CN1055257C - High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car - Google Patents
High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car Download PDFInfo
- Publication number
- CN1055257C CN1055257C CN98101390A CN98101390A CN1055257C CN 1055257 C CN1055257 C CN 1055257C CN 98101390 A CN98101390 A CN 98101390A CN 98101390 A CN98101390 A CN 98101390A CN 1055257 C CN1055257 C CN 1055257C
- Authority
- CN
- China
- Prior art keywords
- cleaning
- jar
- filter
- pressure
- oil
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a low pollution high efficiency method for washing the inner wall of a railroad tanker, which mainly comprises: the contraposition of a tanker to be washed, the pumping of remainder, the contraposition of a washer, the washing and the pumping of waste water, and the pumping of waste gas and waste gas purification treatment which are started from the pumping of remainder, wherein the pumping of remainder, the washing and the pumping of waste gas are automatically controlled. Washing equipment mainly comprises a high pressure pump, a washing head, a vacuum pump, an exhaust blower, an automatic pressure regulating device for the high pressure pump, a washer used for a tank, and a long pipe breathing device, wherein the back cavity of the spill valve of the high pressure pump is provided with a high pressure rubber pipe communicated with a controlling valve; the front end of the telescopic cylinder of the washer used for a tank is provided with the washing head. Compared with the existing steaming and washing technologies, the present invention has the advantages of high washing efficiency, less investment, low energy consumption and no environment pollution.
Description
The present invention relates to a kind of internal wall of railway tank car high-efficiency low-pollution cleaning method and equipment thereof.
Prior art is to adopt to steam the method for washing, and behind the extraction jar interior raffinate, feeds vapour cooking 6-8 hour, extracts sewage out, and hot-air seasoning is except that residue.Its weak point is: in boiling and drying course, have a large amount of poisonous chemical industry materials vaporizations to enter atmosphere, severe contamination atmospheric environment, infringement workman and near resident are healthy; Cleaning efficiency is low, steams the washing trough station of two platform positions of washing method and can only wash two tank cars every day, and investment is huge when needing increase platform position to build new website; The steam energy consumption is big.
The objective of the invention is to overcome outside the above-mentioned deficiency of the prior art provides a kind of cleaning efficiency height, small investment, energy consumption is low and reduces the internal wall of railway tank car high-efficiency low-pollution cleaning method and the equipment thereof of environmental pollution.
Purpose of the present invention can reach by following measure:
Method of the present invention comprises the following steps
(1). the tank car contraposition;
(2). start vavuum pump and take out the defective material system and go out jar an interior defective material with pumping, start air exhauster simultaneously and take out waste gas system to aspirate out jar interior waste gas and waste gas is carried out purified treatment, whole operations are carried out automatically;
(3). the cleaning machine contraposition;
(4). start high-pressure pump, cleaning machine, take out waste water system and take out waste gas system, go out a jar interior cleaning waste water, aspirate out jar interior waste gas and waste gas is carried out purified treatment with purge tank inwall, pumping, all operations are carried out automatically;
(5). residue in drum hot-air seasoning and the removing jar in jar;
(6). detect a jar inwall cleaning quality.
Take out waste gas system can be regularly to the processing of regenerating of the filtration members of filter.
Equipment of the present invention comprises three-dimensional vertical hoist, the high-pressure pump automatic pressure regulating device, cleaning machine, have vavuum pump, air exhauster, the defective material groove, dashpot, wastewater trough, give the defective material of taking out of filter and filter, the system of taking out waste water and taking out waste gas, the drum hot air apparatus, long tube breathing equipment and jar inwall quality detection apparatus, high-pressure pump overflow valve back cavity has high-pressure rubber pipe to be communicated with control valve, the transmission swivel nut and the micro machine of control valve, reduction box connects, Tank cleaning machine comprises swing mechanism, oscillating cylinder, telescoping cylinder and detent mechanism, the telescoping cylinder front end has cleaning head, swing mechanism comprises the pendulum tube, connecting rod and connecting rod, be hinged with the connecting rod and the pendulum tube of swing mechanism on the reference column of detent mechanism, the front end of connecting rod is hinged with oscillating cylinder and connecting rod, plunger rod and rod hinge connection are on the pendulum tube, pressure oil and oscillating cylinder, telescoping cylinder and rotary cylinder are communicated with, and water under high pressure is communicated with cleaning head.
Cleaning machine can also adopt jar cleaning machine that crouches, comprise telescoping mechanism, put in and drive fortune mechanism and slew gear, put in mechanism and comprise bow and pivoted arm, the pivoted arm lower end is articulated on the reversing frame, fixedly connected with the bow upper end in the pivoted arm upper end, high-pressure rubber pipe is arranged in the bow, and high-pressure rubber pipe is terminal to be communicated with cleaning head.
Detent mechanism is made of rotary cylinder, the reference column of taking back bull stick and oil inlet and outlet, and pivoted lever is along slick and sly commentaries on classics the in the rotary cylinder, and oil inlet and outlet is fixedly connected on the rotary cylinder.
Fig. 1 is a work system schematic overview of the present invention;
Fig. 2 is the schematic diagram of tank car to be cleaned, also expresses long end, short end and cleans point;
Fig. 3 always schemes for pipe-line system of the present invention;
Fig. 4 is its this structure chart of high-pressure pump automatic pressure regulating device of the present invention;
Fig. 5 is the cutaway view of high-pressure pump automatic pressure regulating device control valve;
Fig. 6 always schemes for the profile of high-pressure pump automatic pressure regulating device;
Fig. 7 always schemes with (swing mechanism formula) cleaning machine for jar of the present invention, and the expression cleaning head is raised the state of preparing cleaning of evaporator to certain altitude of lifting;
Fig. 8 hangs down for the cleaning part that cleans front or rear expression Tank cleaning machine, and preparation is cleaned or withdrawed from a jar preceding state from hand-hole;
Fig. 9 is the positional cylinder cross-sectional view of Tank cleaning machine detent mechanism;
Figure 10 is the sling facade layout drawing of Tank cleaning machine and tank car to be cleaned of three-dimensional vertical hoist;
Figure 11 is a Tank cleaning machine oil hydraulic system schematic diagram;
Figure 12 is total figure of the present invention's jar (arc rod-type) cleaning machine for sleeping in, the original position before expression is cleaned;
Figure 13 is that the bow that puts in mechanism stretches into jar state of interior farthest that crouches;
Figure 14 puts in the structure that driving mechanism adopts steel wire rope to drive;
Figure 15 is the utility model and the facade layout drawing that is cleaned the jar that crouches;
Figure 16 is the A-A profile of Figure 15, and the bow section of expression is a flute profile;
Figure 17 is the A-A profile of Figure 15, and the bow section of expression is circular;
Figure 18 passes the broken section enlarged drawing of slew gear for bow;
Figure 19 is total figure of long tube breathing equipment of the present invention;
Figure 20 is jar sampling point diagram that the inwall cleannes are checked.
