CN103712198A - Multi-step steam pressure digestion absorber and application thereof - Google Patents
Multi-step steam pressure digestion absorber and application thereof Download PDFInfo
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- CN103712198A CN103712198A CN201410001581.0A CN201410001581A CN103712198A CN 103712198 A CN103712198 A CN 103712198A CN 201410001581 A CN201410001581 A CN 201410001581A CN 103712198 A CN103712198 A CN 103712198A
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Abstract
The invention relates to a multi-step steam pressure digestion absorber and application thereof. The multi-step steam pressure digestion absorber comprises a digestion absorber body, an air inlet pipe, a distribution head, a first electric valve, a first branch steam pipe, a first digester, a second electric valve, a second branch steam pipe, a second digester, a third electric valve, a third branch steam pipe, a third digester and a pressure meter. The multi-step steam pressure digestion absorber solves the problems that instant pressure is high and vapor emission of a rotary spherical digester is blocked due to the fact that the rotary spherical digester in a steaming system is large in vapor emission speed and high in pressure. Moreover, the vapor emission time of the rotary spherical digester is shortened, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of multi-ladder steam pressure and digest and assimilate device and application thereof, belong to steaming plant technical field.
Background technology
In papermaking, chemical fiber factory slurrying workshop section, after boiling finishes, in boiling waste steam exhausting process, initiation pressure is higher, speed, and final pressure is lower.In production process, be difficult to control voltage stabilizing exhaust waste steam, this absorbs and brings very large difficulty to waste steam exhausting.In boiling waste vapour removal process, if the waste vapour that rotary spherical digester can not be discharged is digested and assimilated in time, affect cooking quality and production efficiency.
Chinese patent literature CN101280914A provides a kind of steam condensed water pressure temperature adjusting device, comprising: flash vessel, cooler and pressure-regulating valve; Cooler is arranged on flash vessel top, and is connected with flash vessel by interface channel; The upstream of described cooler is provided with low temperature cold matchmaker input channel, and the downstream of this cooler is provided with the output channel after the heat exchange of low temperature refrigerant; Described pressure-regulating valve is arranged on input channel, and this pressure-regulating valve is by the input of the Steam pressure control refrigerant in described flash vessel.Although the disclosed steam condensed water pressure temperature adjusting device of this patent documentation can be digested and assimilated in time to steam pressure, this appliance arrangement bulky complex, floor space is large, and cost performance is obviously unreasonable, has increased the financial burden of enterprise.And this equipment is only that steam is carried out to condensation pressure regulation, cannot carry out absorption and separation to the pernicious gas in steam, impurity.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of multi-ladder steam pressure and digest and assimilate device and application thereof.
Technical scheme of the present invention is as follows:
Multi-ladder steam pressure is digested and assimilated a device, comprises and digests and assimilates device body, air inlet pipe, dispensing head, the first motor-driven valve, the first branch trachea, the first digester, the second motor-driven valve, the second branch trachea, the second digester, the 3rd motor-driven valve, the 3rd branch trachea, the 3rd digester and pressure gauge, the described device body of digesting and assimilating is tube structure, described dispensing head is tube structure and is arranged on the inside of digesting and assimilating device body, described dispensing head is connected with the vapour source of digesting and assimilating device body exterior by air inlet pipe, the first described digester, the second digester and the 3rd digester are cone shape structure and pass through respectively the first branch trachea, the second branch trachea is connected with dispensing head with the 3rd branch trachea, the first described motor-driven valve, the second motor-driven valve and the 3rd motor-driven valve are separately positioned on the first branch trachea, on the second branch trachea and the 3rd branch trachea, the first described branch trachea, the length of the second branch trachea and the 3rd branch trachea reduces successively, described pressure gauge is arranged on dispensing head.
According to the present invention, preferred, the described upper end of digesting and assimilating device body is provided with the first arc end socket.The stress when advantage that the first arc end socket is set has been to reduce to digest and assimilate device body and is connected with air inlet pipe.
According to the present invention, preferred, the upper end of described dispensing head is provided with the second arc end socket.The advantage that the second arc end socket is set has been to reduce stress when dispensing head is connected with air inlet pipe, and has cushioned impulse force when steam enters dispensing head.
According to the present invention, preferred, the first described branch trachea and the length difference of the second branch trachea are 1800～2200mm, more preferably 2000mm; The second described branch trachea and the length difference of the 3rd branch trachea are 800～1200mm, more preferably 1000mm.The advantage that the first branch trachea, the second branch trachea and the 3rd branch trachea are provided with length difference is that for different pressure, opening flexibly corresponding electrically operated valve carries out stable digesting and assimilating to steam pressure.
According to the present invention, preferred, the described height of digesting and assimilating device body is 8000～9000mm, more preferably 8500mm; The described diameter of digesting and assimilating device body is 3000～3500mm, more preferably 3200mm.
According to the present invention, preferred, the diameter of described air inlet pipe is 400～450mm, more preferably 430mm.
According to the present invention, preferred, the height of described dispensing head is 1200～1500mm, more preferably 1400mm; The diameter of described dispensing head is 1800～2000mm, more preferably 1900mm.
According to the present invention, preferred, the diameter of the first described branch trachea, the second branch trachea and the 3rd branch trachea is 270～280mm, more preferably 277mm;
The length of the first described branch trachea is 4000～5000mm, more preferably 4500mm;
The length of the second described branch trachea is 2200～2800mm, more preferably 2500mm;
The length of the 3rd described branch trachea is 1400～1600mm, more preferably 1500mm.
According to the present invention, preferred, the maximum gauge of the first described digester, the second digester and the 3rd digester is 800～1000mm, more preferably 900mm.The advantage that digester is set in branch trachea lower end is to prevent the pressure drop in branch trachea and the suck-back that causes.
The present invention also provides above-mentioned multi-ladder steam pressure to digest and assimilate the application of device.
Utilize above-mentioned multi-ladder steam pressure to digest and assimilate the method that device is digested and assimilated steam pressure, step is as follows:
To digest and assimilate in device body and add absorption liquid, the first motor-driven valve, the second motor-driven valve and the 3rd motor-driven valve are all in closed condition, and steam enters in dispensing head by air inlet pipe; When pressure gauge records the pressure 0.3≤P≤0.7Mpa in dispensing head, the first motor-driven valve is opened, and steam is directly sprayed onto absorption liquid bottom, and is all absorbed by liquid absorption, and the impurity in steam is all absorbed liquid absorption; When pressure gauge records the pressure 0.1≤P < 0.3Mpa in dispensing head, the second motor-driven valve is opened, the first motor-driven valve cuts out, steam is directly sprayed onto the top of absorption liquid, steam major part is absorbed by liquid absorption, a small amount of steam absorption liquid liquid level of emerging, impurity is all absorbed liquid absorption; When pressure gauge records the pressure 0 < P < 0.1Mpa in dispensing head, the 3rd motor-driven valve is opened, and the second motor-driven valve cuts out, and steam is sprayed onto the liquid level of absorption liquid with upper part, vapor portion is absorbed by liquid absorption, and impurity is all absorbed liquid absorption.
The detection of described pressure, the keying of motor-driven valve are all to complete control by control system.
Beneficial effect of the present invention:
1, the invention solves because rotary spherical digester spray vapour speed in decoction system is larger, pressure is compared with high and cause instantaneous pressure higher, and the problem that rotary spherical digester spray vapour is obstructed, has also shortened the rotary spherical digester spray vapour time, has improved production efficiency.
2, the present invention solved simultaneously steam pressure digest and assimilate with steam in pernicious gas, the absorption and separation of impurity.
3, to digest and assimilate device equipment simple for multi-ladder steam pressure of the present invention, and floor space is little, and cost performance is reasonable, has reduced the financial burden of enterprise.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram that the multi-ladder steam pressure of the embodiment of the present invention 1 is digested and assimilated device;
1, digest and assimilate device body, 2, air inlet pipe, 3, dispensing head, 4, the first motor-driven valve, the 5, first branch trachea, the 6, first digester, 7, the second motor-driven valve, the 8, second branch trachea, the 9, second digester, 10, the 3rd motor-driven valve, 11, the 3rd branch trachea, the 12, the 3rd digester, 13, pressure gauge, 14, the first arc end socket, the 15, second arc end socket.
The specific embodiment
Below by specific embodiment, the present invention will be further described, but be not limited to this.
Multi-ladder steam pressure is digested and assimilated a device, comprises and digests and assimilates device body 1, air inlet pipe 2, dispensing head 3, the first motor-driven valve 4, the first branch trachea 5, the first digester 6, the second motor-driven valve 7, the second branch trachea 8, the second digester 9, the 3rd motor-driven valve 10, the 3rd branch trachea 11, the 3rd digester 12 and pressure gauge 13, described digests and assimilates device body 1 for tube structure, described dispensing head 3 is for tube structure and be arranged on the inside of digesting and assimilating device body 1, described dispensing head 3 is connected with the vapour source of digesting and assimilating device body 1 outside by air inlet pipe 2, the first described digester 6, the second digester 9 and the 3rd digester 12 are cone shape structure and pass through respectively the first branch trachea 5, the second branch trachea 8 is connected with dispensing head 3 with the 3rd branch trachea 11, the first described motor-driven valve 4, the second motor-driven valve 7 and the 3rd motor-driven valve 10 are separately positioned on the first branch trachea 5, on the second branch trachea 8 and the 3rd branch trachea 11, the first described branch trachea 5, the length of the second branch trachea 8 and the 3rd branch trachea 11 reduces successively, described pressure gauge 13 is arranged on dispensing head 3,
The described upper end of digesting and assimilating device body 1 is provided with the first arc end socket 14;
The upper end of described dispensing head 3 is provided with the second arc end socket 15.
The height of digesting and assimilating device body 1 described in the present embodiment is 8500mm, and diameter is 3200mm; The height of described dispensing head 3 is 1400mm, and diameter is 1900mm; The diameter of described the first branch trachea 5, the second branch trachea 8 and the 3rd branch trachea 11 is 277mm; The length of the first branch trachea 5 is 4500mm, and the length of the second branch trachea 8 is 2500m, and the length of the 3rd branch trachea 11 is 1500mm; The maximum gauge of described the first digester 6, the second digester 9 and the 3rd digester 12 is 900mm.
Steam in vapour source enters in dispensing head 3 by air inlet pipe 2, to digest and assimilate in device body 1 and add absorption liquid, because the first branch trachea 5, the second branch trachea 8 and the 3rd branch trachea 11 length reduce successively, so make the degree of depth of the first branch trachea 5 in absorption liquid be greater than the degree of depth of the second branch trachea 8 in absorption liquid after adding absorption liquid, the 3rd branch trachea 11 and the 3rd digester 12 do not stretch in absorption liquid.The first motor-driven valve 4, the second motor-driven valve 7 and the 3rd motor-driven valve 10 are controlled respectively steam and are entered and in absorption liquid, reach the object that steam pressure is digested and assimilated.Pressure gauge 13 is measured the pressure size in dispensing head 3 and is transferred data to control system, control system is controlled the keying of the first motor-driven valve 4, the second motor-driven valve 7 and the 3rd motor-driven valve 10 according to the pressure size in dispensing head 3, finally reach digesting and assimilating steam pressure, solved because rotary spherical digester spray vapour speed in decoction system is larger, pressure is compared with high and cause absorber instantaneous pressure higher, the problem that rotary spherical digester spray vapour is obstructed; Also shorten the rotary spherical digester spray vapour time, improved production efficiency.
Multi-ladder steam pressure is digested and assimilated device as described in Example 1, and different is that the described height of digesting and assimilating device body 1 is 8000mm, and diameter is 3000mm; The height of described dispensing head 3 is 1200mm, and diameter is 1800; The diameter of described the first branch trachea 5, the second branch trachea 8 and the 3rd branch trachea 11 is 270mm; The length of the first branch trachea 5 is 4000mm, and the length of the second branch trachea 8 is 2200mm, and the length of the 3rd branch trachea 11 is 1400mm; The maximum gauge of described the first digester 6, the second digester 9 and the 3rd digester 12 is 800mm.
Multi-ladder steam pressure is digested and assimilated device as described in Example 1, and different is that the described height of digesting and assimilating device body 1 is 9000mm, and diameter is 3500mm; The height of described dispensing head 3 is 1500mm, and diameter is 2000; The diameter of described the first branch trachea 5, the second branch trachea 8 and the 3rd branch trachea 11 is 280mm; The length of the first branch trachea 5 is 5000mm, and the length of the second branch trachea 8 is 2800mm, and the length of the 3rd branch trachea 11 is 1600mm; The maximum gauge of described the first digester 6, the second digester 9 and the 3rd digester 12 is 1000mm.
Embodiment 4
Utilize the multi-ladder steam pressure described in embodiment 1 to digest and assimilate the method that device is digested and assimilated steam pressure, step is as follows:
To digest and assimilate in device body 1 and add absorption liquid, the first motor-driven valve 4, the second motor-driven valve 7 and the 3rd motor-driven valve 10 are all in closed condition, and steam enters in dispensing head 3 by air inlet pipe 2; When pressure gauge 13 records the pressure 0.3≤P≤0.7Mpa in dispensing head 3, the first motor-driven valve 4 is opened, and steam is directly sprayed onto absorption liquid bottom, and is all absorbed by liquid absorption, and the impurity in steam is all absorbed liquid absorption; When pressure gauge 13 records the pressure 0.1≤P < 0.3Mpa in dispensing head 3, the second motor-driven valve 7 is opened, the first motor-driven valve 4 cuts out, steam is directly sprayed onto the top of absorption liquid, steam major part is absorbed by liquid absorption, a small amount of steam absorption liquid liquid level of emerging, impurity is all absorbed liquid absorption; When pressure gauge 13 records the pressure 0 < P < 0.1Mpa in dispensing head 3, the 3rd motor-driven valve 10 is opened, and the second motor-driven valve 7 cuts out, and steam is sprayed onto the liquid level of absorption liquid with upper part, vapor portion is absorbed by liquid absorption, and impurity is all absorbed liquid absorption.
Claims (10)
1. a multi-ladder steam pressure is digested and assimilated device, it is characterized in that, this is digested and assimilated device and comprises and digest and assimilate device body, air inlet pipe, dispensing head, the first motor-driven valve, the first branch trachea, the first digester, the second motor-driven valve, the second branch trachea, the second digester, the 3rd motor-driven valve, the 3rd branch trachea, the 3rd digester and pressure gauge, the described device body of digesting and assimilating is tube structure, described dispensing head is tube structure and is arranged on the inside of digesting and assimilating device body, described dispensing head is connected with the vapour source of digesting and assimilating device body exterior by air inlet pipe, the first described digester, the second digester and the 3rd digester are cone shape structure and pass through respectively the first branch trachea, the second branch trachea is connected with dispensing head with the 3rd branch trachea, the first described motor-driven valve, the second motor-driven valve and the 3rd motor-driven valve are separately positioned on the first branch trachea, on the second branch trachea and the 3rd branch trachea, the first described branch trachea, the length of the second branch trachea and the 3rd branch trachea reduces successively, described pressure gauge is arranged on dispensing head.
2. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the described upper end of digesting and assimilating device body is provided with the first arc end socket.
3. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the upper end of described dispensing head is provided with the second arc end socket.
4. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the first described branch trachea and the length difference of the second branch trachea are 1800～2200mm; The second described branch trachea and the length difference of the 3rd branch trachea are 800～1200mm.
5. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the described height of digesting and assimilating device body is 8000～9000mm; The described diameter of digesting and assimilating device body is 3000～3500mm.
6. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the diameter of described air inlet pipe is 400～450mm.
7. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the height of described dispensing head is 1200～1500mm; The diameter of described dispensing head is 1800～2000mm.
8. multi-ladder steam pressure according to claim 1 is digested and assimilated device, it is characterized in that, the diameter of the first described branch trachea, the second branch trachea and the 3rd branch trachea is 270～280mm;
The length of the first described branch trachea is 4000～5000mm;
The length of the second described branch trachea is 2200～2800mm;
The length of the 3rd described branch trachea is 1400～1600mm.
9. according to the present invention, preferred, the maximum gauge of the first described digester, the second digester and the 3rd digester is 800～1000mm, more preferably 900mm.
10. utilize the multi-ladder steam pressure described in claim 1～9 any one to digest and assimilate the method that device is digested and assimilated steam pressure, step is as follows:
To digest and assimilate in device body and add absorption liquid, the first motor-driven valve, the second motor-driven valve and the 3rd motor-driven valve are all in closed condition, and steam enters in dispensing head by air inlet pipe; When pressure gauge records the pressure 0.3≤P≤0.7Mpa in dispensing head, the first motor-driven valve is opened, and steam is directly sprayed onto absorption liquid bottom, and is all absorbed by liquid absorption, and the impurity in steam is all absorbed liquid absorption; When pressure gauge records the pressure 0.1≤P < 0.3Mpa in dispensing head, the second motor-driven valve is opened, the first motor-driven valve cuts out, steam is directly sprayed onto the top of absorption liquid, steam major part is absorbed by liquid absorption, a small amount of steam absorption liquid liquid level of emerging, impurity is all absorbed liquid absorption; When pressure gauge records the pressure 0 < P < 0.1Mpa in dispensing head, the 3rd motor-driven valve is opened, and the second motor-driven valve cuts out, and steam is sprayed onto the liquid level of absorption liquid with upper part, vapor portion is absorbed by liquid absorption, and impurity is all absorbed liquid absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001581.0A CN103712198B (en) | 2014-01-02 | 2014-01-02 | Multi-step steam pressure digestion absorber and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410001581.0A CN103712198B (en) | 2014-01-02 | 2014-01-02 | Multi-step steam pressure digestion absorber and application thereof |
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| CN103712198A true CN103712198A (en) | 2014-04-09 |
| CN103712198B CN103712198B (en) | 2015-03-04 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE20123E (en) * | 1936-10-06 | Process and apparatus fob digesting | ||
| SE391752B (en) * | 1974-01-30 | 1977-02-28 | Rosenblad Corp | PROCEDURE AND DEVICE FOR CONDENSATION OF BLASSING COVER FROM MASS COOKERS |
| US4421597A (en) * | 1981-12-08 | 1983-12-20 | Georgia-Pacific Corporation | Method for recovering heat in an alkaline pulp digesting process |
| CN2388492Y (en) * | 1999-07-09 | 2000-07-19 | 石树人 | High-temp. condensate closed recovery device |
| US6176971B1 (en) * | 1998-11-18 | 2001-01-23 | Andritz-Ahlstrom Inc. | Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors |
| CN101349512A (en) * | 2008-08-01 | 2009-01-21 | 李树生 | Recovery and cyclic utilization system of material heat release steam |
| WO2010016786A1 (en) * | 2008-08-08 | 2010-02-11 | Metso Power Ab | Method and system for the reduction of the content of ammonia in flue gases from pulp mills |
| CN101811743A (en) * | 2010-04-09 | 2010-08-25 | 兰州节能环保工程有限责任公司 | Circulation evaporator |
| CN102936862A (en) * | 2012-11-26 | 2013-02-20 | 天津市恒脉机电科技有限公司 | System for producing pulp through intermittent replacement and stewing |
| CN103285771A (en) * | 2013-06-14 | 2013-09-11 | 周刚 | Internal-kettle cooling and steam pumping system of still kettle |
-
2014
- 2014-01-02 CN CN201410001581.0A patent/CN103712198B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE20123E (en) * | 1936-10-06 | Process and apparatus fob digesting | ||
| SE391752B (en) * | 1974-01-30 | 1977-02-28 | Rosenblad Corp | PROCEDURE AND DEVICE FOR CONDENSATION OF BLASSING COVER FROM MASS COOKERS |
| US4421597A (en) * | 1981-12-08 | 1983-12-20 | Georgia-Pacific Corporation | Method for recovering heat in an alkaline pulp digesting process |
| US6176971B1 (en) * | 1998-11-18 | 2001-01-23 | Andritz-Ahlstrom Inc. | Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors |
| CN2388492Y (en) * | 1999-07-09 | 2000-07-19 | 石树人 | High-temp. condensate closed recovery device |
| CN101349512A (en) * | 2008-08-01 | 2009-01-21 | 李树生 | Recovery and cyclic utilization system of material heat release steam |
| WO2010016786A1 (en) * | 2008-08-08 | 2010-02-11 | Metso Power Ab | Method and system for the reduction of the content of ammonia in flue gases from pulp mills |
| CN101811743A (en) * | 2010-04-09 | 2010-08-25 | 兰州节能环保工程有限责任公司 | Circulation evaporator |
| CN102936862A (en) * | 2012-11-26 | 2013-02-20 | 天津市恒脉机电科技有限公司 | System for producing pulp through intermittent replacement and stewing |
| CN103285771A (en) * | 2013-06-14 | 2013-09-11 | 周刚 | Internal-kettle cooling and steam pumping system of still kettle |
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| CN103712198B (en) | 2015-03-04 |
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Granted publication date: 20150304 Termination date: 20170102 |