CN202638825U - Oil tank washing system - Google Patents
Oil tank washing system Download PDFInfo
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- CN202638825U CN202638825U CN 201220164188 CN201220164188U CN202638825U CN 202638825 U CN202638825 U CN 202638825U CN 201220164188 CN201220164188 CN 201220164188 CN 201220164188 U CN201220164188 U CN 201220164188U CN 202638825 U CN202638825 U CN 202638825U
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Abstract
The utility model provides an oil tank washing system. The system disclosed by the utility model comprises a van truck, a washing machine, a water supply system, a dirt discharging and sewage processing system, an air displacement system and a drying system; a horizontal retracting mechanism of a washing machine is utilized and a three-dimensional shower nozzle is pushed to the center of an oil tank; a water jet washing method is sufficiently utilized to uniformly wash media attached on the inner wall of a tank truck, so as to achieve a better washing effect; and meanwhile, the tank truck can be washed in a sealed manner to reduce the generation of waste gas to the greatest extent, and the waste gas is insensitively discharged in the air, so that the oil tank washing system which has the advantages of safety, mobility, high efficiency and good washing effect is provided.
Description
Technical field
The utility model relates to inner wall of oil tank and cleans the field, furtherly, the utility model relates to a kind of Mobile oil tank purging system and the method for the inwall that is applied to clean the storage in the petroleum chemical industry, specifically a kind of portable buried tank inner wall washing system and method.
Background technology
At present, China gas station buried tank inner wall washing method is the main manual cleaning method that adopts at present, it is directly lower inner to oil tank to wear respirator by the washing and cleaning operation personnel after exhausting raffinate, adopt manual mode that the dirt of oil tank inside is cleaned out, the method cleaning efficiency is low, cleaning performance is poor, the manual cleaning workload is large, the washing and cleaning operation personnel are in the environment of explosive toxic gas fully, operational security is poor, because gas station's buried tank much is positioned at the city, not far with the residential block distance, be to have a large amount of oil gas or toxic chemical substance vaporization to enter atmosphere in air blast and the drying course before the cleaning, contaminated environment, infringement resident and workers ' health; Another kind is the method that adopts water jet cleaning, use the kinetic energy cleaning tank truck inner wall that the shower nozzle that inserts in the oil tank ejects press water, the method cleaning efficiency is high, operative employee's labour intensity is little, and is less to health harm, because gas station's buried tank mouth is partial to a side, nozzle position is a side relatively, relatively poor than distally inner wall of oil tank cleaning performance, and the more and direct discharging of waste gas of the method generation, contaminated air.
The utility model content
The utility model is a kind of oil tank cleaning system, and for the defective that prior art exists, the purpose of this utility model provides a kind of movable type, good, the airtight cleaning of cleaning performance and less buried tank purging system and the methods and applications of toxic emission.
One of the purpose of this utility model provides a kind of oil tank cleaning system, comprise cleaning machine, for water unit,
Blowdown and sewage treatment unit, air displacement unit and main control unit;
The described water unit that supplies is connected with described cleaning machine by water supply line, and described blowdown and sewage treatment unit are discharged for the gas-liquid of aspirating out in the oil tank is separated with preliminary treatment; Described air displacement unit is used for gas in the displacement oil tank, and waste gas is discharged; Described cleaning machine cleans oil tank inside according to the instruction of described main control unit, and effluent discharge and waste gas, finishes cleaning process;
Described cleaning machine comprises contraposition mechanism, horizontal direction telescoping mechanism and shower nozzle; Described alignment device comprises locating dowel, and described locating dowel upper end is fixed on the seal cover for the sealed oil tank mouth; Described horizontal direction telescoping mechanism is arranged on the locating dowel; Described shower nozzle is fixedly installed on the top of described horizontal direction telescoping mechanism; The shower nozzle of described cleaning machine moves to the position at close oil tank center with the horizontal direction telescoping mechanism that is positioned at the locating dowel below.
Concrete, for so that jeting effect is best, described shower nozzle is three-dimensional shower nozzle.
For so that the oil tank mouth is closed tight, gripper and clamping cylinder are housed on the seal cover of described cleaning machine, described gripper is fastened on oil tank mouth manhole flange one end, and described gripper upper arm and described clamping cylinder are close to; When the clamping cylinder air inlet, the cylinder elongation, described gripper lower end is close to below the manhole flange, the downward top of described clamping cylinder of while seal cover, seal cover is compressed above the manhole flange of oil tank mouth, be that described cleaning machine passes through the clamping cylinder between gripper and seal cover, make seal cover compress the oil tank mouth.
Embodiment 1 of the present utility model is, described horizontal direction telescoping mechanism is bar linkage telescopic mechanism, and it comprises motor, leading screw, and nut; Described motor one end is connected with leading screw, drives the leading screw rotation, and two nuts that cooperate with leading screw are done up and down rectilinear motion, two joints of described two nuts and waling stripe telescoping mechanism one end are fixed, the air line distance of two nuts is dwindled, and the connecting rod elongation drives described shower nozzle and stretches.
Embodiment 2 of the present utility model is, described horizontal direction telescoping mechanism is Telescopic-cylinder mechanism, and it comprises telescopic cylinder and slew gear, and described slew gear adopts motor and worm-and-wheel gear; Described motor one end is connected with described worm-and-wheel gear, and described worm-and-wheel gear drives telescopic cylinder and rotates to level; The hand air valve or the electromagnetic gas valve that are positioned at main control unit are opened, and compressed air enters telescopic cylinder, and Telescopic-cylinder drives described shower nozzle and stretches.
Another kind of slew gear adopts rotary cylinder and pinion and rack; Described rotary cylinder one end is connected with described pinion and rack, and described rotary cylinder drives rack linear motion and driven wheel rotation; And then described pinion and rack drive telescopic cylinder rotates to level; The hand air valve or the electromagnetic gas valve that are positioned at main control unit are opened, and compressed air enters telescopic cylinder, and Telescopic-cylinder drives described shower nozzle and stretches.
The utility model is for the cleaning of matching purge machine, and the described water unit that supplies comprises water tank, force (forcing) pump and water supply line; Described water supply line is given the fluid transport in the water tank in the described cleaning machine;
Described blowdown and sewage treatment unit comprise vavuum pump, vacuum tank, suction pump, suction channel, muffler and oil water separator; Vavuum pump aspiration vacuum tank causes vacuum, by with the tank connected suction channel of vacuum, waste liquid and waste gas are extracted oil tank; Described suction channel is connected with described vacuum tank, and in vacuum tank, by the suction of described suction pump, waste liquid enters described oil water separator, carries out water-oil separating with the waste water in the oil tank and Abgasabsaugung; Liquid after the separation refills water tank; Waste gas injects described oil tank through described muffler;
In cleaning process, the waste water that vavuum pump aspirates out, waste gas continue to produce, replenished the gas that reduces in the oil tank by fresh air, to replace fresh air with the purpose of waste gas re-injection oil tank, avoid simultaneously directly continuing discharging waste gas, accomplish waste gas circulation, reduce duration and the exhausted air quantity of toxic emission.After cleaning was finished, oil-free air compressor formed waste gas in the vacuum draw oil tank to venturi injection apparatus input high speed fresh air, and again discharging behind the dilution waste gas.
Described air displacement unit comprises venturi injection apparatus, oil-free air compressor and delivery pipe; Described oil-free air compressor connects the venturi injection apparatus by compressed air piping, and the lower end of venturi injection apparatus communicates by delivery pipe and oil tank, and the upper end leads directly to atmosphere;
Described main control unit is control module, a kind of in computer automatic control or the single-chip microcomputer.
Described system also comprises drying unit, and it comprises air blast, and described air blast is communicated with oil tank by Telescopic air pipe, and after gas displacement reached requirement, air blast dried up.
In order to realize being convenient to mobile purpose, described system also comprises mobile device, described cleaning machine, confession water unit, blowdown and sewage treatment unit, air displacement unit and main control unit are installed on the mobile device, and described mobile device can be van or hand pallet truck.
The utility model has also proposed a kind of oil tank cleaning method on the basis of having researched and developed said system,
May further comprise the steps:
(1), cleaning Vehicle contraposition;
(2), the cleaning machine contraposition, airtight oil tank mouth;
(3), blowdown and sewage disposal system are aspirated out defective material in the tank;
(4), along with cleaning machine work, three-dimensional shower nozzle cleans near the oil tank center;
(5), aspirate out waste gas and waste water simultaneously, wherein, waste gas refills oil tank and circulates, and cleans oil gas residual in the oil tank to be carried out the high-altitude after finishing and concentrate discharging; And by gun barrel the waste water of extracting out is processed;
(6), cleaning machine resets, and manually removes residue in the tank;
(7), air feed in the tank, the oven dry inner wall of oil tank;
(8), detect the inner wall of oil tank cleaning quality.
The utility model specifically is applied in the inner wall washing of buried tank, especially in the cleaning of gas station's buried tank.
The utility model utilizes custom-designed Mobile oil tank cleaning equipment, adopt the three-dimensional shower nozzle near the oil tank center, take full advantage of the method for water jet cleaning, the medium that tank truck inner wall is adhered to evenly cleans, reach better cleaning performance, simultaneously airtight cleaning reduces to greatest extent waste gas and produces, waste gas is concentrated discharging through the high-altitude, thereby a kind of safe, removable, efficient is high, cleaning performance is good oil tank cleaning system and method are provided.
Description of drawings
Fig. 1 is purging system schematic diagram of the present utility model;
Fig. 2 is Mobile oil tank cleaning figure of the present utility model;
Fig. 3 is the utility model cleaning machine basic block diagram;
Fig. 4 is the cleaning-machine structure figure of the utility model embodiment 1;
Fig. 5 is the cleaning-machine structure figure of the utility model embodiment 2;
Fig. 6 is the structural representation of the seal cover of the utility model cleaning machine
Cleaning machine-1, water tank-2, force (forcing) pump-3, vavuum pump-4, vacuum tank-5, suction pump-6, oil water separator-7, air blast-8, van-9, locating dowel-10, horizontal direction telescoping mechanism-11, three-dimensional shower nozzle-12, seal cover-13, gripper-14, oil tank mouth manhole flange-15, clamping cylinder-16, air motor-17, screw-nut body-18, water supply line-19, suction channel-20, muffler-21, delivery pipe-22; Venturi injection apparatus-23, oil-free air compressor-24, waling stripe telescoping mechanism 25, Telescopic-cylinder mechanism 26.
The specific embodiment is as follows in connection with description of drawings.
The specific embodiment
The custom-designed Mobile oil tank purging system of cleaning method that the utility model adopts, by van 9, and be positioned at cleaning machine 1 on the van, the water system that water tank 2 and force (forcing) pump 3 form, vavuum pump 4, vacuum tank 5, the blowdown that suction pump 6 and oil water separator 7 form and sewage disposal system and air blast 8 etc. form air replacement system and drying system composition, cleaning machine 1 is by locating dowel 10, horizontal direction telescoping mechanism 11, three-dimensional shower nozzle 12 forms, three-dimensional shower nozzle 12 moves near the oil tank center with the horizontal direction telescoping mechanism 11 that is positioned at locating dowel 10 belows and cleans, seal cover 13 airtight oil tank mouths are housed on the locating dowel 10, the waste gas cooled via return air pipe 21 that suction pump 6 is aspirated out enters oil tank, and waste gas is concentrated high altitude discharge through delivery pipe 22.
On the seal cover 13 of described cleaning machine gripper 14 is housed, oil tank mouth manhole flange 15 and clamping cylinder 16, described gripper 14 are fastened on described oil tank mouth manhole flange 15 1 ends, and described gripper 14 upper arm and described clamping cylinder 16 are close to; When clamping cylinder 16 air inlets, the cylinder elongation, described gripper 14 lower ends are close to below the manhole flange 15, described clamping cylinder 16 downward top seal covers of while, seal cover 13 is compressed above the oil tank mouth manhole flange 15, be that described cleaning machine passes through the clamping cylinder 16 between gripper 14 and seal cover 13, make seal cover 13 compress the oil tank mouths; Described shower nozzle 12 is three-dimensional shower nozzle.
The specific implementation method of buried tank cleaning equipment is as follows:
Particularly, the cleaning method of the utility model employing may further comprise the steps:
(1), cleaning machine contraposition;
(2), determine scavenging period and input control system according to inner wall of oil tank medium situation, the sleeping tank automation cleaning control system of described system take PLC as core.
(3), cleaning machine and oil tank outage contraposition, the airtight oil tank mouth of seal cover;
(4), start vacuum system, extraction defective material;
(5), cleaning machine horizontal direction telescoping mechanism work, start water system and begin to clean; Low normal pressure and temperature (pressure) water sprays from nozzle, and the directive inner wall of oil tank cleans inner wall of oil tank;
(6), start vacuum system and extract waste gas and sewage out;
(7), gun barrel reenters water tank after the waste water of extracting out is processed, aspirate out waste gas during cleaning and refill oil tank and circulate;
(8), reach setting-up time after, control system is closed water system;
(9), start dry type venturi injection apparatus oil gas residual in the oil tank carried out air displacement, and discharging is concentrated in the high-altitude;
(10), cleaning machine resets;
(11), manually advance tank and remove residue;
(12), air feed in the tank, the oven dry inner wall of oil tank;
(13), detect the inner wall of oil tank cleaning quality.
Embodiment 1
The Mobile oil tank cleaning equipment, by van 9, and be positioned at cleaning machine 1 on the van, the water system that water tank 2, force (forcing) pump 3 and water supply line 19 form, blowdown and sewage disposal system that vavuum pump 4, vacuum tank 5, suction pump 6, suction channel 20, muffler 21 and oil water separator 7 form, venturi injection apparatus 23, oil-free air compressor 24 and delivery pipe 22 form air replacement systems and provide compressed air and air blast 8 etc. forms drying system and forms.Cleaning machine 1 is comprised of locating dowel 10, waling stripe telescoping mechanism 25, three-dimensional shower nozzle 12, locating dowel 10 adopts manually-operated and the contraposition of oil tank mouth, seal cover 13 is housed on the locating dowel 10, gripper 14 and 15 cooperations of buried tank mouth manhole flange are housed on the seal cover 13, by the clamping cylinder 16 between gripper 14 and seal cover 13, make seal cover 13 compress the oil tank mouth; Waling stripe telescoping mechanism 25.The air motor 17 that employing is contained on the locating dowel 10 is power, and flexible by the screw-nut body 18 driving waling stripes that are positioned on the locating dowel 10, the three-dimensional shower nozzle 12 that its far-end is equipped with enters the oil tank center; Water supply line 19, suction channel 20 all pass through seal cover 13 and enter oil tank inside.
The waste gas cooled via return air pipe 21 that vavuum pump 4 aspirates out enters oil tank through seal cover 13, and waste gas is concentrated high altitude discharge through the air replacement system dilution by delivery pipe 22.
Embodiment 2
The Mobile oil tank cleaning equipment, by van 9, and be positioned at cleaning machine 1 on the van, the water system that water tank 2, force (forcing) pump 3 and water supply line 19 form, blowdown and sewage disposal system that vavuum pump 4, vacuum tank 5, suction pump 6, suction channel 20, muffler 21 and oil water separator 7 form, venturi injection apparatus 23, oil-free air compressor 24 and delivery pipe 22 form air replacement systems and provide compressed air and air blast 8 etc. forms drying system and forms.Cleaning machine 1 is comprised of locating dowel 10, Telescopic-cylinder mechanism 26, three-dimensional shower nozzle 12, locating dowel 10 adopts manually-operated and the contraposition of oil tank mouth, seal cover 13 is housed on the locating dowel 10, gripper 14 and 15 cooperations of buried tank mouth manhole flange are housed on the seal cover 13, by the clamping cylinder 16 between gripper 14 and seal cover 13, make seal cover 13 compress the oil tank mouth; Telescopic-cylinder mechanism 26 adopts the air motor 17 that is contained on the locating dowel 10 to be power, by the worm-and-wheel gear 18 that is positioned on the locating dowel 10 the telescopic cylinder Telescopic-cylinder mechanism 26 that is contained on the locating dowel 10 is rotated to horizontal direction, the three-dimensional shower nozzle 12 that Telescopic-cylinder is equipped with its far-end enters the oil tank center; Water supply line 19, suction channel 20 all pass through seal cover 13 and enter oil tank inside.
The waste gas cooled via return air pipe 21 that vavuum pump 4 aspirates out enters oil tank through seal cover 13, and waste gas is concentrated high altitude discharge through the air replacement system dilution by delivery pipe 22.
Claims (8)
1. an oil tank cleaning system is characterized in that, comprises cleaning machine, supplies water unit, blowdown and sewage treatment unit, air displacement unit and main control unit;
The described water unit that supplies is connected with described cleaning machine by water supply line, and described blowdown and sewage treatment unit are discharged for the gas-liquid of aspirating out in the oil tank is separated with preliminary treatment; Described air displacement unit is used for gas in the displacement oil tank, and waste gas is discharged; Described cleaning machine cleans oil tank inside according to the instruction of described main control unit, and effluent discharge and waste gas, finishes cleaning process;
Described cleaning machine comprises contraposition mechanism, horizontal direction telescoping mechanism and shower nozzle; Described alignment device comprises locating dowel, and described locating dowel upper end is fixed on the seal cover for the sealed oil tank mouth; Described horizontal direction telescoping mechanism is arranged on the locating dowel; Described shower nozzle is fixedly installed on the top of described horizontal direction telescoping mechanism; The shower nozzle of described cleaning machine moves to the position at close oil tank center with the horizontal direction telescoping mechanism that is positioned at the locating dowel below.
2. a kind of oil tank cleaning system according to claim 1 is characterized in that,
Gripper and clamping cylinder are housed on the seal cover of described cleaning machine, and described gripper is fastened on oil tank mouth manhole flange one end, and described gripper upper arm and described clamping cylinder are close to; When the clamping cylinder air inlet, the cylinder elongation, described gripper lower end is close to below the manhole flange, the downward top of described clamping cylinder of while seal cover, seal cover is compressed above the manhole flange of oil tank mouth, be that described cleaning machine passes through the clamping cylinder between gripper and seal cover, make seal cover compress the oil tank mouth; Described shower nozzle is three-dimensional shower nozzle.
3. a kind of oil tank cleaning system according to claim 1 and 2 is characterized in that,
Described horizontal direction telescoping mechanism is bar linkage telescopic mechanism, and it comprises motor, leading screw, and nut; Described motor one end is connected with leading screw, drives the leading screw rotation, and two nuts that cooperate with leading screw are done up and down rectilinear motion, two joints of described two nuts and waling stripe telescoping mechanism one end are fixed, the air line distance of two nuts is dwindled, and the connecting rod elongation drives described shower nozzle and stretches.
4. a kind of oil tank cleaning system according to claim 1 and 2 is characterized in that,
Described horizontal direction telescoping mechanism is Telescopic-cylinder mechanism, and it comprises telescopic cylinder and slew gear, and described slew gear adopts motor and worm-and-wheel gear; Described motor one end is connected with described worm-and-wheel gear, and described worm-and-wheel gear drives telescopic cylinder and rotates to level; The hand air valve or the electromagnetic gas valve that are positioned at main control unit are opened, and compressed air enters telescopic cylinder, and Telescopic-cylinder drives described shower nozzle and stretches.
5. a kind of oil tank cleaning system according to claim 1 and 2 is characterized in that,
Described horizontal direction telescoping mechanism is Telescopic-cylinder mechanism, and it comprises telescopic cylinder and slew gear, and described slew gear adopts rotary cylinder and pinion and rack; Described rotary cylinder one end is connected with described pinion and rack, and described rotary cylinder drives rack linear motion and driven wheel rotation; And then described pinion and rack drive telescopic cylinder rotates to level; The hand air valve or the electromagnetic gas valve that are positioned at main control unit are opened, and compressed air enters telescopic cylinder, and Telescopic-cylinder drives described shower nozzle and stretches.
6. a kind of oil tank cleaning system according to claim 1 and 2 is characterized in that,
The described water unit that supplies comprises water tank, force (forcing) pump and water supply line; Described water supply line is given the fluid transport in the water tank in the described cleaning machine;
Described blowdown and sewage treatment unit comprise vavuum pump, vacuum tank, suction pump, suction channel, muffler and oil water separator; Described suction channel is by vavuum pump and vacuum tank, and in vacuum tank, by the suction of described suction pump, waste liquid enters described oil water separator, carries out water-oil separating with the waste water in the oil tank and Abgasabsaugung; Liquid after the separation refills water tank; Waste gas injects described oil tank through described muffler;
Described air displacement unit comprises venturi injection apparatus, oil-free air compressor and delivery pipe; Described oil-free air compressor connects the venturi injection apparatus by compressed air piping, and the lower end of venturi injection apparatus communicates by delivery pipe and oil tank, and the upper end leads directly to atmosphere;
Described main control unit is control module, a kind of in computer automatic control or the single-chip microcomputer.
7. according to claim 1, one of 2,6 described a kind of oil tank cleaning systems is characterized in that,
Described system also comprises drying unit, and it comprises air blast, and described air blast is communicated with oil tank by Telescopic air pipe, and after gas displacement reached requirement, air blast dried up.
8. according to claim 1, one of 2,6,7 described a kind of oil tank cleaning systems is characterized in that,
Described system also comprises mobile device, and described cleaning machine, confession water unit, blowdown and sewage treatment unit, air displacement unit and main control unit are installed on the mobile device, and described mobile device can be van or hand pallet truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220164188 CN202638825U (en) | 2012-04-17 | 2012-04-17 | Oil tank washing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220164188 CN202638825U (en) | 2012-04-17 | 2012-04-17 | Oil tank washing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202638825U true CN202638825U (en) | 2013-01-02 |
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ID=47408003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220164188 Expired - Lifetime CN202638825U (en) | 2012-04-17 | 2012-04-17 | Oil tank washing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202638825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372561A (en) * | 2012-04-17 | 2013-10-30 | 中国石油化工股份有限公司 | Oil tank cleaning system and oil tank cleaning method and application |
| CN106076999A (en) * | 2016-06-12 | 2016-11-09 | 湖北省安全生产应急救援中心 | A kind of liquid chemical groove tank car automatic cleaning system and cleaning process thereof |
-
2012
- 2012-04-17 CN CN 201220164188 patent/CN202638825U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372561A (en) * | 2012-04-17 | 2013-10-30 | 中国石油化工股份有限公司 | Oil tank cleaning system and oil tank cleaning method and application |
| CN106076999A (en) * | 2016-06-12 | 2016-11-09 | 湖北省安全生产应急救援中心 | A kind of liquid chemical groove tank car automatic cleaning system and cleaning process thereof |
| CN106076999B (en) * | 2016-06-12 | 2019-09-20 | 湖北省安全生产应急救援中心 | A kind of liquid chemical groove tank car automatic cleaning system and its cleaning process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |