CN112279208A - Skid-mounted refueling device capable of improving utilization rate of steel plate and manufacturing process - Google Patents
Skid-mounted refueling device capable of improving utilization rate of steel plate and manufacturing process Download PDFInfo
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- CN112279208A CN112279208A CN202010914210.7A CN202010914210A CN112279208A CN 112279208 A CN112279208 A CN 112279208A CN 202010914210 A CN202010914210 A CN 202010914210A CN 112279208 A CN112279208 A CN 112279208A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/022—Laminated structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a skid-mounted oiling device for improving the utilization rate of a steel plate and a manufacturing process. The skid-mounted refueling device comprises an SS double-layer oil tank arranged on a frame base, a manhole seat arranged on the SS double-layer oil tank and a manhole cover arranged on the manhole seat, wherein a plurality of functional pipeline assemblies which are led into the oil tank and led out of the oil tank are integrally arranged on the manhole cover, and the functional pipeline assemblies at least comprise an oil metering pipeline assembly and an oil unloading pipeline assembly; the oil tank barrel of the SS double-layer oil tank is formed by rolling and splicing a plurality of sections of steel plates of the barrel, and the SS double-layer oil tank reduces the number of open holes in the oil tank barrel and improves the steel plate utilization rate for splicing the oil tank barrel by integrally installing functional pipeline components on the manhole cover. The invention overcomes the defect of low utilization rate of the steel plate when the skid-mounted refueling device with small volume and tank body diameter is manufactured in the prior art, further reduces the manufacturing cost on the basis of ensuring the strength and the quality of the oil tank, and improves the product competitiveness.
Description
Technical Field
The invention relates to the technical field of skid-mounted refueling devices, in particular to a skid-mounted refueling device capable of improving the utilization rate of a steel plate and a manufacturing process thereof.
Background
Skid-mounted oiling devices are composed of movable frame bases, oiling machines and other parts on the frame bases, are integrated ground movable oiling stations, and are widely applicable to bus stations, ports, docks, airports, large construction sites, internal oiling stations of enterprises and the like. The oil tank used in the typical explosion-proof blocking skid-mounted refueling device is a double-layer steel oil tank, namely an SS double-layer oil tank.
When a skid-mounted refueling device in the prior art is designed, pipeline connecting pipes required by various functions are respectively welded to a central axis of an oil tank cylinder and are distributed at intervals (as shown in fig. 3).
However, the above-described pipe line mounting structure of the skid-mounted refueling device, when used in a skid-mounted machine having a small volume and a small tank diameter, causes the following problems: because each functional pipeline component needs to be opened on the oil tank cylinder when being installed on the oil tank cylinder, the oil tank cylinder is usually formed by splicing a plurality of sections of sub-cylinders after being rolled by steel plates, and the longitudinal welding seams of each sub-cylinder need to be staggered according to design specifications so as to avoid the serious attenuation of the local area welding seam strength, and the number of the functional pipeline components is large, so that the number of the opened openings on the oil tank cylinder is also large, the opening parts can easily avoid the longitudinal welding seams and the circumferential welding seams on the inner oil tank and the outer oil tank, for example, the opening parts can avoid the welding seams on the inner oil tank cylinder but can not avoid the welding seams on the outer oil tank cylinder, or the welding seams on the outer oil tank cylinder can not avoid the welding seams on the inner oil tank cylinder.
