Oil storage tank bottom surface cleaning equipment and oil storage tank including it
The present invention relates to oil-storage tank cleaning equipment technical field, in particular to a kind of oil storage tank bottom surface cleaning equipment,
Further relate to include the bottom surface cleaning equipment oil storage tank.
During oil extraction, molecule in oil reservoirs, a small amount of mechanical admixture, the grains of sand, soil, heavy metallic salt with
And the weight oily matter such as paraffin and pitch, it, when crude oil stores in oil storage tank, can be accumulated in because sinking naturally than great
Tank bottom, forms black but also thick colloid substance layer not only, as sludge from oil tank, bottom greasy filth with the continuous storage and transportation time growth
And increase, seriously affect the storage and transportation production of oil tank, it is necessary to periodically be purged.
In general, being equipped with the strong mud exhauster of QPN inside oil storage tank, carry out auxiliary sludge discharging, is inhaled tank bottom bed mud by negative pressure
Out, it but removes and is not thorough.
In addition, many oil plants still rest on the real production phase of artificial clear mud cleaning of evaporator, personnel is needed to enter operation in tank,
According to " vertical cylinder steel welds petroleum tank and repairs regulation " regulation, the rehabilitating of tank phase is 5-7 years, manually cleans 1 oil
Tank at least takes 45 days, and advanced COW butterworth also needs 7 people's continuous work 15 days in the world, a large amount of flammable because existing in tank
With other pernicious gases, operating environment is severe, and risk is very high, large labor intensity, and clear tank is long in time limit, causes environmental pollution also very
The cleaning method of oil tank in the world includes mechanical cleaning, chemical cleaning, waterpower cleaning, steam clean etc. at present, greatly
Most cleaning methods cleans after needing to empty in oil tank.However, the Petroleum Production and strategic reserves task in current China
Heavy, petroleum tank appearance is at full stretch, is difficult to vacate oil tank progress clear tank prolonged in this way.With the increase of oil reserve, use
A large amount of oil storage tank, there is 20,000,000 m every year3Above crude oil storage tank needs to clean, with the increase of deposit, this numerical value
Also constantly soaring.China's present case, because advanced cleaning equipment involves great expense, it is impossible to which equal proportion is equipped with, simultaneously
The artificial cleaning frequency is long, risk is big, low efficiency, and in conjunction with actual conditions, the shortening that many scholars propose adaptation China's actual conditions is clear
The idea in period is washed, cleaning in 3-6 months or so is primary, and because the cleaning frequency is short, sludge from oil tank is few, and cleaning speed is fast.But it is this to think
Method can not still solve cleaning equipment reality far from enough.
Summary of the invention
Oilcan cleaning equipment simple, at low cost that the object of the present invention is to provide a kind of structures, and used in oil storage tank
Period can carry out periodic cleaning to the inside of oil storage tank, to overcome problem of the prior art mentioned above.
To achieve the above object, the invention adopts the following technical scheme:
A kind of oil storage tank bottom surface cleaning equipment, comprising: first motor, speed reducer, blade wheel, swivel mount, linkage,
Two motors and cleaning plant, the first motor is connected to speed reducer, and drives the blade wheel to rotate by speed reducer, described
Second motor is connected to the speed reducer, and drives the swivel mount rotation by the speed reducer, and the cleaning plant passes through
Linkage is connected to the swivel mount, and the cleaning plant includes rack, running gear, conveyer belt and multiple scraper plates, described
Rack connects the linkage, and the running gear includes motor and speed reducer, and the conveyer belt covers on transmission shaft, described
Transmission is pivotally connected to the running gear, and the scraper plate is fixed on the conveyer belt.
Preferably, the cleaning plant further include dial mud device, described group of mud device include driving lever and be located at driving lever two sides
Spring, the driving lever is located at the front of conveyer belt, and the spring one end is fixed on the driving lever, and the other end is fixed on described
In rack, the driving lever is moved forward and backward relative to the transmission belt.
Preferably, the linkage is telescopic rod.
Further, the cleaning plant further includes revolving support, and the revolving support is arranged in the top of rack, and even
It is connected to the linkage.
Further, sealing ring is provided in the revolving support.
Preferably, the scraper plate is alternately fixed on the transmission belt.
It is further preferable that the running gear is cterpillar drive.
According to another aspect of the present invention, the present invention also provides a kind of oil storage tank, the oil storage tank includes that above-mentioned bottom surface is clear
It oil storage tank bottom surface cleaning equipment of the invention and is had the advantages that including its oil storage tank
1. oil storage tank, in addition to having normal oil storage function, oil storage tank itself can clean bottom surface, bed mud can be converged simultaneously
The bed mud that interior bottom portion is accumulated excludes, and oil sludge in oil storage tank outlet has greasy filth suction means that greasy filth is sucked out；
2. bottom surface cleaning equipment structure of the invention is simple, at low cost, can by largely making and applying in oil storage tank,
The bottom surface of oil storage tank can periodically be cleaned during oil storage tank use, scale removal process does not need manual intervention；
3. this included cleaning function can increase oil storage tank storage usually, while can be greatly lowered 5 years once
Scavenging period, because tank interior bed mud amount is few, improve cleaning efficiency in the cleaning in 5 years periods, be staff
It brings convenience；
4. the power mechanisms such as motor reducer required for cleaning equipment are etch-proof, and have sealing, so
Without worrying greasy filth intrusion, the problem of corrosion, in addition, power source uses synchronous generator, so the course of work relatively safety is not
High temperature and open fire can be generated；
5, the greasy filth of oil tank bottom center is discharged to outside blade wheel by oil tank center in bottom surface using " oil extraction mud blade wheel "
Other than circle, can solve oil storage tank center cleaning less than the problem of.
6, the cleaning equipment of bottom surface cleaning plant is connected by pivoting support with telescopic rod, and cleaning equipment can become when working
Change angle, easy cleaning；
7, the problem of bottom surface cleaning device uses crawler unit, can't walk any longer when without worrying that greasy filth is arranged at bottom.
Detailed description of the invention
The present invention is described below in greater detail referring now to attached drawing, in which:
Fig. 1 is the schematic perspective view of the oil storage tank bottom surface cleaning equipment of an embodiment according to the present invention；
Fig. 2 is the sectional view of oil storage tank bottom surface cleaning equipment；
Fig. 3 is the structural schematic diagram of the cleaning plant part of oil storage tank bottom surface cleaning equipment；
Fig. 4 is the cross-sectional view of the cleaning plant in Fig. 3；
Fig. 5 is the partial structure diagram of cleaning plant, shows the structure for dialling mud device；
Fig. 6 is the partial structure diagram of cleaning plant, shows the conveyer belt and blade structure of cleaning plant；
In figure: 1-first motor；2-speed reducers；21-outer rings；22-jackshafts；3-blade wheels；4-swivel mounts；
5-linkages；6-the second motor；7-cleaning plants；71-running gears；72-racks；73-transmission belts；731-pass
Moving axis；74-scraper plates；75-revolving supports；76-otic placodes；8-dial mud device；81-driving levers；82-springs.
Exemplary illustration specific embodiments of the present invention referring to the drawings.
An embodiment of -6 pairs of oil storage tank bottom surface cleaning equipments of the invention is described in detail referring to Fig.1.
As shown in figures 1 to 6, oil storage tank bottom surface cleaning equipment of the invention include: first motor 1, speed reducer 2, blade wheel 3,
Swivel mount 4, linkage 5, the second motor 6 and cleaning plant 7, first motor 1 is connected to speed reducer 2, and is driven by speed reducer
The blade wheel 3 is moved to rotate, meanwhile, the second motor 6 is connected to speed reducer 2, and swivel mount 4 is connected to speed reducer 2, the second motor 6
Swivel mount 4 can be driven to rotate by institute's speed reducer 2, cleaning plant 7 is connected to swivel mount 4 by linkage 5, follows rotation
Frame rotation.Referring to Fig. 2, speed reducer 2 can regard outer ring 21 as rack, and jackshaft 22 is rotated, to drive 3 turns of blade wheel
It is dynamic, jackshaft 22 can also be regard as rack, outer ring 21 is rotated, and swivel mount 4 is driven to rotate.Blade wheel 3 is by oil storage tank bottom
The greasy filth of face immediate vicinity is discharged to other than blade wheel outer circle, that is, the position that cleaning plant can be cleared up.
When work, start first motor 1, the rotation of 2 jackshaft 22 of speed reducer, outer ring 21 is fixed, so that the rotation of blade wheel 3 will
The greasy filth of oil tank bottom center is discharged to other than blade wheel outer circle, and the position that cleaning plant 7 can be cleared up, then first motor 1 is stopped
Only, the second motor 6 rotates, and the rotation of 2 outer ring 21 of speed reducer, jackshaft 22 is fixed, so that swivel mount 4 rotates, drives cleaning plant 7
Cleaning plant 7 includes running gear 71, rack 72, conveyer belt 73 and multiple scraper plates 74, and rack 72 is filled by connecting rod
It sets 5 and is connected to swivel mount, in the present embodiment, linkage 5 is telescopic rod, and telescopic rod has extended state and contraction-like
State is moved from entad, that is, telescopic rod contraction state is leaned on to inner wall of oil tank direction when cleaning plant works by oil tank
It is mobile, that is, telescopic rod extended state, it then returns by entad, cleaning plant clears up another position again, such as
This is moved repeatedly.
Running gear 71 includes motor and speed reducer, and the conveyer belt covers on transmission shaft 731, and the transmission shaft 731 connects
It is connected to the running gear 71, the scraper plate 74 is fixed on the conveyer belt 73.Running gear 71 is slowed down by motor and walking
Machine driving, moves cleaning plant 7 on oil storage tank bottom surface, and in the present embodiment, running gear is crawler type row
Walking apparatus, motor and driving speed reducer itself have the equal anticorrosion of sealing shell.Transmission belt 73 is driven by means of transmission shaft 731, is scraped
Plate 74 can be bolted on transmission belt 73, follow conveyer belt 73 to move, for striking off the greasy filth of oil storage tank bottom surface.
Referring to Fig. 5, cleaning plant 7 further includes dialling mud device 8, and described group of mud device includes driving lever 81 and be located at driving lever two sides
Spring 82, driving lever 81 is located at the front of conveyer belt 73, and described 82 one end of spring is fixed on the driving lever 81, and the other end is fixed
In the rack 72, the driving lever 81 is moved forward and backward relative to the transmission belt 73.Under the effect of spring 82, dial
Bar 81 is always in one end close to scraper plate 74, and when the greasy filth that scraper plate 74 scrapes bottom surface is sticked on scraper plate, scraper plate 74 encounters driving lever
When 81, scraper plate 74 pushes driving lever 81 to walk to far from the direction of scraper plate 74, when scraper plate 74 with conveyer belt 73 go to top from
When opening driving lever 81, the greasy filth on scraper plate 74 will fall down, and driving lever 81 resets under spring force, continue as to arrive
The scraper plate come dials mud.
Referring again to Fig. 6, the scraper plate 74 is alternately fixed on the transmission belt 73, and adjacent thereto one group of scraper plate is scraped
The interlaced installation of plate can make to remove more thorough.
As shown in figure 4, cleaning plant 7 can also include revolving support 75, the revolving support 75 is arranged in rack 72
Top.Otic placode 76 is connect with linkage 5, and the rack 72 of cleaning plant 7 can rotate under the effect of revolving support 75, will be close to
The bottom surface of oil storage tank inner-wall is cleared up one week.Further, be provided with sealing ring in revolving support 75, for prevent greasy filth into
According to another aspect of the present invention, the present invention also provides a kind of oil storage tank, the oil storage tank includes above-described
Bottom surface cleaning equipment.
It is equipped with oil extraction mud hole in the bottom of the oil storage tank, can connect suction equipment, for by the oil of oil storage pot bottom
Mud is sucked out.
The working principle of oil storage tank bottom surface cleaning equipment of the invention is:
When needing to clean oil storage tank bottom surface, first motor 1 starts, and the jackshaft 22 of speed reducer 2 rotates, and drives
Blade wheel 3 rotates, and the greasy filth near oil storage tank bottom center is discharged to other than blade wheel outer circle, that is, cleaning plant can be clear
The position of reason, first motor 1 stop working, and the outer ring 21 of the starting of the second motor 6, speed reducer 2 rotates, and swivel mount 4 is driven to start
Rotation, so that the rack 72 of cleaning plant 7 be driven to rotate, by the rotation of cleaning plant 7 to clear position, running gear 71 starts work
Make, linkage 5 is in extended state, and cleaning plant 7 is mobile from oil storage tank bottom center region to oil storage tank sidewall direction, together
When transmission belt 73 drive scraper plate 74 move, oil storage tank bottom surface is cleaned, by greasy filth from the oil extraction mud hole of oil storage pot bottom arrange
Out, then linkage 5 enters constriction device, and cleaning plant 7 is close to central area from oil storage tank inner-wall, then the second motor
6 are again started up, and cleaning plant are rotated to next clear position, and so on.
It should be understood that the embodiment above, merely for the purpose of example and explanation, those skilled in the art are without departing from this hair
In the case where bright range, many modifications and variations can be made.