CN208553645U - Emission-control equipment in copper sulphate production process - Google Patents
Emission-control equipment in copper sulphate production process Download PDFInfo
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- CN208553645U CN208553645U CN201821001154.2U CN201821001154U CN208553645U CN 208553645 U CN208553645 U CN 208553645U CN 201821001154 U CN201821001154 U CN 201821001154U CN 208553645 U CN208553645 U CN 208553645U
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Abstract
The utility model discloses the emission-control equipments in copper sulphate production process, including reaction kettle, spray column, water tank and exhaust fan, water distributor is equipped in spray column, the water outlet of water tank is attached with water distributor by pipeline respectively by water pump, the top of spray column is equipped with first row port, first row port is connected by the air inlet of downtake pipe and exhaust fan, the air outlet of exhaust fan is connected with exhaust pipe, the top of reaction kettle is equipped with second exhaust port, the installation site of spray column is higher than second exhaust port, the side of spray column is equipped with air inlet in the position close to bottom, it is connected between second exhaust port and air inlet by condenser pipe, water tank is for storing pure water, the bottom of spray column is equipped with recovery port, recovery port is equipped with recovery valve, the utility model effectively solve the prior art in spray column using lye to sulfuric acid vapor into Row neutralize, higher cost, spray column load it is larger and can not to sulfuric acid vapor carry out recycling and reusing the problem of.
Description
Technical field
The utility model relates to the exhaust-gas treatment dresses in copper sulphate production field more particularly to a kind of copper sulphate production process
It sets.
Background technique
In the production process of copper sulphate, since the temperature in reaction kettle is higher, the sulfuric acid for participating in reaction will form under
Sulfuric acid vapor, and mix in the offgas, directly the exhaust gas containing sulfuric acid vapor not only causes greatly air into atmosphere
Pollution, also creates waste；Present recovery method is usually that directly exhaust gas is passed through in spray column, and uses in lye progress
With, not only make the workload of spray column big in this way, high production cost, and being neutralized using lye also can not be in exhaust gas
Dilute sulfuric acid recycled, cause biggish waste.
Utility model content
The purpose of this utility model is that propose the emission-control equipment in a kind of copper sulphate production process, it is above-mentioned to solve
Problem.
For this purpose, the utility model uses following technical scheme:
Emission-control equipment in copper sulphate production process, including reaction kettle, spray column, water tank and exhaust fan, the spray
It drenches and is equipped with water distributor in tower, the water outlet of the water tank is attached with the water distributor by pipeline respectively by water pump, institute
The top for stating spray column is equipped with first row port, and the first row port passes through the air inlet of downtake pipe and the exhaust fan
Connection, the air outlet of the exhaust fan are connected with exhaust pipe, and the top of the reaction kettle is equipped with second exhaust port, the spray
The installation site of tower is higher than the second exhaust port, and the side of the spray column is equipped with air inlet, institute in the position close to bottom
It states and is connected between second exhaust port and the air inlet by condenser pipe, the condenser pipe includes second exhaust pipe and cooling water
Pipe, the inside of the cooling water pipe is arranged in the second exhaust pipe, and both ends connect with second exhaust port and air inlet respectively
It connects；The both ends of the cooling water pipe form with the outer wall of the second exhaust pipe seal respectively, and close to the second exhaust
Mouth one end is equipped with cooling water inlet, is being equipped with cooling water outlet close to described air inlet one end；The water tank is used to store pure water,
The bottom of the spray column is equipped with recovery port, and the recovery port is equipped with recovery valve.
The second exhaust pipe one section in the cooling water pipe is helical form.
It further include water purification machine, the water inlet of the water purification machine connects running water pipe, it is provided with water inlet at the top of the water tank,
The water outlet of the water purification machine is connect with the water inlet of the water tank using pipeline.
The bottom of the water tank is connect with the bottom of the spray column by pipeline.
There are three chambers for setting in the spray column, from the bottom to top respectively reclaiming chamber, spray chamber and drying chamber, the air inlet
On the side wall at the top that mouth is positioned close to the reclaiming chamber, the water distributor is arranged in the spray chamber, the drying chamber
Inside it is equipped with the first packing layer.
At least it is divided into two layers in the spray chamber, each layer of top is equipped with water distributor, and bottom is equipped with the second packing layer；Institute
The thickness for stating packing layer is at least 0.5 meter, is at least 0.5 meter the distance between at the top of the water distributor and described filler layer.
Atomizer is equipped on each water outlet of the water distributor.
The downtake pipe, the second exhaust pipe, the cooling water pipe and all pipelines for connection are all made of
Stainless steel material.
The beneficial effects of the utility model are: raw material reacts under the environment in reaction kettle when production copper sulphate, and
It generates with sulfuric acid vapor exhaust gas as main component, exhaust gas escapes and enter in condenser pipe from second exhaust port；Cooling water pipe
Cooling water enter to continually enter tap water, and from cooling water outlet be discharged, cooled down with the tube wall to second exhaust pipe；Due to
The tube wall temperature of second exhaust pipe is lower, and part of sulfuric acid steam can be condensed out liquid sulfuric acid on the inside of the tube wall of second exhaust pipe,
Since the installation site of spray column is higher than second exhaust port, so making to be condensed out liquid sulfuric acid on the inside of the tube wall of second exhaust pipe
It can be flowed back into reaction kettle on the inside of the tube wall of second exhaust pipe under the effect of gravity, participate in reaction again, so not only
The workload for mitigating spray column into the sulfuric acid vapor in spray column can be reduced, the sulfuric acid vapor in exhaust gas can also be straight
It takes back to receive in reaction kettle and re-use, exempt complicated recovery process, recovery efficiency is high；It is not condensed into the sulphur of liquid sulfuric acid
Acid vapour then enters in spray column, carries out pure water spray using water distributor in spray column, and sulfuric acid vapor contacts mixing with pure water, and
Formation dilute sulfuric acid soluble in water, and the bottom of spray column is flowed under the influence of gravity into, dilute sulfuric acid can be taken out by opening recovery valve；
Sulfuric acid is recycled using pure water, can not only effectively reduce the sulfuric acid vapor content in exhaust gas, and recovered liquid is dilute sulphur
Acid can put into production again, reduce the wasting of resources, also reduce the cost of production, have more considerable economic benefit；Exhaust fan
First exhaust mouth at the top of spray column forms negative pressure, drives the flowing of sulfuric acid vapor, and exhaust gas after the recovery is discharged.
Detailed description of the invention
Attached drawing is described further the utility model, but the content in attached drawing does not constitute any limit to the utility model
System.
Fig. 1 is the structural schematic diagram of the one of embodiment of the utility model；
Fig. 2 is the exhaust-gas treatment process figure of the one of embodiment of the utility model；
Fig. 3 is the water circulation process figure of the one of embodiment of the utility model.
Wherein: reaction kettle 1, spray column 2, water tank 3, exhaust fan 4, water distributor 5, water pump 6, first row port 7, first exhaust
Pipe 8, exhaust pipe 9, second exhaust port 10, air inlet 11, condenser pipe 12, second exhaust pipe 13, cooling water pipe 14, cooling water enter
Mouth 15, cooling water outlet 16, recovery port 17, recovery valve 18, water purification machine 19, reclaiming chamber 20, spray chamber 21, drying chamber 22, first
Packing layer 23, the second packing layer 24, atomizer 25.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Emission-control equipment in copper sulphate production process, as shown in Figure 1, including reaction kettle 1, spray column 2,3 and of water tank
Exhaust fan 4, is equipped with water distributor 5 in the spray column 2, the water outlet of the water tank 3 by water pump 6 respectively with the water distributor 5
It is attached by pipeline, the top of the spray column 2 is equipped with first row port 7, and the first row port 7 passes through first exhaust
Pipe 8 is connect with the air inlet of the exhaust fan 4, and the air outlet of the exhaust fan 4 is connected with exhaust pipe 9, the reaction kettle 1
Top is equipped with second exhaust port 10, and the installation site of the spray column 2 is higher than the second exhaust port 10, the spray column 2
Side is equipped with air inlet 11 in the position close to bottom, passes through condenser pipe between the second exhaust port 10 and the air inlet 11
12 connections, the condenser pipe 12 include second exhaust pipe 13 and cooling water pipe 14, and the second exhaust pipe 13 is arranged described cold
But the inside of water pipe 14, and both ends are connect with second exhaust port 10 and air inlet 11 respectively；The both ends of the cooling water pipe 14
It is formed and is sealed with the outer wall of the second exhaust pipe 13 respectively, and entered close to described 10 one end of second exhaust port equipped with cooling water
Mouth 15 is being equipped with cooling water outlet 16 close to described 11 one end of air inlet；The water tank 3 is for storing pure water, the spray column 2
Bottom be equipped with recovery port 17, the recovery port 17 be equipped with recovery valve 18.
