CN102049400A - Novel online automatic water washing device - Google Patents
Novel online automatic water washing device Download PDFInfo
- Publication number
- CN102049400A CN102049400A CN2009101744164A CN200910174416A CN102049400A CN 102049400 A CN102049400 A CN 102049400A CN 2009101744164 A CN2009101744164 A CN 2009101744164A CN 200910174416 A CN200910174416 A CN 200910174416A CN 102049400 A CN102049400 A CN 102049400A
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- tank body
- backwash
- water flushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a novel online automatic water washing device, which comprises an electric-dewatering and electric-desalting tank body, a backwash water inlet pipe, a water washing distribution pipe, a crude oil water injection pipe, a crude oil inlet and a drain outlet, wherein a backwash collecting pipe and a section washing pipe are arranged at the bottom of the tank body in a longitudinal length direction; a water washing pump controlled by an automatic control system is arranged outside the electric-dewatering and electric-desalting tank body; and the backwash collecting pipe is arranged on the lower part of the backwash water inlet pipe, is 15 to 25cm away from the bottom of the tank body and has a width of 40 to 60cm so as to prevent silt from being mixed into an inlet pipe of the water washing pump to abrade the water washing pump. A water outlet pipe of the water washing pump can be divided into one or more unequal section flushing pipes according to the size of the tank body, and flushing time can be set respectively. A backwash system is connected with an interface controller to perform integrally automatic control, so that the stability of an oil-water interface in the electric-dewatering and electric-desalting tank body is ensured in the backwash process, the desalting and dewatering efficiency of the tank body is improved, and the silt is timely and effectively drained out of the tank body through the drain outlet. Therefore, the aim of water washing is fulfilled.
Description
Technical field
The present invention relates to a kind of novel on-line automatic water flushing device, belong to chemical machinery field, especially a kind of automatic water flushing device of online line that is applicable to the silt of deposition in oil field or oil plant crude oil electric dewatering, the electro-desalting device jar.
Background technology
Dehydration of crude oil desalination is petroleum refining front very important unit operations, particularly China's energy today in short supply, for improving the efficient of petroleum refining, reduces the corrosion of crude oil to equipment, and it is important that dehydration of crude oil desalination seems all the more.
In the process for petroleum recovery process, crude oil contains a large amount of water and silt during extraction at the bottom of the ground, different oil fields, and the even not same oil wells in different oil district, moisture and contain quantity of sand and mud and also have nothing in common with each other in institute's extraction crude oil.
In the crude Treatment technology process in oil field, silt generally will be through primary separator in the crude oil, three process equipments of second-stage separator and electric dehydration demineralizer.Deviating from by the two-stage separator in the process of Free water, part silt also can access and remove, but because the separator operation temperature is relatively low, and the oil-water emulsion fluid viscosity is bigger, most of silt can not be removed, and enters in the electric dehydration electro-desalting tank body.
Because before entering electric dehydration electro-desalting tank body, crude oil emulsion is heated, and has lowered the viscosity of emulsion, and in electric dehydration electro-desalting high voltage electric field dehydration, a large amount of silts that crude oil carries separate with crude oil, are deposited on electric dehydration electro-desalting tank body bottom.In electric dehydration electric desalting equipment running, must keep the relatively stable of profit circle position, therefore, must in time discharge the silt that is deposited on tank base, otherwise constantly the silt of deposition will be raised profit circle position, if the too high high voltage electric field zone that reaches, position, boundary will cause short circuit or puncture between battery lead plate, jeopardize the even running of electric dehydration electric desalting equipment.
At present, Chinese patent CN201258732 discloses water process of washing in a kind of electric dehydration electro-desalting tank body, and the water rinse-system of existing design adopts at tank base design two row's cleaning hoses, designs nozzle on the cleaning hose, the nozzle direction is used to wash silt along the tank body tangential direction.Carry out water when flushing, the crude oil water filling stops, and opens the water flushing pump, the water flushing device cycled recondition situation that designs in the electric dehydration electro-desalting tank body, and this water rinse-system is not fine.Because, when carrying out the water flushing, stop the crude oil water filling, this has just caused a jar interior oil-water interfaces instability, and the most direct result of instability is exactly the reduction of desalting and dewatering efficient, the even running that can also jeopardize electro-desalting electric dehydration equipment when serious; Secondly, the flushing water waste of each water flushing is serious, and manually-operated intensity is big, in line with raising the efficiency, reduces the principle of waste, and this method is not a preferred plan.
Summary of the invention
For the silt that deposits in the electric dehydration electro-desalting device tank body of removing oil field or oil plant timely and effectively, the problems referred to above at prior art, the invention provides a kind of novel on-line automatic back purge system, can be in electric dehydration electro-desalting running, by set up backwash collector pipe and sectional flushing pipe at pot bottom, and with backwash collector pipe and water flushing distributor pipe respectively be connected the water flushing pump on water flushing pump inlet tube be connected with water flushing pump outlet pipe, form a closed circuit.When carrying out the water flushing, flush water pump is by level-sensing device automatic test controller control start and stop, backwashing system is connected with interface controller and carries out automatically control of integral body, open sewage draining exit simultaneously, the size of based on crude water injection rate and blowdown flow rate, make it to reach a dynamic balance, thereby flushing water endlessly is provided, reach the purpose of silt being discharged tank body.
The technical solution adopted for the present invention to solve the technical problems is: a kind of novel on-line automatic back purge system, comprise electric dehydration electro-desalting tank body, backwash water inlet pipe, water flushing distributor pipe, crude oil water injection pipe, original oil-in and sewage draining exit, backwash collector pipe and sectional flushing pipe have also been designed in the bottom of electric dehydration electro-desalting tank body, at the external water flushing pump that is provided with by automatic controlling system of electric dehydration electrical desalter.
For the silt content of the flushing water that makes pump circulation remains in the suitable scope, the backwash collector pipe is arranged on backwash water inlet pipe bottom, and apart from electric dehydration electro-desalting tank body bottom 15～25cm, width is 40～60cm.The backwash water receiving pipe is provided with aperture, and the spacing of perforate is 30～55cm.The water flushing pump is by water flushing pump outlet pipe and water flushing pump inlet tube, be connected with the backwash collector pipe with the backwash water inlet pipe respectively, form a closed circuit, like this when carrying out the water flushing, flushing water does not also come from the external world, enters the backwash collector pipe but directly extracted in tank body by pump, because automatic water rinse-system and crude oil flood pattern are separated, make the crude oil water filling to stop, thereby guaranteed the stable of jar interior oil-water interfaces.
Level-sensing device automatic test controller in water flushing pump and the electric dehydration electro-desalting tank body is connected, backwashing system is connected with interface controller and carries out automatically control of integral body, automatic control system is controlled crude oil import pipe, crude exports pipe, the flow of pump, sewage draining exit simultaneously, and the temperature and pressure in the detection tank body, realize start and stop by the level-sensing device automatic test controller according to the silt content in the water of the detected jar end to the water flushing pump, after the water flushing pump is opened the regular hour, open sewage draining exit, make crude oil water injection rate and blowdown flow rate reach a dynamic balance.
Water flushing pump outlet pipe can be one section sectional flushing pipe that does not wait to multistage according to the size design of tank body, and can set washing time in automatic controller, thereby reaches the purpose of automatic flushing.
Beneficial effect of the present invention is: when using on-line automatic water flushing device, the crude oil water filling does not stop, backwashing system is connected with interface controller and carries out automatically control of integral body, effectively controlled the interior oil-water interfaces of tank body and kept stable, unclear, the fluctuation of jar inner boundary when preventing to wash, the desalting and dewatering efficient of raising in backwash has during this period of time reached the effect that silt in the electro-desalting electric dehydration jar is carried out backwash simultaneously, has guaranteed to produce safely and effectively.Whole backwash process is controlled automatically by on-line automatic control program and is carried out, and when raising the efficiency, keeping the safety in production, has reduced workman's operation intensity, has saved water resource.
Description of drawings
Accompanying drawing 1: the general arrangement schematic of the present invention in electric dehydration electro-desalting tank body
Accompanying drawing 2: water flushing pump outlet pipe sectional flushing schematic diagram of the present invention
Among Fig. 1: 1. electric dehydration electro-desalting tank body, 2. backwash water inlet pipe, 3. water flushing distributor pipe, 4. sewage draining exit, 5. water flushing pump outlet pipe, 6. crude oil water injection pipe, 7. crude oil oil-in, 8. water flushing pump, 9. water flushing pump inlet tube, 10. backwash collector pipe, 11. sectional flushing pipes.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described:
A kind of novel on-line automatic back purge system, comprise electric dehydration electro-desalting tank body (1), backwash water inlet pipe (2), water flushing distributor pipe (3), crude oil water injection pipe (6), original oil-in (7) and sewage draining exit (4), also designed backwash collector pipe (10) and sectional flushing pipe (11) in the bottom of electric dehydration electro-desalting tank body (1), outside electric dehydration electro-desalting tank body (1), be provided with water flushing pump (8) by automatic controlling system.
For the silt content of the flushing water that makes pump circulation remains in the suitable scope, backwash collector pipe (10) is positioned at backwash water inlet pipe (2) bottom, and apart from electric dehydration electro-desalting tank body (1) bottom 15～25cm, width is 40～60cm.Backwash collector pipe (10) is provided with aperture, and the spacing of perforate is 30～55cm.Water flushing pump (8) is by water flushing pump outlet pipe (5) and water flushing pump inlet tube (9), be connected with backwash water receiving pipe (10) with backwash water inlet pipe (2) respectively, form a closed circuit, like this when carrying out the water flushing, flushing water does not also come from the external world, enter the backwash collector pipe (10) but directly in tank body, extract by pump, because automatic water rinse-system and crude oil flood pattern are separated, make the crude oil water filling to stop, thereby guaranteed the stable of jar interior oil-water interfaces.
In addition, level-sensing device automatic controller in water flushing pump (8) and the electric dehydration electro-desalting tank body is connected, integral body control is automatically carried out in backwashing system and interface control, automatic control system is controlled crude oil import pipe, crude exports pipe, the flow of pump, sewage draining exit simultaneously, and the temperature and pressure in the detection tank body, realize start and stop by the level-sensing device automatic test controller according to the silt content in the water of the detected jar end to the water flushing pump, after the water flushing pump is opened the regular hour, open sewage draining exit, make crude oil water injection rate and blowdown flow rate reach a dynamic balance.
Water flushing pump outlet pipe (9) can be one section sectional flushing pipe (11) that does not wait to multistage according to the size design of tank body, and can set washing time by automatic controller, thereby reaches the purpose of automatic flushing.
As depicted in figs. 1 and 2, after the electric dehydration electrical desalter moves the regular hour, open control water flushing device automatically, the flushing pump inlet tube (9) of at first fetching boiling water go up and water flushing pump outlet pipe (5) on valve, backwash water enters backwash water inlet pipe (2) in backwash collector pipe (10) collection of electric dehydration electro-desalting tank body (1) bottom and by water flushing pump (8) through water flushing pump outlet pipe (5) by design, and through water flushing distributor pipe (3) thus flow out flushing electric dehydration electro-desalting tank body (1) bottom sediment, enter in the tank body through crude oil water injection pipe (6) in this a part of fresh water of while, be backwashed collector pipe (10) collection in the lump with the moisture that contains in the crude oil and enter water flushing pump (8), so circulate, form the closed circuit of a backwash water like this.
In water flushing running, crude oil water injection pipe (6) is still opened water filling, and the start and stop of water flushing pump (8) are realized according to the silt content in the detected jar of end water by the level-sensing device automatic test controller, when silt content acquires a certain degree, the level-sensing device automatic test controller is just opened water flushing pump (8) and is washed, after water flushing pump (8) is opened the regular hour, open the valve on the sewage draining exit (4) again, backwashing system is connected with interface controller and carries out automatically control of integral body, automatic control system monitoring crude oil water injection rate, the crude oil oil inlet quantity, blowdown flow rate, the flow of pump, sediment charge in the tank body, each water washing time, the size of based on crude water injection rate and blowdown flow rate makes it to reach a dynamic equilibrium.
Sediment charge in order to ensure water flushing pump (8) flushing water remains in the suitable scope, and silt is not collected by water flushing collector pipe (10) and is entered the damage that causes pump in the water flushing pump (8), be arranged on backwash water inlet pipe (2) bottom according to the backwash collector pipe (10) of repeatedly practising with electric dehydration electro-desalting tank body (1) bottom, between 15～25cm, width is 40～60cm apart from the distance of tank base.In actual moving process, size according to tank body, water flushing pump outlet pipe (5) can be designed to the segmentation flushing, and setting washing time, in the process of whole like this backwash, because the crude oil water filling does not stop, the flushing water source is succinct convenient, backwashing system is connected with interface controller and carries out automatically control of integral body, so just can accomplish that the on-line automatic water that carries out washes, and had both improved the desalting and dewatering efficient of electric dehydration electro-desalting tank body (1), effectively controlled again oil-water interfaces in the tank body steadily, guaranteed to produce safely and effectively, reduced working strength of workers simultaneously, saved water resource.
Claims (6)
1. novel on-line automatic water flushing device, comprise electric dehydration electro-desalting tank body (1), backwash water inlet pipe (2), water flushing distributor pipe (3), crude oil water injection pipe (6), original oil-in (7) and sewage draining exit (4), it is characterized in that: also designed backwash collector pipe (10) and sectional flushing pipe (11) in the bottom of electric dehydration electro-desalting tank body (1), outside electric dehydration electro-desalting tank body (1), be provided with the water flushing pump (8) that is connected with the automatic controlling system output.
2. a kind of novel on-line automatic water flushing device according to claim 1 is characterized in that: described backwash collector pipe (10) is positioned at backwash water inlet pipe (2) bottom, and apart from electric dehydration electro-desalting tank body (1) bottom 15～25cm, width is 40～60cm.
3. a kind of novel on-line automatic water flushing device according to claim 1 is characterized in that: described water flushing pump (8) is connected with backwash collector pipe (10) with backwash water inlet pipe (2) respectively with water flushing pump outlet pipe (5) by water flushing pump inlet tube (9).
4. a kind of novel on-line automatic water flushing device according to claim 1 is characterized in that: described water flushing pump (8) is connected with the level-sensing device automatic test controller output that is arranged on electric dehydration electro-desalting tank body (1) bottom.
5. a kind of novel on-line automatic water flushing device according to claim 1 is characterized in that: described sectional flushing pipe (11) is designed to one section and does not wait to multistage.
6. a kind of novel on-line automatic water flushing device according to claim 1 and 2 is characterized in that: it is 30～55cm that the last design of described backwash collector pipe (10) has aperture, the spacing of perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101744164A CN102049400B (en) | 2009-10-28 | 2009-10-28 | Novel online automatic water washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101744164A CN102049400B (en) | 2009-10-28 | 2009-10-28 | Novel online automatic water washing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102049400A true CN102049400A (en) | 2011-05-11 |
| CN102049400B CN102049400B (en) | 2012-07-04 |
Family
ID=43954391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101744164A Active CN102049400B (en) | 2009-10-28 | 2009-10-28 | Novel online automatic water washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102049400B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556269A (en) * | 2015-02-02 | 2015-04-29 | 王滋露 | Sewage treatment tank with visible window and cleaning method thereof |
| CN105154131A (en) * | 2015-07-07 | 2015-12-16 | 江苏金门能源装备有限公司 | Automatic sand flushing device |
