CN105688426A - Condensation negative pressure device based on sodium sulfide concentration evaporator - Google Patents
Condensation negative pressure device based on sodium sulfide concentration evaporator Download PDFInfo
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- CN105688426A CN105688426A CN201610212291.XA CN201610212291A CN105688426A CN 105688426 A CN105688426 A CN 105688426A CN 201610212291 A CN201610212291 A CN 201610212291A CN 105688426 A CN105688426 A CN 105688426A
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- stranguria
- cold type
- negative pressure
- steam pipe
- pressure steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to a condensation negative pressure device based on a sodium sulfide concentration evaporator. The condensation negative pressure device comprises a first-class negative pressure steam pipe, a foam supplementing device, a second-class negative pressure steam pipe, a cold spraying tower and a circulating water tank, wherein the lower part of a side wall of the foam supplementing device is communicated with the first-class negative pressure steam pipe; the upper end of the foam supplementing device is communicated with one end of the second-class negative pressure steam pipe; the lower part of the side wall of the cold spraying tower is communicated with the other end of the second-class negative pressure steam pipe; a circulating pool is arranged under the cold spraying tower; a cold spraying water return tank is arranged on one side of the circulating pool; the cold spraying water return tank is communicated with the lower part of the inner side of the circulating pool through a water absorption pipe; a cold spraying pump is arranged on one side of the cold spraying water return tank; the cold spraying water in the cold spraying water return tank is pumped to the top of the cold spraying tower through an upper cold spraying pipe; a lower cold spraying pipe is connected with the lower part of the cold spraying tower; and the lower end of the lower cold spraying pipe is communicated with the circulating water tank. The condensation negative pressure device has the advantages of low production cost and environment protection.
Description
Technical field
The present invention relates to akali sulphide and produce equipment technical field, be based particularly on the condensation negative pressure device of akali sulphide concentration evaporator。
Background technology
Akali sulphide, i.e. sodium sulfide, sodium sulfide is also known as smelly alkali, smelly soda, yellow alkali, akali sulphide。Sodium sulfide is inorganic compound, and pure sodium sulfide is colorless crystalline powder, and moisture absorption is strong, soluble in water。Aqueous solution is strong basicity reaction, can cause and burn when touching skin and hair。
Akali sulphide is widely used in chemical field, dye industry is used for produce sulfur dye, it it is the raw material of Sulfur Black and sulfur blue, it is used as to dissolve the dyeing auxiliaries of sulfur dye in printing and dyeing industry, leather industry makes dehairing of hides for hydrolysis, also in order to prepare sodium polysulphide with accelerate dried bark immersion help soft, the digestant of paper it is used as in paper industry, the reduction of staple fibre denitration and itrated compound it is used in textile industry, and the mordant of cotton fabric dyeing process, it is used for producing the antipyretics such as phenacetin in pharmaceuticals industry, additionally it is used for sodium thiosulfate processed, NaHS, sodium polysulphide etc.。The application of visible akali sulphide is widely。
But, the preparation of the akali sulphide of China generally adopts coal reduction method, proportionally coordinates by Natrii Sulfas and coal dust, calcining reduction, then forms liquid with sig water hot melt, after standing clarification, top high alkali liquid is concentrated, obtains solid sodium sulfide。In process of production, calcining furnace produces substantial amounts of flue gas, wherein contains the substantial amounts of waste gas that environment can be produced and pollute, environment is had a negative impact, and still have a large amount of waste heat to utilize after calcining and cause energy loss。, easily there is health problem the Manufacturing Worker of shopwork for a long time in the bad environments of workshop。
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that the low condensation negative pressure device based on akali sulphide concentration evaporator with environmental protection of a kind of production cost。
The purpose of the present invention is achieved through the following technical solutions: based on the condensation negative pressure device of akali sulphide concentration evaporator, negative pressure steam pipe is drawn including one-level, mend foam device, two grades are drawn negative pressure steam pipe, stranguria of cold type tower and cyclic water tank, the lower sidewall of described benefit foam device draws negative pressure steam pipe to connect with one-level, the upper end mending foam device connects with two grades of one end drawing negative pressure steam pipe, the lower sidewall of stranguria of cold type tower connects with two grades of other ends drawing negative pressure steam pipe, stranguria of cold type tower be arranged below circulating water pool, the side of circulating water pool is provided with stranguria of cold type recovery tank, stranguria of cold type recovery tank is connected with the lower inside of circulating water pool by suction hose, the side of stranguria of cold type recovery tank is provided with stranguria of cold type pump, stranguria of cold type water in stranguria of cold type recovery tank is passed through the stranguria of cold type upper hose pump top to stranguria of cold type tower by stranguria of cold type pump, the bottom of stranguria of cold type tower is also associated with stranguria of cold type downcomer, the lower end of stranguria of cold type downcomer connects with circulating water pool。
Further, described one-level draw negative pressure steam pipe and two grades draw negative pressure steam pipe to be inclined tube, and its admission end is higher than steam output end, and described one-level draws negative pressure steam pipe and two grades of gradients drawing negative pressure steam pipe to be 10～15 °。
Further, the described sidewall mending foam device being additionally provided with benefit foam device maintenance and observes door, the bottom mending foam device is additionally provided with drain pipe。
Further, the side of described stranguria of cold type tower is additionally provided with extraction steam pipe, and the upper end of extraction steam pipe connects with the top of stranguria of cold type tower, and lower end connects with the top of stranguria of cold type downcomer。
Further, the sidewall of described stranguria of cold type tower is additionally provided with the maintenance of stranguria of cold type tower and observes door。
Further, in described stranguria of cold type tower, it is disposed with polylith stranguria of cold type plate from top to bottom, and polylith stranguria of cold type plate staggers setting。
Further, described stranguria of cold type plate uniformly offers multiple equal discharge orifice。
Further, the bottom of described stranguria of cold type downcomer is additionally provided with stranguria of cold type water buffer memory case。
The invention have the advantages that
1, the whole equipment of the present invention runs and does not need substantial amounts of manual operation, individual device all can carry out long-distance intelligent control, it is simple to realizing Automated condtrol, the workload of the workman in workshop is greatly decreased, and need the quantity of workman to be also greatly reduced, reduce cost of labor。
2, the present invention is when steam is discharged, it is provided with two-stage and draws negative pressure steam pipe, pressure in evaporator is reduced, negative pressure equipment is taken out without extra, cost free can be realized and reduce the pressure in evaporator, so that the boiling point of the alkali liquor in evaporator reduces, liquid is easier to evaporation, reduces production cost further。
3, the side of stranguria of cold type tower is provided with extraction steam pipe, when the liquid after carrying out stranguria of cold type in stranguria of cold type tower is back to circulating water pool by stranguria of cold type downcomer, extraction steam pipe is internally formed negative pressure, the steam in stranguria of cold type tower is promoted to accelerate to move up, and the cold water contact quickly and on stranguria of cold type plate, unnecessary vapor portion is extracted out by extraction steam pipe, accelerates stranguria of cold type speed。
4, stranguria of cold type tower adopts water-cycling mode, and stranguria of cold type water recycles, and the harmful substance contained in steam is not discharged completely, it is achieved the zero-emission of harmful steam matter, more environmental protection。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is B-B sectional structure schematic diagram in Fig. 1；
In figure: 1-one-level draws negative pressure steam pipe, 2-mends foam device, 3-drain pipe, 4-mends the maintenance of foam device and observes door, and 5-bis-grades draws negative pressure steam pipe, 6-stranguria of cold type tower, 7-stranguria of cold type downcomer, 8-stranguria of cold type buffer memory case, 9-cyclic water tank, 10-suction hose, 11-stranguria of cold type recovery tank, 12-stranguria of cold type pump, 13-stranguria of cold type upper hose, 14-extraction steam pipe, door is observed in the maintenance of 15-stranguria of cold type tower, 16-stranguria of cold type plate, the equal discharge orifice of 17-。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated。
As shown in Figure 1, condensation negative pressure device based on akali sulphide concentration evaporator, negative pressure steam pipe 1 is drawn including one-level, mend foam device 2, two grades are drawn negative pressure steam pipe 5, stranguria of cold type tower 6 and cyclic water tank 9, the lower sidewall of described benefit foam device 2 draws negative pressure steam pipe 1 to connect with one-level, the upper end mending foam device 2 connects with two grades of one end drawing negative pressure steam pipe 3, the lower sidewall of stranguria of cold type tower 6 connects with two grades of other ends drawing negative pressure steam pipe 5, stranguria of cold type tower 6 be arranged below circulating water pool 9, the side of circulating water pool 9 is provided with stranguria of cold type recovery tank 11, stranguria of cold type recovery tank 11 is connected with the lower inside of circulating water pool 9 by suction hose 10, the side of stranguria of cold type recovery tank 11 is provided with stranguria of cold type pump 12, stranguria of cold type water in stranguria of cold type recovery tank 11 is passed through stranguria of cold type upper hose 13 pump top to stranguria of cold type tower 6 by stranguria of cold type pump 12, the bottom of stranguria of cold type tower 6 is also associated with stranguria of cold type downcomer 7, the lower end of stranguria of cold type downcomer 7 connects with circulating water pool 9。
As preferably, described one-level draw negative pressure steam pipe 1 and two grades draw negative pressure steam pipe 5 to be inclined tube, and its admission end is higher than steam output end, and described one-level draws negative pressure steam pipe 1 and two grades of gradients drawing negative pressure steam pipe 5 to be 10～15 °。One-level draws the steam in negative pressure steam pipe 1 to be more likely to flow in benefit foam device 2, and two grades of steam drawn in negative pressure steam pipe 5 are more likely to flow to stranguria of cold type tower 6, form two-stage and draw vacuum effect, make to be formed in evaporator negative pressure, reduce the boiling point of concentration akali sulphide raw material, the water in rare sulfuration alkali liquor is made to be easier to evaporation, thus reducing energy cost。
As preferably, the described sidewall mending foam device 2 being additionally provided with benefit foam device maintenance and observes door 4, the bottom mending foam device 2 is additionally provided with drain pipe 3, can be discharged mending the water of deposition in foam device 2 by drain pipe 3。。
As preferably, the side of described stranguria of cold type tower 6 is additionally provided with extraction steam pipe 14, the upper end of extraction steam pipe 14 connects with the top of stranguria of cold type tower 6, lower end connects with the top of stranguria of cold type downcomer 7, when the liquid after carrying out stranguria of cold type in stranguria of cold type tower 6 is back to circulating water pool 9 by stranguria of cold type downcomer 7, extraction steam pipe 14 is internally formed negative pressure, promotes the steam in stranguria of cold type tower 6 to accelerate to move up, and the cold water contact quickly and on stranguria of cold type plate 16, unnecessary vapor portion is extracted out by extraction steam pipe 14。
As preferably, the sidewall of described stranguria of cold type tower 6 being additionally provided with the maintenance of stranguria of cold type tower and observes door 15。
As preferably, in described stranguria of cold type tower 6, it is disposed with polylith stranguria of cold type plate 16 from top to bottom, and polylith stranguria of cold type plate 16 staggers setting so that stranguria of cold type water flows on stranguria of cold type plate 16, extends the time of contact between stranguria of cold type water and steam and contact area。
As preferably, as in figure 2 it is shown, uniformly offer multiple equal discharge orifice 17 on described stranguria of cold type plate 16, the stranguria of cold type water on stranguria of cold type plate 16, when flowing, can flow out in equal discharge orifice 17 and form water column, contact with the steam risen。
As preferably, the bottom of described stranguria of cold type downcomer 7 is additionally provided with stranguria of cold type water buffer memory case 8, after stranguria of cold type water flows out in stranguria of cold type tower 6, enters stranguria of cold type water buffer memory case 8 and carries out buffer memory, precipitation, and carries out degasification。
The work process of the present invention is as follows: steam in akali sulphide evaporator enter one-level draw negative pressure steam pipe 1, mend foam device 2 and two grades draw negative pressure steam pipe 5, enter in stranguria of cold type tower 6, stranguria of cold type water in cyclic water tank 9 is pumped into the top of stranguria of cold type tower 6 by stranguria of cold type pump 12 by stranguria of cold type upper hose 13, stranguria of cold type water carries over stranguria of cold type plate 16 and moves down, in the process, stranguria of cold type water contacts with steam, it is achieved quickly stranguria of cold type, and be back to cyclic water tank 9 by stranguria of cold type downcomer 7, and carried out buffer memory aerofluxus by stranguria of cold type buffer memory case 8。
Claims (8)
1. based on the condensation negative pressure device of akali sulphide concentration evaporator, it is characterized in that: include one-level and draw negative pressure steam pipe (1), mend foam device (2), two grades are drawn negative pressure steam pipe (5), stranguria of cold type tower (6) and cyclic water tank (9), the lower sidewall of described benefit foam device (2) draws negative pressure steam pipe (1) to connect with one-level, the upper end mending foam device (2) draws one end of negative pressure steam pipe (3) to connect with two grades, the lower sidewall of stranguria of cold type tower (6) draws the other end of negative pressure steam pipe (5) to connect with two grades, stranguria of cold type tower (6) be arranged below circulating water pool (9), the side of circulating water pool (9) is provided with stranguria of cold type recovery tank (11), stranguria of cold type recovery tank (11) is connected by the lower inside of suction hose (10) with circulating water pool (9), the side of stranguria of cold type recovery tank (11) is provided with stranguria of cold type pump (12), stranguria of cold type water in stranguria of cold type recovery tank (11) is passed through stranguria of cold type upper hose (13) pump top to stranguria of cold type tower (6) by stranguria of cold type pump (12), the bottom of stranguria of cold type tower (6) is also associated with stranguria of cold type downcomer (7), the lower end of stranguria of cold type downcomer (7) connects with circulating water pool (9)。
2. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterized in that: described one-level draw negative pressure steam pipe (1) and two grades draw negative pressure steam pipe (5) to be inclined tube, and its admission end is higher than steam output end, described one-level draws negative pressure steam pipe (1) and two grades of gradients drawing negative pressure steam pipe (5) to be 10～15 °。
3. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterised in that: being additionally provided with benefit foam device maintenance on the sidewall of described benefit foam device (2) and observe door (4), the bottom mending foam device (2) is additionally provided with drain pipe (3)。
4. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterized in that: the side of described stranguria of cold type tower (6) is additionally provided with extraction steam pipe (14), the upper end of extraction steam pipe (14) connects with the top of stranguria of cold type tower (6), and lower end connects with the top of stranguria of cold type downcomer (7)。
5. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterised in that: the sidewall of described stranguria of cold type tower (6) is additionally provided with the maintenance of stranguria of cold type tower and observes door (15)。
6. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterised in that: it is disposed with polylith stranguria of cold type plate (16) in described stranguria of cold type tower (6) from top to bottom, and polylith stranguria of cold type plate (16) staggers setting。
7. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 6, it is characterised in that: described stranguria of cold type plate (16) uniformly offers multiple equal discharge orifice (17)。
8. the condensation negative pressure device based on akali sulphide concentration evaporator according to claim 1, it is characterised in that: the bottom of described stranguria of cold type downcomer (7) is additionally provided with stranguria of cold type water buffer memory case (8)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212291.XA CN105688426B (en) | 2016-04-07 | 2016-04-07 | Condensation negative pressure device based on akali sulphide concentration evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212291.XA CN105688426B (en) | 2016-04-07 | 2016-04-07 | Condensation negative pressure device based on akali sulphide concentration evaporator |
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| Publication Number | Publication Date |
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| CN105688426A true CN105688426A (en) | 2016-06-22 |
| CN105688426B CN105688426B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610212291.XA Expired - Fee Related CN105688426B (en) | 2016-04-07 | 2016-04-07 | Condensation negative pressure device based on akali sulphide concentration evaporator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3074473A (en) * | 1957-12-23 | 1963-01-22 | H J Heinz Company Ltd | Vertical tube evaporators with downward pressure liquid flow |
| US5630914A (en) * | 1993-09-21 | 1997-05-20 | Pharm-Eco Laboratories, Inc. | Method and apparatus for decontaminating a liquid |
| CN101476825A (en) * | 2009-01-21 | 2009-07-08 | 东方电机控制设备有限公司 | Phase-change heat-exchange type secondary steam heat recovery utilization method, apparatus and use thereof |
| CN202223922U (en) * | 2011-08-25 | 2012-05-23 | 山东蓝星东大化工有限责任公司 | Negative pressure pumping device of dehydration tower |
| CN203837960U (en) * | 2014-04-24 | 2014-09-17 | 山西阳煤丰喜肥业(集团)有限责任公司 | Sampling device of negative pressure evaporator for agricultural calcium ammonium nitrate |
| CN205699502U (en) * | 2016-04-07 | 2016-11-23 | 四川省康鑫化工有限公司 | Condensation negative pressure device based on akali sulphide concentration evaporator |
-
2016
- 2016-04-07 CN CN201610212291.XA patent/CN105688426B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3074473A (en) * | 1957-12-23 | 1963-01-22 | H J Heinz Company Ltd | Vertical tube evaporators with downward pressure liquid flow |
| US5630914A (en) * | 1993-09-21 | 1997-05-20 | Pharm-Eco Laboratories, Inc. | Method and apparatus for decontaminating a liquid |
| CN101476825A (en) * | 2009-01-21 | 2009-07-08 | 东方电机控制设备有限公司 | Phase-change heat-exchange type secondary steam heat recovery utilization method, apparatus and use thereof |
| CN202223922U (en) * | 2011-08-25 | 2012-05-23 | 山东蓝星东大化工有限责任公司 | Negative pressure pumping device of dehydration tower |
| CN203837960U (en) * | 2014-04-24 | 2014-09-17 | 山西阳煤丰喜肥业(集团)有限责任公司 | Sampling device of negative pressure evaporator for agricultural calcium ammonium nitrate |
| CN205699502U (en) * | 2016-04-07 | 2016-11-23 | 四川省康鑫化工有限公司 | Condensation negative pressure device based on akali sulphide concentration evaporator |
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| CN105688426B (en) | 2018-03-16 |
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Granted publication date: 20180316 Termination date: 20200407 |