CN103712198B - Multi-step steam pressure digestion absorber and application thereof - Google Patents

Multi-step steam pressure digestion absorber and application thereof Download PDF

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Publication number
CN103712198B
CN103712198B CN201410001581.0A CN201410001581A CN103712198B CN 103712198 B CN103712198 B CN 103712198B CN 201410001581 A CN201410001581 A CN 201410001581A CN 103712198 B CN103712198 B CN 103712198B
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described
branch trachea
digester
3rd
motor
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CN201410001581.0A
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Chinese (zh)
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CN103712198A (en
Inventor
张树荣
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潍坊亿佳节能控制科技有限公司
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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

A kind of multi-step steam pressure digestion absorber and application thereof

Technical field

The present invention relates to a kind of multi-step steam pressure digestion absorber and application thereof, belong to steaming plant technical field.

Background technology

In papermaking, chemical fiber factory slurrying workshop section, after boiling terminates, in boiling waste steam exhausting process, initiation pressure is higher, speed, and final pressure is lower.Be difficult in production process control voltage stabilizing exhaust waste steam, this absorbs to waste steam exhausting and brings very large difficulty.In boiling Waste resources reused process, if the waste vapour that rotary spherical digester is discharged can not be digested and assimilated in time, then 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 refrigerant 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 steam condensed water pressure temperature adjusting device can be digested and assimilated in time to steam pressure disclosed in this patent document, this appliance arrangement bulky complex, floor space is large, and cost performance is obviously unreasonable, adds the financial burden of enterprise.And this equipment is only carry out condensation pressure regulation to steam, absorption and separation cannot be carried out 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-step steam pressure digestion absorber and application thereof.

Technical scheme of the present invention is as follows:

A kind of multi-step steam pressure digestion absorber, 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, 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 digesting and assimilating device body exterior by air inlet pipe, the first described digester, second digester and the 3rd digester are conical structure and respectively by the first branch trachea, second branch trachea is connected with dispensing head with the 3rd branch trachea, the first described motor-driven valve, second motor-driven valve and the 3rd motor-driven valve are separately positioned on the first branch trachea, on 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, preferably, the described upper end of digesting and assimilating device body is provided with the first arc end socket.The advantage arranging the first arc end socket is to reduce the stress digested and assimilated when device body is connected with air inlet pipe.

According to the present invention, preferably, the upper end of described dispensing head is provided with the second arc end socket.The advantage arranging the second arc end socket is 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, preferably, the first described branch trachea and the length difference of the second branch trachea are 1800 ~ 2200mm, more preferably 2000mm; The length difference of the second described branch trachea and the 3rd branch trachea is 800 ~ 1200mm, more preferably 1000mm.The advantage that first branch trachea, the second branch trachea and the 3rd branch trachea are provided with length difference is that opening corresponding electrically operated valve flexibly for different pressure carries out stable digesting and assimilating to steam pressure.

According to the present invention, preferably, the described height digesting and assimilating device body is 8000 ~ 9000mm, more preferably 8500mm; The described diameter digesting and assimilating device body is 3000 ~ 3500mm, more preferably 3200mm.

According to the present invention, preferably, the diameter of described air inlet pipe is 400 ~ 450mm, more preferably 430mm.

According to the present invention, preferably, 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, preferably, 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, preferably, the maximum gauge of the first described digester, the second digester and the 3rd digester is 800 ~ 1000mm, more preferably 900mm.The suck-back that the advantage arranging digester in branch trachea lower end is to prevent the pressure drop in branch trachea and causes.

The present invention also provides the application of above-mentioned multi-step steam pressure digestion absorber.

Utilize the method that above-mentioned multi-step steam pressure digestion absorber 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 recording the pressure 0.3≤P≤0.7Mpa in dispensing head when pressure gauge, the first motor-driven valve is opened, and steam is directly sprayed onto bottom absorption liquid, and is all absorbed by liquid absorption, the whole absorbed liquid absorption of the impurity in steam; When recording the pressure 0.1≤P < 0.3Mpa in dispensing head when pressure gauge, second motor-driven valve is opened, 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 is emerged absorption liquid liquid level, the whole absorbed liquid absorption of impurity; When recording the pressure 0 < P < 0.1Mpa in dispensing head when pressure gauge, 3rd motor-driven valve is opened, and the second motor-driven valve cuts out, and steam is sprayed onto the above position of liquid level of absorption liquid, vapor portion is absorbed by liquid absorption, the whole absorbed liquid absorption of impurity.

The detection of described pressure, the keying of motor-driven valve are all complete control by control system.

Beneficial effect of the present invention:

1, the invention solves because in decoction system, rotary spherical digester spray vapour speed is comparatively large, pressure is higher and cause instantaneous pressure higher, and the problem that rotary spherical digester spray vapour is obstructed, also shortens the rotary spherical digester spray vapour time, improve production efficiency.

2, the present invention solves the absorption and separation with the pernicious gas in steam, impurity of digesting and assimilating of steam pressure simultaneously.

3, multi-step steam pressure digestion absorber equipment of the present invention is simple, and floor space is little, and cost performance is reasonable, reduces the financial burden of enterprise.

Accompanying drawing explanation

Fig. 1 is the agent structure schematic diagram of the multi-step steam pressure digestion absorber of the embodiment of the present invention 1;

1, device body is digested and assimilated, 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.

Detailed description of the invention

Below by specific embodiment, the present invention will be further described, but be not limited thereto.

Embodiment 1

A kind of multi-step steam pressure digestion absorber, comprises and digests and assimilates device body 1, air inlet pipe 2, dispensing head 3, first motor-driven valve 4, first branch trachea 5, first digester 6, second motor-driven valve 7, second branch trachea 8, 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 tube structure and is arranged on the inside of digesting and assimilating device body 1, described dispensing head 3 is connected with the vapour source digesting and assimilating device body 1 outside by air inlet pipe 2, the first described digester 6, second digester 9 and the 3rd digester 12 are conical structure and respectively by the first branch trachea 5, second branch trachea 8 is connected with dispensing head 3 with the 3rd branch trachea 11, the first described motor-driven valve 4, second motor-driven valve 7 and the 3rd motor-driven valve 10 are separately positioned on the first branch trachea 5, on 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 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 first described branch trachea 5, second branch trachea 8 and the diameter of the 3rd branch trachea 11 are 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 first described digester 6, second digester 9 and the maximum gauge of the 3rd digester 12 are 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, 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.First motor-driven valve 4, second motor-driven valve 7 and the 3rd motor-driven valve 10 control steam respectively and enter in absorption liquid the object reaching and digest and assimilate steam pressure.Pressure gauge 13 measures the pressure size in dispensing head 3 and transfers data to control system, control system controls the keying of the first motor-driven valve 4, 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, solve because in decoction system, rotary spherical digester spray vapour speed is larger, pressure is higher and cause absorber instantaneous pressure higher, makes the problem that rotary spherical digester spray vapour is obstructed; Also shorten the rotary spherical digester spray vapour time, improve production efficiency.

Embodiment 2

Multi-step steam pressure digestion absorber as described in Example 1 is 8000mm unlike the described height digesting and assimilating device body 1, and diameter is 3000mm; The height of described dispensing head 3 is 1200mm, and diameter is 1800; The first described branch trachea 5, second branch trachea 8 and the diameter of the 3rd branch trachea 11 are 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 first described digester 6, second digester 9 and the maximum gauge of the 3rd digester 12 are 800mm.

Embodiment 3

Multi-step steam pressure digestion absorber as described in Example 1 is 9000mm unlike the described height digesting and assimilating device body 1, and diameter is 3500mm; The height of described dispensing head 3 is 1500mm, and diameter is 2000; The first described branch trachea 5, second branch trachea 8 and the diameter of the 3rd branch trachea 11 are 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 first described digester 6, second digester 9 and the maximum gauge of the 3rd digester 12 are 1000mm.