| CN106433746A (en) * | 2016-12-07 | 2017-02-22 | 江苏金门能源装备有限公司 | Fully-automatic electro-desalting backwash system |
| CN110869100A (en) * | 2017-05-15 | 2020-03-06 | 海德鲁国际有限公司 | Waste water treatment device |
| CN116493364A (en) * | 2023-06-28 | 2023-07-28 | 盛虹炼化(连云港)有限公司 | Electric desalting device backwashing system and backwashing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201088875Y (en) * | 2007-09-18 | 2008-07-23 | 中国石油天然气股份有限公司 | Electric desalting drain sump |
| CN201316557Y (en) * | 2007-10-08 | 2009-09-30 | 江苏三星化工有限公司 | Skid-mounted coal-tar desalination and dehydration device for AC/DC compound electric field |
| CN201192662Y (en) * | 2007-10-18 | 2009-02-11 | 江苏三星化工有限公司 | Electric field separation apparatus for producing biodiesel |
| CN201258732Y (en) * | 2007-12-07 | 2009-06-17 | 江苏三星化工有限公司 | Back-purging for ocean oil production electric dehydration and electric desalting machine |
-
2009
- 2009-10-28 CN CN2009101744164A patent/CN102049400B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556269A (en) * | 2015-02-02 | 2015-04-29 | 王滋露 | Sewage treatment tank with visible window and cleaning method thereof |
| CN104556269B (en) * | 2015-02-02 | 2016-04-06 | 叶葵 | A kind of sewage treatment pot and purging method thereof containing visual windows |
| CN105154131A (en) * | 2015-07-07 | 2015-12-16 | 江苏金门能源装备有限公司 | Automatic sand flushing device |
| CN105154131B (en) * | 2015-07-07 | 2017-03-22 | 江苏金门能源装备有限公司 | Automatic sand flushing device |
| CN106433746A (en) * | 2016-12-07 | 2017-02-22 | 江苏金门能源装备有限公司 | Fully-automatic electro-desalting backwash system |
| CN110869100A (en) * | 2017-05-15 | 2020-03-06 | 海德鲁国际有限公司 | Waste water treatment device |
| CN116493364A (en) * | 2023-06-28 | 2023-07-28 | 盛虹炼化(连云港)有限公司 | Electric desalting device backwashing system and backwashing method thereof |
| CN116493364B (en) * | 2023-06-28 | 2023-09-05 | 盛虹炼化(连云港)有限公司 | Electric desalting device backwashing system and backwashing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102049400B (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102049400B (en) | Novel online automatic water washing device | |
| CN105347435A (en) | Floating oil recycling method and device | |
| CN110527554B (en) | Oil field sump oil recovery processing equipment | |
| CN103861376B (en) | Accident oil collection and treatment device | |
| CN205294905U (en) | Sludge treatment waste liquid collecting device | |
| CN204824404U (en) | Tar aqueous ammonia separation clean system | |
| CN104692555B (en) | A kind of fracturing outlet liquid recycling reuse method and device | |
| CN203144192U (en) | Multistage recovering device for oily wastewater | |
| CN104208941A (en) | Fiber rotary disk filtration tank | |
| CN101302447B (en) | Method for exchanging changing absorber oil in benzol scrubber when resistance rises in winter | |
| CN204147638U (en) | Fibre turntable filter chamber | |
| CN205204877U (en) | Oil slick recovery processing device | |
| CN106995718B (en) | Treatment method of oil field settling tank bottom sludge discharge online treatment device | |
| CN102943361A (en) | Semi-automatic filtering equipment for glass fabric dipping tank | |
| CN209307464U (en) | The device of oil slick in earth solution is removed in Rare-Earth Extraction Process | |
| CN211420084U (en) | Deep processing device for tar in residual ammonia water in coking production | |
| CN203626797U (en) | Water washing device for electric desalination | |
| CN109899269A (en) | Waste-heat recovery device | |
| CN203342537U (en) | System for collecting and recycling wastewater from vacuum machine | |
| CN208212654U (en) | A kind of oil field skid-mounted type filter plant | |
| CN208162205U (en) | Oil pipe cleaning device | |
| CN206033286U (en) | Industrial water treatment device | |
| CN206015641U (en) | The bucket-shaped Oil sucking device of cleaning oil pollution in water | |
| CN105776423B (en) | A kind of circulating purifying device | |
| CN203820509U (en) | Novel filter with rotary flow field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160802 Address after: 212200 No. 2 CLP Road, Jiangsu, Yangzhong Patentee after: Samsung energy Polytron Technologies Inc Address before: 212200 No. 2 CLP Road, Yangzhong Development Zone, Jiangsu, China Patentee before: Jiangsu Sanxing Chemical Co., Ltd. |