In order to avoid the problems in the prior art, the split cylinder body can only be widened or specially designed, so that the utilization rate of steel plates for manufacturing the oil tank cylinder body is greatly reduced, the production and manufacturing cost is obviously increased, and the product competitiveness is obviously reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a skid-mounted refueling device for improving the utilization rate of a steel plate and a manufacturing process thereof, aims to overcome the defect that the skid-mounted refueling device with smaller volume and tank body diameter in the prior art is lower in the utilization rate of the steel plate during manufacturing, further reduces the manufacturing cost on the basis of ensuring the strength and the quality of an oil tank, and improves the product competitiveness. The specific technical scheme is as follows:
a skid-mounted refueling device for improving the utilization rate of a steel plate comprises an SS double-layer oil tank arranged on a frame base of the skid-mounted refueling device, a manhole seat arranged on the SS double-layer oil tank and a manhole cover arranged on the manhole seat, wherein a plurality of functional pipeline assemblies led into the oil tank and led out of the oil tank are integrally mounted on the manhole cover, and the functional pipeline assemblies at least comprise an oil measuring pipeline assembly and an oil unloading pipeline assembly; the oil tank barrel of the SS double-layer oil tank is formed by rolling and splicing a plurality of sections of steel plates of the barrel, and the SS double-layer oil tank reduces the number of open holes in the oil tank barrel by integrally installing functional pipeline components on the manhole cover and improves the utilization rate of the steel plates for splicing the oil tank barrel.
Preferably, the functional tubing assembly further comprises a respiratory valve tubing assembly.
Preferably, the functional pipeline assembly further comprises a level gauge pipeline assembly.
Preferably, the functional pipeline assembly further comprises an oil gas recovery pipeline assembly.
In the invention, the functional pipeline assembly also comprises a cleaning input pipeline module in the cleaning pipeline assembly.
Preferably, the functional pipeline assembly of the skid-mounted refueling device for improving the utilization rate of the steel plate further comprises a cleaning input pipeline module in the cleaning pipeline assembly.
A manufacturing process of a skid-mounted refueling device for improving the utilization rate of a steel plate comprises the steps of manufacturing the oil tank, wherein each functional pipeline assembly is integrally installed on a manhole cover arranged on a manhole seat when the oil tank of the skid-mounted refueling device is manufactured, an oil tank cylinder body of an SS double-layer oil tank of the skid-mounted refueling device is formed by rolling and splicing a plurality of sections of steel plates of cylinder bodies, and the SS double-layer oil tank reduces the number of open holes in the oil tank cylinder body by integrally installing the functional pipeline assemblies on the manhole cover and improves the utilization rate of the steel plate for splicing the oil tank cylinder body; the oil tank manufacturing method comprises the steps of manufacturing an inner layer oil tank cylinder body and an outer layer oil tank cylinder body, wherein the oil tank cylinder body comprises the following steps:
(1) acquiring steel plate information: according to the oil tank design drawing, the thickness and the material of a steel plate for manufacturing an oil tank cylinder are obtained, price inquiry is carried out on a supplier of the steel plate, and supply information of the steel plate is obtained; the supply information comprises the breadth dimension specification and the price of the whole conventionally used steel plate;
(2) designing the position of a circumferential weld of the oil tank cylinder: according to an oil tank design drawing and the breadth size of the whole steel plate, on the principle that a seam avoids a hole opening position, an oil tank cylinder is decomposed into a main cylinder body and N sections of sub cylinder bodies, and the main cylinder body and the N sections of sub cylinder bodies are respectively unfolded to form a main cylinder body blanking size drawing and a sub cylinder body blanking size drawing; the main branch cylinder body is a branch cylinder body used for installing a manhole seat, and the decomposition of the secondary branch cylinder body follows the conventional design size specification and considers the minimum number decomposition principle so as to reduce the number of girth welds to the maximum extent;
(3) designing a steel plate cutting layout: according to the breadth dimension specification of the whole steel plate, the blanking dimension diagram of the main split cylinder body and the blanking dimension diagram of the secondary split cylinder body, all the main split cylinder body steel plates and the secondary split cylinder body steel plates which need to be cut are arranged on a plurality of steel plates to form a steel plate cutting and arranging diagram;
(4) calculating the utilization rate of the steel plate: calculating the utilization rate of the steel plate according to the steel plate cutting layout pattern;
(5) the cylinder body of the oil tank is optimized in sections: if the steel plate utilization rate does not reach the set value in the calculation of the steel plate utilization rate in the step (4), properly increasing the number N of the secondary sub-cylinders, and then repeating the steps (2) to (4) until the steel plate utilization rate reaches the set value;
(6) steel plate purchase and cutting blanking: purchasing a steel plate, designing the position of the circumferential weld of the oil tank when the utilization rate of the steel plate reaches a set value as a formal position design of the circumferential weld of the oil tank, designing a cutting layout of the steel plate when the utilization rate of the steel plate reaches the set value as a formal cutting layout of the steel plate, inputting the cutting layout of the steel plate into cutting software of a numerical control plasma cutting machine, and cutting the steel plate into a main cylinder steel plate and a secondary cylinder steel plate;
(7) the overall manufacturing of the oil tank cylinder body comprises the following steps: after blanking, carrying out overall manufacturing of the oil tank cylinder, wherein the overall manufacturing comprises rolling of each section of cylinder, assembling and welding of the inner layer oil tank cylinder and the outer layer oil tank cylinder, opening of the oil tank cylinder and installation and welding of a manhole seat; and during the assembly welding of the inner oil tank cylinder and the outer oil tank cylinder, adjacent longitudinal welding lines on the oil tank cylinders are arranged in a staggered manner.
Preferably, in the step (5) of optimizing the cylinder sections of the oil tank, a maximum number threshold of the secondary sub-cylinders is set, when the number N of the secondary sub-cylinders reaches the maximum number threshold of the secondary sub-cylinders and still does not reach the set steel plate utilization rate, the format size of all or part of the steel plates is changed, and then the circulation from the step (2) to the step (4) is restarted until the steel plate utilization rate reaches the set value.
Preferably, after the format size specification of all or part of the steel plates is replaced and the utilization rate of the steel plates reaches a set value, the purchase cost of the steel plates is also calculated, the set value of the utilization rate of the steel plates is readjusted when the purchase cost is found to rise, and the circulation from the step (2) to the step (4) is restarted according to the adjusted new set value of the utilization rate of the steel plates until the utilization rate of the steel plates reaches the new set value of the utilization rate of the steel plates.
Preferably, in the step (5) of optimizing the cylinder sections of the oil tank, a maximum number threshold of the secondary sub-cylinders is set, when the number N of the secondary sub-cylinders reaches the maximum number threshold of the secondary sub-cylinders and still does not reach the set steel plate utilization rate, the positions of the manhole seats are changed and designed, and then the circulation from the step (2) to the step (4) is restarted until the steel plate utilization rate reaches the set value.
According to the invention, for SS double-layer oil tanks produced in batch, the blanking size diagram of the main sub-cylinder body, the blanking size diagram of the secondary sub-cylinder body and the production quantity of the SS double-layer oil tanks produced in the same batch are summarized and then are subjected to steel plate cutting layout drawing design.
As a further improvement, under the condition that the number of functional pipeline components is large, two manhole seats are arranged on the oil tank cylinder, in the design of the circumferential weld position of the oil tank cylinder in the step (2), the oil tank cylinder is decomposed into two main branch cylinders and N sub-branch cylinders, the two manhole seats are respectively and correspondingly arranged on the two main branch cylinders, and each functional pipeline component is respectively arranged on the manhole covers of the two manhole seats.
The invention has the beneficial effects that:
first, according to the skid-mounted refueling device and the manufacturing process for improving the utilization rate of the steel plate, the functional pipeline assemblies are integrally mounted on the manhole cover of the manhole seat, so that the number of open holes in the oil tank cylinder can be reduced, the oil tank cylinder can be divided more conveniently and reasonably, and the utilization rate of the steel plate for splicing the oil tank cylinder is obviously improved, so that the defect that the steel plate utilization rate is lower when the skid-mounted refueling device with smaller volume and tank body diameter in the prior art is manufactured is overcome, the manufacturing cost is further reduced on the basis of ensuring the strength and quality of the oil tank, and the product competitiveness is improved.
Secondly, the skid-mounted refueling device for improving the utilization rate of the steel plate and the manufacturing process further improve the utilization rate of the steel plate through a specially designed oil tank barrel section optimization method. For a skid-mounted refueling device with small capacity, compared with the prior art, the utilization rate of a steel plate can be improved by 15-20%.
Drawings
FIG. 1 is a schematic diagram of an integrated installation of a functional pipeline assembly on a skid-mounted refueling unit for improving utilization rate of steel plates according to the invention;
FIG. 2 is a schematic diagram of a manufacturing process of an oil tank cylinder of the skid-mounted oil filling device for improving the utilization rate of steel plates according to the invention;
fig. 3 is a schematic view of the installation of a functional piping assembly on a tank of a prior art skid-mounted refueling unit.
In the figure: 1. the device comprises an oil tank, 2, a manhole seat, 3, an oil measuring pipeline assembly, 4, an oil unloading pipeline assembly, 5, a breather valve pipeline assembly, 6, a liquid level instrument pipeline assembly, 7, a manhole cover, 8 and a frame base.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 3 show an embodiment of a skid-mounted refueling unit for improving steel plate utilization rate according to the present invention, which includes a SS double-layer oil tank 1 disposed on a frame base 8 of the skid-mounted refueling unit, a manhole seat 2 disposed on the SS double-layer oil tank 1, and a manhole cover 7 disposed on the manhole seat 2, wherein a plurality of functional pipeline assemblies introduced into the oil tank 1 and led out of the oil tank 1 are integrally mounted on the manhole cover 7, and the functional pipeline assemblies at least include an oil metering pipeline assembly 3 and an oil unloading pipeline assembly 4; the oil tank barrel of the SS double-layer oil tank 1 is formed by rolling and splicing a plurality of sections of steel plates, and the SS double-layer oil tank 1 is integrally installed on the manhole cover 7 through the functional pipeline assembly to reduce the number of open holes in the oil tank barrel and improve the utilization rate of the steel plates for splicing the oil tank barrel.
Preferably, the functional tubing assembly further comprises a respiratory valve tubing assembly 5.
Preferably, the functional tubing assembly further comprises a level gauge tubing assembly 6.
Preferably, the functional pipeline assembly further comprises an oil gas recovery pipeline assembly.
Preferably, the functional pipeline assembly further comprises an oil gas recovery pipeline assembly.
Preferably, in the skid-mounted refueling device for improving the utilization rate of the steel plate, the functional pipeline assembly further includes a cleaning input pipeline module in the cleaning pipeline assembly.
Example 2:
the manufacturing process of the skid-mounted refueling device for improving the utilization rate of the steel plate in the embodiment 1 comprises the steps of manufacturing the oil tank 1, integrally mounting each functional pipeline component on a manhole cover 7 arranged on a manhole seat 2 when the oil tank 1 of the skid-mounted refueling device is manufactured, wherein an oil tank cylinder body of the SS double-layer oil tank 1 of the skid-mounted refueling device is formed by rolling and splicing a plurality of sections of steel plates of cylinder bodies, and the SS double-layer oil tank 1 reduces the number of open holes in the oil tank cylinder body and improves the utilization rate of the steel plates for splicing the oil tank cylinder body by integrally mounting the functional pipeline components on the manhole cover 7; the manufacturing of the oil tank 1 comprises the manufacturing of an inner layer oil tank cylinder and the manufacturing of an outer layer oil tank cylinder, and the manufacturing of the oil tank cylinder comprises the following steps:
(1) acquiring steel plate information: according to the oil tank design drawing, the thickness and the material of a steel plate for manufacturing an oil tank cylinder are obtained, price inquiry is carried out on a supplier of the steel plate, and supply information of the steel plate is obtained; the supply information comprises the breadth dimension specification and the price of the whole conventionally used steel plate;
(2) designing the position of a circumferential weld of the oil tank cylinder: according to an oil tank design drawing and the breadth size of the whole steel plate, on the principle that a seam avoids a hole opening position, an oil tank cylinder is decomposed into a main cylinder body and N sections of sub cylinder bodies, and the main cylinder body and the N sections of sub cylinder bodies are respectively unfolded to form a main cylinder body blanking size drawing and a sub cylinder body blanking size drawing; the main branch cylinder body is a branch cylinder body used for installing a manhole seat, and the decomposition of the secondary branch cylinder body follows the conventional design size specification and considers the minimum number decomposition principle so as to reduce the number of girth welds to the maximum extent;
(3) designing a steel plate cutting layout: according to the breadth dimension specification of the whole steel plate, the blanking dimension diagram of the main split cylinder body and the blanking dimension diagram of the secondary split cylinder body, all the main split cylinder body steel plates and the secondary split cylinder body steel plates which need to be cut are arranged on a plurality of steel plates to form a steel plate cutting and arranging diagram;
(4) calculating the utilization rate of the steel plate: calculating the utilization rate of the steel plate according to the steel plate cutting layout pattern;
(5) the cylinder body of the oil tank is optimized in sections: if the steel plate utilization rate does not reach the set value in the calculation of the steel plate utilization rate in the step (4), properly increasing the number N of the secondary sub-cylinders, and then repeating the steps (2) to (4) until the steel plate utilization rate reaches the set value;
(6) steel plate purchase and cutting blanking: purchasing a steel plate, designing the position of the circumferential weld of the oil tank when the utilization rate of the steel plate reaches a set value as a formal position design of the circumferential weld of the oil tank, designing a cutting layout of the steel plate when the utilization rate of the steel plate reaches the set value as a formal cutting layout of the steel plate, inputting the cutting layout of the steel plate into cutting software of a numerical control plasma cutting machine, and cutting the steel plate into a main cylinder steel plate and a secondary cylinder steel plate;
(7) the overall manufacturing of the oil tank cylinder body comprises the following steps: after blanking, carrying out overall manufacturing of the oil tank cylinder, wherein the overall manufacturing comprises rolling of each section of cylinder, assembling and welding of the inner layer oil tank cylinder and the outer layer oil tank cylinder, opening of the oil tank cylinder and installation and welding of a manhole seat; and during the assembly welding of the inner oil tank cylinder and the outer oil tank cylinder, adjacent longitudinal welding lines on the oil tank cylinders are arranged in a staggered manner.
Preferably, in the step (5) of optimizing the cylinder sections of the oil tank, a maximum number threshold of the secondary sub-cylinders is set, when the number N of the secondary sub-cylinders reaches the maximum number threshold of the secondary sub-cylinders and still does not reach the set steel plate utilization rate, the format size of all or part of the steel plates is changed, and then the circulation from the step (2) to the step (4) is restarted until the steel plate utilization rate reaches the set value.
Preferably, after the format size specification of all or part of the steel plates is replaced and the utilization rate of the steel plates reaches a set value, the purchase cost of the steel plates is also calculated, the set value of the utilization rate of the steel plates is readjusted when the purchase cost is found to rise, and the circulation from the step (2) to the step (4) is restarted according to the adjusted new set value of the utilization rate of the steel plates until the utilization rate of the steel plates reaches the new set value of the utilization rate of the steel plates.
Preferably, in the step (5) of optimizing the cylinder sections of the oil tank, a maximum number threshold of the secondary sub-cylinders is set, when the number N of the secondary sub-cylinders reaches the maximum number threshold of the secondary sub-cylinders and still does not reach the set steel plate utilization rate, the positions of the manhole seats are changed and designed, and then the circulation from the step (2) to the step (4) is restarted until the steel plate utilization rate reaches the set value.
In this embodiment, for the SS double-layer oil tanks produced in batch, the blanking size diagram of the main split cylinder, the blanking size diagram of the secondary split cylinder, and the production quantity of the SS double-layer oil tanks produced in the same batch are summarized and then are subjected to steel plate cutting layout drawing design.
As a further improvement, under the condition that the number of functional pipeline components is large, two manhole seats are arranged on the oil tank cylinder, in the design of the circumferential weld position of the oil tank cylinder in the step (2), the oil tank cylinder is decomposed into two main branch cylinders and N sub-branch cylinders, the two manhole seats are respectively and correspondingly arranged on the two main branch cylinders, and each functional pipeline component is respectively arranged on the manhole covers of the two manhole seats.
Example 3:
the oil tank cylinder on the skid-mounted oiling device with a certain specification is manufactured by adopting the structure of the embodiment 1 and the manufacturing process of the embodiment 2, and the utilization rate of the obtained steel plate is 91%. If the conventional skid-mounted oiling device oil tank cylinder structure is adopted and the conventional manufacturing process is adopted, the utilization rate of the obtained steel plate is 76 percent
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A skid-mounted refueling device for improving the utilization rate of a steel plate is characterized by comprising an SS double-layer oil tank arranged on a frame base of the skid-mounted refueling device, a manhole seat arranged on the SS double-layer oil tank and a manhole cover arranged on the manhole seat, wherein a plurality of functional pipeline assemblies led into the oil tank and led out of the oil tank are integrally installed on the manhole cover, and the functional pipeline assemblies at least comprise an oil measuring pipeline assembly and an oil unloading pipeline assembly; the oil tank barrel of the SS double-layer oil tank is formed by rolling and splicing a plurality of sections of steel plates of the barrel, and the SS double-layer oil tank reduces the number of open holes in the oil tank barrel by integrally installing functional pipeline components on the manhole cover and improves the utilization rate of the steel plates for splicing the oil tank barrel.
2. The skid-mounted refueling unit for improving the utilization of steel plates according to claim 1, wherein the functional pipeline assembly further comprises a breather valve pipeline assembly.
3. The skid-mounted refueling unit for improving the utilization rate of the steel plate as recited in claim 1, wherein the functional pipeline assembly further comprises a level gauge pipeline assembly.
4. The skid-mounted refueling unit for improving the utilization of steel plates according to claim 1, wherein the functional pipe assembly further comprises a cleaning input pipe module in the cleaning pipe assembly.
5. The manufacturing process of the skid-mounted refueling device for improving the utilization rate of the steel plate as claimed in any one of claims 1 to 4, which comprises the step of manufacturing the oil tank, wherein each functional pipeline assembly is integrally installed on a manhole cover arranged on a manhole seat when the oil tank of the skid-mounted refueling device is manufactured, the oil tank cylinder body of the SS double-layer oil tank of the skid-mounted refueling device is formed by rolling and splicing a plurality of sections of steel plates of cylinder bodies, and the SS double-layer oil tank reduces the number of open holes on the oil tank cylinder body by integrally installing the functional pipeline assembly on the manhole cover and improves the utilization rate of the steel plates for splicing the oil tank cylinder body; the oil tank manufacturing method comprises the steps of manufacturing an inner layer oil tank cylinder body and an outer layer oil tank cylinder body, wherein the oil tank cylinder body comprises the following steps:
(1) acquiring steel plate information: according to the oil tank design drawing, the thickness and the material of a steel plate for manufacturing an oil tank cylinder are obtained, price inquiry is carried out on a supplier of the steel plate, and supply information of the steel plate is obtained; the supply information comprises the breadth dimension specification and the price of the whole conventionally used steel plate;
(2) designing the position of a circumferential weld of the oil tank cylinder: according to an oil tank design drawing and the breadth size of the whole steel plate, on the principle that a seam avoids a hole opening position, an oil tank cylinder is decomposed into a main cylinder body and N sections of sub cylinder bodies, and the main cylinder body and the N sections of sub cylinder bodies are respectively unfolded to form a main cylinder body blanking size drawing and a sub cylinder body blanking size drawing; the main branch cylinder body is a branch cylinder body used for installing a manhole seat, and the decomposition of the secondary branch cylinder body follows the conventional design size specification and considers the minimum number decomposition principle so as to reduce the number of girth welds to the maximum extent;
(3) designing a steel plate cutting layout: according to the breadth dimension specification of the whole steel plate, the blanking dimension diagram of the main split cylinder body and the blanking dimension diagram of the secondary split cylinder body, all the main split cylinder body steel plates and the secondary split cylinder body steel plates which need to be cut are arranged on a plurality of steel plates to form a steel plate cutting and arranging diagram;
(4) calculating the utilization rate of the steel plate: calculating the utilization rate of the steel plate according to the steel plate cutting layout pattern;
(5) the cylinder body of the oil tank is optimized in sections: if the steel plate utilization rate does not reach the set value in the calculation of the steel plate utilization rate in the step (4), properly increasing the number N of the secondary sub-cylinders, and then repeating the steps (2) to (4) until the steel plate utilization rate reaches the set value;
(6) steel plate purchase and cutting blanking: purchasing a steel plate, designing the position of the circumferential weld of the oil tank when the utilization rate of the steel plate reaches a set value as a formal position design of the circumferential weld of the oil tank, designing a cutting layout of the steel plate when the utilization rate of the steel plate reaches the set value as a formal cutting layout of the steel plate, inputting the cutting layout of the steel plate into cutting software of a numerical control plasma cutting machine, and cutting the steel plate into a main cylinder steel plate and a secondary cylinder steel plate;
(7) the overall manufacturing of the oil tank cylinder body comprises the following steps: after blanking, carrying out overall manufacturing of the oil tank cylinder, wherein the overall manufacturing comprises rolling of each section of cylinder, assembling and welding of the inner layer oil tank cylinder and the outer layer oil tank cylinder, opening of the oil tank cylinder and installation and welding of a manhole seat; and during the assembly welding of the inner oil tank cylinder and the outer oil tank cylinder, adjacent longitudinal welding lines on the oil tank cylinders are arranged in a staggered manner.
6. The manufacturing process of the skid-mounted oil filling device for improving the utilization rate of the steel plate as claimed in claim 5, wherein in the step (5) of section optimization of the cylinder of the oil tank, a maximum number threshold value of the secondary sub-cylinders is set, when the number N of the secondary sub-cylinders reaches the maximum number threshold value of the secondary sub-cylinders and still does not reach the set utilization rate of the steel plate, the breadth dimension specification of all or part of the steel plate is replaced, and then the circulation from the step (2) to the step (4) is restarted until the utilization rate of the steel plate reaches the set value.
7. The manufacturing process of the skid-mounted oil filling device for improving the utilization rate of the steel plate as claimed in claim 6, wherein after the breadth dimension specification of all or part of the steel plate is changed and the utilization rate of the steel plate reaches the set value, the purchase cost of the steel plate is also calculated, the set value of the utilization rate of the steel plate is readjusted when the purchase cost is found to be increased, and the circulation from the step (2) to the step (4) is restarted according to the new set value of the utilization rate of the steel plate after adjustment until the utilization rate of the steel plate reaches the new set value of the utilization rate of the steel plate.
8. The manufacturing process of the skid-mounted oil filling device for improving the utilization rate of the steel plate as claimed in claim 5, wherein in the step (5) of section optimization of the cylinder of the oil tank, a maximum number threshold value of the sub-cylinder is set, when the number N of the sub-cylinders reaches the maximum number threshold value of the sub-cylinder and still does not reach the set utilization rate of the steel plate, the position of the manhole seat is changed and designed, and then the circulation from the step (2) to the step (4) is restarted until the utilization rate of the steel plate reaches the set value.
9. The manufacturing process of the skid-mounted oil filling device for improving the utilization rate of the steel plates, as claimed in claim 5, is characterized in that for the SS double-layer oil tanks produced in batches, the blanking size diagram of the main split cylinder body, the blanking size diagram of the secondary split cylinder body and the production quantity of the SS double-layer oil tanks produced in the same batch are summarized and then are subjected to steel plate cutting layout design.
10. The manufacturing process of the skid-mounted refueling device for improving the utilization rate of the steel plate as claimed in claim 5, wherein the tank barrel is provided with two manhole seats, the tank barrel is divided into two main branch barrels and N sub-branch barrels in the design of the circumferential weld position of the tank barrel in the step (2), the two manhole seats are respectively and correspondingly arranged on the two main branch barrels, and each functional pipeline assembly is respectively arranged on manhole covers of the two manhole seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010914210.7A CN112279208B (en) | 2020-09-03 | 2020-09-03 | Skid-mounted refueling device capable of improving utilization rate of steel plate and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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