CN1051061A - The improvement of belt vacuum pulp washing machine vacuum system equipment - Google Patents
The improvement of belt vacuum pulp washing machine vacuum system equipment Download PDFInfo
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- CN1051061A CN1051061A CN 90108394 CN90108394A CN1051061A CN 1051061 A CN1051061 A CN 1051061A CN 90108394 CN90108394 CN 90108394 CN 90108394 A CN90108394 A CN 90108394A CN 1051061 A CN1051061 A CN 1051061A
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- black liquor
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- pulp washing
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Abstract
A kind of improvement to belt vacuum pulp washing machine vacuum system equipment, be with original 6 infusion pumps, 6 black liquor basins and 6 moisture traps change and only need two to three infusion pumps, the corollary equipment of one to four black liquor jar and two moisture traps, its scheme is that six vacuum filter box on the wash engine are divided into one to four group, black liquor jar of every assembly, triple valve is set up in black liquor jar below, laying again by valve and pipeline, make it and possess countercurrent washing, reclaim the effect of black liquor and discharging, also has the effect that replaces the vavuum pump suction strainer with an infusion pump, the present invention is easy and simple to handle, technical process is reasonable, can reduce investment outlay 1/4th to 1/3rd, adapts to very much medium and small factory and maybe wouldn't do factory's use that alkali reclaims.
Description
The invention belongs to paper industry pulp washing system, especially to the repacking of belt vacuum pulp washing machine corollary equipment.
The belt vacuum pulp washing machine is to begin in the sixties to introduce and be used on the paper industry, the equipment supporting with this machine has vavuum pump, infusion pump and corresponding black liquid storage tank, pipeline, valve, moisture trap etc., a being seen horizontal belt vacuum pulp washing machine need be equipped with 6 infusion pumps at present, 6 receivers, 6 the moisture trap (document that sees reference " pulp washing and concentrator " Chen Qixin, Xue Zonghua compiles, light industry publishing house), this complete equipment has the following disadvantages: 1, equipment is huge, especially 6 black liquid storage tanks that volume is very big, 6 infusion pumps, 6 moisture traps and crisscross pipeline have occupied the effective area of factory building; 2, energy consumption height, 6 infusion pumps start simultaneously, have consumed a lot of electric power; 3, complicated operation, numerous pumps and valve have brought operational difficulty to operating personnel; 4, vavuum pump easily is with water running and is caused and damage and the efficient reduction; 5, investment is big, and complete equipment need be invested more than 300,000 yuan.
The objective of the invention is to utilize less equipment and power and original belt vacuum pulp washing machine supporting, can reach reduced investment again, take up an area of less, easy and simple to handle, and can not influence pulp washing and extract the effect that black liquor alkali reclaims.
The present invention realizes like this, original 6 vacuum filter box on the wash engine are divided into two groups or three groups, every group only is equipped with a black liquid storage tank, make the common valve of jar bottom into triple valve, 6 infusion pumps are changed, set a counterflow pump and a black liquor pump in addition, doing two then, to be a bit larger tham original moisture trap just passable.
Below in conjunction with accompanying drawing the present invention is described in detail:
Accompanying drawing is that 6 vacuum filter box are divided into three groups, and every assembly is equipped with a black liquor jar, promptly becomes the embodiment of the vacuum system equipment of three jars, a counterflow pump and a black liquor pump.
Among the accompanying drawing embodiment: 1-slurry-stablizing case, 2-head box, 3-horizontal belt vacuum pulp washing machine, 4-valve, the 5-shower nozzle, 6-black liquor basin, 7-draft tube, 8-valve, the 9-moisture trap, 10-moisture trap, 11, the 12-valve, 13-check-valves, the 14-valve, 15-black liquor pump, 16-Roots vaccum pump, 17-fluid-tight pond, the 18-valve, 19-counterflow pump, 20, the 21-valve, the 22-triple valve, 23-valve, 24-clarified water pump.
The paper pulp of sending here from mashing off workshop section enters slurry-stablizing case 1, enters horizontal belt vacuum pulp washing machine 3 through head box 2 then, washs down from shower nozzle 5 sprays with rare black liquor earlier, and with the clear water washing, afterbody is the heat water-spraying again, and the paper pulp that obtains cleaning can be sent to bleaching.
