CN208471800U - A kind of low-temperature oxidation denitration mother liquor concentrations system - Google Patents
A kind of low-temperature oxidation denitration mother liquor concentrations system Download PDFInfo
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- CN208471800U CN208471800U CN201821098167.6U CN201821098167U CN208471800U CN 208471800 U CN208471800 U CN 208471800U CN 201821098167 U CN201821098167 U CN 201821098167U CN 208471800 U CN208471800 U CN 208471800U
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- mother liquor
- oxidation
- denitration mother
- denitration
- concentration
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Abstract
The utility model discloses a kind of low-temperature oxidation denitration mother liquor concentrations systems, including circulatory pool, heat exchanger, cooling tower, other filter, concentration tower and the evaporation tank being sequentially communicated.Heat exchanger heats oxidation and denitration mother liquor, convenient for improving the water evaporation rate of the oxidation and denitration mother liquor in subsequent cooling tower, with the evaporation of moisture, in oxidation and denitration mother liquor with cooling and moisture evaporate, it can precipitate crystal, therefore other filter is filtered the slag in the crystal and script mother liquor of precipitation.The liquid obtained after filtering is evaporated in evaporation tank, then obtains the mixture of sodium nitrite and sodium nitrate, so that the concentration extraction of oxidation and denitration mother liquor is completed, to avoid environmental pollution caused by direct emission oxidation and denitration mother liquor.
Description
Technical field
The utility model relates to environment protection fields, and in particular to a kind of low-temperature oxidation denitration mother liquor concentrations system.
Background technique
Institute's zoic necessary nutrient when nitrogen, existence, continuity and the development of any biology all be unable to do without nitrogen.It is raw
Object effect can make nitrogen mutual inversion of phases between each valence state, this just constitutes Nitrogen Cycling.But there are the mankind movable
Region, the serious interference that Nitrogen Cycling receives, then causes Nitrogen Cycling unbalance, leads to intermediate accumulation, cause nitrogen
Pollution.The nitrogenouz wastes especially generated in plant produced needs to handle it, so that ability after its meet the requirement of environmental protection
It is discharged.In some generation production, this waste liquid of oxidation and denitration mother liquor can be generated, oxidation and denitration mother liquor main component is nitric acid
Salt and nitrite are pollution sources, cannot arbitrarily be discharged, but its concentration extraction is all highly difficult.
Utility model content
The utility model aim is to provide a kind of low-temperature oxidation denitration mother liquor concentrations system, solution oxidation and denitration mother liquor master
Wanting ingredient is NO3-N and NO2-N, is pollution source, cannot arbitrarily discharge, but its concentration extraction is all highly difficult
Problem.
The utility model is achieved through the following technical solutions:
A kind of low-temperature oxidation denitration mother liquor concentrations system, including the circulatory pool, heat exchanger, cooling tower, other filter being sequentially communicated
Machine, concentration tower and evaporation tank, the oxidation and denitration mother liquor main component are NO3-N and NO2-N, the oxidation and denitration mother liquor
Into circulatory pool, and enter heat exchanger under the drive of the first water pump, the heat exchanger is female to the oxidation and denitration from circulatory pool
Liquid is heated, and the oxidation and denitration mother liquor being heated is sent into cooling tower, the cooling tower pair under the action of the second water pump
Oxidation and denitration mother liquor from heat exchanger carries out cooling down, and oxidation and denitration mother liquor is concentrated by evaporation in cooling tower, and in third
The oxidation and denitration mother liquor after concentration is sent into other filter under the action of water pump and filters grain slag, it will be other under the action of four water pumps
It obtains liquid feeding concentration tower after filter filtering to be concentrated, after tower concentration will be concentrated after concentration under the action of five water pumps
Obtained liquid is sent into evaporation tank, and the concentrated liquid from concentration tower is evaporated by the evaporation tank.
Heat exchanger heats oxidation and denitration mother liquor, steams convenient for improving the moisture of the oxidation and denitration mother liquor in subsequent cooling tower
Speed is sent out, with the evaporation of moisture, evaporating with cooling and moisture in oxidation and denitration mother liquor can be precipitated crystal, therefore other
Filter is filtered the slag in the crystal and script mother liquor of precipitation.The liquid obtained after filtering is steamed in evaporation tank
It is dry, the mixture of sodium nitrite and sodium nitrate is then obtained, so that the concentration extraction of oxidation and denitration mother liquor is completed, to avoid direct
Discharge environmental pollution caused by oxidation and denitration mother liquor.
The utility model compared with prior art, has the following advantages and benefits:
A kind of low-temperature oxidation denitration mother liquor concentrations system of the utility model, by mother liquor carry out heating and repeatedly it is dense
Contracting, then to complete the concentration extraction of oxidation and denitration mother liquor, to avoid the dirt of environment caused by direct emission oxidation and denitration mother liquor
Dye.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Label and corresponding parts title in attached drawing:
The first water pump of 1-, the second water pump of 2-, 3- third water pump, the 4th water pump of 4-, the 5th water pump of 5-.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of low-temperature oxidation denitration mother liquor concentrations system of the utility model, including the circulation being sequentially communicated
Pond, heat exchanger, cooling tower, other filter, concentration tower and evaporation tank, the oxidation and denitration mother liquor main component are nitrate and nitrous
Hydrochlorate, the oxidation and denitration mother liquor enter circulatory pool, and enter heat exchanger, the heat exchanger pair under the drive of the first water pump 1
Oxidation and denitration mother liquor from circulatory pool is heated, and the oxidation and denitration mother liquor that will be heated under the action of the second water pump 2
It is sent into cooling tower, the cooling tower carries out cooling down to the oxidation and denitration mother liquor from heat exchanger, and oxidation and denitration mother liquor is cool
It is concentrated by evaporation in water tower, and the oxidation and denitration mother liquor after concentration is sent into other filter under the action of third water pump 3 and filters grain slag,
It obtains liquid feeding concentration tower after being filtered by other filter under the action of the 4th water pump 4 to be concentrated, in the 5th water after concentration
It will be concentrated obtained liquid after tower concentration under the action of pump 5 and be sent into evaporation tank, the evaporation tank is by the concentration from concentration tower
Liquid is evaporated.
Heat exchanger heats oxidation and denitration mother liquor, steams convenient for improving the moisture of the oxidation and denitration mother liquor in subsequent cooling tower
Speed is sent out, with the evaporation of moisture, evaporating with cooling and moisture in oxidation and denitration mother liquor can be precipitated crystal, therefore other
Filter is filtered the slag in the crystal and script mother liquor of precipitation.The liquid obtained after filtering is steamed in evaporation tank
It is dry, the mixture of sodium nitrite and sodium nitrate is then obtained, so that the concentration extraction of oxidation and denitration mother liquor is completed, to avoid direct
Discharge environmental pollution caused by oxidation and denitration mother liquor.
Embodiment 2
In order to which oxidant is added into circulatory pool after mother liquor enters circulatory pool for the ingredient of unified mother liquor.Oxidant had
Hydrogen oxide, Peracetic acid, sodium dichromate, chromic acid, nitric acid, potassium permanganate, ammonium persulfate, sodium hypochlorite, SODIUM PERCARBONATE, perboric acid
Sodium, potassium perborate, bromine and iodine.Nitrite-oxidizing is nitrate, reactional equation are as follows: 5NO2-+2MnO4-+6H by oxidant
+==5NO3-+Mn2+3H2O.
Embodiment 3
In embodiment 1, the oxidation and denitration mother liquor from other filter is concentrated into 40mol/L by the concentration tower.
Preferably, the evaporation tank is flat evaporation Fang Chi.
Embodiment 4
In embodiment 1, thermal energy needed for the evaporation tank evaporation liquid comes from processing factory's flue, and by exchanging pond
Interior liquid is evaporated.
Further, cooling tower is entered by nozzle by the oxidation and denitration mother liquor that heat exchanger heats, the nozzle will aoxidize
Denitration mother liquor atomisation.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of low-temperature oxidation denitration mother liquor concentrations system, the oxidation and denitration mother liquor main component is nitrate and nitrous acid
Salt, it is characterised in that: including circulatory pool, heat exchanger, cooling tower, other filter, concentration tower and the evaporation tank being sequentially communicated, the oxygen
Change denitration mother liquor and enter circulatory pool, and enter heat exchanger under the drive of the first water pump (1), the heat exchanger is to from circulatory pool
Oxidation and denitration mother liquor heated, and under the action of the second water pump (2) by the oxidation and denitration mother liquor being heated be sent into cold water
Tower, the cooling tower carry out cooling down to the oxidation and denitration mother liquor from heat exchanger, and oxidation and denitration mother liquor steams in cooling tower
Hair concentration, and the oxidation and denitration mother liquor after concentration is sent into other filter under the action of third water pump (3) and filters grain slag, the 4th
It obtains liquid feeding concentration tower after being filtered by other filter under the action of water pump (4) to be concentrated, in the 5th water pump (5) after concentration
Under the action of will be concentrated obtained liquid after tower concentration and be sent into evaporation tank, the evaporation tank is by the concentrated liquid from concentration tower
It is evaporated.
2. a kind of low-temperature oxidation denitration mother liquor concentrations system according to claim 1, it is characterised in that: the concentration tower will
Liquid concentration from other filter is to 40mol/L.
3. a kind of low-temperature oxidation denitration mother liquor concentrations system according to claim 1, it is characterised in that: the evaporation tank is
Flat evaporation Fang Chi.
4. a kind of low-temperature oxidation denitration mother liquor concentrations system according to claim 1, it is characterised in that: the evaporation tank steams
Thermal energy needed for lotion body comes from processing factory's flue, and is evaporated the liquid in pond by exchanging.
5. a kind of low-temperature oxidation denitration mother liquor concentrations system according to claim 1, it is characterised in that: heated by heat exchanger
Oxidation and denitration mother liquor cooling tower is entered by nozzle, the nozzle is by oxidation and denitration mother liquor atomisation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098167.6U CN208471800U (en) | 2018-07-11 | 2018-07-11 | A kind of low-temperature oxidation denitration mother liquor concentrations system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098167.6U CN208471800U (en) | 2018-07-11 | 2018-07-11 | A kind of low-temperature oxidation denitration mother liquor concentrations system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208471800U true CN208471800U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098167.6U Expired - Fee Related CN208471800U (en) | 2018-07-11 | 2018-07-11 | A kind of low-temperature oxidation denitration mother liquor concentrations system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609796A (en) * | 2018-07-11 | 2018-10-02 | 绵阳惠泽天下环保科技有限公司 | Processing system applied to low-temperature oxidation denitration mother liquor |
-
2018
- 2018-07-11 CN CN201821098167.6U patent/CN208471800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609796A (en) * | 2018-07-11 | 2018-10-02 | 绵阳惠泽天下环保科技有限公司 | Processing system applied to low-temperature oxidation denitration mother liquor |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20190711 |