CN205887527U - Washing unit of ethylene oxide pump - Google Patents
Washing unit of ethylene oxide pump Download PDFInfo
- Publication number
- CN205887527U CN205887527U CN201620811169.XU CN201620811169U CN205887527U CN 205887527 U CN205887527 U CN 205887527U CN 201620811169 U CN201620811169 U CN 201620811169U CN 205887527 U CN205887527 U CN 205887527U
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- Prior art keywords
- valve
- flushing liquor
- liquid
- oxirane
- pump
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Abstract
The utility model relates to a washing unit of ethylene oxide pump, include the ethylene oxide pump, feed liquor end and the ethylene oxide inlet pipe connection who brings the liquid valve into go out the liquid end and are connected with drag -out valve ethylene oxide drain pipe, and the feed liquor valve is equipped with the low reaches blind plate towards the one end of ethylene oxide pump, and play liquid valve is equipped with upper reaches blind plate towards the one end of ethylene oxide pump, the flush fluid advances tub one end and is connected the other end and ethylene oxide inlet pipe connection with the flush fluid container, it establishes to wash the feed liquor valve the flush fluid advance on the pipe, flush fluid delivery pipe one end is connected with the ethylene oxide drain pipe, and the other end is inhaled receptacle with the flush fluid and is connected, the flush fluid blow -down valve is established the flush fluid delivery pipe on. The utility model discloses easy operation not only, labour saving and time saving uses safelyr moreover.
Description
Technical field
This utility model is related to a kind of oxirane pump, particularly a kind of flusher of oxirane pump.
Background technology
Need to rinse before oxirane pump (abbreviation eo pump) maintenance, isolate, be all in pump intake when oxirane pump impulse is washed
The place of falling pouring connects flexible pipe temporarily and pump impulse is washed, rinse oxirane pump flushing liquor be directly discharged at pump discharge pouring floor drain or
Temporary container is diluted, and existing oxirane pump impulse cleaning device has a following defect:
1) rinse every time will temporary takeover, troublesome poeration, waste time and energy；
2) flushing liquor discharge potential safety hazard is big, with the operator at scene are easily splashed by oxirane, and flushing liquor
It is emitted into floor drain, readily volatilized in sewerage, explosive mixture can be formed with air, there is potential safety hazard.
Content of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes a kind of rushing of oxirane pump
Cleaning device, the flusher of this oxirane pump is not only simple to operate, time saving and energy saving, and using safer.
The technical problems to be solved in the utility model is achieved through the following technical solutions.This utility model is a kind of ring
The flusher of oxidative ethane pump, its feature is, comprising:
Oxirane pump, liquid feeding end is connected with the oxirane feed tube with liquid feed valve, liquid outlet and drag-out valve collar oxygen
Ethane drain pipe connects, and described liquid feed valve is provided with downstream blind plate towards one end of oxirane pump, described liquid valve direction
One end of oxirane pump is provided with upstream blind plate；
Flushing liquor inlet pipe, one end is connected with rinsing liquid container, and the other end is connected with oxirane feed tube, flushing liquor inlet pipe
And the junction of oxirane feed tube is located between described liquid feed valve and oxirane pump；
Rinse liquid feed valve, be located on described flushing liquor inlet pipe；
Flushing liquor delivery pipe, one end is connected with described oxirane drain pipe, and the other end and flushing liquor absorb container even
Connect；
Flushing liquor drain valve, is located on described flushing liquor delivery pipe.
In a kind of flusher technical scheme of this utility model oxirane pump, further preferred technical scheme feature
It is: on described flushing liquor inlet pipe, be additionally provided with adapter.
In a kind of flusher technical scheme of this utility model oxirane pump, further preferred technical scheme feature
It is: also include flushing liquor feed liquor and drench valve, positioned between described flushing liquid feed valve and oxirane pump, this flushing liquor feed liquor falls
The liquid feeding end drenching valve is connected with the bottom of flushing liquor inlet pipe, and this flushing liquor feed liquor falls to drench the liquid outlet of valve down.
In a kind of flusher technical scheme of this utility model oxirane pump, further preferred technical scheme feature
It is: also include flushing liquor and go out liquid drenching valve, absorb between container positioned at described flushing liquor drain valve and flushing liquor, this flushing liquor
Go out liquid and fall to drench the liquid feeding end of valve and is connected with the bottom of flushing liquor delivery pipe, this flushing liquor go out liquid pouring valve liquid outlet down.
