CN202099648U - Circulating system of cooking pot - Google Patents
Circulating system of cooking pot Download PDFInfo
- Publication number
- CN202099648U CN202099648U CN 201120186610 CN201120186610U CN202099648U CN 202099648 U CN202099648 U CN 202099648U CN 201120186610 CN201120186610 CN 201120186610 CN 201120186610 U CN201120186610 U CN 201120186610U CN 202099648 U CN202099648 U CN 202099648U
- Authority
- CN
- China
- Prior art keywords
- pot body
- digester
- liquid outlet
- communicated
- filter plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Paper (AREA)
Abstract
The utility model relates to the technical field of the pulp processing equipment, in particular to a circulating system of a cooking pot. The circulating system comprises the cooking pot, a circulating pump and a steam heater, wherein the cooking pot comprises a pot body, the lower part of the pot body is provided with a lower cone part with the upper part being bigger than the lower part, a charging port is arranged at the top end of the pot body, a top liquid-replacing port is arranged on the outer wall of the top of the pot body, a middle liquid outlet is arranged on the outer wall of the middle of the pot body, a bottom liquid inlet is arranged at the bottom end of the lower cone part, a top filter plate is arranged at the inner top of the pot body, and a middle filter plate is arranged inside the pot body and is close to the middle liquid outlet. In the circulating system of the cooking pot, the top filter plate is used for preventing slice materials from rushing out of the pot body when the liquid is added through the bottom liquid inlet at the bottom of the pot body; the middle filter plate is used for preventing the slice materials from being pumped out of the pot body when liquid is pumped from the middle liquid outlet so as to prevent a pipeline or the circulating pump from being blocked to ensure the regular production of the circulating system of the cooking pot, therefore, the maintenance cost of the equipment is reduced, and the practical applicability is strong.
Description
Technical field
The utility model relates to the paper pulp technical field of processing equipment, refers in particular to a kind of digester circulatory system.
Background technology
Modern papermaking program can be divided into slurrying, modulates, manufactures paper with pulp, the key steps such as screening processing of paper stock, and slurrying is the first step of papermaking, and the method that generally timber is transformed into paper pulp has three kinds of mechanical pulping method, chemical pulping method and semichemical pulping methods etc.; Another emphasis that is modulated to papermaking of paper stock, quality, the length of paper pot-life of the intensity after paper is accomplished, tone, printing are directly relevant with it; General common modulated process is broadly divided into following three steps: A, the slurry that looses, and B, making beating, add glue and filling at C; Be the process of manufacturing paper with pulp then, the groundwork of copying paper department is for rare paper stock, it is interweaved uniformly and dewater, again warp drying, press polish, coil paper, cut, sort, pack the paper of using that obtains market sale afterwards.
Chemical pulp is to sneak into boiling (Cooking) timber with chemicals, makes the fiber easy separation of raw material.The boiling purpose is to produce chemical reaction with chemicals and raw material such as wooden, to get rid of lignin, usually makes the materials of paper pulp to stay fiber.The capital equipment that boiling processing is used is the digester circulatory system, need be in the digestion process of digester in the bottom of digester liquid feeding, but if the flow of liquid feeding is not accurate enough, tablet takes place easily goes out digester; In addition, when drawing liquid is carried out at the middle part of digester, extract the tablet in the digester out digester easily, had a strong impact on the ordinary production of the digester circulatory system, efficient is lower.
Summary of the invention
The technical problem that the utility model will solve prevents when providing a kind of liquid feeding that tablet from going out digester, prevents during drawing liquid that tablet from extracting the digester circulatory system of digester out.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: the digester circulatory system comprises digester, circulating pump and steam heater; Said digester comprises a pot body, and the bottom of this pot body is provided with up big and down small hypocone, and the top of this pot body is provided with charging door; The top exterior walls of this pot body is provided with top displacement liquid mouth; This top displacement liquid mouth is communicated with the inner chamber of pot body, and the middle part outer wall of said pot body is provided with the middle part liquid outlet, and this middle part liquid outlet is communicated with the inner chamber of pot body; The bottom of said hypocone is provided with the bottom inlet; This bottom inlet and said top displacement liquid mouth all are communicated with the outlet of said steam heater, and said outlet of circulating pump is communicated with the inlet of steam heater, and said middle part liquid outlet is communicated with the inlet of circulating pump; The inner top of said pot body is provided with the top filter plate, is provided with the middle part filter plate near the inner chamber of the pot body of middle part liquid outlet.