When producing copper sulphate, raw material reacts under the environment in reaction kettle 1, and it is main for generating with sulfuric acid vapor
The exhaust gas of ingredient, exhaust gas escape and enter in condenser pipe 12 from second exhaust port 10；The cooling water of cooling water pipe 14 enters constantly defeated
Enter tap water, and be discharged from cooling water outlet 16, is cooled down with the tube wall to second exhaust pipe 13；Due to second exhaust pipe 13
Tube wall temperature it is lower, part of sulfuric acid steam can be condensed out liquid sulfuric acid on the inside of the tube wall of second exhaust pipe 13, due to spray
The installation site of tower is higher than second exhaust port, so making to be condensed out liquid sulfuric acid in gravity on the inside of the tube wall of second exhaust pipe 13
Effect is lower can be flowed back into reaction kettle 1 on the inside of the tube wall of second exhaust pipe 13, participate in reaction again, not only can
The sulfuric acid vapor entered in spray column 2 is reduced, mitigates the workload of spray column 2, the sulfuric acid vapor in exhaust gas can also be direct
It is recovered in reaction kettle 1 and re-uses, exempt complicated recovery process, recovery efficiency is high；It is not condensed into the sulphur of liquid sulfuric acid
Acid vapour then enters in spray column 2, carries out pure water spray using water distributor 5 in spray column 2, and sulfuric acid vapor contacts mixed with pure water
It closes, and formation dilute sulfuric acid soluble in water, and flows under the influence of gravity into the bottom of spray column 2, opening recovery valve 18 can will be dilute
Sulfuric acid takes out；Sulfuric acid is recycled using pure water, can not only effectively reduce the sulfuric acid vapor content in exhaust gas, and recycle
Liquid is dilute sulfuric acid, can be put into production again, reduces the wasting of resources, also reduces the cost of production, with more considerable economic effect
Benefit；First row port 7 of the exhaust fan 4 at 2 top of spray column forms negative pressure, drives the flowing of sulfuric acid vapor, and will be after the recovery
Exhaust gas discharge.
The second exhaust pipe 13 one section in the cooling water pipe 14 is helical form.
Sulfuric acid vapor can be extended and flow through one section of time and increase sulphur of the second exhaust pipe 13 in cooling water pipe 14
The contact area of acid vapour and second exhaust pipe 13, so that more sulfuric acid vapors can be cooled to liquid sulfuric acid and flow back into anti-
It answers and participates in reaction in kettle 1 again, in this way compared to the simpler convenience of dilute sulfuric acid technique is recycled out of spray column 2, cost is lower；
It can also be reduced simultaneously into the sulfuric acid vapor in spray column 2, reduce the recycling load of spray column 2.
Further include water purification machine 19, the water inlet of the water purification machine 19 connects running water pipe, the top of the water tank 3 be provided with into
The mouth of a river, the water outlet of the water purification machine 19 are connect with the water inlet of the water tank 3 using pipeline.
Tap water is purified using water purification machine 19, and is added in water tank 3, it is possible to reduce is added in water tank 3
The impurity content of the impurity of water, the dilute sulfuric acid formed after mixing the water to gush out in spray column 2 with sulfuric acid vapor is lower, to subtract
Few subsequent purification process, reduces the cost of recycling, improves the efficiency of production.
The bottom of the water tank 3 is connect with the bottom of the spray column 2 by pipeline.
Sulfuric acid vapor forms dilute sulfuric acid after mixing with the pure water of the spray in spray column 2, and flows back into the bottom of spray column 2
Portion, since sulfuric acid and water can be arbitrarily than dissolving each other, therefore saturation state much has not been reached yet in the dilute sulfuric acid in 2 bottom of spray column；
3 bottom of water tank is connect with the bottom of spray column 2 by pipeline, allows the dilute sulfuric acid for flowing back into 2 bottom of spray column by pipe
Road flows into water tank 3, sprays under the action of water pump 6 from water distributor 5, and mixed again with sulfuric acid vapor；So not only
The sulfuric acid concentration of recovered liquid can be increased, while can also save the pure water dosage for recycling sulfuric acid vapor, reduce production cost.
There are three chambers for setting in the spray column 2, from the bottom to top respectively reclaiming chamber 20, spray chamber 21 and drying chamber 22,
The air inlet 11 is positioned close on the side wall at the top of the reclaiming chamber 20, and the water distributor 5 is arranged in the spray chamber
In 21, the first packing layer 23 is equipped in the drying chamber 22.
Sulfuric acid vapor enters spray column 2 from the top of reclaiming chamber 20, then flows up under the negative pressure of first row port 7
It is mixed into spray chamber 21, and with pure water, forms dilute sulfuric acid, be then refluxed in reclaiming chamber 20；Due in spray chamber 21
The lesser dilute sulfuric acid droplet of more diameter is had in spray, is easy the spray column 2 that flies out under the negative pressure of first row port 7,
And be discharged by exhaust fan 4, it is be easy to cause pollution, water mist can be stopped by being equipped with the first packing layer 23 in drying chamber 22,
Dilute sulfuric acid droplet can be kept off in the first packing layer 23, when the accumulation of dilute sulfuric acid droplet is larger, then drop onto spray chamber 21 downwards
It is interior；Air inlet 11 be positioned close on the side wall at the top of reclaiming chamber 20 can to avoid reclaiming chamber 20 dilute sulfuric acid from air inlet 11
Outflow, and sulfuric acid vapor can be made to enter spray chamber 21 from the bottom of spray chamber 21, in spray, pure water and sulfuric acid vapor can
More fully to contact, mix.
At least it is divided into two layers in the spray chamber 21, each layer of top is equipped with water distributor 5, and bottom is equipped with the second packing layer
24；The thickness of described filler layer is at least 0.5 meter, and the distance between the water distributor 5 and 24 top of described filler layer are at least
It is 0.5 meter.
Multilayer is arranged in spray chamber 21 can sufficiently recycle sulfuric acid, can also prevent while improving the rate of recovery
Environmental pollution is caused due to recycling insufficient；Each layer of top setting water distributor 5 can water drenching downwards by the second filler
Layer 24 drenches, and pure water forms moisture film in the filler surface of the second packing layer 24, can greatly increase pure water and connect with sulfuric acid vapor
The area of touching, is dissolved in sulfuric acid vapor more in pure water, improves the efficiency of recycling；Due to the continuous water drenching of water distributor 5, fill out
The moisture film on material surface constantly thickens and forms droplet, then drops onto reclaiming chamber 20.
Atomizer 25 is equipped on each water outlet of the water distributor 5.
Atomizer 25 is arranged on each water outlet of water distributor 5 can be atomized the water of ejection, make the pure water be in
Mist sprays, and is filled with water mist in spray chamber 21, can greatly increase the spray of water distributor 5 and come out connecing for pure water and sulfuric acid vapor
Contacting surface product, improves the rate of recovery.
The downtake pipe 8, the second exhaust pipe 13, the cooling water pipe 14 and all pipelines for connection are equal
Using stainless steel material.
Since the prime cost in exhaust gas is sulfuric acid vapor, not only temperature is higher, and corrosivity is stronger, common pipeline by
Cause the service life under sulphuric acid environment shorter in corrosion resistance is poor, needs to be replaced frequently, and be easy to appear asking for leakage
Topic；And stainless steel material is anticorrosive relatively strong, has longer service life under sulphuric acid environment, may be adapted to long-term
It uses, is not in leakage problem.