The liquid that vacuum filter box in the horizontal belt vacuum pulp washing machine flows into enters 3 black liquid storage tank 6(and is numbered A, B, C), A jar black liquid consistency is the highest, the B jar takes second place, C jar concentration is minimum, each jar below is provided with a triple valve 22(and also is numbered a, b, c), black liquid storage tank A, B, the top of C respectively has a pipeline to lead to moisture trap 9 and 10 through draft tube 7, the pipeline of gas-water separation 10 upper ends is switched to vavuum pump 16 inlets, after vavuum pump 16 starts, black liquor jar A, B, C all produces negative pressure, vacuum filter box on the belt vacuum pulp washing machine produces suction thereupon, with paper pulp with the black liquor suction strainer, the small amount of liquid of being taken out of by tank deck falls in the fluid-tight pond 17 through two-stage moisture trap separating pipe.Liquid level gauge is equipped with in fluid-tight pond 17, makes operating personnel can observe liquid level.
Below narrate the technical process of several mode of washing and black liquor recovery respectively:
1, the countercurrent washing valve-off 4,20 and 23, open valve 18, the triple valve b of rotation B jar below, start counterflow pump 19, the black liquor that the B jar flows out pressurizes through counterflow pump, by shower nozzle 5 ejections, the paper pulp (below is first group of vacuum filter box) that just enters wash engine is washed.In like manner, on off state and the pipeline of adjusting valve flow to, and also can draw in C jar rare black liquor at the paper pulp spray washing of horizontal belt wash engine front portion.
2, extract black liquor after the black liquid consistency of A jar is enough, valve-off 20, swivel tee valve a, and open valve 21 and 14, start black liquor pump 15, valve-off 11 and fluid-tight pond imported valve are opened valve 12, and the black liquor of A jar can be sent to jetting storehouse and carry out the alkali recovery towards starching or sending to after evaporate station concentrates.
3, clear water washing pulp starts clarified water pump 24, can also can wash wherein a certain section by the pipe valve adjustment directly with the pulp washing of clear water to whole wash engine.
4, hot wash is for guaranteeing the wash degree of paper pulp, and the paper pulp that flows out the wash engine final stage need be used hot wash, so, open valve 8, use heat water-spraying's washing pulp.
Do not reclaim if 5, do not reclaim the black liquor of black liquor A, B, three jars of C, by adjusting several valves, black liquor can pass through valve 23 direct blowdowns, also can flow to fluid-tight pond 17 blowdown then earlier.
6, vavuum pump breaks down when vavuum pump 16 breaks down, rotation C jar below three-way valve C, C jar liquid flows into fluid-tight pond 17, at this moment, start black liquor pump 15, liquid is extracted out from fluid-tight pond 17, make and lead to moisture trap 9, liquid flows down the fluid-tight pond from 9 bottom, makes draft tube 7 produce negative pressure, and the belt vacuum pulp washing machine also just can operate as normal.
More than be the vacuum filter box in the wash engine to be divided into three groups embodiment, if it is divided into two groups, only with two black liquor basins, a counterflow pump, a black liquor pump also can carry out similar operation.If do not reclaim black liquor, only equally also can obtain identical clean result with a black liquor jar.Certainly, reclaim black liquor, adopt four or five black liquor jars, also will reduce investment outlay than original equipment, operate also easyly, these several process charts all have similar part, and just the arrangement difference of valve, pipeline provides no longer separately herein.
The present invention has the following advantages:
1, reduce investment outlay, save the energy, adopt the equipment of three groups of black liquor tanks, than saving ten thousand yuans of 8-10 with six groups of equipment, can economize on electricity about 100 kilowatts/hour every day.
2, reclaim black liquor and substantially reach original effect.
3, easy and simple to handle, 6 pumps of prior art will guarantee that long-term the normal operation is difficulty, just save trouble manyly so operate two or three pumps.
3, vavuum pump is difficult for the running of band liquid, and vacuum is higher, owing to use the two-stage moisture trap, the installation site is also higher, so gas-liquid separation is more complete, needn't worry that liquid advances pump again.
4, vavuum pump breaks down, and available black liquor pump startup produces negative pressure, guarantees to produce not interrupt.