Preferably, the quantity of said middle part liquid outlet is at least three, and said at least three middle part liquid outlet annulars are distributed in the middle part outer wall of pot body, and these at least three middle part liquid outlets all are communicated with the inlet of said circulating pump.
Another is preferred, and the quantity of said middle part liquid outlet is at least two, and these at least two middle part liquid outlets all are communicated with the inlet of said circulating pump.
Wherein, said steam heater is the live (open) steam heater.
Wherein, the bottom of said pot body is provided with feet.
The beneficial effect of the utility model is: the utility model provides a kind of digester circulatory system, comprises digester, circulating pump and steam heater, and said digester comprises a pot body; The bottom of this pot body is provided with up big and down small hypocone; The top of this pot body is provided with charging door, and the top exterior walls of this pot body is provided with top displacement liquid mouth, and this top displacement liquid mouth is communicated with the inner chamber of pot body; The middle part outer wall of said pot body is provided with the middle part liquid outlet; This middle part liquid outlet is communicated with the inner chamber of pot body, and the bottom of said hypocone is provided with the bottom inlet, and this bottom inlet and said top displacement liquid mouth all are communicated with the outlet of said steam heater; Said outlet of circulating pump is communicated with the inlet of steam heater; Said middle part liquid outlet is communicated with the inlet of circulating pump, and the inner top of said pot body is provided with the top filter plate, is provided with the middle part filter plate near the inner chamber of the pot body of middle part liquid outlet.The inner top of the said digester of the utility model is provided with the top filter plate, and the effect of top filter plate is to prevent that in the bottom of bottom of pot body tablet from going out a pot body during inlet liquid feeding; Pot nside near the middle part liquid outlet is provided with the middle part filter plate; The effect of middle part filter plate is to prevent a tablet extraction pot body when middle part liquid outlet is carried out drawing liquid, prevents that pipeline or circulating pump from stopping up, and guarantees the ordinary production of the said digester circulatory system; Guarantee the normal operation of each parts of the said digester circulatory system; Improve boiling efficiency, reduce cost of equipment maintenance, practical.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that embodiment is mentioned not is the qualification to the utility model.
As shown in Figure 1, a kind of digester circulatory system comprises digester, circulating pump 1 and steam heater 2; Said digester comprises pot body 3, and the bottom of this pot body 3 is provided with up big and down small hypocone 4, and the top of this pot body 3 is provided with charging door 5; The top exterior walls of this pot body 3 is provided with top displacement liquid mouth 6; This top displacement liquid mouth 6 is communicated with the inner chamber of pot body 3, and the middle part outer wall of said pot body 3 is provided with middle part liquid outlet 7, and this middle part liquid outlet 7 is communicated with the inner chamber of pot body 3; The bottom of said hypocone 4 is provided with bottom inlet 8; This bottom inlet 8 all is communicated with the outlet of steam heater 2 with said top displacement liquid mouth 6, and the outlet of said circulating pump 1 is communicated with the inlet of steam heater 2, and said middle part liquid outlet 7 is communicated with the inlet of circulating pump 1; The inner top of said pot body 3 is provided with top filter plate 9, is provided with middle part filter plate 10 near the inner chamber of the pot body 3 of middle part liquid outlet 7.