Embodiment 4

Utilize the method that the multi-step steam pressure digestion absorber described in embodiment 1 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, 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 recording the pressure 0.3≤P≤0.7Mpa in dispensing head 3 when pressure gauge 13, the first motor-driven valve 4 is opened, and steam is directly sprayed onto bottom absorption liquid, and is all absorbed by liquid absorption, the whole absorbed liquid absorption of the impurity in steam; When recording the pressure 0.1≤P < 0.3Mpa in dispensing head 3 when pressure gauge 13, second motor-driven valve 7 is opened, 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 is emerged absorption liquid liquid level, the whole absorbed liquid absorption of impurity; When recording the pressure 0 < P < 0.1Mpa in dispensing head 3 when pressure gauge 13,3rd motor-driven valve 10 is opened, and the second motor-driven valve 7 cuts out, and steam is sprayed onto the above position of liquid level of absorption liquid, vapor portion is absorbed by liquid absorption, the whole absorbed liquid absorption of impurity.

Claims (11)

1. a multi-step steam pressure digestion absorber, 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, 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 digesting and assimilating device body exterior by air inlet pipe, the first described digester, second digester and the 3rd digester are conical structure and respectively by the first branch trachea, second branch trachea is connected with dispensing head with the 3rd branch trachea, the first described motor-driven valve, second motor-driven valve and the 3rd motor-driven valve are separately positioned on the first branch trachea, on 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, the degree of depth of the first branch trachea in absorption liquid is greater than the degree of depth of the second branch trachea in absorption liquid, 3rd branch trachea and the 3rd digester do not stretch in absorption liquid, described pressure gauge is arranged on dispensing head.
2. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the described upper end of digesting and assimilating device body is provided with the first arc end socket.
3. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the upper end of described dispensing head is provided with the second arc end socket.
4. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the first described branch trachea and the length difference of the second branch trachea are 1800 ~ 2200mm; The length difference of the second described branch trachea and the 3rd branch trachea is 800 ~ 1200mm.
5. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the described height digesting and assimilating device body is 8000 ~ 9000mm; The described diameter digesting and assimilating device body is 3000 ~ 3500mm.
6. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the diameter of described air inlet pipe is 400 ~ 450mm.
7. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the height of described dispensing head is 1200 ~ 1500mm; The diameter of described dispensing head is 1800 ~ 2000mm.
8. multi-step steam pressure digestion absorber according to claim 1, 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. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the maximum gauge of the first described digester, the second digester and the 3rd digester is 800 ~ 1000mm.
10. multi-step steam pressure digestion absorber according to claim 1, is characterized in that, the maximum gauge of the first described digester, the second digester and the 3rd digester is 900mm.
11. 1 kinds of methods utilizing the multi-step steam pressure digestion absorber described in any one of claim 1 ~ 10 to digest and assimilate 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 recording the pressure 0.3≤P≤0.7Mpa in dispensing head when pressure gauge, the first motor-driven valve is opened, and steam is directly sprayed onto bottom absorption liquid, and is all absorbed by liquid absorption, the whole absorbed liquid absorption of the impurity in steam; When recording the pressure 0.1≤P < 0.3Mpa in dispensing head when pressure gauge, second motor-driven valve is opened, 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 is emerged absorption liquid liquid level, the whole absorbed liquid absorption of impurity; When recording the pressure 0 < P < 0.1Mpa in dispensing head when pressure gauge, 3rd motor-driven valve is opened, and the second motor-driven valve cuts out, and steam is sprayed onto the above position of liquid level of absorption liquid, vapor portion is absorbed by liquid absorption, the whole absorbed liquid absorption of impurity.
CN201410001581.0A 2014-01-02 2014-01-02 Multi-step steam pressure digestion absorber and application thereof CN103712198B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
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 Method and apparatus for condensing blasningsanga from digester
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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 Method and apparatus for condensing blasningsanga from digester
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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