CN209696311U - A kind of novel thin sulfuric acid thickener - Google Patents
A kind of novel thin sulfuric acid thickener Download PDFInfo
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- CN209696311U CN209696311U CN201821933621.5U CN201821933621U CN209696311U CN 209696311 U CN209696311 U CN 209696311U CN 201821933621 U CN201821933621 U CN 201821933621U CN 209696311 U CN209696311 U CN 209696311U
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- acid thickener
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Abstract
The utility model relates to a kind of novel thin sulfuric acid thickeners.The novel thin sulfuric acid thickener includes the dilute sulfuric acid conveying device being sequentially communicated, first heater, secondary heating mechanism, third heating device, distilling apparatus and condensing unit；First outlet is provided on secondary heating mechanism；Second outlet is provided on third heating device；The lower part and top of condensing unit are respectively arranged with third outlet and the 4th outlet, and third outlet is connected with concentrated sulfuric acid storage device, are provided with heat-exchange device between dilute sulfuric acid conveying device and concentrated sulfuric acid storage device.Thin sulfuric acid thickener provided by the utility model can effectively remove organic matter present in dilute sulfuric acid by heating device, distilling apparatus and condensing unit, and the concentration of the obtained concentrated sulfuric acid is not less than 97%, and other indexs meet the requirement of industrial sulphuric acid, and thickening efficiency is high；Meanwhile the obtained concentrated sulfuric acid and raw material dilute sulfuric acid are subjected to heat exchange using heat-exchange device, effectively increase the initial temperature of dilute sulfuric acid.
Description
Technical field
The utility model belongs to dilute sulfuric acid field of comprehensive utilization, more particularly, to a kind of novel thin sulfuric acid thickener.
Background technique
When preparing methane chloride, it is dried using finished product of the sulfuric acid to methane chloride workshop, by-product will be generated
Object dilute sulfuric acid.It is organic containing methanol, dimethyl ether, monochloro methane, methylene chloride, chloroform, carbon tetrachloride etc. in the dilute sulfuric acid
Object, the organic concentrations such as 75% or more concentration, methanol and dimethyl ether are more than or equal to 5% or more.Such as the sulfuric acid direct emission will
The sewage and poisonous and hazardous exhaust gas for generating a large amount of volatile organic matters are concentrated purification and obtain the concentrated sulfuric acid and can be achieved to its time
It receives using with huge economic value (being such as back to methane chloride workshop as dry raw material).
But it is inadequate using the sulfuric acid purity that conventional purification device obtains, containing methanol, dimethyl ether etc., there are explosions
It is dangerous.
Therefore, a kind of thickening efficiency height is developed, there is the purifying plant of obtained concentrated sulfuric acid purity is high important research to anticipate
Justice and application value.
Summary of the invention
The purpose of the utility model is to overcome existing dilute sulfuric acid purifying plants to have the defects that sulfuric acid purity is inadequate or not
Foot, provides a kind of novel thin sulfuric acid thickener.Novel thin sulfuric acid thickener provided by the utility model is added by several
Thermal, distilling apparatus and condensing unit can effectively remove methanol present in dilute sulfuric acid, dimethyl ether, monochloro methane, dichloromethane
The concentration of the organic matters such as alkane, chloroform, carbon tetrachloride, the obtained concentrated sulfuric acid is not less than 97%, and other indexs meet GBT534-
The requirement of 2014 industrial sulphuric acids, thickening efficiency are high.In addition, carrying out heat exchange using the obtained concentrated sulfuric acid and raw material dilute sulfuric acid, have
Effect improves the initial temperature of dilute sulfuric acid, and the energy is greatly saved, reduces costs.
For the purpose for realizing above-mentioned utility model, the utility model adopts the following technical solution:
A kind of novel thin sulfuric acid thickener, including be sequentially communicated dilute sulfuric acid conveying device, for remove carbon black first
Heating device, the secondary heating mechanism for preheating, third heating device, distilling apparatus and condensing unit for water removal；Institute
It states and is provided with first outlet on secondary heating mechanism；Second outlet is provided on the third heating device；The condensing unit
Lower part and top be respectively arranged with third outlet and the 4th outlet, third outlet is connected with concentrated sulfuric acid storage device,
Heat-exchange device is provided between the dilute sulfuric acid conveying device and concentrated sulfuric acid storage device.
Novel thin sulfuric acid thickener provided by the utility model is conveyed raw material dilute sulfuric acid by dilute sulfuric acid conveying device
The carbon black that organic matter is formed during heating (controlled at 170 ~ 220 DEG C) into first heater, can effectively improve
The quality of the final concentrated sulfuric acid；Then it is preheated using secondary heating mechanism, the vapor containing a small amount of acid gas goes out by first
Mouth discharge, removes moisture removal using third heating device (controlled at 220 ~ 250 DEG C), obtains the sulfuric acid (concentration of initial concentration
About 90%) enter distilling apparatus, the vapor containing a small amount of acid gas is discharged by second outlet；Then made using distilling apparatus
Sulfuric acid solution boiling, gasification, are further concentrated, then the separation of the concentrated sulfuric acid and acid gas is carried out by condensing unit.Wherein,
The concentrated sulfuric acid that three outlets obtain is delivered in concentrated sulfuric acid storage device, and concentration is not less than 97%, and other indexs meet GBT534-
The requirement of 2014 industrial sulphuric acids, thickening efficiency are high；4th outlet obtains acid gas.Meanwhile it is dense by what is obtained using heat-exchange device
Sulfuric acid and raw material dilute sulfuric acid carry out heat exchange, effectively increase the initial temperature of dilute sulfuric acid.
The industrial concentrated sulfuric acid of high-purity can be obtained in novel thin sulfuric acid thickener provided by the utility model.
In order to which the carbon black generated in first heater is easily discharged, heat utilization ratio is improved, it is preferable that described first
The lower part of heating device is provided with slag-drip opening.
In order to propose highly enriched efficiency and yield, the quantity of third heating device, distilling apparatus and condensing unit can be with
Multiple (such as 2,3,4,6,9).
Preferably, the quantity of the third heating device be several, several described third heating device serial communications.
Preferably, the first outlet is connected with exhaust treatment system.
It is further preferable that the thin sulfuric acid thickener further includes tail gas buffer, the tail gas buffer is respectively with
One outlet is connected with exhaust treatment system.
Preferably, the second outlet is connected with exhaust treatment system.
It is further preferable that the thin sulfuric acid thickener further includes tail gas buffer, the tail gas buffer is respectively with
Two outlets are connected with exhaust treatment system.
There is the acid gas of preferable processing discharge using exhaust treatment system, reduces pollution.
Preferably, the quantity of the distilling apparatus be several, several described distilling apparatus serial communications.
Preferably, the distilling apparatus includes body and the heater strip for heating the body.
Preferably, the quantity of the condensing unit is several.
Preferably, the concentrated sulfuric acid storage device is finished pot.
Preferably, the 6th outlet is connected with exhaust treatment system.
It is further preferable that the exhaust treatment system is caustic washing system.
It is discharged again after being handled tail gas using exhaust treatment system, reduces the pollution to environment.
Preferably, the first heater, secondary heating mechanism, third heating device and distilling apparatus are glass appearance
Device.
Preferably, it is provided on the first heater, secondary heating mechanism, third heating device and distilling apparatus
Heater strip.
It can easily realize that the heating of each device and temperature control using heater strip.