In a kind of flusher technical scheme of this utility model oxirane pump, further preferred technical scheme feature
It is: described flushing liquor goes out liquid and falls to drench and is additionally provided with the second discharge on the flushing liquor delivery pipe that valve and flushing liquor absorb between container
Valve.
Compared with prior art, this utility model has the following technical effect that:
1) blind plate is arranged on liquid feed valve as quarantine measures, it can be avoided that oxirane leakage；
2) passing through to arrange flushing liquor absorption container, eo flushing liquor being avoided to enter floor drain sewerage, thus avoiding dirt
Water system formed explosive mixture, and due to flushing liquor be emitted into washing liquid absorb container, scene operator do not have by
Oxirane splash with potential safety hazard；
3) oxirane in flushing liquor can be recovered, and increases benefit；
4) directly adapter connects, and rinses at any time and connects at any time, convenient and swift.
Brief description
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Referring to the drawings, further describe concrete technical scheme of the present utility model, in order to those skilled in the art
Member is further understood that this utility model, and does not constitute the restriction of its right.
Embodiment 1, with reference to Fig. 1, a kind of flusher of oxirane pump, comprising:
Centrifugal pump 2, liquid feeding end is connected with the oxirane feed tube 1 with liquid feed valve 21, the ring of liquid outlet and drag-out valve 3
Oxidative ethane drain pipe 22 connects, and described liquid feed valve 21 is provided with blind plate towards one end of centrifugal pump 2, rinses front elder generation in centrifugal pump 2
Liquid feed valve 21 at pump intake is closed, after centrifugal pump rinses and is over, then blind for the downstream blind plate after liquid feed valve 21
Extremely, centrifugal pump 2 and liquid feed valve 21 are isolated.Simultaneously before rinsing in centrifugal pump, need first liquid valve 3 to be closed, punching
After having washed, then blind for front for valve upstream blind plate dead, centrifugal pump and liquid valve 3 are isolated.
Flushing liquor inlet pipe 90, one end is connected with rinsing liquid container 9, and the other end is connected with oxirane feed tube 1, flushing liquor
The junction of inlet pipe 90 and oxirane feed tube 1 is located between described liquid feed valve 21 and centrifugal pump 2；
Rinse liquid feed valve 4, be located on described flushing liquor inlet pipe 90；Rinse liquid feed valve 4 at ordinary times to be closed, before valve
Blind plate be also at blind death situation state, when centrifugal pump 2 is rinsed, blind plate is thrown as blind open state, rinses liquid feed valve 4 dozens
Open.
Flushing liquor delivery pipe 11, one end is connected with described oxirane drain pipe 22, and the other end is absorbed with flushing liquor and holds
Device 12 connects；
Flushing liquor drain valve 5, is located on described flushing liquor delivery pipe 11, is in closing shape when flushing liquor drain valve 5 is flat
State, after valve, blind plate is also at blind death situation state, when centrifugal pump is rinsed, first opens blind plate after valve, then beats again
Drive flushing liquor drain valve 5.Flushing liquor drain valve 5 is minimum with the distance of oxirane drain pipe 22, this is because, work as centrifugal pump
Outlet is when having material, herein minimum range can avoid oxirane stagnates herein (oxirane is stagnated and is had polymerization danger,
Thus leading to heat release, blast), such that it is able to avoid producing the danger of blast；
Embodiment 2, in the flusher of oxirane pump described in embodiment 1: also set on described flushing liquor inlet pipe 90
There is adapter 92.Be off when adapter 92 is flat, valves leakage can be avoided, thus lead to flushing liquor enter from
Heart pump, pollutes product of ethylene oxide.Just will connect only when being rinsed to centrifugal pump, connect easily.Adapter is
Make of 90 ° of elbow two ends welded flanges scene pipe arrangements, nominal situation does not need to connect, this section of adapter pipe lean on pump end to
On rotate 90 °, disconnection two at flange port respectively install blind flange additional, adapter 92 is off, and can avoid in valve
Leakage, thus leading to flushing liquor to enter centrifugal pump, pollutes product of ethylene oxide.Just will change only when being rinsed to centrifugal pump
Joint is turned round 90 ° and is connected with pump flange port, confirms to start flushing operation after connection is errorless.
Embodiment 3, in the flusher of oxirane pump described in embodiment 1 and 2: also include flushing liquor feed liquor and drench valve
7, positioned between described flushing liquid feed valve 4 and centrifugal pump 2, this flushing liquor feed liquor falls to drench liquid feeding end and the flushing liquor inlet pipe of valve 7
90 bottom connects, and this flushing liquor feed liquor falls to drench the liquid outlet of valve 7 down, flushing liquor feed liquor fall to drench valve 7 flat when be in closing shape
State, after centrifugal pump flushing is completed and confirms to rinse qualified, flushing liquor feed liquor falls to drench valve 7 and open and carries out discharge opeing, and rinses
Liquid feed liquor falls to drench valve 7 and can connect nitrogen flexible pipe, and the centrifugal pump after rinsing is purged.
Embodiment 4, in the flusher of oxirane pump described in embodiment 1-3: also include flushing liquor and go out liquid drenching valve
8, absorb between container 12 positioned at described flushing liquor drain valve 5 and flushing liquor, this flushing liquor go out liquid fall to drench the liquid feeding end of valve 8 with
The bottom of flushing liquor delivery pipe 11 connects, and this flushing liquor goes out liquid and falls to drench the liquid outlet of valve 8 down.Flushing liquor goes out liquid, and pouring valve 8 is flat
When be closed, during centrifugal pump is rinsed, will open valve at regular intervals, to flushing liquor herein
Be sampled, qualified to determine whether to rinse, when complete to centrifugal pump after rinsing and confirm to rinse qualified, by this valve wide open
Carry out discharge opeing, and by flushing liquor feed liquor fall drench valve 7 centrifugal pump is purged when, herein can be used as nitrogen discharge mouth.
Embodiment 5, in the flusher of oxirane pump described in embodiment 1-4: described flushing liquor goes out liquid and falls to drench valve 8
It is additionally provided with the second drain valve 6 on flushing liquor delivery pipe 11 and flushing liquor absorption container 12 between.Second drain valve 6 is in when flat
Closed mode, opens when centrifugal pump is rinsed.
It can be absorption tower that above-mentioned flushing liquor absorbs container 12, and the flushing liquor of centrifugal pump is emitted into absorption tower, it is to avoid
Oxirane flushing liquor disorderly arranged the phenomenon leaving about in the past, and can also reclaim the oxirane in flushing liquor, reduces and wastes, and increased
Benefit.
For expanding production, a production line arranges n centrifugal pump, then oxirane feed tube 1 arranges main feed liquor
Pipe and n root prop up feed tube 20, and centrifugal pump is arranged on a feed tube 20.So correspondingly, flushing liquor inlet pipe 90 is also configured to lead
Flushing liquor feed tube and n root prop up flushing liquor inlet pipe 41, and flushing liquor inlet pipe 41 one end is connected with main flushing liquor feed liquor, a flushing liquor
The other end of inlet pipe 41 is connected with a feed tube 20, and above-mentioned flushing liquid feed valve 4 is arranged on a flushing liquor inlet pipe 41.Rinsing
The first liquid inlet control valve 91 is added between liquid container 9 and adapter 92.
Above-mentioned flushing liquor can be dmw desalted water.
Oxirane pump, except centrifugal pump, can also be other pump housings, such as axial-flow pump, peripheral pump, mixed-flow pump, metering diaphragm
Pump etc., that is to say, that this flusher is not merely applied to centrifugal pump, can be applicable to other above-mentioned pump housings.
Work process of the present utility model:
1) confirm that dmw desalted water can use, confirm that liquid feed valve 21, liquid valve 3 are closed, confirm that the first feed liquor controls
Valve 91, flushing liquid feed valve 4, flushing liquor drain valve 5, the second drain valve 6, flushing liquor feed liquor fall to drench valve 7 and flushing liquor goes out liquid and falls to drench
Valve 8 is closed；
2) the 8 word blind plates blind open state of throwing in liquid feed valve 4 upstream, flushing liquor drain valve 5 downstream will be rinsed, then open flushing
Liquid feed valve 4, flushing liquor drain valve 5 and the second drain valve 6；
3) open the first liquid inlet control valve 91, start centrifugal pump is rinsed；
4), after rinsing a period of time, go out liquid in flushing liquor and fall to drench the containing of sample analysis flushing liquor ethylene oxide at valve 8
Amount, if the content of oxirane be less than 1ppm; for rinse qualified, qualified after rinse a few minutes again, then by the second drain valve 6
Close, the first liquid inlet control valve 91 is closed, the water in pipeline falls to drench valve 7 by flushing liquor feed liquor, flushing liquor goes out liquid and falls to drench valve 8 row
To trench or accident pool；
5) fall to drench in flushing liquor feed liquor and connect nitrogen flexible pipe at valve 7, nitrogen purging is carried out to centrifugal pump, gas blows to flushing liquor
Go out liquid and fall to drench valve 8 aerofluxuss, after a period of time, closing flushing liquor feed liquor falls to drench valve 7 and flushing liquor goes out liquid and falls to drench valve 8；
6) liquid feed valve 21 downstream 8 word blind plate, liquid valve 3 upstream blind plate are turned blind death situation state, pump is given maintenance people
Member's maintenance.
Claims (5)
1. a kind of flusher of oxirane pump is it is characterised in that include:
Oxirane pump, liquid feeding end is connected with the oxirane feed tube with liquid feed valve, the epoxy second of liquid outlet and drag-out valve
Alkane drain pipe connects, and described liquid feed valve is provided with downstream blind plate towards one end of oxirane pump, and described liquid valve is towards ring
One end of oxidative ethane pump is provided with upstream blind plate；
Flushing liquor inlet pipe, one end is connected with rinsing liquid container, and the other end is connected with oxirane feed tube, flushing liquor inlet pipe and ring
The junction of oxidative ethane feed tube is located between described liquid feed valve and oxirane pump；
Rinse liquid feed valve, be located on described flushing liquor inlet pipe；
Flushing liquor delivery pipe, one end is connected with described oxirane drain pipe, and the other end absorbs container with flushing liquor and is connected；
Flushing liquor drain valve, is located on described flushing liquor delivery pipe.
2. oxirane pump according to claim 1 flusher it is characterised in that: on described flushing liquor inlet pipe also
It is provided with adapter.
3. oxirane pump according to claim 1 and 2 flusher it is characterised in that: also include flushing liquor feed liquor
Fall to drench valve, positioned between described flushing liquid feed valve and oxirane pump, this flushing liquor feed liquor falls to drench liquid feeding end and the flushing of valve
The bottom of liquid inlet pipe connects, and this flushing liquor feed liquor falls to drench the liquid outlet of valve down.
4. oxirane pump according to claim 1 and 2 flusher it is characterised in that: also include flushing liquor and go out liquid
Fall to drench valve, absorb between container positioned at described flushing liquor drain valve and flushing liquor, this flushing liquor goes out liquid and falls to drench the liquid feeding end of valve
Be connected with the bottom of flushing liquor delivery pipe, this flushing liquor go out liquid fall drench valve liquid outlet down.
5. oxirane pump according to claim 4 flusher it is characterised in that: described flushing liquor go out liquid fall drench
It is additionally provided with the second drain valve on flushing liquor delivery pipe between valve and flushing liquor absorption container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620811169.XU CN205887527U (en) | 2016-07-29 | 2016-07-29 | Washing unit of ethylene oxide pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620811169.XU CN205887527U (en) | 2016-07-29 | 2016-07-29 | Washing unit of ethylene oxide pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205887527U true CN205887527U (en) | 2017-01-18 |
Family
ID=57784635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620811169.XU Active CN205887527U (en) | 2016-07-29 | 2016-07-29 | Washing unit of ethylene oxide pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205887527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156417A (en) * | 2020-01-08 | 2020-05-15 | 恒力石化（大连）炼化有限公司 | Device for low-temperature methanol washing and using method thereof |
-
2016
- 2016-07-29 CN CN201620811169.XU patent/CN205887527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156417A (en) * | 2020-01-08 | 2020-05-15 | 恒力石化（大连）炼化有限公司 | Device for low-temperature methanol washing and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |