CN211711635U - Residual oil temperature maintaining system - Google Patents
Residual oil temperature maintaining system Download PDFInfo
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- CN211711635U CN211711635U CN201922435132.8U CN201922435132U CN211711635U CN 211711635 U CN211711635 U CN 211711635U CN 201922435132 U CN201922435132 U CN 201922435132U CN 211711635 U CN211711635 U CN 211711635U
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- residual oil
- oil
- heat exchanger
- dregs
- spiral plate
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Abstract
The utility model relates to a residual oil temperature maintenance system, including the dregs jar, first dregs pump and second dregs pump, the oil-out and the residual oil output tube intercommunication of dregs jar, be equipped with first dregs pump and second dregs pump along direction of delivery in proper order on the residual oil output tube, still include the spiral plate heat exchanger, the residual oil output tube between first dregs pump and the second dregs pump passes through oil pipe and spiral plate heat exchanger's refrigerant import intercommunication, spiral plate heat exchanger's refrigerant export and dregs jar intercommunication, spiral plate heat exchanger's heat medium import and hot oil input tube intercommunication, heat medium export and hot oil output tube intercommunication. The utility model discloses reduce equipment cost, improved the security that the residual oil was stored, reduced heat exchanger cleaning cycle and cost.
Description
Technical Field
The utility model belongs to the technical field of residual oil heat preservation, especially relate to a residual oil temperature maintenance system.
Background
The oil temperature of the residual oil needs to be maintained in the residual oil processing process to ensure the fluidity of the residual oil, the residual oil tank in the prior art is of a heat exchange structure, the residual oil is subjected to heat preservation through heat exchange inside and outside the residual oil tank, the existing residual oil tank is high in equipment cost, and high-temperature hot oil directly enters the residual oil tank to exchange heat, so that the risk is not reduced.
Various heat exchange processes such as preheating, condensation and evaporation boiling are required in the residual oil processing process, and a traditional tube type heat exchanger is usually adopted for the heat exchange processes. However, the tubular heat exchanger needs a larger heat transfer area due to low heat exchange coefficient, occupies a large area, is easy to scale due to low flow velocity of a tube side and a shell side, and is difficult to clean due to a complex internal structure of the shell side.
Disclosure of Invention
The utility model aims to solve the technical problem that a residual oil temperature maintenance system is provided, reduce equipment cost, improve the security that the residual oil was stored, reduce heat exchanger cleaning cycle and cost.
The utility model provides a technical scheme that its technical problem adopted provides a residual oil temperature maintenance system, including dregs oil jar, first dregs oil pump and second dregs oil pump, the oil-out and the residual oil output tube intercommunication of dregs oil jar, be equipped with first dregs oil pump and second dregs oil pump along direction of delivery on the residual oil output tube in proper order, still include the spiral plate heat exchanger, the residual oil output tube between first dregs oil pump and the second dregs oil pump passes through the refrigerant import intercommunication of oil pipe with the spiral plate heat exchanger, the refrigerant export and the dregs oil jar intercommunication of spiral plate heat exchanger, the heat medium import and the hot oil input tube intercommunication of spiral plate heat exchanger, heat medium export and hot oil output tube intercommunication.
And the residual oil output pipe is positioned at the downstream of the second residual oil pump and is communicated with the residual oil tank through a return pipe.
And a feed inlet of the residue oil tank is communicated with a residue oil input pipe.
Advantageous effects
The utility model discloses a spiral plate heat exchanger carries out the heat transfer to the residual oil and maintains the oil temperature of residual oil to guarantee the mobility of residual oil, realize heat transfer process and residual oil tank phase separation, be favorable to reducing equipment cost, avoided high temperature hot oil to get into the residual oil tank simultaneously, be favorable to improving the security that the residual oil was stored, the utility model discloses still utilized partial residual oil output tube as heat transfer pipeline, be favorable to further reducing equipment cost. Additionally the utility model discloses in adopt the spiral plate heat exchanger to carry out the heat transfer, more traditional shell and tube heat exchanger has higher coefficient of heat transfer, is favorable to reducing heat transfer area, can reduce heat exchanger equipment's area, and the fluid velocity of flow is high in the runner of spiral plate heat exchanger, and difficult scale deposit is favorable to reducing heat exchanger cleaning cycle and cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
A residual oil temperature maintaining system as shown in fig. 1 includes a residual oil tank 1, a spiral plate heat exchanger 2, a first residual oil pump 3, and a second residual oil pump 4.
The feed inlet of the residue oil tank 1 is communicated with a residue oil input pipe 9, the oil outlet of the residue oil tank 1 is communicated with a residue oil output pipe 5, a first residue oil pump 3 and a second residue oil pump 4 are sequentially arranged on the residue oil output pipe 5 along the conveying direction, and the residue oil output pipe 5 is positioned at the downstream of the second residue oil pump 4 and is communicated with the residue oil tank 1 through a return pipe 8.
A residual oil output pipe 5 between the first slag oil pump 3 and the second slag oil pump 4 is communicated with a refrigerant inlet of the spiral plate heat exchanger 2 through an oil pipe, and a refrigerant outlet of the spiral plate heat exchanger 2 is communicated with the residual oil tank 1. A heating medium inlet of the spiral plate heat exchanger 2 is communicated with a hot oil input pipe 6, and a heating medium outlet is communicated with a hot oil output pipe 7. The spiral plate heat exchanger 2 is adopted for heat exchange, and the heat exchanger has higher heat transfer coefficient compared with the traditional shell and tube heat exchanger, is favorable for reducing heat exchange area, can reduce the occupied area of heat exchanger equipment, has high flow velocity of fluid in a flow channel of the spiral plate heat exchanger, is not easy to scale, and is favorable for reducing the cleaning period and cost of the heat exchanger.
The residual oil temperature maintaining system can convey residual oil outwards through a residual oil output pipe 5, and meanwhile, part of residual oil can enter a spiral plate heat exchanger 2 for heat exchange and circularly flow into a residual oil tank 1 to maintain the internal temperature of the residual oil tank 1. The system realizes the separation of the heat exchange process and the residual oil tank 1, is favorable for reducing the equipment cost, simultaneously avoids high-temperature hot oil from entering the residual oil tank 1, is favorable for improving the safety of residual oil storage, and also utilizes part of the residual oil output pipe 5 as a heat exchange pipeline, thereby being favorable for further reducing the equipment cost.
Claims (3)
1. The residual oil temperature maintaining system comprises a residual oil tank (1), a first residual oil pump (3) and a second residual oil pump (4), wherein an oil outlet of the residual oil tank (1) is communicated with a residual oil output pipe (5), the residual oil output pipe (5) is sequentially provided with the first residual oil pump (3) and the second residual oil pump (4) along the conveying direction, and the residual oil temperature maintaining system is characterized in that: the slag oil recovery device is characterized by further comprising a spiral plate heat exchanger (2), a residual oil output pipe (5) between the first slag oil pump (3) and the second slag oil pump (4) is communicated with a refrigerant inlet of the spiral plate heat exchanger (2) through an oil pipe, a refrigerant outlet of the spiral plate heat exchanger (2) is communicated with the slag oil tank (1), a heat medium inlet of the spiral plate heat exchanger (2) is communicated with a hot oil input pipe (6), and a heat medium outlet is communicated with a hot oil output pipe (7).
2. A residuum oil temperature maintenance system according to claim 1 wherein: the residual oil output pipe (5) is positioned at the downstream of the second slag oil pump (4) and is communicated with the slag oil tank (1) through a return pipe (8).
3. A residuum oil temperature maintenance system according to claim 1 wherein: and a feed inlet of the residual oil tank (1) is communicated with a residual oil input pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435132.8U CN211711635U (en) | 2019-12-30 | 2019-12-30 | Residual oil temperature maintaining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435132.8U CN211711635U (en) | 2019-12-30 | 2019-12-30 | Residual oil temperature maintaining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211711635U true CN211711635U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435132.8U Active CN211711635U (en) | 2019-12-30 | 2019-12-30 | Residual oil temperature maintaining system |
Country Status (1)
| Country | Link |
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| CN (1) | CN211711635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2768093C1 (en) * | 2021-09-10 | 2022-03-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Method for reducing losses of oil products stored in vertical steel tanks |
-
2019
- 2019-12-30 CN CN201922435132.8U patent/CN211711635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2768093C1 (en) * | 2021-09-10 | 2022-03-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Method for reducing losses of oil products stored in vertical steel tanks |
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