CN204125794U - A kind of paper machine dryer ponding automatic discharge device - Google Patents
A kind of paper machine dryer ponding automatic discharge device Download PDFInfo
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- CN204125794U CN204125794U CN201420553134.1U CN201420553134U CN204125794U CN 204125794 U CN204125794 U CN 204125794U CN 201420553134 U CN201420553134 U CN 201420553134U CN 204125794 U CN204125794 U CN 204125794U
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Abstract
The utility model discloses a kind of paper machine dryer ponding automatic discharge device, comprise cylinder group and flash tank, cylinder group comprises the drying cylinder of some series connection, each drying cylinder top is all connected to high steam arm by pipeline, each drying cylinder bottom is all connected to condensed water house steward by pipeline, high steam arm is connected to high steam house steward by pipeline, condensed water house steward is connected with the arrival end of flash tank by pipeline, the steam (vapor) outlet end of flash drum overhead is connected with first row steam pipe and second row steam pipe, first row steam pipe is provided with first row steam valve, second row steam pipe is provided with second row steam valve, be provided with pressure difference transmitter between high steam arm and condensed water house steward, pressure difference transmitter is connected with differential pressure controller, differential pressure controller is connected with second row steam valve with first row steam valve respectively.The utility model, by regulating drying cylinder inlet and outlet pressure poor, effectively can solve drying cylinder ponding problem, improves the drying efficiency of drying cylinder, energy-saving efficiency and paper quality.
Description
Technical field
The utility model relates to a kind of paper machine dryer drainage arrangement, is specifically related to a kind of paper machine dryer ponding automatic discharge device.
Background technology
In the drying section of many drying cylinders paper machine, drying cylinder relies on the vapours of its inside to provide heat, and the steam that its inside passes into forms condensate water because of release heat.A large amount of condensate water, at drying cylinder accumulated inside, as discharged not in time, then causes drying cylinder ponding.Ponding can cause the drying efficiency of drying system, energy-saving efficiency, paper quality even to have important impact to the efficiency of whole paper machine.Therefore, the efficient draining of drying cylinder is the necessary condition ensureing that drying section normally runs.The basic reason that drying cylinder ponding can not normally be discharged is that drying cylinder inlet and outlet pressure difference can not meet the demands.
Utility model content
In order to overcome the defect that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of paper machine dryer ponding automatic discharge device, this device is by regulating drying cylinder inlet and outlet pressure poor, effectively can solve drying cylinder ponding problem, improve the drying efficiency of drying cylinder, energy-saving efficiency and paper quality.
For achieving the above object, the utility model adopts following technical scheme:
A kind of paper machine dryer ponding automatic discharge device, comprise cylinder group and flash tank, cylinder group comprises the drying cylinder of some series connection, each drying cylinder top is all connected to high steam arm by pipeline, each drying cylinder bottom is all connected to condensed water house steward by pipeline, high steam arm is connected to high steam house steward by pipeline, condensed water house steward is connected with the arrival end of flash tank by pipeline, the steam (vapor) outlet end of flash drum overhead is connected with first row steam pipe and second row steam pipe, first row steam pipe is provided with first row steam valve, and second row steam pipe is provided with second row steam valve; Be provided with pressure difference transmitter between high steam arm and condensed water house steward, pressure difference transmitter is connected with differential pressure controller, differential pressure controller is connected with second row steam valve with first row steam valve respectively.
Further, the pipeline between high steam arm and high steam house steward is provided with steam main valve, and high steam arm is provided with pressure transmitter, is connected to steam controller between steam main valve and pressure transmitter.
Further, the condensation-water drain of flash tank bottom is connected to drainpipe, and drainpipe is provided with the first check valve and condensed water control valve successively along drainage direction; Be connected with fluid level transmitter between flash tank top and bottom, between condensed water control valve and fluid level transmitter, be connected to fluid level controller.
Further, be provided with suction hose between the two ends of the first check valve, suction hose is provided with condensate pump, and the two ends of condensate pump are equipped with valve.
Further, condensate pump is provided with frequency converter, and frequency converter is connected with fluid level controller.
Further, first row steam pipe is provided with the second check valve, and first row steam pipe leads to heat exchanger; Second row steam pipe is provided with the 3rd check valve, and second row steam pipe leads to hypomere drying cylinder.
Further, the pipeline that each drying cylinder top is connected with high steam arm all has Pressure gauge and valve, and Pressure gauge is positioned at valve bottom.
Further, the pipeline that each drying cylinder bottom is connected with condensed water house steward is equipped with valve and drain valve, and drain valve is positioned at valve bottom.