Compared with prior art, the utility model has the following beneficial effects:
Novel thin sulfuric acid thickener provided by the utility model passes through several heating devices, distilling apparatus and condensation dress
It sets, methanol present in dilute sulfuric acid, dimethyl ether, monochloro methane, methylene chloride, chloroform, carbon tetrachloride etc. can be effectively removed
The concentration of organic matter, the obtained concentrated sulfuric acid is not less than 97%, and other indexs meet the requirement of GBT534-2014 industrial sulphuric acid, concentration
It is high-efficient, it can be achieved that useless dilute sulfuric acid makes full use of.In addition, heat exchange is carried out to raw material dilute sulfuric acid using the obtained concentrated sulfuric acid,
The initial temperature for effectively increasing dilute sulfuric acid, is greatly saved the energy, reduces costs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the novel thin sulfuric acid thickener that embodiment 1 provides；
Fig. 2 is the partial structural diagram that purifying plant is concentrated in the novel dilute sulfuric acid that embodiment 1 provides；
Fig. 3 is another partial structural diagram that purifying plant is concentrated in the novel dilute sulfuric acid that embodiment 1 provides；
Wherein:
1 is first heater, and 101 be slag-drip opening；
2 be secondary heating mechanism；
3 be third heating device, and 301 be second outlet；
4 be distilling apparatus；
5 be condensing unit, and 501 export for third, and 502 be the 4th outlet；
7 be finished pot；
9 be exhaust treatment system；
10 be heater strip;
11 be tail gas buffer；
12 be tail gas compensator；
13 be dilute sulfuric acid conveying device；
14 be heat-exchange device.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with Figure of description
And specific embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.In addition, each implementation of the utility model disclosed below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in mode.
It should be noted that it both can be directly another when original part is referred to as " being set to ", " install in " another element
On element, there may also be elements placed in the middle.When an element is considered " to connect " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Embodiment 1
As illustrated in fig. 1 and 2, the present embodiment provides a kind of novel thin sulfuric acid thickeners, including the dilute sulfuric acid being sequentially communicated
Conveying device 13(, that is, head tank), for except carbon black first heater 1, for the secondary heating mechanism 2 of preheating, for removing
Third heating device 3, distilling apparatus 4 and the condensing unit 5 of water.
Specifically, first heater 1, secondary heating mechanism 2, third heating device 3 and distilling apparatus 4 are glass appearance
Device is provided with heater strip 10 thereon and is heated.
The lower part of first heater 1 is provided with slag-drip opening 101, and carbon black is periodically discharged using outlet 101.
Be provided with first outlet 201 on secondary heating mechanism 2, first outlet 201 successively with tail gas buffer 11 and tail gas
Processing system 9 is connected.
The quantity of third heating device 3 is 2, serial communication；Second outlet 301 is provided on third heating device 3, the
Two outlets 301 are successively connected with tail gas buffer 11 and exhaust treatment system 9.
Distilling apparatus 4 is connected with condensing unit 5, and third outlet 501 is connected with concentrated sulfuric acid storage device 7, specifically,
Concentrated sulfuric acid storage device 7 is finished pot.
The lower part and top of condensing unit 5 be respectively arranged with third outlet 501 and the 4th outlet 502, third outlet 501 with
Finished pot 7 is connected, and the 4th outlet 502 is successively connected with tail gas compensator 12.
Specific exhaust treatment system 9 is caustic washing system.
Heat-exchange device 14 is provided between head tank and finished pot, between the concentrated sulfuric acid realized and raw material dilute sulfuric acid
Heat exchange, effectively improve the initial temperature of dilute sulfuric acid.
The quantity of distilling apparatus 4, condensing unit 5 and air cooling pipe can be one or more, and such as Fig. 2 is one schematic diagram；
Such as Fig. 3, the quantity of distilling apparatus 4 is 4, is sequentially connected in series connection, each distilling apparatus 4 is connected with a condensing unit 5 respectively
It is logical.Other quantity can refer to this design and be adjusted.
Novel thin sulfuric acid thickener provided by the utility model is conveyed raw material dilute sulfuric acid by dilute sulfuric acid conveying device
Into first heater (controlled at 170 ~ 220 DEG C), organic matter (most of organic matter) forms charcoal during heating
It is black, and be periodically discharged using slag-drip opening, the quality of the final concentrated sulfuric acid can be effectively improved；Then it is carried out using secondary heating mechanism pre-
Heat removes moisture removal using third heating device (controlled at 220 ~ 250 DEG C), and obtaining the sulfuric acid of initial concentration, (concentration is about
90%) enter distilling apparatus, the vapor containing a small amount of acid gas is discharged by second outlet；Then make sulfuric acid using distilling apparatus
Solution boiling, gasification, are further concentrated, then the separation of the concentrated sulfuric acid and acid gas is carried out by condensing unit.Wherein, third goes out
Mouth obtains the concentrated sulfuric acid and is delivered in concentrated sulfuric acid storage device, and concentration is not less than 97%, and other indexs meet GBT534-2014 work
The requirement of industry sulfuric acid, thickening efficiency are high；4th outlet obtain acid gas, then after caustic washing system is handled, lye can transport to
Sewage treatment plant carries out stripping processing, reaches zero-emission.The temperature that third exports to obtain the concentrated sulfuric acid is higher, dilute with raw material using it
Sulfuric acid carries out heat exchange, and the initial temperature of raw material dilute sulfuric acid can be improved, energy saving.
The industrial concentrated sulfuric acid of high-purity can be obtained in novel dilute sulfuric acid concentration purifying plant provided by the utility model, realizes
The preferable utilization of resources.Heat exchange is carried out to raw material dilute sulfuric acid using the high heat of the obtained concentrated sulfuric acid simultaneously, is effectively increased
The initial temperature of dilute sulfuric acid, is greatly saved the energy, reduces costs.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the universal skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (10)
1. a kind of novel thin sulfuric acid thickener, which is characterized in that including be sequentially communicated dilute sulfuric acid conveying device (13), be used for
Except the first heater (1) of carbon black, the secondary heating mechanism (2) for preheating, the third heating device (3) for water removal,
Distilling apparatus (4) and condensing unit (5)；First outlet (201) are provided on the secondary heating mechanism (2)；The third adds
Second outlet (301) are provided in thermal (3)；The lower part and top of the condensing unit (5) are respectively arranged with third outlet
(501) and the 4th exports (502)；The third outlet (501) is connected with concentrated sulfuric acid storage device (7), and the dilute sulfuric acid is defeated
It send and is provided with heat-exchange device (14) between device (13) and concentrated sulfuric acid storage device (7).
2. novel thin sulfuric acid thickener according to claim 1, which is characterized in that under the first heater (1)
Portion is provided with slag-drip opening (101).
3. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the first outlet (201) and tail gas
Processing system (9) is connected.
4. novel thin sulfuric acid thickener according to claim 3, which is characterized in that the thin sulfuric acid thickener further includes
Tail gas buffer (11), the tail gas buffer (11) are connected with first outlet (201) and exhaust treatment system (9) respectively.
5. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the second outlet (301) and tail gas
Processing system (9) is connected.
6. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the concentrated sulfuric acid storage device (7) is
Finished pot.
7. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the 4th outlet (502) and tail gas
Processing system (9) is connected.
8. according to the novel thin sulfuric acid thickener of claim 4,5 or 7, which is characterized in that the exhaust treatment system (9)
For caustic washing system.
9. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the first heater (1), second
Heating device (2), third heating device (3) and distilling apparatus (4) are glass container.
10. novel thin sulfuric acid thickener according to claim 1, which is characterized in that the first heater (1),
Heater strip (10) are provided on two heating devices (2), third heating device (3) and distilling apparatus (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821933621.5U CN209696311U (en) | 2018-11-22 | 2018-11-22 | A kind of novel thin sulfuric acid thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821933621.5U CN209696311U (en) | 2018-11-22 | 2018-11-22 | A kind of novel thin sulfuric acid thickener |
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| Publication Number | Publication Date |
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| CN209696311U true CN209696311U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821933621.5U Active CN209696311U (en) | 2018-11-22 | 2018-11-22 | A kind of novel thin sulfuric acid thickener |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116271909A (en) * | 2023-04-13 | 2023-06-23 | 扬州嘉明环保科技有限公司 | Industrial dilute sulfuric acid distillation concentration tower |
-
2018
- 2018-11-22 CN CN201821933621.5U patent/CN209696311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116271909A (en) * | 2023-04-13 | 2023-06-23 | 扬州嘉明环保科技有限公司 | Industrial dilute sulfuric acid distillation concentration tower |
| CN116271909B (en) * | 2023-04-13 | 2024-01-16 | 扬州嘉明环保科技有限公司 | Industrial dilute sulfuric acid distillation concentration tower |
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