Waste gas processing method in a kind of copper sulphate production process, at the exhaust gas in above-mentioned copper sulphate production process
Manage device, which is characterized in that further include the treatment process of exhaust gas:
Step A1: raw material reacts in reaction kettle 1, and generates sulfuric acid vapor, and water tank 3 is provided with pure water, cooling water inlet
15 are constantly passed through tap water；
Step A2: sulfuric acid vapor flows up, and enters condenser pipe 12 from second exhaust port 10；Part of sulfuric acid steam is condensed into
Sulfate liquid, and flow back into reaction kettle 1, continue to participate in reaction；
The sulfuric acid vapor of another part continues up flowing, and enters spray column 2 from air inlet 11；
Step A3: the continuous water drenching of water distributor 5 in spray column 2, sulfuric acid vapor enters in spray column 2 and formation soluble in water
Dilute sulfuric acid, and flow under the influence of gravity into the reclaiming chamber 20 of spray column 2；Exhaust gas after the recovery is flowed out from first row port 7, and is passed through
Exhaust fan 4 is crossed to be discharged from exhaust pipe 9；
Step A4: opening recovery valve 18 and the dilute sulfuric acid in reclaiming chamber 20 be discharged, be then shut off recovery valve 18, and to water tank
The pure water supplemented in 3.
When producing copper sulphate, raw material reacts under the environment in reaction kettle 1, and it is main for generating with sulfuric acid vapor
The exhaust gas of ingredient, exhaust gas escape and enter in condenser pipe 12 from second exhaust port 10；The cooling water of cooling water pipe 14 enters constantly defeated
Enter tap water, and be discharged from cooling water outlet 16, is cooled down with the tube wall to second exhaust pipe 13；Due to second exhaust pipe 13
Tube wall temperature it is lower, part of sulfuric acid steam can be condensed out liquid sulfuric acid on the inside of the tube wall of second exhaust pipe 13, and along
It is flowed back into reaction kettle 1 on the inside of the tube wall of two exhaust pipes 13, participates in reaction again, not only can reduce into spray column 2
Interior sulfuric acid vapor, mitigates the workload of spray column 2, and the sulfuric acid vapor in exhaust gas can also be directly recovered in reaction kettle 1
It re-uses, exempts complicated recovery process, recovery efficiency is high；The sulfuric acid vapor for not being condensed into liquid sulfuric acid then enters spray
In tower 2, pure water spray is carried out using water distributor 5 in spray column 2, sulfuric acid vapor contacts mixing, and formation soluble in water with pure water
Dilute sulfuric acid；Sulfuric acid is recycled using pure water, can not only effectively reduce the sulfuric acid vapor content in exhaust gas, and recovered liquid
It is dilute sulfuric acid, can puts into production again, reduce the wasting of resources, also reduce the cost of production, there is more considerable economic benefit；
First row port 7 of the exhaust fan 4 at the top of spray column 2 forms negative pressure, drives the flowing of sulfuric acid vapor, and by exhaust gas after the recovery
Discharge.
The step A3 further includes water cycle process:
Step B1: the water in water tank 3 flows to water distributor 5 under the action of water pump 6；
Step B2: water is flowed out from the water outlet of water distributor 5, and the ejection fog-like under the action of atomizer 25；Water mist
It is contacted in dropping process with the filler surface of the second packing layer 24, and forms moisture film in filler surface；
Step B3: it is mixed into the sulfuric acid vapor in spray column 2 with water mist, and is dissolved in water mist, while sulfuric acid vapor is also molten
In the moisture film of filler surface, dilute sulfuric acid is formed, as the moisture film of filler surface gradually thickens, forms dilute sulfuric acid droplet, and drip
Into reclaiming chamber 20；
Step B4: the dilute sulfuric acid in reclaiming chamber 20 is flow in water tank 3 by pipeline, and flows to cloth under the action of water pump 6
Hydrophone 5.
Sulfuric acid vapor forms dilute sulfuric acid after mixing with the pure water of the spray in spray column 2, and flows back into the bottom of spray column 2
Portion, since sulfuric acid and water can be arbitrarily than dissolving each other, therefore saturation state much has not been reached yet in the dilute sulfuric acid in 2 bottom of spray column；
3 bottom of water tank is connect with the bottom of spray column 2 by pipeline, allows the dilute sulfuric acid for flowing back into 2 bottom of spray column by pipe
Road flows into water tank 3, sprays under the action of water pump 6 from water distributor 5, and mixed again with sulfuric acid vapor, continuous in this way
Circulation can not only increase the sulfuric acid concentration of recovered liquid, while can also save the pure water dosage for recycling sulfuric acid vapor, reduce
Production cost.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (8)
1. the emission-control equipment in copper sulphate production process, including reaction kettle, spray column, water tank and exhaust fan, the spray
Water distributor is equipped in tower, the water outlet of the water tank is attached with the water distributor by pipeline respectively by water pump, described
The top of spray column is equipped with first row port, and the first row port is connected by the air inlet of downtake pipe and the exhaust fan
It connects, the air outlet of the exhaust fan is connected with exhaust pipe, which is characterized in that the top of the reaction kettle is equipped with second exhaust
Mouthful, the installation site of the spray column is higher than the second exhaust port, and the side of the spray column is set in the position close to bottom
There is air inlet, is connected between the second exhaust port and the air inlet by condenser pipe, the condenser pipe includes second exhaust
Pipe and cooling water pipe, the second exhaust pipe are arranged in the inside of the cooling water pipe, and both ends respectively with second exhaust port
It is connected with air inlet；The both ends of the cooling water pipe form with the outer wall of the second exhaust pipe seal respectively, and close to institute
Second exhaust port one end is stated equipped with cooling water inlet, is being equipped with cooling water outlet close to described air inlet one end；The water tank is used
In storage pure water, the bottom of the spray column is equipped with recovery port, and the recovery port is equipped with recovery valve.
2. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that the second row
Tracheae one section in the cooling water pipe is helical form.
3. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that further include pure water
Machine, the water inlet of the water purification machine connect running water pipe, and water inlet, the water outlet of the water purification machine are provided at the top of the water tank
It is connect with the water inlet of the water tank using pipeline.
4. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that the water tank
Bottom is connect with the bottom of the spray column by pipeline.
5. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that the spray column
There are three chambers for interior setting, and respectively reclaiming chamber, spray chamber and drying chamber, the air inlet are positioned close to described return from the bottom to top
On the side wall for receiving the top of chamber, the water distributor is arranged in the spray chamber, and the first packing layer is equipped in the drying chamber.
6. the emission-control equipment in copper sulphate production process according to claim 5, which is characterized in that the spray chamber
Inside at least it is divided into two layers, each layer of top is equipped with water distributor, and bottom is equipped with the second packing layer；The thickness of described filler layer is at least
It is 0.5 meter, is at least 0.5 meter the distance between at the top of the water distributor and described filler layer.
7. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that the water distributor
Each water outlet on be equipped with atomizer.
8. the emission-control equipment in copper sulphate production process according to claim 1, which is characterized in that the first row
Tracheae, the second exhaust pipe, the cooling water pipe and all pipelines for connection are all made of stainless steel material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821001154.2U CN208553645U (en) | 2018-06-27 | 2018-06-27 | Emission-control equipment in copper sulphate production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001154.2U CN208553645U (en) | 2018-06-27 | 2018-06-27 | Emission-control equipment in copper sulphate production process |
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| CN208553645U true CN208553645U (en) | 2019-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722125A (en) * | 2018-06-27 | 2018-11-02 | 佛山高力新材料科技有限公司 | Emission-control equipment in copper sulphate production process and method |
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2018
- 2018-06-27 CN CN201821001154.2U patent/CN208553645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722125A (en) * | 2018-06-27 | 2018-11-02 | 佛山高力新材料科技有限公司 | Emission-control equipment in copper sulphate production process and method |
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