Compared with prior art, the utility model has following useful technique effect:
The utility model is provided with first row steam valve and second row steam valve, when actual pressure differential is lower than setting value, open first row steam valve, still do not reach required draining pressure reduction when opening first row steam valve, then second row steam valve is opened in segmentation gradually, until pressure reduction maintains higher than setting value, the utility model is provided with flash tank, steam condensate (SC) can be divided into steam and liquid two parts, steam is discharged through top first row steam pipe and second row steam pipe, can be used for heating hypomere drying cylinder and heat exchanger.Condensed water carries out secondary flash through drainpipe to downstream flash tank, or for paper pulp workshop.First row steam pipe, second row steam pipe and drainpipe are equipped with check valve, can prevent steam or condensed water from flowing backwards.This device can discharge the ponding in paper machine dryer in time, and the drying efficiency of drying cylinder, energy-saving efficiency and paper quality are further enhanced.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Wherein, the 1, first check valve; 2, condensate pump; 3, flash tank; 4, cylinder group; 5, pressure transmitter; 6, steam controller; 7, high steam house steward; 8, steam main valve; 9, the second check valve; 10, pressure difference transmitter; 11, first row steam pipe; 12, differential pressure controller; 13, first row steam valve; 14 second row steam valves; 15, the 3rd check valve; 16, second row steam pipe; 17 fluid level transmitters; 18, fluid level controller; 19, condensed water control valve; 20, high steam arm; 21, condensed water house steward; 22, drainpipe; 23, suction hose.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
See Fig. 1, a kind of paper machine dryer ponding automatic early-warning and the system of elimination, comprise cylinder group 4 and flash tank 3, cylinder group 4 comprises the drying cylinder of some series connection, each drying cylinder top is all connected to high steam arm 20 by pipeline, the pipeline that each drying cylinder top is connected with high steam arm 20 all there are Pressure gauge and valve, and Pressure gauge is positioned at valve bottom, each drying cylinder bottom is all connected to condensed water house steward 21 by pipeline, the pipeline that each drying cylinder bottom is connected with condensed water house steward 21 is equipped with valve and drain valve, and drain valve is positioned at valve bottom, high steam arm 20 is connected to high steam house steward 7 by pipeline, pipeline between high steam arm 20 and high steam house steward 7 is provided with steam main valve 8, high steam arm 20 is provided with pressure transmitter 5, steam controller 6 is connected between steam main valve 8 and pressure transmitter 5,
Condensed water house steward 21 is connected by the arrival end of pipeline with flash tank 3, the steam (vapor) outlet end at flash tank 3 top is connected with first row steam pipe 11 and second row steam pipe 16, first row steam pipe 11 is provided with first row steam valve 13 and the second check valve 9, and second row steam pipe 16 is provided with second row steam valve 14 the 3rd check valve 15; First row steam pipe 11 leads to heat exchanger, and second row steam pipe 16 leads to hypomere drying cylinder, and the condensation-water drain of flash tank 3 bottom is connected to drainpipe 22, and drainpipe 22 is provided with the first check valve 1 and condensed water control valve 19 successively along drainage direction; Fluid level transmitter 17 is connected with between flash tank 3 top and bottom, fluid level controller 18 is connected between condensed water control valve 19 and fluid level transmitter 17, suction hose 23 is provided with between the two ends of the first check valve 1, suction hose 23 is provided with condensate pump 2, the two ends of condensate pump 2 are equipped with valve, condensate pump 2 is provided with frequency converter, and frequency converter is connected with fluid level controller 18;
Be provided with pressure difference transmitter 10 between high steam arm 20 and condensed water house steward 21, pressure difference transmitter 10 be connected with differential pressure controller 12, differential pressure controller 12 is connected with second row steam valve 14 with first row steam valve 13 respectively.
Below in conjunction with accompanying drawing, structural principle of the present utility model and use step are described further:
When actual pressure differential is lower than setting value, open first row steam valve 13, required draining pressure reduction is not still reached when opening first row steam valve 13, then second row steam valve 14 is opened in segmentation gradually, until pressure reduction maintains higher than setting value, the utility model is provided with flash tank 3, steam condensate (SC) can be divided into steam and liquid two parts, steam is discharged through top first row steam pipe 11 and second row steam pipe 16, can be used for heating hypomere drying cylinder and heat exchanger.Condensed water carries out secondary flash through drainpipe 22 to downstream flash tank 3, or for paper pulp workshop.First row steam pipe 11, second row steam pipe 16 and drainpipe 22 are equipped with check valve, can prevent steam or condensed water from flowing backwards.This device can discharge the ponding in paper machine dryer in time, and the drying efficiency of drying cylinder, energy-saving efficiency and paper quality are further enhanced.
Claims (8)
1. a paper machine dryer ponding automatic discharge device, it is characterized in that, comprise cylinder group (4) and flash tank (3), cylinder group (4) comprises the drying cylinder of some series connection, each drying cylinder top is all connected to high steam arm (20) by pipeline, each drying cylinder bottom is all connected to condensed water house steward (21) by pipeline, high steam arm (20) is connected to high steam house steward (7) by pipeline, condensed water house steward (21) is connected by the arrival end of pipeline with flash tank (3), the steam (vapor) outlet end at flash tank (3) top is connected with first row steam pipe (11) and second row steam pipe (16), first row steam pipe (11) is provided with first row steam valve (13), second row steam pipe (16) is provided with second row steam valve (14), pressure difference transmitter (10) is provided with between high steam arm (20) and condensed water house steward (21), pressure difference transmitter (10) is connected with differential pressure controller (12), differential pressure controller (12) is connected with second row steam valve (14) with first row steam valve (13) respectively.
2. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 1, it is characterized in that, pipeline between high steam arm (20) and high steam house steward (7) is provided with steam main valve (8), high steam arm (20) is provided with pressure transmitter (5), is connected to steam controller (6) between steam main valve (8) and pressure transmitter (5).
3. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 1, it is characterized in that, the condensation-water drain of flash tank (3) bottom is connected to drainpipe (22), and drainpipe (22) is provided with the first check valve (1) and condensed water control valve (19) successively along drainage direction; Flash tank (3) is connected with fluid level transmitter (17) between top and bottom, be connected to fluid level controller (18) between condensed water control valve (19) and fluid level transmitter (17).
4. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 3, it is characterized in that, suction hose (23) is provided with between the two ends of the first check valve (1), suction hose (23) is provided with condensate pump (2), and the two ends of condensate pump (2) are equipped with valve.
5. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 4, it is characterized in that, condensate pump (2) is provided with frequency converter, and frequency converter is connected with fluid level controller (18).
6. a kind of paper machine dryer ponding automatic discharge device system as claimed in claim 3, it is characterized in that, first row steam pipe (11) is provided with the second check valve (9), and first row steam pipe (11) leads to heat exchanger; Second row steam pipe (16) is provided with the 3rd check valve (15), and second row steam pipe (16) leads to hypomere drying cylinder.
7. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 1, is characterized in that, the pipeline that each drying cylinder top is connected with high steam arm (20) all has Pressure gauge and valve, and Pressure gauge is positioned at valve bottom.
8. a kind of paper machine dryer ponding automatic discharge device as claimed in claim 1, is characterized in that, the pipeline that each drying cylinder bottom is connected with condensed water house steward (21) is equipped with valve and drain valve, and drain valve is positioned at valve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553134.1U CN204125794U (en) | 2014-09-24 | 2014-09-24 | A kind of paper machine dryer ponding automatic discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553134.1U CN204125794U (en) | 2014-09-24 | 2014-09-24 | A kind of paper machine dryer ponding automatic discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125794U true CN204125794U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420553134.1U Expired - Fee Related CN204125794U (en) | 2014-09-24 | 2014-09-24 | A kind of paper machine dryer ponding automatic discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125794U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264525A (en) * | 2014-09-24 | 2015-01-07 | 陕西科技大学 | Automatic early-warning and elimination system for water accumulation in drying cylinder of paper machine, and control method |
| CN108426446A (en) * | 2017-02-15 | 2018-08-21 | 杭州金山仪表阀业有限公司 | A kind of drying equipment equipped with middle pressure steam temperature control equipment |
| CN108917372A (en) * | 2018-05-21 | 2018-11-30 | 亚太森博（山东）浆纸有限公司 | A kind of flash vapor system |
-
2014
- 2014-09-24 CN CN201420553134.1U patent/CN204125794U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264525A (en) * | 2014-09-24 | 2015-01-07 | 陕西科技大学 | Automatic early-warning and elimination system for water accumulation in drying cylinder of paper machine, and control method |
| CN108426446A (en) * | 2017-02-15 | 2018-08-21 | 杭州金山仪表阀业有限公司 | A kind of drying equipment equipped with middle pressure steam temperature control equipment |
| CN108917372A (en) * | 2018-05-21 | 2018-11-30 | 亚太森博（山东）浆纸有限公司 | A kind of flash vapor system |
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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: 20150128 Termination date: 20170924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |