CN202786926U - Black liquor tank used for extracting saponified matter - Google Patents
Black liquor tank used for extracting saponified matter Download PDFInfo
- Publication number
- CN202786926U CN202786926U CN 201220460021 CN201220460021U CN202786926U CN 202786926 U CN202786926 U CN 202786926U CN 201220460021 CN201220460021 CN 201220460021 CN 201220460021 U CN201220460021 U CN 201220460021U CN 202786926 U CN202786926 U CN 202786926U
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- China
- Prior art keywords
- saponified
- black liquor
- saponified matter
- bucket
- extraction
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- Expired - Fee Related
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Abstract
The utility model relates to a black liquor tank used for extracting saponified matter, comprising a tank body (5), a hose (2), a saponified matter containing hopper (3) and a lifting device (4), wherein the tank body (5) is provided with a saponified matter outflow pipe (1) positioned in the middle of the height direction of the tank body (5); the first end of the hose (2) is connected with the inner end of the saponified matter outflow pipe (1); the saponified matter containing hopper (3) is connected with the second end of the hose (2); and the lifting device (4) is connected with the containing hopper (3) and is arranged at the top end of the tank body (5). When the liquid level of the black liquor in the tank is higher than the position of the saponified matter outflow pipe (1), discharge of the saponified matter can be controlled and the separating and retaining time of the saponified matter can be adjusted at any time without being limited by the height of the liquid level, thereby preventing deterioration of the saponified matter caused by long-time storage, improving the extracting efficiency of the saponified matter, and simultaneously being beneficial to controlling the separating concentration of the saponified matter, saving energy consumption and reducing loss of black liquor.
Description
Technical field
The utility model relates to pulping and paper-making alkali recovery technology field, especially relates to a kind of alkali and reclaims the black liquor slot that is used for saponified extraction in the black liquor vaporizing process.
Background technology
In cork soda pulping process process, the resin acid that disengages with various saponified sodium-salt forms, aliphatic acid and saponifiable matter not enter vapo(u)rization system after black liquid extraction, it is reclaimed important economic worth, it is fully reclaimed, also be conducive to the evaporation operation that alkali reclaims.Saponified extracting method generally adopts: the rare black liquor of slurrying, leaves standstill through half concentrated black liquid groove behind finite concentration through evaporation and concentration, and is saponified in black liquor slot extraction after leaving standstill the stop separation.A kind of tall oil recovery method is disclosed such as CN101392148A, in the soda pulping process paper process take pine as raw material, paper pulp is isolated black liquor of pulp making through washing after the boiling, sending evaporation section to be concentrated into concentration through dehydration by evaporation black liquor is 35～45% half concentrated black liquid, after leaving standstill, the saponified storage tank top that floats in half concentrated black liquid is collected saponified from the top of half concentrated black liquid storage tank.The saponified outlet that is used for the black liquor slot of saponified extraction in traditional black liquor vaporizing process is positioned at top one side of cell body, is provided with or does not establish the cofferdam that is connected with outlet at the black liquor slot inwall.In the production process, the saponified top that rises to black liquor in the black liquor slot after leaving standstill then by the liquid level of black liquor in the flow lifting groove of regulating black liquor in the turnover black liquor slot, makes and saponifiedly flows out and separate from outlet.Saponified extraction is subjected to the impact of saponified extraction black liquor slot liquid level in the production process larger, especially larger at the evaporation fluctuation, in the lower situation of saponified extraction tank liquid level, saponified can not in time extracting, the long-time operation such as need, could implement saponified extraction operation in the lifting groove after the liquid level, saponified stop disengaging time often is difficult to the state that reaches desirable, the saponified change in concentration that extracts from black liquor is larger in addition, the saponified concentration of extracting the later stage is lower, saponified separating effect is undesirable, and saponified recovery rate is low.
The utility model content
Reclaim the defective of existing saponified extractive technique in the black liquor vaporizing process in order to overcome alkali, technical problem to be solved in the utility model provides a kind of black liquor slot for saponified extraction, can adapt to the variation of saponified extraction black liquor slot liquid level, make saponified extraction be in better state of the art, improve saponified recovery rate and quality.
In order to solve the problems of the technologies described above, the black liquor slot that is used for saponified extraction that the utility model provides comprises cell body, has the saponified effuser that is positioned at described cell body short transverse middle part; First end and the inner flexible pipe that is connected of described saponified effuser black liquor slot; The saponified bucket of taking in that is connected with described flexible pipe the second end; With the described lowering or hoisting gear that struggles against and be connected of taking in, described lowering or hoisting gear is arranged on the top of described cell body.
Further, be used for the black liquor slot of saponified extraction, described saponified bucket, described lowering or hoisting gear and the described cell body concentric taken in.
Further, the saponified bucket of taking in that is used for the black liquor slot of saponified extraction is turbination, and top cross-section is long-pending long-pending greater than the bottom section, and saponified bottom of taking in bucket is connected with the second end of described flexible pipe.
Further, the lowering or hoisting gear that is used for the black liquor slot of saponified extraction is spiral lift.
In the situation of not conflicting, above-mentioned improvement or preferred version can separately or merge to be implemented.
The beneficial effect that the utility model brings: saponified effuser is positioned at the middle part of cell body short transverse, its black liquor slot the inner and saponified taking between the bucket connect by flexible pipe, regulate saponified position height of taking in bucket by lowering or hoisting gear, not limited by the height of liquid level in the saponified separation black liquor slot, control at any time saponified discharge, adjust saponified stop extraction time according to the condition of production, in time reclaim saponified, prevent from causing saponified rottenly because of long time stored, improve saponified recovery rate.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the black liquor slot structural representation that embodiment is used for saponified extraction.
The specific embodiment
Embodiment as shown in Figure 1 is used for the black liquor slot of saponified extraction, and cell body 5 is cylinder, is welded with the saponified effuser 1 that supplies saponified outflow at cell body 5 medium position highly; Centre on the top of cell body 5 is provided with spiral lift 4; The bottom of spiral lift 4 is connected with the saponified bucket 3 of taking in of turbination; Cell body 5, saponified bucket 3, the spiral lift 4 taken in are on same axle center.Inner and saponified bottom of taking in bucket 3 links together flexible pipe 2 with saponified effuser 1 black liquor slot, and the black liquor slot outer end of saponified effuser 1 is connected to saponified feeder.Black liquor slot the inner and saponified the taking between the bucket of saponified effuser 1 connect by flexible pipe, in the production process, when the black liquor liquid level is higher than the installation site of saponified effuser 1 in the black liquor slot, even the liquid level in the black liquor slot is lower, regulate saponified position height of taking in bucket 3 by spiral lift 4, not limited by the height of liquid level in the saponified extraction black liquor slot, control at any time saponified discharge, adjust saponified stop extraction time according to the condition of production, in time reclaim saponified, prevent because of long time stored cause saponified rotten, improve saponified recovery rate, be conducive to simultaneously control the concentration of saponified extraction, save energy consumption, reduce black liquor bleed, in addition, when extraction was saponified, turnover effect concentration and the flow of black liquor can not change, and are conducive to the steam supply of steady production and heat supply network.
The above only is preferred embodiment of the present utility model, and limits never in any form the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. a black liquor slot that is used for saponified extraction comprises cell body (5), it is characterized in that: have the saponified effuser (1) that is positioned at described cell body (5) short transverse middle part; First end and the inner flexible pipe (2) that is connected of described saponified effuser (1) black liquor slot; The saponified bucket (3) of taking in that is connected with described flexible pipe (2) second ends; Take in the lowering or hoisting gear (4) that bucket (3) is connected with described, described lowering or hoisting gear (4) is arranged on the top of described cell body (5).
2. the black liquor slot for saponified extraction according to claim 1 is characterized in that: described saponified bucket (3), described lowering or hoisting gear (4) and described cell body (5) concentric taken in.
3. the black liquor slot for saponified extraction according to claim 1 and 2, it is characterized in that: the described saponified bucket (3) of taking in is turbination, and saponified bottom of taking in bucket (3) is connected with the second end of described flexible pipe (2).
4. the black liquor slot for saponified extraction according to claim 1 and 2, it is characterized in that: described lowering or hoisting gear (4) is spiral lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220460021 CN202786926U (en) | 2012-09-11 | 2012-09-11 | Black liquor tank used for extracting saponified matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220460021 CN202786926U (en) | 2012-09-11 | 2012-09-11 | Black liquor tank used for extracting saponified matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786926U true CN202786926U (en) | 2013-03-13 |
Family
ID=47814214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220460021 Expired - Fee Related CN202786926U (en) | 2012-09-11 | 2012-09-11 | Black liquor tank used for extracting saponified matter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786926U (en) |
-
2012
- 2012-09-11 CN CN 201220460021 patent/CN202786926U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130911 |