Operation principle: the charging door 5 of raw material through the digester top adds in the pot body 3, after the material in the pot body 3 is full, adds low-pressure steam and middle pressure steam, and tablet is carried out prehydrolysis; After prehydrolysis finishes, add the white liquid and the acid solution after the prehydrolysis, again from the bottom inlet 8 adding cooking liquors of pot body 3 bottoms, begin raw material is carried out boiling subsequently through bottom inlet 8 from pot body 3 bottoms; In the digestion process; Cooking liquor passes through the middle part filter plate 10 of pot body 3 earlier; Liquid outlet 7 is extracted out and is got into circulating pumps 1 through the middle part again, and cooking liquor is pumped to steam heater 2 and heated under the effect of circulating pump 1, gets in the pot bodies 3 through top displacement liquid mouth 6 and top displacement liquid mouth 6 through the cooking liquor after the heating; Guaranteeing that a pot inner cooking liquid is evenly distributed, and guarantee the temperature in the digester through the circulation heating; Thereby realize the circulation heating function of the said digester circulatory system.
The inner top of the said digester of the utility model is provided with top filter plate 9, and the effect of top filter plate 9 is to prevent that when bottom inlet 8 liquid feedings of pot body 3 bottoms tablet from going out pot body 3; Pot body 3 set inside near middle part liquid outlet 7 have middle part filter plate 10; The effect of middle part filter plate 10 is to prevent a tablet extraction pot body 3 when middle part liquid outlet 7 is carried out drawing liquid, prevents that pipeline or circulating pump 1 from stopping up, and guarantees the ordinary production of the said digester circulatory system; Guarantee the normal operation of each parts of the said digester circulatory system; Improve boiling efficiency, reduce cost of equipment maintenance, practical.
The quantity of the said middle part liquid outlet 7 of present embodiment is six; Said six middle part liquid outlet 7 annulars are distributed in the middle part outer wall of pot body 3; Six middle part liquid outlets 7 all are communicated with the inlet of said circulating pump 1; So that in pot body 3, extract cooking liquor more equably, improve the filter effect of middle part filter plate 10, practicality is stronger.Certainly, the quantity of said middle part liquid outlet 7 can also be three, and three middle part liquid outlets 7 all are communicated with the inlet of said circulating pump 1, and its technical scheme is similar to the aforementioned embodiment, equally also can reach above-mentioned technique effect.
The live (open) steam heater of said steam heater 2 for can directly having bought on the market of present embodiment; With the temperature in maintenance or the adjustment digester; The efficiency of heating surface of this live (open) steam heater is higher, further improves the boiling efficiency and the cooking quality of the said digester circulatory system; In addition, the live (open) steam heater that can directly buy on the market need not special manufacturing, reduces the input cost of equipment.
The bottom of the said pot body 3 of present embodiment is provided with feet 11, is used for supporting pot body 3, strengthens the steadiness that said pot body 3 is positioned over ground, and practicality is stronger.
The foregoing description is one of preferable implementation of the utility model; In addition; The utility model can also alternate manner realizes, in any conspicuous replacement under the prerequisite that does not break away from the utility model inventive concept all within the protection domain at the utility model.
Claims (5)
1. the digester circulatory system; Comprise digester, circulating pump (1) and steam heater (2); Said digester comprises a pot body (3), and the bottom of this pot body (3) is provided with up big and down small hypocone (4), and the top of this pot body (3) is provided with charging door (5); The top exterior walls of this pot body (3) is provided with top displacement liquid mouth (6); This top displacement liquid mouth (6) is communicated with the inner chamber of pot body (3), and the middle part outer wall of said pot body (3) is provided with middle part liquid outlet (7), and this middle part liquid outlet (7) is communicated with the inner chamber of pot body (3); The bottom of said hypocone (4) is provided with bottom inlet (8); This bottom inlet (8) and said top displacement liquid mouth (6) all are communicated with the outlet of said steam heater (2), and the outlet of said circulating pump (1) is communicated with the inlet of steam heater (2), and said middle part liquid outlet (7) is communicated with the inlet of circulating pump (1); It is characterized in that: the inner top of said pot body (3) is provided with top filter plate (9), is provided with middle part filter plate (10) near the inner chamber of the pot body (3) of middle part liquid outlet (7).
2. the digester circulatory system according to claim 1; It is characterized in that: the quantity of said middle part liquid outlet (7) is at least three; Said at least three middle part liquid outlet (7) annulars are distributed in the middle part outer wall of a pot body (3), and these at least three middle part liquid outlets (7) all are communicated with the inlet of said circulating pump (1).
3. the digester circulatory system according to claim 1 is characterized in that: the quantity of said middle part liquid outlet (7) is at least two, and these at least two middle part liquid outlets (7) all are communicated with the inlet of said circulating pump (1).
4. the digester circulatory system according to claim 1 is characterized in that: said steam heater (2) is the live (open) steam heater.
5. the digester circulatory system according to claim 1 is characterized in that: the bottom of said pot body (3) is provided with feet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120186610 CN202099648U (en) | 2011-06-03 | 2011-06-03 | Circulating system of cooking pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120186610 CN202099648U (en) | 2011-06-03 | 2011-06-03 | Circulating system of cooking pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202099648U true CN202099648U (en) | 2012-01-04 |
Family
ID=45385670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120186610 Expired - Fee Related CN202099648U (en) | 2011-06-03 | 2011-06-03 | Circulating system of cooking pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202099648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978987A (en) * | 2012-12-24 | 2013-03-20 | 江苏华机环保设备有限责任公司 | Vertical cooker |
| CN105169424A (en) * | 2015-10-10 | 2015-12-23 | 无锡德沃精工设备有限公司 | Vertical boiling and bleaching equipment |
-
2011
- 2011-06-03 CN CN 201120186610 patent/CN202099648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978987A (en) * | 2012-12-24 | 2013-03-20 | 江苏华机环保设备有限责任公司 | Vertical cooker |
| CN105169424A (en) * | 2015-10-10 | 2015-12-23 | 无锡德沃精工设备有限公司 | Vertical boiling and bleaching equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2224059B1 (en) | Grass type unbleached paper products and production method thereof | |
| US20110272110A1 (en) | Method and system for high alpha dissolving pulp production | |
| RU2555655C2 (en) | Method and system for thin chips boiling in digester | |
| US7976675B2 (en) | Continuous digester system | |
| WO2011138634A1 (en) | Method and system for high alpha dissolving pulp production | |
| CN102086609B (en) | Sulfate pulping process by mixing soft wood with hard wood | |
| NO179918B (en) | Process and apparatus for producing power mass | |
| CN101100820B (en) | Method for producing Chinese red pine chemical pulp | |
| CN202099648U (en) | Circulating system of cooking pot | |
| CN107109788B (en) | Continuously cooking and feed system | |
| WO2004050983A1 (en) | Method and system for treatment of wood chips | |
| CN104863004B (en) | Cotton brei pulp preparation and pollution treatment method | |
| CN1865583B (en) | Pulping process for mixed Devil's Rush herb and reed | |
| CN102639785B (en) | Method and arrangement for adding treatment liquors to cellulose raw material in a continuous process using down flow vessels | |
| CN112405739B (en) | A kind of preparation method of sodium lignosulfonate | |
| CN202099650U (en) | Improved digester | |
| AU2010202496A1 (en) | Method and system for high alpha dissolving pulp production | |
| CN108193539A (en) | A kind of preparation method for obtaining uniformly separation eucalyptus pulp fibers | |
| CN202099649U (en) | Liquid pumping system of digester | |
| CN109235103A (en) | A kind of pine sheet and wealthy miscellaneous mixed sulfate chemical pulping process | |
| WO2012147094A1 (en) | Method and system for extraction of black liquor from a horizontal tube continuous digester | |
| CN108221436A (en) | A kind of preparation method of natural color pulp paper | |
| CN103147332B (en) | Tri-displacement cooking method | |
| CN102644211A (en) | Preparation method of industrial hemp full stalk bleaching chemical pulp | |
| CN202099652U (en) | Circular heating system of paper pulp |
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: 20120104 Termination date: 20180603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |