in that: comprise ammonia nitrogen waste water distillation tower (10), water absorption tower (20), at least one dilute sulphuric acid absorption tower (30), be connected with vacuum pump (40) between described ammonia nitrogen waste water distillation tower (10) and water absorption tower (20), described water absorption tower (20) is connected by gas in-service pipeline one (50) with between dilute sulphuric acid absorption tower (30);
Described ammonia nitrogen waste water distillation tower (10) bottom is waste water heating region, bottom is fixed with heating unit (11), middle part is packing layer one (12), top is fixed with liquid mist separator one (13), top is gas in-service pipeline two (14), gas in-service pipeline two (14) is connected with vacuum pump (40) through water condenser (15), and ammonia nitrogen waste water distillation tower (10) outside is provided with wastewater circulation device (16);
Described water absorption tower (20) bottom is ammonia nitrogen absorption water (21), middle part is fixed with packing layer two (22), top is fixed with liquid mist separator two (23), top is gas in-service pipeline one (50), and the outside of described absorption tower (20) is provided with water circle device (24);
Described dilute sulphuric acid absorption tower (30) bottom is ammonia nitrogen absorption dilute sulphuric acid (31), middle part is fixed with packing layer three (32), top is fixed with liquid mist separator three (33), top is air scavenge conduit (34), and the outside of described dilute sulphuric acid absorption tower (30) is provided with dilute sulphuric acid circulation device (35).
2. vacuum distillation according to claim 1 removes the device of ammonia nitrogen in waste water, it is characterized in that: the bottom of the tower body of described ammonia nitrogen waste water distillation tower (10) offers temperature detection mouth (17); Described packing layer one (12) below, more than waste water heating region offer pressure detection mouth (18).
3. vacuum distillation according to claim 1 removes the device of ammonia nitrogen in waste water, it is characterized in that: the tower body bottom of described ammonia nitrogen waste water distillation tower (10), be positioned at heating unit (11) below, ultrasonator (19) is installed.
4. the vacuum distillation according to claim 1 or 2 or 3 removes the device of ammonia nitrogen in waste water, it is characterized in that: described ammonia nitrogen waste water distillation tower (10), water absorption tower (20) and dilute sulphuric acid absorption tower (30) bottom all offer thief hole and leakage fluid dram.
5. the vacuum distillation according to claim 1 or 2 or 3 removes the device of ammonia nitrogen in waste water, it is characterized in that: the tower body of described ammonia nitrogen waste water distillation tower (10), water absorption tower (20), dilute sulphuric acid absorption tower (30) is stainless steel column tower body, and is highly less than 2 meters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482867.0U CN204058156U (en) | 2014-08-25 | 2014-08-25 | A kind of vacuum distillation removes the device of ammonia nitrogen in waste water |
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| CN201420482867.0U CN204058156U (en) | 2014-08-25 | 2014-08-25 | A kind of vacuum distillation removes the device of ammonia nitrogen in waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876503A (en) * | 2019-02-19 | 2019-06-14 | 安徽富通环保节能科技股份有限公司 | A kind of country sewage concentrates vacuum collecting cleaning equipment and its control system |
| CN114588646A (en) * | 2021-03-26 | 2022-06-07 | 江苏御镐智能制造有限公司 | Waste acid concentration treatment tower |
-
2014
- 2014-08-25 CN CN201420482867.0U patent/CN204058156U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876503A (en) * | 2019-02-19 | 2019-06-14 | 安徽富通环保节能科技股份有限公司 | A kind of country sewage concentrates vacuum collecting cleaning equipment and its control system |
| CN109876503B (en) * | 2019-02-19 | 2021-03-02 | 安徽富通环保节能科技股份有限公司 | Rural sewage concentrates vacuum collection clarification plant and control system thereof |
| CN114588646A (en) * | 2021-03-26 | 2022-06-07 | 江苏御镐智能制造有限公司 | Waste acid concentration treatment tower |
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