CN202193615U - Dilute sulfuric acid concentration processing equipment - Google Patents
Dilute sulfuric acid concentration processing equipment Download PDFInfo
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- CN202193615U CN202193615U CN201120286176XU CN201120286176U CN202193615U CN 202193615 U CN202193615 U CN 202193615U CN 201120286176X U CN201120286176X U CN 201120286176XU CN 201120286176 U CN201120286176 U CN 201120286176U CN 202193615 U CN202193615 U CN 202193615U
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- evaporator
- enamel
- tail gas
- acid concentration
- sulphuric acid
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Abstract
The utility model discloses dilute sulfuric acid concentration processing equipment comprising an overhead tank, a raw material pre-heater, a double-effect evaporator, a triple-effect evaporator, a concentrated solution pre-heater, a one-effect evaporator, an enamel evaporator and an enamel concentrator, which are connected with each other in sequence, wherein a tail gas purification tower and a second oxidation tank are respectively connected to the enamel concentrator; a purification tower circulating pump and a second tail gas condenser are respectively connected to the tail gas purification tower; and a first oxidation tank is connected to the second oxidation tank. The dilute sulfuric acid concentration processing equipment has the advantages that dilute sulfuric acid can be concentrated effectively; the heat energy of the whole evaporation system is fully utilized; energy loss is reduced; the recycling rate of dilute sulfuric acid is improved; the investment cost is reduced; and the economic benefit of an enterprise is maximized.
Description
Technical field
The utility model relates to the chemical plant field, particularly relates to a kind of spissated processing unit that is used for dilute sulphuric acid.
Background technology
Sulfuric acid is of many uses in chemical industry, but in most application process, exhausted sulfuric acid becomes impure dilute sulphuric acid, if these dilute sulphuric acids just are discharged in the environment without handling, will endanger ecotope, has caused the waste of resource.Along with the development of chemical industry with to the demand of environment protection, generally dilute sulphuric acid is concentrated recycle in the chemical industry now.
Usually dilute sulphuric acid adopts the method for the shunting of removing contamination; To mother liquor with in the lime with absorption method; This process can produce a large amount of pollutents; Have a large amount of pollution introduction and suspended substance in the waste water after handling simultaneously, and also need be, again through degraded with carry out a biological disposal upon with after the washes of certain acidity mixes.Such treatment process can consume a large amount of resources and cost, and thickening efficiency is not good, thereby has limited the recycling of dilute sulphuric acid.
The utility model content
The technical problem that the utility model mainly solves provides a kind of dilute sulphuric acid concentration technology equipment, can concentrate dilute sulphuric acid effectively through energy-efficient vapo(u)rization system, has improved the recovery utilization rate of dilute sulphuric acid.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of dilute sulphuric acid concentration technology equipment is provided; Comprise: the header tank, feed preheater, 2nd effect evaporator, triple-effect evaporator, liquid concentrator preheater, 1st effective evaporator, enamel evaporator and the enamel thickener that connect successively; Also be connected with the tail gas clean-up tower and second oxidation tank on the said enamel thickener respectively; Be connected with the scavenging tower recycle pump and second tail gas condenser on the said tail gas clean-up tower respectively, also be connected with first oxidation tank on said second oxidation tank.
In preferred embodiment of the utility model; Said dilute sulphuric acid concentration technology equipment also comprises a gas evaporator; The steam-in of said 1st effective evaporator, enamel evaporator and enamel thickener all is connected gas evaporator; The vapour outlet of said 1st effective evaporator connects the steam-in of 2nd effect evaporator, and the vapour outlet of said 2nd effect evaporator connects the steam-in of triple-effect evaporator, and the vapour outlet of said triple-effect evaporator is connected with respectively and coagulates the water pot and first tail gas condenser; Be connected with one on the said water pot with fixed attention and coagulate the water transferpump, said first tail gas condenser also is connected with second tail gas condenser.
In preferred embodiment of the utility model, the inside of said first tail gas condenser and second tail gas condenser is vacuum system.
In preferred embodiment of the utility model, the vapour outlet of said 1st effective evaporator, enamel evaporator and enamel thickener also is connected a BW T through the liquid concentrator preheater with feed preheater, is connected with a hot water supplying pump on the said BW T.
In preferred embodiment of the utility model, also be connected with a steam energy-saving appliance and a steam buffer jar on the said BW T in turn.
In preferred embodiment of the utility model, said dilute sulphuric acid concentration technology equipment also comprises a computer automatic controlled system.
The beneficial effect of the utility model is: the utility model concentrates dilute sulphuric acid through energy-efficient vapo(u)rization system effectively, has improved the recovery utilization rate of dilute sulphuric acid, has reduced cost of investment.
Description of drawings
Fig. 1 is the structural representation of the utility model dilute sulphuric acid concentration technology equipment one preferred embodiment;
The mark of each parts is following in the accompanying drawing: 1, header tank, 2, feed preheater, 3,2nd effect evaporator, 4, triple-effect evaporator, 5, the liquid concentrator transferpump; 6, liquid concentrator preheater, 7,1st effective evaporator, 8, enamel evaporator, 9, the enamel thickener, 10, the tail gas clean-up tower; 11, scavenging tower recycle pump, 12, second tail gas condenser, 13, second oxidation tank, 14, first oxidation tank; 15, gas evaporator, 16, coagulate water pot, 17, coagulate water transferpump, 18, first tail gas condenser; 19, BW T, 20, hot water supplying pump, 21, the steam energy-saving appliance, 22, the steam buffer jar.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the utility model is set forth in detail, thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, the utility model embodiment comprises:
A kind of dilute sulphuric acid concentration technology equipment comprises: the header tank 1, feed preheater 2,2nd effect evaporator 3, triple-effect evaporator 4, liquid concentrator preheater 6,1st effective evaporator 7, enamel evaporator 8 and the enamel thickener 9 that connect successively.Initial concentration is that concentration can reach 60%～70% after 35% dilute sulphuric acid concentrated through above-mentioned each equipment successively, and production efficiency is improved.
Be connected with tail gas clean-up tower 10 on the said enamel thickener 9; Be connected with the scavenging tower recycle pump 11 and second tail gas condenser 12 on the said tail gas clean-up tower 10 respectively; The industrial gaseous waste that the sulphuric acid concentration process produces enters into tail gas clean-up tower 10 and purifies; Carry out continuous circularly purifying through scavenging tower recycle pump 12 then, reduced the discharging of industrial gaseous waste.A purified gas part is discharged or is utilized after entering into second tail gas condenser, 12 condensation and collection.
Also be connected with second oxidation tank 13 on the said enamel thickener 9, also be connected with first oxidation tank 14 on said second oxidation tank 13.Other products except that sulfuric acid that produce in the enamel thickener 9 enter into second oxidation tank 13 successively and first oxidation tank 14 carries out oxidation, enter into subsequent processing through delivery system then.
Said dilute sulphuric acid concentration technology equipment also comprises a gas evaporator 15, and the steam-in of said 1st effective evaporator 7, enamel evaporator 8 and enamel thickener 9 all is connected gas evaporator 15.Connected the outlet of heat conductive oil inlet and thermal oil on the said gas evaporator 15, to gas evaporator 15 heating, produced primary steam successively through thermal oil.
The vapour outlet of said 1st effective evaporator 7 connects the steam-in of 2nd effect evaporator 3; The vapour outlet of said 2nd effect evaporator 3 connects the steam-in of triple-effect evaporator 4; The vapour outlet of said triple-effect evaporator 4 is connected with respectively and coagulates the water pot 16 and first tail gas condenser 18; Be connected with one on the said water pot 16 with fixed attention and coagulate water transferpump 17, said first tail gas condenser 18 also is connected with second tail gas condenser 12.Guarantee the gas circulation of vapo(u)rization system, guaranteed making full use of of gas heat energy.The inside of said first tail gas condenser 18 and second tail gas condenser 12 is vacuum system, has guaranteed internal condensation heat exchange effect.
1st effective evaporator 7 adopts primary steam to heat as thermal source; The secondary steam that 1st effective evaporator 7 steams is as the thermal source heating 2nd effect evaporator 3 of 2nd effect evaporator 3; The secondary steam that 2nd effect evaporator 3 steams is as the thermal source heating triple-effect evaporator 4 of triple-effect evaporator 4; The hydromining that coagulates of triple-effect evaporator 4 is collected with coagulating water pot 16; Discharge or utilize through coagulating water transferpump 17 then, the secondary steam of triple-effect evaporator 4 is discharged or is returned vapo(u)rization system after through first condensing surface, 18 condensation and collection and continues to utilize.
The vapour outlet of said 1st effective evaporator 7, enamel evaporator 8 and enamel thickener 9 also is connected a BW T 19 through liquid concentrator preheater 6 and feed preheater 2, is connected with a hot water supplying pump 20 on the said BW T 19.Also be connected with steam energy-saving appliance 21 and steam buffer jar 22 in turn on the vapour outlet of said 1st effective evaporator 7, enamel evaporator 8 and enamel thickener 9.
22 pairs of steam of steam buffer jar play shock absorption, can carry out gas-liquid separation to steam simultaneously, and wherein gas partly returns the vapo(u)rization system recycle, and liquid portion returns BW T 19 and discharges through hot water supplying pump 20.The thermo-efficiency of steam energy-saving appliance 21 is high, and the heat that can make full use of in the steam further provides heat energy for vapo(u)rization system.
1st effective evaporator 7, enamel evaporator 8 and enamel thickener 9 all adopt primary steam to do thermal source; This primary steam coagulates and utilizes through liquid concentrator preheater 6 and feed preheater 2 after water is concentrated that its waste heat is laggard goes into BW T 19; Wherein a part is discharged through hot water supplying pump 20, and another part returns vapo(u)rization system through steam buffer jar 22 and steam energy-saving appliance 21 and recycles.
The steam that the steam heating system of the utility model has adopted energy-conservation decompression technology to obtain reducing pressure through steam and water blended mode; Promptly make full use of the heat energy of whole vapo(u)rization system; Reduce the loss of energy, reduced cost of investment, guaranteed the maximization of business economic benefit.
Said dilute sulphuric acid concentration technology equipment also comprises a computer automatic controlled system.All control processs are by the chain realization full automatic control of computer automatic controlled system in the working process of the dilute sulphuric acid concentration technology equipment of the utility model; Reduced staff's working strength; Improve the accuracy of control, guaranteed the stability and the security of system's operation.
The working process of the dilute sulphuric acid concentration technology equipment of the utility model is: dilute sulphuric acid at first gets into header tank 1; Carry out preheating through feed preheater 2 then; Carry out evaporation concentration through 2nd effect evaporator 3, triple-effect evaporator 4 successively through the dilute sulphuric acid after the preheating; The liquid concentrator of evaporation concentration enters into 1st effective evaporator 7 evaporation concentration after getting into 6 preheatings of liquid concentrator preheaters through liquid concentrator transferpump 5, and then gets into enamel evaporator 8 successively and concentrate discharging with enamel thickener 9.
The steam heating process of the dilute sulphuric acid concentration technology equipment of the utility model is: 1st effective evaporator 7 usefulness primary steams heat; The secondary steam that 1st effective evaporator 7 steams is as the thermal source heating 2nd effect evaporator 3 of 2nd effect evaporator 3, and the secondary steam that 2nd effect evaporator 3 steams is as the thermal source heating triple-effect evaporator 4 of triple-effect evaporator 4.The hydromining that coagulates of triple-effect evaporator 4 is collected with coagulating water pot 16, discharges through coagulating water transferpump 17 then, and the secondary steam of triple-effect evaporator 4 is discharged or returned vapo(u)rization system after through first tail gas condenser, 18 condensation and collection and continues to utilize.Enamel evaporator 8 is also done thermal source with primary steam with enamel thickener 9; This primary steam coagulates and utilizes through liquid concentrator preheater 6 and feed preheater 2 after water is concentrated that its waste heat is laggard goes into BW T 19; Wherein a part is discharged through hot water supplying pump 20, and another part returns vapo(u)rization system through steam buffer jar 22 and steam energy-saving appliance 21 and recycles.
The beneficial effect of the utility model is: initial concentration is after to be 35% dilute sulphuric acid through this dilute sulphuric acid concentration technology equipment concentrate, and can obtain concentration and be 60%～70% sulfuric acid, and production efficiency is improved; The steam heating system of this dilute sulphuric acid concentration technology equipment has adopted the steam that energy-conservation decompression technology obtains reducing pressure through steam and water blended mode simultaneously; Promptly make full use of the heat energy of whole vapo(u)rization system; Reduced the loss of energy; Reduce cost of investment, guaranteed the maximization of business economic benefit.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (6)
1. dilute sulphuric acid concentration technology equipment; It is characterized in that; Comprise: the header tank, feed preheater, 2nd effect evaporator, triple-effect evaporator, liquid concentrator preheater, 1st effective evaporator, enamel evaporator and the enamel thickener that connect successively; Also be connected with the tail gas clean-up tower and second oxidation tank on the said enamel thickener respectively, be connected with the scavenging tower recycle pump and second tail gas condenser on the said tail gas clean-up tower respectively, also be connected with first oxidation tank on said second oxidation tank.
2. dilute sulphuric acid concentration technology equipment according to claim 1; It is characterized in that; Said dilute sulphuric acid concentration technology equipment also comprises a gas evaporator, and the steam-in of said 1st effective evaporator, enamel evaporator and enamel thickener all is connected gas evaporator, and the vapour outlet of said 1st effective evaporator connects the steam-in of 2nd effect evaporator; The vapour outlet of said 2nd effect evaporator connects the steam-in of triple-effect evaporator; The vapour outlet of said triple-effect evaporator is connected with respectively and coagulates the water pot and first tail gas condenser, is connected with one on the said water pot with fixed attention and coagulates the water transferpump, and said first tail gas condenser also is connected with second tail gas condenser.
3. dilute sulphuric acid concentration technology equipment according to claim 2, the inside of said first tail gas condenser and second tail gas condenser is vacuum system.
4. dilute sulphuric acid concentration technology equipment according to claim 2; It is characterized in that; The vapour outlet of said 1st effective evaporator, enamel evaporator and enamel thickener also is connected a BW T through the liquid concentrator preheater with feed preheater, is connected with a hot water supplying pump on the said BW T.
5. dilute sulphuric acid concentration technology equipment according to claim 4 is characterized in that, also is connected with a steam energy-saving appliance and a steam buffer jar on the said BW T in turn.
6. dilute sulphuric acid concentration technology equipment according to claim 1 is characterized in that, said dilute sulphuric acid concentration technology equipment also comprises a computer automatic controlled system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120286176XU CN202193615U (en) | 2011-08-08 | 2011-08-08 | Dilute sulfuric acid concentration processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120286176XU CN202193615U (en) | 2011-08-08 | 2011-08-08 | Dilute sulfuric acid concentration processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202193615U true CN202193615U (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120286176XU Expired - Fee Related CN202193615U (en) | 2011-08-08 | 2011-08-08 | Dilute sulfuric acid concentration processing equipment |
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| CN (1) | CN202193615U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670315A (en) * | 2017-09-30 | 2018-02-09 | 无锡英罗唯森科技有限公司 | Sulphuric acid concentration system and technique |
| CN107963616A (en) * | 2017-12-29 | 2018-04-27 | 无锡英罗唯森科技有限公司 | A kind of evaporator for sulphuric acid concentration |
| CN108905245A (en) * | 2018-05-18 | 2018-11-30 | 江苏中吴环境工程有限公司 | A kind of Waste Sulfuric Acid circulation concentrating regenerative utilizes system and its working method |
| CN114558335A (en) * | 2022-03-17 | 2022-05-31 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
-
2011
- 2011-08-08 CN CN201120286176XU patent/CN202193615U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670315A (en) * | 2017-09-30 | 2018-02-09 | 无锡英罗唯森科技有限公司 | Sulphuric acid concentration system and technique |
| CN107963616A (en) * | 2017-12-29 | 2018-04-27 | 无锡英罗唯森科技有限公司 | A kind of evaporator for sulphuric acid concentration |
| CN108905245A (en) * | 2018-05-18 | 2018-11-30 | 江苏中吴环境工程有限公司 | A kind of Waste Sulfuric Acid circulation concentrating regenerative utilizes system and its working method |
| CN114558335A (en) * | 2022-03-17 | 2022-05-31 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
| CN114558335B (en) * | 2022-03-17 | 2024-03-12 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20140808 |
|
| EXPY | Termination of patent right or utility model |