The piece number representative of accompanying drawing:
1, clean to prepare 2, clean 3, take out waste water 4, take out waste gas 5, the tank car contraposition
6, take out defective material 7, cleaning machine contraposition 8, clean 9, take out waste water 10, take out waste gas
11, control 12 automatically, ending 13, tank car 14, three dimensional constitution crane
15, long end 16, short end 17, material-pumping tube 18, take out defective material pipe 19, magnetic valve
20, defective material groove 21, B/P EGR Back Pressure Transducer EGR 22, liquid level sensor 23, liquid level gauge 24, high-pressure pump
25, vavuum pump 26, dashpot 27, Pressure gauge 28, liquid level gauge 29, valve
30, valve 31, drain valve 32, fresh water 33, flowmeter 34, normal close valve door
35, water tank 36, pressure sensor 37, temperature sensor 38, take out waste pipe 39, wastewater trough
40, waste discharge water valve 41, manually-operated gate 42, appendage vacuum pump 43, give filter
44, standby filter 45, filter 46, reserve filter 47, manually-operated gate 48, the manually-operated gate of giving
49, air exhauster 50, normal closed gate 51, manually-operated gate 52, manually-operated gate 53, manually-operated gate
54, manually-operated gate 55, excessive valve 56, valve body 57, spool 58, the spring washed
59, high-pressure hose 60, control valve 61, throttle orifice 62, control valve casing 63, control spool
64, piston 65, transmission swivel nut 66, control spring 67, control valve seat 68, application valve body
69, support 70, micro machine 71, decelerator 72, cleaning head 73, reference column
74, detent mechanism 75, connecting rod 76, pendulum tube 77, oscillating cylinder 78, connecting rod
79, plunger rod 80, telescoping cylinder 81, jar mouthful plug 82, two spout device 83, rotary cylinder
84, oil inlet and outlet 85, pivoted lever 86, link 87, crane crossbeam 88, crane column
89, chassis car 90, manhole cover 91, fuel tank 92, oil strainer 93, oil pump
94, overflow valve 95, check valve 96, solenoid directional control valve 97, choke valve 98, bow
99, high-pressure rubber pipe 100, electromagnetic lock 101, pivoted arm 102, reversing frame 103, electric pushrod 104, driving wheel 105, steel wire rope 106, regulating wheel 107, pulley 108, adjuster 109, push rod 110, steel wire rope 111, directive wheel 112, directive wheel 113, directive wheel 114, gear wheel 115, rotating cylinder 116, rotary sleeve 117, upper roller 118, bottom roller 119, side wheel 120, base plate 121, motor 122, reduction box 123, gear 124, idler gear 125, manhole 126, chassis 127, air compressor machine 128, fore filter 129, air accumulator 130, centrifugal oil water separator 131, main line filter 132, little oil mist filter 133, oil removing deodorant activities filter 134, last gives filter 135, full facepiece mask respirator 136, fresh air
The invention will be further described below in conjunction with embodiment and accompanying drawing:
Method of the present invention comprises the following steps (see figure 1)
One, cleans preparation
(1). with tank car 13 contrapositions to be cleaned;
(2). determine tank car length end 15 to be cleaned and short end 16 (see figure 2)s, clean the cleaning procedure of short end or length end earlier and deposit computer in definite.
(3). determine the spraying situation and the material kind of adorning in the tank car to be cleaned, with definite defective material kind with the corresponding cleaning parameters of defective material kind (cleaning pressure, scavenging period and cleaning are counted) and deposit computer in.
2, start vavuum pump 25 and pumping defective material, see the right part of Fig. 3, piece number 42 is an appendage vacuum pump.Since take out defective material and thereafter take out waste water the time all need the interior waste gas of Suction cop, so will start air exhauster 49 simultaneously.Pumping defective material and pumping waste water system are made up of vavuum pump, dashpot, defective material groove, wastewater trough, on equipment and pipeline B/P EGR Back Pressure Transducer EGR are housed, and utilize the keying of magnetic valve to be used for protecting vacuum system not to be destroyed.
(1). the cover screw of tank car material-pumping tube 17 under the demolition;
(2). put into from the material-pumping tube mouth and to take out defective material pipe 18, the defective material pipe must reach hollow mouthful of tank car bottom;
(3). open with the magnetic valve 19 of the corresponding defective material groove of the material of adorning, take out defective material and begin.The quantity of defective material groove 20 determines as required, present embodiment adopts four, promptly diagram is respectively solvent naphtha defective material groove, fuel oil defective material groove, aromatic hydrocarbons defective material groove and standby defective material groove from left to right, takes out defective material pipe 18 therewith accordingly and also has four, only uses one when taking out defective material at every turn.Each defective material groove is provided with B/P EGR Back Pressure Transducer EGR 21, liquid level sensor 22 and liquid level gauge 23 (for manually watching usefulness).In order not make defective material enter vavuum pump 25 with corrosiveness, between defective material groove and vavuum pump, be provided with dashpot 26, Pressure gauge 27 and liquid level gauge 28 are arranged on the dashpot.Under the normal condition, dashpot does not have or seldom has defective material.When watching liquid level gauge to find to have excessive defective material to enter dashpot, in time open the valve surge tank under, close again behind the eliminating defective material and get final product as operating personnel.When taking out the defective material system when reaching specified vacuum and spending, the pumping defective material begins automatically.Take out full liquid level as this defective material groove to regulation, corresponding liquid level sensor works, send signal to robot control system(RCS), the robot control system(RCS) feedback is also closed corresponding solenoid valve 19 automatically, this defective material groove stops to draw into defective material, the staff of the automatic control chamber Advise By Wire relevant personnel open valve 29, nitrogen injection in this defective material groove, with unnecessary defective material through valve 30 force feeds to accumulator tank (on the figure expression).Then, restart and take out residual switch.If the B/P EGR Back Pressure Transducer EGR of this defective material groove drops near 0, this defective material of expression pumping finishes, and B/P EGR Back Pressure Transducer EGR sends signal to robot control system(RCS), and the robot control system(RCS) feedback is also closed the magnetic valve of defective material groove automatically, and piece number 31 is a manual drain valve.Taking out the defective material operation finishes.
Two, clean (cleaning tank car and pumping waste water) referring to Fig. 3
1, tank car cleaning machine contraposition starts three-dimensional vertical hoist 14, and the cleaning part of cleaning machine is put into jar by tank car manhole 125, and to good position.During actual the use, that takes out waste pipe 38 and be exactly usefulness takes out defective material pipe 18.
2, start high-pressure pump 24, what the present invention was used is the high-pressure pump that has automatic pressure regulating device.The figure of high-pressure pump automatic pressure regulating device, literary composition see following environment division for details.The automatic control process of high-pressure pump output pressure following (seeing shown in Fig. 3 lower-left): the standby normal close valve door of piece number 34 expressions, fresh water 32 is through flowmeter 33 and the water tank 35 that liquid level sensor 22 is arranged.After water tank was filled with, liquid level sensor 22 sent signal and gives robot control system(RCS), and the robot control system(RCS) feedback is also closed magnetic valve 19 automatically.Pressure sensor 36 be according to the parameter that has stored in the computer guarantee with tank car in the corresponding cleaning pressure of defective material kind, be just commentaries on classics or the counter-rotating and the rotation amount of the micro machine in the computer control high-pressure pump automatic pressure regulating device, realize auto-control (seeing following environment division for details) the high-pressure pump outlet pressure.Surpass setting as the high-pressure pump lubricating oil temperature, then temperature sensor 37 works, and sends signal and gives robot control system(RCS), and the robot control system(RCS) feedback is also closed high-pressure pump automatically.
3, clean tank car.Before cleaning tank car, to clean material-pumping tube 17 earlier and see Figure 13.Material-pumping tube is to take out material mouthfuls 17 from tank car to put at the bottom of the jar hollow mouthful, in order to extract the pipe (not expressing on the figure) of storage material out.Adopt special-purpose cleaning shower nozzle to move to finish cleaning to the material-pumping tube inwall from material-pumping tube pointwise top to bottm.The cleaning of material-pumping tube outer wall is can finish when cleaning tank car.
The cleaning of tank truck inner wall is referring to Fig. 2 and Fig. 3, present embodiment is that 2.8 meters of diameters and length are the tank car of 11 meters (5 meters at 6 meters at long end and short ends), by 1. 2. 3. 4. 4 cleanings, as presses automatic cleaning mode, only need to press " clean and start button " on the operating desk, can finish automatically; Certainly also can finish in proper order according to the crawl that point carries out.The structure of cleaning machine and function see figure, the literary composition of following environment division for details.
4, waste water (in the right side referring to Fig. 3, bottom) is cleaned in pumping, this with clean tank car and carry out simultaneously.To take out waste water (containing waste gas) pipe 38 earlier and put into hollow mouthful of tank car bottom, and at this moment, take out in the material mouthful and have only to take out a waste pipe.Take out waste pipe in two tank cars separately by wastewater trough 39, together enter dashpot 26 then.B/P EGR Back Pressure Transducer EGR 21 is respectively arranged on the inlet pipeline on each wastewater trough, and drainage pipeline and enter on the pipeline of wastewater disposal basin magnetic valve 19 is respectively arranged also has liquid level gauge 28 and liquid level sensor 22 on the wastewater trough, and the manual waste discharge water valve 40 that enters wastewater disposal basin is arranged at the wastewater trough bottom.
Before taking out waste water, close manually-operated gate 41 earlier, waste water suction wastewater trough.Surpass predetermined value as liquid level in the wastewater trough, then liquid level sensor works and controls magnetic valve automatically unnecessary waste water is entered wastewater disposal basin.This operation procedure also can be finished by hand, promptly watches the liquid level of liquid level gauge to surpass predetermined value, opens manual waste discharge water valve 40 waste discharges and goes into wastewater disposal basin.When not meeting predetermined value as negative pressure, B/P EGR Back Pressure Transducer EGR works and opens and closes magnetic valve automatically so that negative pressure is returned to predetermined value.
Three, waste gas purification (referring to Fig. 3 middle and lower part)
Take out defective material and take out waste gas when taking out waste water respectively, finish after taking out waste gas by giving fixing time after intact until take out waste water again, present embodiment is that cleaning of evaporator was taken out waste gas about 10 minutes after intact again.
Exhaust gas purification and treatment device comprises and gives filter 43, standby filter 44, filter 45 and the reserve filter 46 of giving.The filter that gives of present embodiment is a foamed plastics, and the filtration members of filter is an active carbon, all is prior art.
Close manually-operated gate 41,47 and 48, piece number 50 is a normal closed gate, opens manually-operated gate 51 and 52, enters behind the waste gas process vavuum pump from dashpot 26 and gives filter 43 and filter 45, and the waste gas that meets national standard after the processing enters atmosphere behind air exhauster 49.
Above-mentioned work step, except that tank car contraposition, cleaning machine contraposition, suction (containing defective material, waste water, waste gas) pipe were put into and taken out, other operations were finished by automatic control system.Automatically control comprise that high-pressure pump opens, stops control, takes out, discharge pipe line control, supply channel control, cleaning pressure adjustings, cleaning head positioning control, voice system (reporting system running status in good time), working environment supervision and influence key parameter detection and the communication system (referring to get in touch) that moves with each operating point phone.
Automatic control system is composed as follows:
One, central control room master console.
Comprising:
(1) central control system: computer, PLC-C200H Programmable Logic Controller;
(2) instruction input-output system: button, indicator lamp, auxiliary reclay etc.;
(3) feedback signal acquisition system: temperature, pressure;
(4) voice system: two voice suggestions of the voice suggestion of one of tank car, tank car;
(5) surveillance: one of tank car, tank car two, high pressure pump house, the on-site supervision of vacuum pump house;
(6) communication system: one of tank car, tank car two, the mutual communication of each working terminal such as high pressure pump house, vacuum pump house.
Two, scene and outside plant.
Comprising:
(1) one of tank car cleaning machine control system;
(2) two cleaning machine control systems of tank car;
(3) high-pressure pump control detection system;
(4) cistern water supply detects control system;
(5) one of tank car is taken out waste water system;
(6) two of tank car take out waste water system;
(7) take out the defective material system;
(8) take out waste gas system.
Four, ending
1, rouse hot-air seasoning, warm-air pipe inserts in the jar from manhole,, is generally 5-10 minute to determine the drum hot blast time according to outdoor temperature.
2, artificial (belt length pipe breathing equipment) advances a jar removing jar interior residue.
3, detect, artificial belt length pipe breathing equipment advances a jar interior sampling.
The environment division that the figure of continuous call suction tube device, literary composition are stated as follows.
The present invention can be to the processing of regenerating of the filtration members of filter 45,46.After the filtration members active carbon used expiration, the surface was adsorbed with excessive toxic gas molecule, needed regeneration to handle to improve its filtration (absorption) performance, as not regenerating, have to discard the active carbon that renews, and caused waste.
Renovation process following (seeing the waste gas purification treatment system of Fig. 3): open manually-operated gate 50,48,41,47,54, close manually-operated gate 51,52,53, fresh air enters through valve 50, earlier through entering vavuum pump 25 behind filter 45 and the valve 48,41, continue through giving filter 43 and valve 47, after passing through reserve filter 46 and valve 54 again, enter atmosphere from air exhauster, constantly filter is regenerated with fresh air through certain hour, just can improve the adsorption capacity of filter inner filtration spare (active carbon) greatly.
The existing equipment that the present invention adopts has cleaning head, vavuum pump, air exhauster in high-pressure pump, the cleaning machine, gives filter, filter, defective material groove, dashpot, wastewater trough, drum hot air apparatus and jar inwall quality detection apparatus, and innovative means of the present invention has high-pressure pump automatic pressure regulating device, cleaning machine and long tube breathing equipment.
The high-pressure pump automatic pressure regulating device is referring to Fig. 4-Fig. 6.
Fig. 4 represents the basic structure of high-pressure pump automatic pressure regulating device.The overflow valve 55 of figure left side expression high-pressure pump, the top of valve body 56 inner spools 57 is an ante-chamber, is communicated with the high-pressure pump outlet.Spool below be a back cavity, in spring 58 is arranged, back cavity passes through high-pressure hose 59 and is communicated with control valve 60.Front/back cavity connects by the throttle orifice 61 of spool.
Fig. 5 represents the structure of high-pressure pump automatic voltage measurement device control valve 60, be made up of control valve casing 62, control spool 63, piston 64, transmission swivel nut 65, control spring 66, control valve seat 67 and application valve body 68, application valve body outer end (diagram right-hand member) is threaded with the transmission swivel nut.Piston, control spring and control spool are arranged in the application valve body, and the control spool is opening and closing the control valve seat of controlling in the valve casing.
Fig. 6 represents to be equipped with on the support 69 total figure of the present utility model.Except adopting micro machine to drive the control valve, also can adopt stepper motor to drive control valve by shaft coupling by shaft coupling and decelerator.
During use, when micro machine 70 drove 65 rotations of transmission swivel nut by shaft coupling and decelerator 71, axial advance and retreat moved the transmission swivel nut because of rotation produces, and it is mobile to promote piston work advance and retreat, thereby changed the elastic force of control spring 66.
When the cavity pressure balance of high-pressure pump overflow valve front and back, the elastic force of spring 58 closes overflow valve.Push the control spool 63 of control valve 60 open and when causing control valve to produce overflow, back cavity pressure reduces when the back cavity pressure, high-pressure pump ante-chamber (promptly exporting) pressure is pushed the spool 57 of overflow valve open, produces the overflow of big flow, causes the outlet pressure of high-pressure pump to reduce rapidly.Therefore, regulate the elastic force of control spring 66, just can regulate the outlet pressure of high-pressure pump.So the rotating and the rotation amount of far distance controlled (be actually and adopt microcomputer control) micro machine 70 just can be realized the automatic Regulation to high-pressure pump.
Cleaning machine has jar (swing mechanism formula) cleaning machine and two kinds of jar (arc rod-type) cleaning machines for sleeping in.
Tank cleaning machine is referring to Fig. 7-Figure 10.
Fig. 7 represents that the cleaning part of Tank cleaning machine is loaded in the tank car 13 and cleaning head 72 has been picked up to the state of certain altitude.The detent mechanism 74 that has reference column 73 is loaded on the manhole of the jar that crouches, and is hinged with connecting rod 75 and pendulum tube 76 on the reference column, and connecting rod 75 is held in addition and is hinged with oscillating cylinder 77 and connecting rod 78, and it is anterior that plunger rod 79 front ends are articulated in the pendulum tube, and connecting rod 78 is held with pendulum tube middle part hinged in addition.In the pendulum tube telescoping cylinder 80 is arranged, the telescoping cylinder front end has cleaning head.The pendulum tube is outer to be fixedly connected with high-pressure rubber pipe (not expressing on the figure), and the high-pressure rubber pipe front end is communicated with cleaning head.Oscillating cylinder rear end and telescoping cylinder rear end all are communicated with pressure oil.
Before cleaning the jar that crouches, cleaning part is hang and sees Figure 10 and Fig. 8.Then, cleaning part is stretched in the jar from manhole, and make jar mouthful plug 81 plugs under the detent mechanism seal manhole.Then to the logical pressure oil of oscillating cylinder, plunger rod stretches out and drives a pendulum front end upwards to be swung and kicks up, and the hinged connecting rod 75 and 78 in oscillating cylinder rear end opens as shown in Figure 7.Treat that the pendulum tube raises up to desired height, according to cleaning needs, sends into pressure oil to telescoping cylinder, telescoping cylinder is stretched out, supply water under high pressure then in cleaning head, water under high pressure is through spraying to 82 ejections (seeing shown in Fig. 7 and the arrow thereof) of opposite two spout devices, and directive jar inwall is to finish cleaning.Meanwhile, two spout devices produce counterclockwise and rotate.Cleaning head itself also has the rotation along himself vertical center line, and like this, high-pressure spray just sprays in three dimensions, cleans any part in the jar is sprayed dash, and therefore, cleaning head is also referred to as three-dimensional device for cleaning tank automatically.
As mentioned above, just finished is the hydro-peening of a radiation direction at center with the reference column, for reference column is turned round in jar together with pendulum tube and cleaning head, there is slewing equipment to see Fig. 9 in the detent mechanism 74, mainly constitute by rotary cylinder 83, oil inlet and outlet 84 and reference column 73, reference column has pivoted lever 85, and pivoted lever is along slick and sly commentaries on classics the in the rotary cylinder, and oil inlet and outlet is fixedly connected on the rotary cylinder.When pressure oil and right side discharge pressure oil were advanced in left side shown in Figure 9, oil pressure was pushing away pivoted lever drive reference column and is doing the clockwise direction rotation.Otherwise when going out pressure oil on the left of the right side is advanced, then reference column is done counterclockwise to rotate.So just can satisfy washing and cleaning operation to whole tank body.
Figure 10 represents the facade arrangement of Tank cleaning machine and the tank car that is cleaned.The detent mechanism of aforesaid cleaning part is connected on the link 86 of three-dimensional vertical hoist 14, the crane crossbeam that can stretch 87 fixedly connected link.The crane crossbeam can slide up and down along crane column 88, and the crane column is fixed on the chassis car 89, and the chassis car can move along being parallel to the railroad track that tank car to be cleaned is housed.
Figure 11 represents that Tank cleaning machine of the present invention provides the oil hydraulic system schematic diagram of pressure oil for oscillating cylinder, telescoping cylinder and rotary cylinder.Fluid in the fuel tank 91 enters oil pump 93 through oil strainer 92, and the pressure oil that pumps is communicated to oscillating cylinder 77 respectively, the oil inlet and outlet of telescoping cylinder 80 and rotary cylinder 83 after dividing three the tunnel to pass through 3-position 4-way solenoid directional control valve 96 respectively behind the check valve 95.Piece number 97 is a choke valve, and piece number 94 is an overflow valve.The actuation cycle of this oil hydraulic system sees Table 2.
Table 2 Tank cleaning machine oil hydraulic system actuation cycle table
Remarks: the energising of+expression electromagnet, the outage of-expression electromagnet.
| Working cylinder | Action | The work of electromagnet state | The oil circuit working condition | Note | |||||
| 1DT | 2DT | 3DT | 4DT | 5DT | 6DT | ||||
| Oscillating cylinder | Advance | - | + | Oil-feed: the right chamber oil return of fuel tank → 1 → 2 → 4 → 5 → oil cylinder A: chamber, an oil cylinder A left side → 5 → 9 → fuel tank | The oil return line throttle grverning | ||||
| Stop | - | - | |||||||
| Retreat | + | - | Oil-feed: fuel tank → 1 → 2 → 4 → 5 → oil cylinder A left side chamber oil return: the right chamber of oil cylinder A → 5 → 9 → fuel tank | The oil return line throttle grverning | |||||
| Stop | - | - | |||||||
| Telescoping cylinder | Advance | - | + | Oil-feed: the right chamber oil return of fuel tank → 1 → 2 → 4 → 6 → oil cylinder B: chamber, an oil cylinder B left side → 6 → 10 → fuel tank | The oil return line throttle grverning | ||||
| Stop | - | - | |||||||
| Retreat | + | - | Oil-feed: fuel tank → 1 → 2 → 4 → 6 → oil cylinder B left side chamber oil return: the right chamber of oil cylinder B → 6 → 10 → fuel tank | The oil return line throttle grverning | |||||
| Stop | - | - | |||||||
| Rotary cylinder | Clockwise | + | - | Oil-feed: the right chamber oil return of fuel tank → 1 → 2 → 4 → 11 → oil cylinder C: chamber, an oil cylinder C left side → 11 → 13 → fuel tank | The oil return line throttle grverning | ||||
| Stop | - | - | |||||||
| Counterclockwise | - | + | Oil-feed: fuel tank → 1 → 2 → 4 → 11 → oil cylinder C left side chamber oil return: the right chamber of oil cylinder C → 11 → 13 → fuel tank | The oil return line throttle grverning | |||||
| Stop | - | - | |||||||
Crouch jar cleaning machine referring to Figure 12-Figure 18.
Figure 12 represent to crouch jar cleaning machine cleaning head 72, put in the structure of mechanism, electric pushrod driving mechanism and slew gear.Cleaning head 72 is a prior art, and after the high-pressure rubber pipe 99 of water under high pressure in bow 98 entered in the cleaning head, through spraying to 82 ejections (seeing shown in Figure 12 and the arrow thereof) of opposite two spout devices, directive crouched jar inwall to finish cleaning.Meanwhile, two spout devices 82 produce counterclockwise and rotate.Cleaning head itself also has the rotation along himself vertical center line, and high-pressure spray just sprays in three dimensions like this, cleans so that jar interior any position of crouching is sprayed to dash.Because canister length for sleeping in to be cleaned reaches 10-20 rice, and effective cleaning range of cleaning head 1-2 rice only, thereby require cleaning head to stretch into to crouch jar two ends, just can finish the cleaning of whole for sleeping in jar of inwall.
Put in mechanism and comprise bow 98 and pivoted arm 101, bow is for being one section circular arc bar of radius with pivoted arm length, the bow end is a straightway, and this straightway stretches into for seeing Figure 12 vertically downward that this straightway is that level is seen Figure 13 after crouch jar terminal (be pivoted arm rotate 90 spend) before putting in.High-pressure rubber pipe 99 is arranged in the bow, and high-pressure rubber pipe is communicated with cleaning head after the straightway of bow stretches out.Fixedly connected with the pivoted arm upper end in the bow upper end, pivoted arm lower end and reversing frame 102 are hinged.
Putting in driving mechanism has electric pushrod 103 drivings (seeing Figure 12,13,15) or steel wire rope driving to see Figure 14.Electric pushrod is a prior art, and motor drives the screw rotation through reduction box, and the leading screw in the screw does reciprocating linear motion, swing around hinging pin shaft to drive pivoted arm, move as circular arc thereby drive bow, the electric pushrod front end is articulated on the pivoted arm, and electric pushrod and reversing frame are hinged.
What Figure 14 represented is the steel wire rope driving mechanism.Driving wheel 104 has two, arranges side by side, by motor-driven.Be connected with steel wire rope 105 on the driving wheel outside being positioned at, steel wire rope 105 is walked around regulating wheel 106 and pulley 107, and the steel wire rope end is fixedly connected on interior (a diagram left side) side of pivoted arm 101.Adjuster 108 is a cylinder, in spring is arranged, push rod 109 left ends peak on the spring, right-hand member and regulating wheel are hinged.Elastic force by spring comes the protruding of mobile regulating wheel and inside withdrawal, to adjust the length of steel wire rope 105.Be positioned on the inboard driving wheel and be connected with steel wire rope 110, walk around directive wheel 111,112 and 113, the steel wire rope end is fixedly connected on outer (diagram is right) side of pivoted arm 101.When affecting the pivoted arm counter-clockwise swing, steel wire rope 105 is tractive initiatively, and steel wire rope 110 loosens.Otherwise when pivoted arm was swung clockwise, steel wire rope 110 is tractive initiatively, and steel wire rope 105 loosens.
Figure 12 and Figure 18 represent the structure of slew gear.Be connected with pivoted arm on the reversing frame 102 and put in driving mechanism, be fixedly connected with gear wheel 114, rotating cylinder 115 and rotary sleeve 116 under the reversing frame, bow 98 passes rotating cylinder and rotary sleeve, and is connected in the rotary sleeve by upper roller 117, bottom roller 118 and two side wheels 119.Motor 121 on the base plate 120 drives reduction box 122, gear 123 driving intermediate gears 124 of reduction gearbox output shaft, and the transmission gear wheel 114 again, to drive the reversing frame rotation.The chassis 126 that enters manhole 125 for guiding is arranged under the base plate.
Figure 15 represents the utility model and for sleeping in jar the facade arrangement that is cleaned.The slew gear that puts in mechanism, cleaning head and put in driving mechanism is housed, is fixedly connected on the link 86 of three-dimensional vertical hoist, the crane crossbeam that can stretch 87 fixedly connected link.The crane crossbeam can slide up and down along crane column 88, and the crane column is fixed on the chassis car 89, and the chassis car can move along being parallel to the railroad track that jar for sleeping in to be cleaned is housed.
During use, open for sleeping in jars 13 manhole cover 90 to be cleaned, crane travels to the position that adapts with jar for sleeping in to be cleaned, the crane crossbeam moves forward, and slippage downwards, make on the manhole 125 of 120 in for sleeping in jar of base plates, and cleaning head, rotary sleeve 116 and chassis 126 are entered in the manhole.Connect the motor of water under high pressure and startup electric pushrod or steel wire rope driving mechanism, just can clean the jar that crouches.In the cleaning process,, just can make the arbitrary position of cleaning head in the advance and retreat process all can stop cleaning as long as control puts in the startup of driving mechanism motor and stops.Cleaned jar end jar that crouches long after, 180 ° of reversing frame revolutions, lock in place is carried out by electromagnetic lock 100 in the back that puts in place, so that jar other end jar progress row that crouches is cleaned.After having cleaned, withdrawal original position after the crane crossbeam rises, cleaning is finished and is resetted.
Long tube air-breathing apparatus (referring to Figure 19) is many humans central gas supply and guard system that can free accent amount.
There is following defective in the prior art filtermask: belong to the negative pressure air feed, face shield and facial joint place easily produce leakage, have unsafe hidden danger; During the toxic and harmful excessive concentration, filtering tank is penetrated easily, causes poisoning in jar; In anoxic or do not have under the environment of oxygen, wearing a mask over one's face still makes the people suffocate; The filtering face eyes window visual field is little, does not have little oronasal mask, actual idle space big (i.e. the carbon dioxide of constantly breathing out repeatedly), and inspiratory resistance is big.
This device is the positive-pressure type protective device of active air feed, and fresh air 136 obtains pure and dry fresh air after air compressor is respiratory gas source and multistage filter filtering, breathes usefulness by long length hose output for the wearer.This device be furnished with the visual field broad, bright, combine good airtight full facepiece mask with face, simple to operate, safe and reliable, easy to maintenance, can be in the medium-term and long-term work of toxic and harmful.The personnel that wear enter in the atmosphere by the full facepiece mask breather valve from the gas that lung breathes out, and when air-breathing, after the adjusting breathing of control valve is comfortable, has enough fresh airs to supply with the staff at any time and breathe, and unnecessary gas enters in the atmosphere naturally.
This device is formed (referring to structural representation Figure 19) by air compressor 127, air accumulator 129, fore filter 128, centrifugal oil water separator 130, main line filter 131, little oil mist filter 132, oil removing deodorant activities carbon filter 133, afterbody filter 134,5 logical current dividers with long duct, full facepiece mask respirator 135.
The two sections filtrations in 130 fens of centrifugal oil water separator: first section by the netted core of washable stainless steel, utilizes center of gravity power to separate 10 μ or bigger solid particles; Second section is made by interchangeable glass fibre, filter 23 μ or bigger solid particles fully, and the gravity effect is taken moisture to filter bottom and is discharged, and the moisture load reaches 25000ppm, removes 99% moisture, 40% mist of oil.Main line filter 131, its inner support screw keep that filter core is stable not to be shaken.The glass fibre of multilayer is finished and is filtered 1 μ or bigger solid particles.The porous type outer cylinder makes the air after the filtration drain into filter outlet rapidly, and the load of upstream gas moisture is 2000ppm, removes 100% moisture, 70% mist of oil.Little oil mist filter 132, its inner elastomeric spongy layer has preposition filter capacity, and little glass fibre is through the density diameter and the surface treatment of particular design, can filter the solid particles of 0.01 μ, outside spongy layer absorbs and discharges mist of oil, and moisture load 100ppm can remove 99.999% mist of oil.Oil removing deodorant activities carbon filter 133, its accurate active carbon layer can filter 95% mist of oil and hydrocarbon, special patent fibrage filters finer carbon granules and remaining mist of oil, little glass fibre filters 0.01 μ solid particles, the outside sponge of porous type prevents that fibrous filter runs off, and residual 0.01ppm oil gas does not contain any stink.Afterbody filter 134 is made up of turn water knockout drum, filter cup, discharging valve, and compressed air is through after these six grades of filtrations, obtains pure and dry gas and removes the stink of working environment, has reached and has breathed used air.
5 logical current dividers and long duct (not expression on the figure).5 logical current dividers be with main line through the air after filtering, be divided into 4 branch roads, import respectively in 4 full facepiece masks by long duct, a Pressure gauge is housed on current divider so that pressure drop situation during the work of observation, 4 stop valves are controlled the break-make of each gas circuit.Long duct is middle pressure flexible rubber hose, is the pressure-resistant rubber conduit.Be equipped with snap joint at the sebific duct other end, link to each other with full facepiece mask.This snap joint is made up of two parts, and being contained in the long length hose end points is plug, and socket is contained on the short sebific duct that communicates with mask.When not connecting for two, the quick plug of long length hose end is locking, keeps airtight and does not leak, and when plug was coupled together, locking was opened immediately, and gas in time passes through.
Full facepiece mask (mask) 135.Full facepiece mask is a kind of simple eye window, the big visual field, double-deck annular lamina sealing face shield, the little oronasal mask that matches with mouth, nose in the face shield has reduced the actual idle space of full facepiece mask (respiratory tract dead space), has reduced inspiratory resistance, in oronasal mask, be provided with simultaneously outlet valve, breath is entered in the atmosphere, also be provided with sound conducting apparatus, so that speech mutually in use.In use, it is bright that the full facepiece mask eyeglass remains cleaning, do not go up mist, the frenulum of rubber compacting is housed on the face shield, is carved with on the frenulum and helps line, frenulum that five tapes are arranged, be installed on the full facepiece mask respectively, have quick dressing and the clip that unloads, the close ring of biplate shape of wearer's face and face shield is matched, kept that the wearer's is safe and reliable.In the full facepiece mask bottom breathing steam supply valve is installed, this breathing steam supply valve has the gas supply capacity of the above flow of 200L/min, and slow motion screw is housed, and for wearer's free adjustment charge flow rate, feels not cool, and tidal air is comfortable.It is made up of engineering plastics housing, rubber diaphragm, rocking bar valve copper adjuster, can be during work according to the size of labour's intensity, and free adjustment slow motion screw at any time is so as to guaranteeing normally carrying out of work.
The present invention tests situation:
Material variety that tank car is adorned: benzene,toluene,xylene, styrene, labor hydrocarbon, carbon eight, carbon nine, drippolene, gasoline, diesel oil, soap wax, alkylbenzene, ethylene glycol, diethylene glycol, acetone, phenol, hydrochloric acid.
Tank car kind: common jar, interior spray tank.
Experiment purpose: determine tank car is cleaned up needed water under high pressure pressure; Scavenging period; Determine the nozzle diameter.
Experimental result: the tank car of cleaning all reaches following requirement in the regulation through visual inspection: no-sundries in jar, there is not floating rust, and there is not obvious moist vestige, totally, inner surface is smooth, no etching condition.Simultaneously, to measuring in the jar, oxygen content is 21% in jar with the GX-85N explosimeter, and surveying quick-fried is zero, meets to enter operation in the jar and the regulation of getting angry.
For the cleannes that the back tank truck inner wall is cleaned in quantitative analysis, in experiment, take to analyze the method for chemical material remaining quantity on the jar inwall after the cleaning.Establish eight sampled points (seeing Figure 20) at the jar inwall, use cotton balls wiping tank skin through the moistening mistake of ethanol, 10 * 10 square centimeters of sampling areas, sample is made test solution after solvent extraction, analyze definite remaining quantity with SP-3410 gas-chromatography view.Contrast by analysis, high-pressure washing are washed quality than steaming and are improved 10%-40% approximately.
As follows through testing definite various chemical materials with different tank car cleaning parameterses:
| Classification | Cleaning is counted | Total time (MIN) | Pressure (MPa) |
| Ethylene glycol, diethylene glycol, acetone phenol, | 1 | 15 ( | 1.2 |
| Benzene, toluene, paraxylene, | 4 | 36 | 32 |
| | 4 | 36 | 20 |
| Aromatic hydrocarbons, alkylbenzene, | 4 | 48 | 32 |
| Carbon eight, carbon nine, | 4 | 60 | 34 |
| Gasoline, | 4 | 36 | 30 |
Annotate: nozzle diameter 1.8-2.6mm.
The present invention contrasts prior art and has following advantage:
1, carwash efficient is high, and quality is good
Wash chemical tank with steamed, washed 1 chassis general 6～8 hours. Clean chemical tank with the present invention, washed 1 chassis general 40 minutes～70 minutes, work efficiency on average improves 10 times, and 2 platform position year carwash abilities reach 3000. The range estimation of carwash quality obviously is better than steaming carwash.
2, energy consumption is low, car-cleaning cost is low
Clean tank car with the present invention, to the tank car of dress benzene, toluene, paraxylene, aromatic hydrocarbons, alkylbenzene, carbon eight, carbon nine, drippolene etc. 4 tons～7 tons of water consumptions only, power consumption 72 degree～125 degree, 111.8 yuan/platform of energy consumption cost～172.1 yuan/platform. Take 1000 yuan than steaming every energy savings of cleaning of evaporator car.
3, small investment
To wash 2000 on vehicle every year, need 1,500 ten thousand yuan of investments, also can't resolve problem of environmental pollution. Adopt the present invention, only need 4,300,000 yuan of abilities that just can reach 3000 of year carwash of investment. 1,070 ten thousand yuan of reduction of expenditure.
4, environmentally safe. Prior art causes the residual materials in the tank car to evaporate in the atmosphere and goes. When washing the benzene car, in the tank washing point, benzene content reaches 263mg/m in the atmosphere3, surpass country and allow benzene concentration (2.4mg/m in the atmosphere3) 109 times, still surpass 5 times of national standards apart from 400 meters of tank washing point. Adopt the present invention to clean the railway chemical tank, owing to adopt airtight cleaning, waste gas purification and sewage sent the technique such as Sewage Plant processing. Solved atmosphere polluting problem fully. When cleaning the benzene car, benzene content is 0.2mg/m in the tank washing point inner canister mouth place atmosphere3～0.83mg/m
3, the benzene air concentration is zero on the platform at 5～6 meters of tank mouth, all is lower than country and allows concentration 2.4mg/m in the atmosphere3Requirement, greatly improved tank washing point workman's condition of work and local resident's living condition.
Claims (5)
1, a kind of internal wall of railway tank car high-efficiency low-pollution cleaning method comprises (1), (3), (4) step,
(1). the tank car contraposition,
(3). the cleaning machine contraposition,
(4). start high-pressure pump, cleaning machine, take out waste water system and take out waste gas system, go out jar interior waste water that cleans with purge tank inwall, pumping,
It is characterized in that, also comprise (2), (5), (6) step,
(2). start vavuum pump and take out the defective material system and go out a jar interior defective material, start air exhauster simultaneously and take out waste gas system aspirating out jar interior waste gas and waste gas is carried out purified treatment with pumping,
(5). residue in drum hot-air seasoning and the removing jar in jar,
(6). detect a jar inwall cleaning quality.
2, internal wall of railway tank car high-efficiency low-pollution cleaning method according to claim 1 is characterized in that, taking out waste gas system can be to the processing of regenerating of the filtration members of filter.
3, a kind of internal wall of railway tank car high-efficiency low-pollution cleaning equipment, comprise high-pressure pump, cleaning head in the cleaning machine, three-dimensional vertical hoist, vavuum pump, air exhauster, give filter, filter, the defective material groove, dashpot, wastewater trough and jar inwall quality detection apparatus, it is characterized in that, also comprise the high-pressure pump automatic pressure regulating device, cleaning machine and long tube breathing equipment, high-pressure pump overflow valve back cavity has high-pressure rubber pipe to be communicated with control valve, the transmission swivel nut and the micro machine of control valve, reduction box connects, Tank cleaning machine comprises swing mechanism, oscillating cylinder, telescoping cylinder and detent mechanism, the telescoping cylinder front end has cleaning head, swing mechanism comprises the pendulum tube, connecting rod (5) and connecting rod (8), be hinged with the connecting rod (5) and the pendulum tube of swing mechanism on the reference column of detent mechanism, the front end of connecting rod (5) is hinged with oscillating cylinder and connecting rod, plunger rod and connecting rod (8) are articulated on the pendulum tube, pressure oil and oscillating cylinder, telescoping cylinder and rotary cylinder are communicated with, and water under high pressure is communicated with cleaning head.
4, the low high-efficiency cleaning equipment of polluting of internal wall of railway tank car according to claim 3, it is characterized in that, the detent mechanism of Tank cleaning machine is made of rotary cylinder, the reference column of taking back bull stick and oil inlet and outlet, and pivoted lever is along slick and sly commentaries on classics the in the rotary cylinder, and oil inlet and outlet is fixedly connected on the rotary cylinder.
5, the low high-efficiency cleaning equipment of polluting of internal wall of railway tank car according to claim 3, it is characterized in that the long tube breathing equipment is made of air compressor, fore filter, air accumulator, centrifugal oil water separator, main line filter, little oil mist filter, oil removing deodorant activities carbon filter, afterbody filter, 5 logical current dividers and long duct and full facepiece mask respirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101390A CN1055257C (en) | 1998-04-16 | 1998-04-16 | High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101390A CN1055257C (en) | 1998-04-16 | 1998-04-16 | High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1200962A CN1200962A (en) | 1998-12-09 |
| CN1055257C true CN1055257C (en) | 2000-08-09 |
Family
ID=5216668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98101390A Expired - Fee Related CN1055257C (en) | 1998-04-16 | 1998-04-16 | High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1055257C (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098128C (en) * | 2000-08-09 | 2003-01-08 | 李树 | High pressure jet washing equipment for tank truck |
| DE102006039507A1 (en) * | 2006-08-23 | 2008-03-13 | Dürr Ecoclean GmbH | Cleaning device and method for cleaning a workpiece |
| NL1036170C2 (en) * | 2008-11-07 | 2010-05-10 | Europ Innovation Group B V | METHOD FOR CLEANING TANKS. |
| CN101767431A (en) * | 2008-12-30 | 2010-07-07 | 上海金发科技发展有限公司 | Dredging device for screw cylinder cooling water pipe of plastic extruder |
| CN101492039B (en) * | 2009-01-15 | 2011-09-07 | 李晓东 | Environmental protection cleaning method and station of chemical industry operation storage and transportation device |
| CN102101117A (en) * | 2009-12-18 | 2011-06-22 | 乐清市金宇科技有限公司 | Steam jet flow type tank car cleaning method and device thereof |
| CN102513995B (en) * | 2011-12-09 | 2014-03-12 | 山东科技大学 | Cement storage tank cleaning manipulator |
| CN102553869B (en) * | 2012-01-10 | 2013-08-21 | 郭宝林 | Method and equipment for cleaning inner walls of railway tank cars |
| 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 |
| CN102825039A (en) * | 2012-09-25 | 2012-12-19 | 杰瑞能源服务有限公司 | Method for cleaning oil tank |
| CN105499229B (en) * | 2015-11-27 | 2017-08-25 | 洛阳双瑞特种装备有限公司 | A kind of high-pressure bottle inner surface oil removing water-eliminating method and detection method |
| CN107344183A (en) * | 2016-05-04 | 2017-11-14 | 中石化洛阳工程有限公司 | A kind of tank body cleaning method of tank car |
| CN106180100B (en) * | 2016-07-11 | 2018-09-18 | 江苏工力重机有限公司 | A kind of adjustable railroad car lateral wall top blow device for carloader |
| CN106975642B (en) * | 2017-05-25 | 2018-12-04 | 安庆市新城防腐清洗有限公司 | Sewage stripping device raw material water tank cleaning method |
| CN107225126A (en) * | 2017-08-02 | 2017-10-03 | 北京惠博普能源技术有限责任公司 | One kind cleans Multifunction washing convering system automatically for tank car |
| CN108801324B (en) * | 2018-04-04 | 2020-09-11 | 河南机电职业学院 | Urban rail transit energy consumption measuring device |
| CN109442869B (en) * | 2018-09-06 | 2020-07-17 | 上海航天精密机械研究所 | Drying method for spherical storage box |
| CN111377387B (en) * | 2020-06-01 | 2020-08-18 | 湖南省特种设备检验检测研究院 | Treatment system and method for dangerous chemical residues of tank truck |
| CN112024554A (en) * | 2020-09-08 | 2020-12-04 | 大庆学府石油科技有限公司 | Self-suction environment-friendly scale-removing and pollution-discharging device and method for jet flow rotary brush of container tank |
| CN114349086A (en) * | 2021-12-14 | 2022-04-15 | 张家港中远海运金港化工物流有限公司 | Be used for abluent effluent disposal system of tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU486805A1 (en) * | 1973-12-27 | 1975-10-05 | Научно-Производственное Объединение "Лакокраспокрытие" | Tank paint dispenser |
| US4158365A (en) * | 1978-04-05 | 1979-06-19 | Grady Watts | Tank cleaning apparatus |
| US4547825A (en) * | 1983-03-05 | 1985-10-15 | Danfoss A/S | Arrangement for a starting and protecting apparatus structural unit for an electric motor-compressor unit |
| US5107879A (en) * | 1990-08-30 | 1992-04-28 | Butterworth Jetting System, Inc. | Rail tank car cleaning system |
-
1998
- 1998-04-16 CN CN98101390A patent/CN1055257C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU486805A1 (en) * | 1973-12-27 | 1975-10-05 | Научно-Производственное Объединение "Лакокраспокрытие" | Tank paint dispenser |
| US4158365A (en) * | 1978-04-05 | 1979-06-19 | Grady Watts | Tank cleaning apparatus |
| US4547825A (en) * | 1983-03-05 | 1985-10-15 | Danfoss A/S | Arrangement for a starting and protecting apparatus structural unit for an electric motor-compressor unit |
| US5107879A (en) * | 1990-08-30 | 1992-04-28 | Butterworth Jetting System, Inc. | Rail tank car cleaning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1200962A (en) | 1998-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1055257C (en) | High-efficiency low-pollution cleaning method and apparatus for internal wall of railway tank car | |
| CN103657941B (en) | A kind of automatic fuel spray device and automatic oil spout method thereof | |
| CN213102837U (en) | Aluminum profile surface pretreatment paint spraying device | |
| CN111821797A (en) | Chemical processing waste gas purification tower | |
| CN113877398A (en) | Electroplating production line waste gas automatic collection processing system | |
| CN110743300A (en) | Dust treatment device for wood working | |
| CN104474815B (en) | Wet scrubber | |
| CN207307502U (en) | A kind of textile dust extraction device | |
| CN109045887A (en) | A kind of exhaust-gas treatment spray equipment with sedimentation chamber | |
| CN205517067U (en) | A dirty dust pelletizing system is fallen for digit control machine tool rust cleaning coating film | |
| CN216457606U (en) | A gas cleaning processing apparatus for chemical industry plastics production | |
| CN215610252U (en) | Industrial waste gas treatment device | |
| CN212856367U (en) | Convenient type flush coater with purification performance | |
| CN210674679U (en) | Spraying exhaust treatment device for efficiently treating exhaust gas | |
| CN205164420U (en) | Aerosol remove device | |
| CN209005533U (en) | A kind of emission-control equipment for plasticity machines | |
| CN221267626U (en) | Waste gas treatment device between coating paint | |
| CN209630932U (en) | A kind of multistage purification absorption tower used for formaldehyde production | |
| CN221062246U (en) | Device for preventing hydrogen sulfide gas poisoning of integrated prefabricated pump station | |
| CN216149328U (en) | Waste gas spraying treatment device with filtering function for waste incineration | |
| CN211659648U (en) | Smoke dust treatment device | |
| CN217651914U (en) | Full-automatic constant-pressure water supply equipment | |
| CN219502811U (en) | Test operation table with waste gas treatment function | |
| CN216025531U (en) | Miniaturized smoke and dust processing apparatus | |
| CN211302652U (en) | Organic waste gas molecule decomposition processing device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20000809 Termination date: 20160416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |