CN206828095U - A kind of device for eliminating oxygenerator cooling system spray thrower and blocking - Google Patents
A kind of device for eliminating oxygenerator cooling system spray thrower and blocking Download PDFInfo
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- CN206828095U CN206828095U CN201720051388.7U CN201720051388U CN206828095U CN 206828095 U CN206828095 U CN 206828095U CN 201720051388 U CN201720051388 U CN 201720051388U CN 206828095 U CN206828095 U CN 206828095U
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Abstract
A kind of device for eliminating oxygenerator cooling system spray thrower and blocking of the utility model, described device includes drawing discharge pipe all the way from air cooling system feed pipe, filter inlet valve, filter, filter outlet valve have been sequentially connected in series thereon, or a discharge main valve is installed on discharge pipe, thereafter bypass line all the way in parallel, stop valve is provided with, bypass line is connected after collecting after stop valve with discharge pipe with cooling system return pipe；The caliber of the discharge pipe and bypass line is respectively less than the caliber of air cooling system feed pipe；Device described in the utility model utilizes static pressure siphon principle, it is possible to achieve air separation plant of not stopping transport removes the effect of cooling system tamper.
Description
Technical field
The utility model belongs to Cryogenic air separation oxygen field, more particularly to the field cooling system.
Background technology
Cryogenic air separation process oxygenerating technology is mainly used in large oxygen-making machine group, it is desirable to equipment long-period stable operation.
The air cooling system of oxygen making unit includes air cooling compressor, nitrogen water cooling tower, the raw air for entering oxygenerator is carried out pre-
First cool down.In production, air cooling compressor, the spray thrower at the top of nitrogen water cooling tower and catch network of rivers quasi-periodic and iron oxide occur
Cut, aquatic organism and seasonal leaf titbit thing clogging, cause cooling medium bias current in cooling system, spray thrower can not be normal
Work, cooling tower water level, the very fast decline of cold water pump discharge, influences cooling of the air cooling tower top to air, can not guarantee in air
Water-soluble harmful substance SO2、 NO2Remove, and water content is raised and increased with chilling temperature in saturated air, influences follow-up work
Sequence molecular sieve purification effect；Especially in the case of being again started up after water-cooling tower is stopped transport for a long time, water supply line is for a long time without moisture film situation
Lower corrosion is more serious, the foreign matters from being blocked phenomenon especially severe such as initial start stage iron scale.Conventional treatment mode is appearance at present
Such failure can only suspend the water systems such as technique water pump and carry out simple process, and spray thrower is unpicked and washed by forced-stopping machine when pending fault is serious
And network of rivers etc. is caught, directly affect being normally carried out for production.
The content of the invention
In order to solve the above technical problems, the utility model adds a set of elimination oxygenerator cooling on original water return pipeline
The device that system spray thrower blocks, described device are effectively eliminated using static pressure siphon principle in the case where equipment is not stopped transport
Oxygenerator cooling system spray thrower blockage problem.
Scheme one：The device for eliminating the blocking of oxygenerator cooling system spray thrower includes：Supplied water from air cooling system
Discharge pipe all the way is drawn on pipeline, filter inlet valve has been sequentially connected in series on the discharge pipe, filter and filter go out
Mouth valve, the discharge pipe outlet is connected after the filter outlet valve with cooling system return pipe, while the discharge
Line entry is connected to after the exit of pump valve of air cooling system supply channel bottom.Oxygenerator air cooling system is normal
Appropriate to increase water supply line pressure when spray thrower is found in operation and catching network of rivers blocking, adjustment increases pump capacity, heightens air cooling
Tower, water-cooling tower bottom water level, after air cooling tower, water-cooling tower bottom water level reach certain and required, the equipment such as switch off the pump stops supplying water,
The rapid filter inlet valve and filter outlet valve for opening said apparatus, now water level stops in peak, moment in feed pipe
Only supply water, can cause water storage in feed pipe that under gravity toward movement at the subdrain mouth of pipe, negative pressure is produced in feed pipe,
Siphonage is formed, spray thrower will be accumulated in and catch the filter that tamper at the network of rivers takes from eminence lower to, reach removing
Purpose, it is repeated several times after reaching elimination effect and resumes water supply.In order to preferably utilize horizontal plane dramatic decrease in supply channel to produce
Raw pressure differential, said apparatus is arranged on to the bottom of supply channel as far as possible, to increase drop.
Scheme two：The utility model further embodiment includes：Before the discharge pipe upper filter inlet valve
Increase a discharge main valve, bypass line all the way is also parallel with after main valve is discharged, the bypass line exists with discharge pipe
Collect after filter outlet valve and be connected with cooling system return pipe, stop valve is provided with the bypass line.Increase is all the way
The effect of bypass is removing the tamper discharge later stage, and the impurity in discharge pipe line is largely reduced, in order to accelerate
Discharge, resumes water supply, can open stop valve as early as possible, accelerates the discharge of discharge pipe line, shortens the drain time for understanding tamper.
The further embodiment of such scheme one or two, in order to make full use of static pressure siphon principle, the discharge pipe
The caliber of air cooling system supply channel is respectively less than with the caliber of bypass line, sewage enters contracting from the supply channel of Large Diameter Pipeline
When the discharge pipe line or bypass line of pipe with small pipe diameter, can because caliber narrows and flow velocity accelerate, be easy to quickly take tamper out of
Filter screen, it is better protected from larger tamper and is detained in pipe.This programme optimum implementation is the discharge pipe and bypass pipe
The caliber on road is equal to or less than the half of air cooling system feed pipe caliber, meanwhile, pipe diameter size is led to not influenceing tamper
Cross is that implementation result is optimal.
The utility model eliminates what spray thrower blocked by being set up on the air cooling system supply channel of oxygen making unit
Device, caused foreign matters from being blocked failure in being run using static pressure siphon principle abatement apparatus, is reached not outaged equipment and effectively handled
Purpose.
Brief description of the drawings
Fig. 1 is that the utility model device pipeline arranges schematic diagram.
1st, the network of rivers and spray thrower are caught；2nd, feed pipe；3rd, return pipe；4th, exit of pump valve；10th, discharge pipe；11st, filter
Inlet valve；12nd, filter；13rd, filter outlet valve；20th, bypass line；21st, main valve is discharged；22nd, stop valve.
Embodiment
1 pair of the utility model is further described in detail below in conjunction with the accompanying drawings：
The utility model embodiment routinely designs a diameter of 350mm of air cooling tower feed pipe, and water-cooling tower feed pipe is a diameter of
200mm, flow are respectively 90m3/h、50m3The minimum height of conventional design in the network of rivers and spray thrower 1 is caught on/h, air cooling tower and water-cooling tower
Spend for 20m, maximum height 27m, under the full water state of feed pipe 2 in outaged equipment pipe static pressure can reach 0.196~
0.2646MPa。
Specific embodiment one：In the bottom of feed pipe 2, i.e., after the normal temperature exit of pump valve 4 of water-cooling tower and air cooling tower it is cold
Device discharge pipe 10 described in the utility model is installed after freezing exit of pump valve 4, the network of rivers and spray thrower foreign matter are caught when needing removing
During blocking, water supply pump flow 10%~20% is increased, to increase water supply pipe pressure, while to ensure to stop to produce during supplying water
Technique is normally carried out, and after heightening air cooling tower, water-cooling tower bottom water level to specified peak level, is first turned on filter outlet
Valve 13, it is then switched off water pump 4 etc. and enters wetting system stopping water supply, close water supply line valve, open filter inlet rapidly afterwards
Valve 11, the water put aside in water-cooling tower, air cooling tower feed pipe 2 utilize its urgency because Action of Gravity Field rapidly falls after stopping supplying water
Static pressure siphon power caused by speed whereabouts, which takes away tamper, catches the network of rivers and spray thrower 1, flows through filter 12 afterwards, tamper is by mistake
Filter 12 intercepts, and removes the water after tamper and is back to return pipe 3 by filter outlet valve 13, by further processing, follows
Ring uses.This process several times, closes filter inlet valve 11 after reaching expected elimination effect, it is extensive to open water supply line valve repeatedly
Multiple normal process, cleaning filter 12, which removes, blocks debris, closes filter outlet valve 13, the institute of the utility model one afterwards
It is standby to state device.
Specific embodiment two：On the basis of scheme one, when air cooling tower, water-cooling tower bottom water level reach operational height
Afterwards, filter inlet valve 11 is first turned on, outlet valve 13, water pump etc. is then switched off and enters wetting system stopping water supply, close feed pipe
Line valve, it is rapid afterwards to open discharge main valve 21, the stop valve 22 on bypass line 20 is opened in the removing tamper discharge later stage,
Accelerate discharge.This process several times, closes discharge main valve 21 after reaching expected elimination effect, opens water supply line valve and recover repeatedly
Normal process, cleaning filter 12, which removes, blocks debris, closes filter outlet valve 13, stop valve 22 afterwards.The utility model
The described device of scheme two is standby.The program block it is serious when or remove early stage, using the discharge pipe 10 with filter 12, keep away
Exempt from a large amount of tampers and bring water return pipeline into, reset procedure later stage bypass line 20 used in parallel, reduce the resistance on flow pipe,
Accelerate discharge, make elimination effect more preferable.
The utility model further embodiment embodiment is：According to static pressure siphon principle, it is calculated in theory, works as dress
When putting the caliber of discharge pipe 10 and bypass line 20 and choosing a diameter of 80mm, now air cooling tower effluent flow rate can reach 861m3/
H, water-cooling tower effluent flow rate is up to 156m3/ h, it can preferably reach the effect for removing foreign matter after tested.Therefore the utility model is implemented
Example is chosen optimum implementation, arranged using the drainpipe of more than half equal to or less than feed pipe caliber through repeatedly test
When putting, flow velocity is up into more than 2 times flow velocitys during water, produces preferable siphon effect, is taken away so as to will effectively block foreign matter
Spray thrower and catch the network of rivers.
Device described in the utility model utilizes static pressure siphon principle, it is possible to achieve air separation plant of not stopping transport removes tamper
Effect.The device can be implemented at any time, easy to operate, and operating mode is had no effect, while ensure stable operation of unit, avoid
The economic loss and secondary risk that oxygenerator frequent starting is brought.
Claims (3)
1. a kind of device for eliminating oxygenerator cooling system spray thrower and blocking, described device include：Supplied water from air cooling system
Discharge pipe (10) all the way are drawn on pipe (2), filter inlet valve (11) has been sequentially connected in series on the discharge pipe (10), are filtered
Device (12), filter outlet valve (13), the discharge pipe (10) outlet after the filter outlet valve (13) with cooling
System return pipe (3) connects, while discharge pipe (10) entrance is connected to the water of air cooling system feed pipe (2) bottom and pumped out
After mouth valve (4).
2. device according to claim 1, it is characterised in that：In the discharge pipe (10) upper filter inlet valve (11)
Increase a discharge main valve (21) before, bypass line (20) all the way, the bypass are also parallel with after discharge main valve (21)
Pipeline (20) collects with discharge pipe (10) after filter outlet valve (13) to be connected with cooling system return pipe (3), described
Stop valve (22) is provided with bypass line (20).
3. device according to claim 2, it is characterised in that：The discharge pipe (10) and the caliber of bypass line (20)
The respectively less than caliber of air cooling system feed pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051388.7U CN206828095U (en) | 2017-01-17 | 2017-01-17 | A kind of device for eliminating oxygenerator cooling system spray thrower and blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720051388.7U CN206828095U (en) | 2017-01-17 | 2017-01-17 | A kind of device for eliminating oxygenerator cooling system spray thrower and blocking |
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| Publication Number | Publication Date |
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| CN206828095U true CN206828095U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720051388.7U Active CN206828095U (en) | 2017-01-17 | 2017-01-17 | A kind of device for eliminating oxygenerator cooling system spray thrower and blocking |
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| CN (1) | CN206828095U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747608A (en) * | 2020-12-14 | 2021-05-04 | 安徽加力气体有限公司 | Air cooling tower and self-cleaning method |
| CN113685730A (en) * | 2021-07-12 | 2021-11-23 | 中铁建华南建设有限公司 | Air supply structure for pressure maintaining system and earth pressure balance shield machine |
-
2017
- 2017-01-17 CN CN201720051388.7U patent/CN206828095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747608A (en) * | 2020-12-14 | 2021-05-04 | 安徽加力气体有限公司 | Air cooling tower and self-cleaning method |
| CN113685730A (en) * | 2021-07-12 | 2021-11-23 | 中铁建华南建设有限公司 | Air supply structure for pressure maintaining system and earth pressure balance shield machine |
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