CN210136436U - Temperature control system for large edible oil storage tank - Google Patents
Temperature control system for large edible oil storage tank Download PDFInfo
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- CN210136436U CN210136436U CN201921279002.3U CN201921279002U CN210136436U CN 210136436 U CN210136436 U CN 210136436U CN 201921279002 U CN201921279002 U CN 201921279002U CN 210136436 U CN210136436 U CN 210136436U
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Abstract
The utility model discloses a temperature control system of a large edible oil storage tank, which comprises a tank body with an arch top, wherein an annular water outlet main pipe and a water inlet main pipe are respectively arranged in the tank body close to the arch top and the tank bottom, and the outlet of the water outlet main pipe and the inlet of the water inlet main pipe extend out of the tank body; the upper ends of fluid pipelines which are longitudinally and uniformly distributed in the tank body between the water outlet main pipe and the water inlet main pipe and are close to the side wall are communicated with the water outlet main pipe, and the lower ends of the fluid pipelines are communicated with the water inlet main pipe; a cooling water outlet of a water chilling unit arranged outside the tank body is communicated with an inlet of the water inlet main pipe through a cooling water supply pipe, and a water return port of the water chilling unit is communicated with an outlet of the water outlet main pipe through a cooling water return pipe; electric eccentric half-ball valves are respectively arranged on the pipelines at the outlet of the water outlet main pipe and the inlet of the water inlet main pipe which are positioned outside the tank body; and a circulating water pump is arranged on a pipeline of the cooling water supply pipe or the cooling water return pipe. The utility model discloses a structure is ingenious, reasonable, has efficient heat-insulating cooling in summer and preheats the function in winter.
Description
Technical Field
The utility model relates to a temperature control of edible oil storage tank especially relates to a large-scale edible oil storage tank temperature control system.
Background
Large edible oil storage tanks (generally tank bodies with the diameter larger than 15 meters and the height larger than 10 meters) are mostly stored outdoors in the open air. Because the difference between the south and the north of China is large, in the storage process of more than one year, the grease in the storage tanks of many regions has the condition of over-high temperature (more than 25 ℃) in summer or over-low temperature (less than 0 ℃) in winter. If the grease in the storage tank is stored at a temperature which is not controlled, the quality of the edible oil can be directly influenced, when the oil temperature is higher, the deterioration rate of the grease can be greatly accelerated, and the oil temperature is too low, so that the viscosity of the grease is increased, the flowability is poor, and the transportation efficiency is reduced.
In actual engineering at the present stage, the temperature of the storage tank can be reduced by spraying water outside the storage tank in summer, and the oil storage tank can keep the required transportation performance by heating the heat tracing band wound on the tank body in winter. However, the two external temperature control modes have the problems of high energy consumption and high cost.
The edible oil storage tank adopts a double-layer stainless steel jacket type side wall structure, a plurality of support columns are arranged between the outer wall and the inner wall, and a plurality of electric fans are arranged in the interlayer space of the inner wall and the outer wall; meanwhile, cold water is introduced into the interlayer, the interlayer is externally connected with a cold water tank and a water pump, and the cold water is circulated in the interlayer space through the water pump and the electric fan, so that the purpose of cooling the edible oil in the storage tank is achieved. The method belongs to a dividing wall type heat exchange mode, and because the space between walls is limited, cold water is difficult to form efficient convection flow, the heat exchange efficiency is low, and the effect is not ideal; the flow resistance of the space between walls is large, an electric fan is adopted to promote the flow of fluid, and a water pump with large power is required to be equipped, so that the energy is not saved; in addition, the system is an open system, once impurities enter the space between the walls to cause blockage, the cleaning is difficult, and the maintenance cost is high. Meanwhile, due to the lack of a cold-heat conversion mechanism, a temperature rising system is additionally arranged if the temperature needs to be raised.
Disclosure of Invention
An object of the utility model is to provide a have large-scale edible oil storage tank temperature control system of cooling and intensification function concurrently.
In order to achieve the above purpose, the utility model can adopt the following technical proposal:
the utility model discloses a large-scale edible oil storage tank temperature control system, including the jar body that has the vault, be provided with annular outlet header pipe along its inner wall circumference in the jar body that is close to the vault, be provided with annular inlet header pipe along its inner wall circumference in the jar body that is close to the tank bottoms, the export of outlet header pipe and inlet header pipe's import extend outside the jar body; the upper ends of fluid pipelines which are longitudinally and uniformly distributed at intervals and close to the side wall in the tank body between the water outlet main pipe and the water inlet main pipe are communicated with the water outlet main pipe, and the lower ends of the fluid pipelines are communicated with the water inlet main pipe; a water chilling unit is arranged outside the tank body, a cooling water outlet of the water chilling unit is communicated with an inlet of the water inlet main pipe through a cooling water supply pipe, and a water return port of the water chilling unit is communicated with an outlet of the water outlet main pipe through a cooling water return pipe; electric eccentric half-ball valves are respectively arranged on the pipelines at the outlet of the water outlet main pipe and the inlet of the water inlet main pipe which are positioned outside the tank body; and a circulating water pump is arranged on a pipeline of the cooling water supply pipe or the cooling water return pipe.
And electric eccentric half-ball valves are arranged on pipelines close to a cooling water outlet and a water return port of the water chilling unit.
And the pipelines of each fluid pipeline close to the water inlet main pipe are provided with electric eccentric half-ball valves.
The outlet of the water outlet main pipe and the inlet of the water inlet main pipe are symmetrically arranged.
And a sleeve type heat exchanger is arranged at the pipe orifice of the water inlet main pipe positioned outside the tank body.
The fluid pipeline adopts a Q235B spiral pipe with DN =250, and the center of the pipeline is 500mm away from the side wall of the tank body.
The cooling water supply pipe and the cooling water return pipe adopt a Q235B spiral pipe with DN =1000, and the outside of the spiral pipe is coated with a high-density polyethylene outer sleeve with the thickness of 60 mm.
The water chilling unit is an air-cooled screw type water chilling unit.
The utility model has the advantages of the structure is ingenious, reasonable, has the heat-insulating cooling in summer of efficient and preheats the function winter. The heat exchanger adopts large-space convection to replace dividing wall type heat exchange, has large heat exchange area, solves the problem of low heat exchange efficiency, and is more energy-saving; by adopting the closed circulating system, external sundries can be effectively prevented from entering, the requirements on the performance parameters of the water pump are reduced, and the equipment operation and later maintenance cost is greatly reduced; the double-pipe heat exchanger is arranged at the water inlet, so that the phenomenon of oil storage agglomeration can be eliminated in winter, and the switching of heat insulation and cooling modes and preheating modes is realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following description will be made in more detail with respect to the present invention by taking as an example the installation of the temperature control system in a large-sized edible oil storage tank with a diameter of 27m, a tank height of 21m, and an arch top height of 3 m.
As shown in fig. 1, the temperature control system for large edible oil storage tank of the present invention comprises a tank body 1 with an arch top, wherein an annular main water outlet pipe 2 is arranged in the tank body 1 close to the arch top along the circumferential direction of the inner wall thereof, an annular main water inlet pipe 3 is arranged in the tank body close to the bottom of the tank along the circumferential direction of the inner wall thereof, the outlet of the annular main water outlet pipe 2 and the inlet of the annular main water inlet pipe 3 extend out of the tank body 1, during actual manufacturing, the annular main water outlet pipe 2 and the annular main water inlet pipe 3 can adopt a Q235B spiral pipe with DN =1000, and the outlet of the main water outlet pipe 2 and the inlet of the main water inlet pipe 3 are symmetrically arranged; 16 fluid pipelines 4 are vertically and symmetrically arranged at positions close to the side wall in the tank body between the water outlet main pipe 2 and the water inlet main pipe 3, the upper ends of the fluid pipelines 4 are communicated with the water outlet main pipe 2, the lower ends of the fluid pipelines 4 are communicated with the water inlet main pipe 3, the fluid pipelines 4 adopt Q235B spiral pipes with DN =250, the center distance between the installed pipelines and the outer wall is 500mm, during construction, steel plates with the thickness of 10mm, the length of 375mm and the width of 250mm are built on the inner walls of the storage tank at the positions of the spiral pipes 1/3 and 2/3, and the steel plates and the spiral pipes are fixed through; a water chilling unit 6 (a KDCS-360 air-cooled screw type water chilling unit can be adopted) connected with the cooling water tower 5 is arranged outside the tank body, a cooling water outlet of the water chilling unit 6 is communicated with an inlet of the water inlet main pipe 3 through a cooling water supply pipe 7, a water return port of the water chilling unit 6 is communicated with an outlet of the water outlet main pipe 2 through a cooling water return pipe 8, the cooling water supply pipe 7 and the cooling water return pipe 8 also adopt a Q235B spiral pipe with DN =1000, and the outside of the pipe is coated with a high-density polyethylene outer sleeve pipe with the thickness of 60mm for heat preservation; a circulating water pump 9 (adopting an IS100-80-160A type single-stage single-suction centrifugal pump) IS arranged on a pipeline of the cooling water supply pipe 7; in order to heat the water in the fluid pipeline 4 in winter, a double-pipe heat exchanger 10 (a heat exchanger with the model number SHQN150-0.175-T-1.0 and the working pressure of 1Mpa can be adopted) is arranged at the pipe orifice of the water inlet main pipe outside the tank body 1. In actual use, in order to conveniently adjust the flow rate of cooling water, electric eccentric half-ball valves are respectively arranged at the outlet of the water outlet main pipe 2 and the inlet of the water inlet main pipe 3 which are positioned outside the tank body, on pipelines close to the cooling water outlet and the water return port of the water chilling unit 6 and on pipelines close to all fluid pipelines 4 of the water inlet main pipe 3, wherein electric eccentric half-ball valves (the numbers are sequentially 11-1, 11-2, 11-3 and 11-4) of DN =1000 (the numbers are sequentially 11-1, 11-2, 11-3 and 11-4) and the models are DYPYQ 940H (X) which are positioned outside the tank body, and electric eccentric half-ball valves 11-5 and DYQ 940H (X) of DN =50 are respectively arranged on pipelines close to all fluid pipelines 4 of the water inlet main pipe 3.
To the environmental aspect of difference, the utility model discloses a temperature control system can have the cooling scheme of following three kinds of differences:
1. when the temperature in the storage tank is higher than the temperature (25 ℃) suitable for storage in summer, a water chilling unit 6, a circulating water pump 9, electric eccentric half-ball valves 11-1, 11-2, 11-3 and 11-4 and electric eccentric half-ball valves 11-5 on all fluid pipelines 4 are opened, the water supply temperature is adjusted to 10 ℃, and the oil storage in the storage tank is cooled;
2. when the temperature is continuously high (higher than 35 ℃) in summer, after the temperature is reduced for a certain time, after the oil storage in the storage tank is reduced to a reasonable temperature range, the electric eccentric half-ball valves 11-1 and 11-2 of the water supply and return pipelines can be properly adjusted, the electric eccentric half-ball valve 11-5 on the partial fluid pipeline 4 is adjusted or closed, or the flow of the water chilling unit 6 is reduced (the electric eccentric half-ball valves 11-3 and 11-4 are adjusted);
3. when the oil storage is blocked due to low temperature in winter, the water supply temperature is adjusted to 25 ℃ by opening the double-pipe heat exchanger 10 and the circulating water pump 9, so that the problem of oil storage blocking in the storage tank is solved, and the oil storage and transportation are convenient.
Claims (8)
1. The utility model provides a large-scale edible oil storage tank temperature control system, includes the jar body that has the hunch top, its characterized in that: an annular water outlet main pipe is arranged in the tank body close to the vault along the circumferential direction of the inner wall of the tank body, an annular water inlet main pipe is arranged in the tank body close to the tank bottom along the circumferential direction of the inner wall of the tank body, and an outlet of the water outlet main pipe and an inlet of the water inlet main pipe extend out of the tank body; the upper ends of fluid pipelines which are longitudinally and uniformly distributed at intervals and close to the side wall in the tank body between the water outlet main pipe and the water inlet main pipe are communicated with the water outlet main pipe, and the lower ends of the fluid pipelines are communicated with the water inlet main pipe; a water chilling unit is arranged outside the tank body, a cooling water outlet of the water chilling unit is communicated with an inlet of the water inlet main pipe through a cooling water supply pipe, and a water return port of the water chilling unit is communicated with an outlet of the water outlet main pipe through a cooling water return pipe; electric eccentric half-ball valves are respectively arranged on the pipelines at the outlet of the water outlet main pipe and the inlet of the water inlet main pipe which are positioned outside the tank body; and a circulating water pump is arranged on a pipeline of the cooling water supply pipe or the cooling water return pipe.
2. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: and electric eccentric half-ball valves are arranged on pipelines close to a cooling water outlet and a water return port of the water chilling unit.
3. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: and the pipelines of each fluid pipeline close to the water inlet main pipe are provided with electric eccentric half-ball valves.
4. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: the outlet of the water outlet main pipe and the inlet of the water inlet main pipe are symmetrically arranged.
5. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: and a sleeve type heat exchanger is arranged at the pipe orifice of the water inlet main pipe positioned outside the tank body.
6. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: the fluid pipeline adopts a Q235B spiral pipe with DN =250, and the center of the pipeline is 500mm away from the side wall of the tank body.
7. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: the cooling water supply pipe and the cooling water return pipe adopt a Q235B spiral pipe with DN =1000, and the outside of the spiral pipe is coated with a high-density polyethylene outer sleeve with the thickness of 60 mm.
8. The large-scale edible oil storage tank temperature control system according to claim 1, wherein: the water chilling unit is an air-cooled screw type water chilling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279002.3U CN210136436U (en) | 2019-08-08 | 2019-08-08 | Temperature control system for large edible oil storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279002.3U CN210136436U (en) | 2019-08-08 | 2019-08-08 | Temperature control system for large edible oil storage tank |
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| Publication Number | Publication Date |
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| CN210136436U true CN210136436U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921279002.3U Active CN210136436U (en) | 2019-08-08 | 2019-08-08 | Temperature control system for large edible oil storage tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110413027A (en) * | 2019-08-08 | 2019-11-05 | 河南工业大学 | Large edible oil tank temperature-controlling system |
| CN112978113A (en) * | 2021-02-08 | 2021-06-18 | 青岛沃华软控有限公司 | Automatic control device for continuity of oil depot |
-
2019
- 2019-08-08 CN CN201921279002.3U patent/CN210136436U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110413027A (en) * | 2019-08-08 | 2019-11-05 | 河南工业大学 | Large edible oil tank temperature-controlling system |
| CN110413027B (en) * | 2019-08-08 | 2023-10-13 | 河南工业大学 | Large edible oil storage tank temperature control system |
| CN112978113A (en) * | 2021-02-08 | 2021-06-18 | 青岛沃华软控有限公司 | Automatic control device for continuity of oil depot |
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