Claims (5)
1, the corollary equipment of a kind of belt vacuum pulp washing machine system comprises belt vacuum pulp washing machine, black liquor basin, infusion pump, vavuum pump etc., it is characterized in that:
1), the vacuum filter box on the vacuum pulp washing machine is divided into some groups, black liquor basin of every assembly, each basin liquid outlet is equipped with triple valve, lead directly to sewage draining exit respectively, enter the mouth through the blowdown of fluid-tight pond with towards counterflow pump, each basin gas vent concentrates a pipeline to lead to vacuum pump inlet after the two-stage gas-water separation;
2) the wash engine vacuum system is provided with to play simultaneously and draws back the black liquor pump 15 of receiving black liquor and vacuum suction filter effect;
3), some groups of shower nozzles are arranged on the vacuum pulp washing machine, every group of shower nozzle all can be communicated with clear water pipe, hot-water line, can be communicated with the black liquor pipe of counterflow pump output again.
2, corollary equipment according to claim 1 is characterized in that moisture trap bottom liquid pipe leads to fluid-tight ground, and second level moisture trap escape pipe leads to vacuum pump inlet.
3, corollary equipment according to claim 1 is characterized in that the outlet of black liquor pump 15 is equipped with check-valves, and pipe leads to the middle and upper part of first order moisture trap.
4, corollary equipment according to claim 1 is characterized in that vacuum filter box is divided into one to four group.
5, corollary equipment according to claim 1 is characterized in that counterflow pump is one to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90108394 CN1021839C (en) | 1990-10-10 | 1990-10-10 | Improvement of vacuum system device of belt-type vacuum pulp-washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90108394 CN1021839C (en) | 1990-10-10 | 1990-10-10 | Improvement of vacuum system device of belt-type vacuum pulp-washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1051061A true CN1051061A (en) | 1991-05-01 |
| CN1021839C CN1021839C (en) | 1993-08-18 |
Family
ID=4880976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90108394 Expired - Fee Related CN1021839C (en) | 1990-10-10 | 1990-10-10 | Improvement of vacuum system device of belt-type vacuum pulp-washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1021839C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114731C (en) * | 1997-04-28 | 2003-07-16 | 邬耀辉 | Papermaking pulp-liquor separating technology and diffusion washing single cylinder vacuum filter press thereof |
| CN102220720A (en) * | 2011-06-03 | 2011-10-19 | 沅江纸业有限责任公司 | Auxiliary vacuum unit of vacuum pulp washer and method for increasing vacuum degree |
| CN102704304A (en) * | 2012-05-04 | 2012-10-03 | 宫保和 | Automatically maintained and automatically controlled long-term safe operation device for concentrating paper pulp-washing black liquor |
| CN102863622A (en) * | 2012-09-25 | 2013-01-09 | 自贡鸿鹤化工股份有限公司 | Method for collecting polyphenylene sulfide resin from polyphenylene sulfide resin slurry |
| CN105178085A (en) * | 2015-09-21 | 2015-12-23 | 潍坊恒联浆纸有限公司 | Poplar pulp black liquor green extraction process |
-
1990
- 1990-10-10 CN CN 90108394 patent/CN1021839C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114731C (en) * | 1997-04-28 | 2003-07-16 | 邬耀辉 | Papermaking pulp-liquor separating technology and diffusion washing single cylinder vacuum filter press thereof |
| CN102220720A (en) * | 2011-06-03 | 2011-10-19 | 沅江纸业有限责任公司 | Auxiliary vacuum unit of vacuum pulp washer and method for increasing vacuum degree |
| CN102220720B (en) * | 2011-06-03 | 2012-10-03 | 沅江纸业有限责任公司 | Auxiliary vacuum unit of vacuum pulp washer and method for increasing vacuum degree |
| CN102704304A (en) * | 2012-05-04 | 2012-10-03 | 宫保和 | Automatically maintained and automatically controlled long-term safe operation device for concentrating paper pulp-washing black liquor |
| CN102704304B (en) * | 2012-05-04 | 2014-06-18 | 宫保和 | Automatically maintained and automatically controlled long-term safe operation device for concentrating paper pulp-washing black liquor |
| CN102863622A (en) * | 2012-09-25 | 2013-01-09 | 自贡鸿鹤化工股份有限公司 | Method for collecting polyphenylene sulfide resin from polyphenylene sulfide resin slurry |
| CN105178085A (en) * | 2015-09-21 | 2015-12-23 | 潍坊恒联浆纸有限公司 | Poplar pulp black liquor green extraction process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1021839C (en) | 1993-08-18 |
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