CN206368040U - Iron oxide exhaust steam Zero-discharge energy-saving system - Google Patents
Iron oxide exhaust steam Zero-discharge energy-saving system Download PDFInfo
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- CN206368040U CN206368040U CN201621464829.8U CN201621464829U CN206368040U CN 206368040 U CN206368040 U CN 206368040U CN 201621464829 U CN201621464829 U CN 201621464829U CN 206368040 U CN206368040 U CN 206368040U
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- compressor
- exhaust steam
- iron oxide
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- discharge energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
A kind of iron oxide exhaust steam Zero-discharge energy-saving system, including the oxidation reaction tank provided with output end and input and the compressor provided with entrance point and the port of export.The entrance point of the compressor is connected with the output end of oxidation reaction tank, and the port of export of the compressor is connected with the input of oxidation reaction tank.The utility model collects the exhaust steam of oxidation reaction tank by pipeline, all by compressor to exhaust steam pressurization increasing enthalpy, exhaust steam enthalpy, which is increased to, can meet the requirement of oxidation reaction, send into oxidation reaction tank, substitute completely or most of replacement initial steam, the energy balance of oxidation iron process is reached, oxidation iron process is turned into enclosed technological process, the purpose of oxidation iron process zero-emission is realized and saves the purpose of initial steam.
Description
Technical field
The utility model is related to iron oxide pigment industry field, refers in particular to a kind of iron oxide exhaust steam Zero-discharge energy-saving system
System.
Background technology
Current wet method oxygenerating iron, the technology mode used is produced for boiler or the initial steam of outsourcing is adjusted by steam
Valve (31), fresh air is directly entered iron oxide reactor respectively by air compressor (32) and air control valve (33)
Group is directly heated and oxidation reaction, and reacted exhaust steam is discharged into air, exhaust steam directly or by tail gas exhaust machine (34) to be contained
There is the iron oxide pigment of water vapour, air, the acid solution (sulfuric acid, nitric acid etc.) of entrainment and the entrainment of higher temperature.Some producers pair
Exhaust steam is done and discharged after neutralisation treatment.Due to the production technology that current iron oxide is extensive, not only make iron oxide exhaust steam to big compression ring
Substantial pollution is caused in border, and energy consumption is high, and iron oxide product per ton consumes 5~8 tons of initial steam, while product per ton disappears
Consuming electric power hundred kilowatts.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of iron oxide exhaust steam Zero-discharge energy-saving system, the oxidation
Iron exhaust steam Zero-discharge energy-saving system can be realized while exhaust steam zero-emission and be preferably minimized iron oxide energy consumption in production process.
The utility model is to solve the technical scheme that its technical problem is used：A kind of iron oxide exhaust steam zero-emission section
Energy system, including the oxidation reaction tank provided with output end and input and the compressor provided with entrance point and the port of export, it is described
The entrance point of compressor is connected with the output end of oxidation reaction tank, the port of export of the compressor and the input of oxidation reaction tank
End is connected.
As further improvement of the utility model, the entrance point of the compressor is provided with oxygen-enriched air suction passage, institute
The port of export of compressor is stated provided with pumping path, the oxygen-enriched air suction passage, which is provided with, can adjust the of air inflow size
One regulating valve and pressure swing adsorption oxygen making device, the pumping path, which is provided with, can adjust the second regulating valve of rate of air sucked in required size.
As further improvement of the utility model, the pumping path is provided with heat exchanger, the thermal source of the heat exchanger
Side input port is connected with the second regulating valve, and the heated side output port of heat exchanger and the entrance point of compressor are connected.
It is used as further improvement of the utility model, heated side input port and the distilled water supply centre of the heat exchanger
Connection, the heat source side output port of heat exchanger is connected with enterprise biochemistry pool.
As further improvement of the utility model, the pumping path is connected with enterprise biochemistry pool.
As further improvement of the utility model, between the port of export of the compressor and the input of oxidation reaction tank
Provided with dehydrogenation device.
As further improvement of the utility model, provided with backflow humidification between the entrance point and the port of export of the compressor
Device.
As further improvement of the utility model, compressor anti-surge is provided between the backflow humidifier and the port of export
Valve.
The beneficial effects of the utility model are：The utility model iron oxide exhaust steam Zero-discharge energy-saving system, by oxidation reaction
The exhaust steam of tank is collected by pipeline, and all by compressor to exhaust steam pressurization increasing enthalpy, exhaust steam enthalpy, which is increased to, can meet oxygen
Change the requirement of reaction, send into oxidation reaction tank, substitute completely or most of energy for substituting initial steam, reaching oxidation iron process
Balance, makes oxidation iron process turn into enclosed technological process, realizes the purpose of oxidation iron process zero-emission and saves the mesh of initial steam
's.
Brief description of the drawings
Fig. 1 is the constitutional diagram of the utility model iron oxide exhaust steam Zero-discharge energy-saving system.
Fig. 2 is that the utility model iron oxide exhaust steam Zero-discharge energy-saving system is evacuated the process chart for sending biochemistry to do thermal source.
Fig. 3 is the schematic flow sheet for aoxidizing iron process in the prior art.
The figures above is compareed, explanation is supplemented as follows：
1--- oxidation reaction tank 11--- output ends
12--- input 2--- compressors
The 21--- entrance point 22--- ports of export
3 ' --- oxygen-enriched air suction passage the first regulating valves of 3---
4 ' --- pumping path the second regulating valves of 4---
5--- dehydrogenation device 6--- heat exchangers
7--- compressor anti-surge valves 8--- backflow humidifiers
9--- pressure swing adsorption oxygen making device 31-- steam control valves
32-- air compressor 33-- air control valves
34-- tail gas exhaust machines.
Embodiment
A kind of iron oxide exhaust steam Zero-discharge energy-saving system, including the oxidation reaction tank 1 provided with output end 11 and input 12
And the compressor 2 provided with entrance point 21 and the port of export 22.The entrance point 21 of the compressor 2 and the output of oxidation reaction tank 1
End 11 is connected, and the port of export 22 of the compressor 2 is connected with the input 12 of oxidation reaction tank 1.
The entrance point 21 of the compressor 2 is provided with oxygen-enriched air suction passage 3 ', and the port of export 22 of the compressor 2 is provided with
It is evacuated path 4 '.The oxygen-enriched air suction passage 3 ', which is provided with, can adjust the first regulating valve 3 and transformation of air inflow size
Adsorption oxygen-preparation device 9, the pumping path 4 ', which is provided with, can adjust the second regulating valve 4 of rate of air sucked in required size.Pass through oxygen-enriched sky
Gas suction passage 3 ', compressor 2 sucks oxygen-enriched air to supplement the oxygen consumption in oxidation iron process, is put down with the oxygen for reaching technique
Weighing apparatus, the oxygen-enriched air amount of supplement is determined by technique oxygen balance amount and realizes control by the first regulating valve 3；By being evacuated path 4 ',
A small amount of pumping is done to the exhaust steam after compression to reach that the fixed gas (air) in oxidation iron process is balanced, rate of air sucked in required is not coagulated by technique
Gas aequum determines and realizes control by the second regulating valve 4.Pass through the oxygen-enriched air suction passage 3 ' and compressor before compressor 2
Pumping path 4 ' after 2 realizes that the oxygen consumption of iron oxide pigment production and fixed gas are balanced.
The pumping path 4 ' is provided with heat exchanger 6, the heat source side input port of the heat exchanger 6 and the second regulating valve 4
Connection, the heated side output port of heat exchanger 6 is connected with the entrance point 21 of compressor 2.Because pumping also contains more height
Grade heat, can pass through heat exchanger 6 by pumping, produce clean steam, and the steam produced is filled into entering for compressor 2
Mouth end 21, reaches the purpose for thoroughly reclaiming exhaust steam energy.
The heated side input port of the heat exchanger 6 is connected with distilled water supply centre, the heat source side output end of heat exchanger 6
Mouthful it is connected with enterprise biochemistry pool.When heat exchanger 6 works, it is desirable to have distilled water is filled into, the condensate feeding that heat exchanger 6 is internally formed
Enterprise's biochemistry pool does biochemical treatment.
In other embodiment of the present utility model, the pumping path 4 ' is connected with enterprise biochemistry pool, so that this reality
Pumping can be sent directly into enterprise's biochemistry pool with new, the heat source of biochemistry pool is used as.
Dehydrogenation device 5 is provided between the port of export 22 of the compressor 2 and the input 12 of oxidation reaction tank 1.Due to many
Trace hydrogen can be produced in several iron oxide reaction process, closed cycle will avoid hydrogen-rich dangerous and cause hydrogen to equipment
In crisp harm, the utility model, dehydrogenation device 5 is set in closed cycle pipeline, and the oxygen needed for dehydrogenation is also in short covering gas
Oxygen content is provided.
Provided with backflow humidifier 8 between the entrance point 21 and the port of export 22 of the compressor 2.The effect of backflow humidifier 8
It is：Reflux gas from the port of export 22 of compressor 2 is humidified, saturation is close to.When the humidifier 8 that flows back works, need
There is filling into for distilled water.
Compressor anti-surge valve 7 is provided between the backflow humidifier 8 and the port of export 22.The compressor anti-surge valve 7
It is the device for preventing compressor 2 from occurring surge phenomenon generation at work.
The utility model collects the exhaust steam of oxidation reaction tank 1 by pipeline, and all exhaust steam, which is pressurizeed, by compressor 2 increases
Enthalpy, exhaust steam enthalpy, which is increased to, can meet the requirement of oxidation reaction, feeding oxidation reaction tank 1, substitute completely or most of
Initial steam is substituted, the energy balance of oxidation iron process is reached, oxidation iron process is turned into enclosed technological process, oxidation ironworker is realized
The purpose of skill zero-emission and the purpose for saving initial steam, and due to containing certain air in exhaust steam, while omnibus control system
Device 9 supplements a certain amount of oxygen, so compressed air need not be reused as reactant gas source, oxidation iron process has been saved completely
In air compressor energy consumption.
Claims (8)
1. a kind of iron oxide exhaust steam Zero-discharge energy-saving system, it is characterized in that：Including the oxidation reaction provided with output end and input
Tank and the compressor provided with entrance point and the port of export, the entrance point of the compressor are connected with the output end of oxidation reaction tank
Connect, the port of export of the compressor is connected with the input of oxidation reaction tank.
2. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 1, it is characterized in that：The entrance point of the compressor
Provided with oxygen-enriched air suction passage, the port of export of the compressor, which is provided with pumping path, the oxygen-enriched air suction passage, to be set
There are the first regulating valve and pressure swing adsorption oxygen making device that can adjust air inflow size, the pumping path is provided with and can adjusted
Second regulating valve of rate of air sucked in required size.
3. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 2, it is characterized in that：The pumping path is provided with
Heat exchanger, the heat source side input port of the heat exchanger is connected with the second regulating valve, the heated side output port of heat exchanger with
The entrance point connection of compressor.
4. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 3, it is characterized in that：The heat exchanger be heated
Side input port is connected with distilled water supply centre, and the heat source side output port of heat exchanger is connected with enterprise biochemistry pool.
5. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 2, it is characterized in that：The pumping path and enterprise
Biochemistry pool is connected.
6. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 1, it is characterized in that：The port of export of the compressor
Dehydrogenation device is provided between the input of oxidation reaction tank.
7. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 1, it is characterized in that：The entrance point of the compressor
Provided with backflow humidifier between the port of export.
8. iron oxide exhaust steam Zero-discharge energy-saving system according to claim 7, it is characterized in that：The backflow and goes out humidifier
Mouth is provided with compressor anti-surge valve between end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464829.8U CN206368040U (en) | 2016-12-29 | 2016-12-29 | Iron oxide exhaust steam Zero-discharge energy-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464829.8U CN206368040U (en) | 2016-12-29 | 2016-12-29 | Iron oxide exhaust steam Zero-discharge energy-saving system |
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| Publication Number | Publication Date |
|---|---|
| CN206368040U true CN206368040U (en) | 2017-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745310A (en) * | 2016-12-29 | 2017-05-31 | 苏州欧拉透平机械有限公司 | Iron oxide exhaust steam Zero-discharge energy-saving system |
-
2016
- 2016-12-29 CN CN201621464829.8U patent/CN206368040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745310A (en) * | 2016-12-29 | 2017-05-31 | 苏州欧拉透平机械有限公司 | Iron oxide exhaust steam Zero-discharge energy-saving system |
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