CN214199211U - Waste oil treatment fused salt heating cycle equipment - Google Patents
Waste oil treatment fused salt heating cycle equipment Download PDFInfo
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- CN214199211U CN214199211U CN202120118251.5U CN202120118251U CN214199211U CN 214199211 U CN214199211 U CN 214199211U CN 202120118251 U CN202120118251 U CN 202120118251U CN 214199211 U CN214199211 U CN 214199211U
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Abstract
The utility model provides a waste oil treatment fused salt heating cycle equipment, which comprises a fused salt groove, wherein a clapboard is vertically arranged inside the fused salt groove, the clapboard divides the inside of the fused salt groove into a low-temperature fused salt area and a high-temperature fused salt area, and the upper parts of the low-temperature fused salt area and the high-temperature fused salt area are communicated; the low-temperature molten salt area and the high-temperature molten salt area are both provided with an electric heater and a steam coil; a cold molten salt pump is arranged in the low-temperature molten salt area, and a first hot molten salt pump, a second hot molten salt pump and a third hot molten salt pump are arranged in the high-temperature molten salt area; the cold molten salt pump is connected with the heating furnace, and the heating furnace is communicated with a molten salt pump return port of the high-temperature molten salt area; the first hot-melt salt pump, the second hot-melt salt pump and the third hot-melt salt pump are respectively connected with the first heat exchanger, the second heat exchanger and the third heat exchanger, and the first heat exchanger, the second heat exchanger and the third heat exchanger are respectively communicated with a return port of the molten salt pump in the low-temperature molten salt area.
Description
Technical Field
The utility model relates to a heating cycle equipment of scientific research experiment, chemical production process especially relates to one kind and uses the nitrate fused salt as the heat-carrying agent for waste oil handles fused salt heating cycle equipment.
Background
The more advanced process of waste oil regeneration industry at home and abroad needs to heat the waste oil. The molten nitrate salt is environment-friendly, non-toxic, non-flammable, good in thermal stability, low in cost and high in output temperature of 560 ℃, so that the molten nitrate salt is an ideal heat carrier. The primary melting of molten salts is usually carried out by heating with an electric heater or steam.
At present, waste oil treatment molten salt heating circulating equipment using molten salt as a heat carrier adopts the following two structural types.
1. Two molten salt tanks, a high-temperature molten salt tank and a low-temperature molten salt tank, are adopted. And (3) conveying the molten salt in the high-temperature molten salt tank to a heating part required in the waste oil treatment process flow by using a molten salt pump, and returning the low-temperature molten salt subjected to heat exchange to the low-temperature molten salt tank. The molten salt in the low-temperature molten salt tank is conveyed to the heating furnace through the molten salt pump to heat the molten salt to a specified temperature and then flows into the high-temperature molten salt tank.
2. The method adopts a molten salt tank which is provided with an electric heater or a steam coil, a molten salt pump for heating, a plurality of molten salt pumps for process heat exchange, a salt adding port, a molten salt reflux port, a temperature measuring port and the like. When the salt is primarily melted, a single heating mode is adopted, or a steam coil pipe is adopted to heat the molten salt, or an electric heater is adopted to heat the molten salt. And the molten salt pump is used for conveying the molten salt to the heating furnace to heat the molten salt, and the heated molten salt returns to the molten salt tank. And a plurality of molten salt pumps for process heat exchange convey high-temperature molten salt to a heating part required in the waste oil treatment process flow, and the low-temperature molten salt after heat exchange returns to the molten salt tank. By adopting the mode, the equipment investment is small, the operation is convenient, but the defects are that the salt melting mode is single, the heated molten salt and the molten salt cooled by the process heat exchange both return to the molten salt tank, the molten salt at two temperatures are inevitably mixed, and the temperature control precision of the molten salt for the external discharge process is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided a waste oil treatment fused salt heating cycle equipment, adopted this kind of equipment to drop into fewly, the thermal efficiency is high, uses reliable and stable.
In order to achieve the above purpose, the present invention is realized by the following technical solution;
the embodiment of the utility model provides a waste oil treatment fused salt heating cycle equipment, including a fused salt groove, fused salt inslot portion vertically set up a baffle, the baffle divide into low temperature fused salt district and high temperature fused salt district with fused salt inslot portion, and low temperature fused salt district and high temperature fused salt district upper portion communicate with each other; the low-temperature molten salt area and the high-temperature molten salt area are both provided with an electric heater and a steam coil; the low-temperature molten salt area is provided with a cold molten salt pump, and the high-temperature molten salt area is provided with a hot molten salt pump.
As a further technical scheme, the low-temperature molten salt area and the high-temperature molten salt area are also provided with temperature sensors.
As a further technical scheme, the low-temperature molten salt area and the high-temperature molten salt area are also provided with liquid level sensors.
As a further technical scheme, the low-temperature molten salt area and the high-temperature molten salt area are also provided with salt adding openings.
As a further technical scheme, the low-temperature molten salt area and the high-temperature molten salt area are also provided with standby ports.
As a further technical scheme, the low-temperature molten salt area and the high-temperature molten salt area are also provided with molten salt drain-out openings.
As a further technical scheme, the cold molten salt pump is connected with a heating furnace, and the heating furnace is communicated with a molten salt pump return port of a high-temperature molten salt area; the hot-melt salt pump is connected with the heat exchanger, and the heat exchanger is communicated with a return port of the hot-melt salt pump in the low-temperature hot-melt salt area.
As a further technical scheme, the hot melt salt pumps are provided with a plurality of heat exchangers, each heat exchanger is correspondingly connected with one heat exchanger, and each heat exchanger is communicated with a return port of the corresponding hot melt salt pump.
As a further technical scheme, a plurality of cold molten salt pumps are arranged and connected with one or more heating furnaces.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
1. the utility model discloses a fused salt groove not only is equipped with the steam coil pipe, still is equipped with electric heater. When the salt is initialized, the salt can be dissolved by steam or an electric heater.
2. The utility model discloses a fused salt groove intermediate position is equipped with semi-circular baffle, divide into low temperature fused salt district and high temperature fused salt district to the fused salt groove. Thereby avoiding the mixing of cold and hot molten salts in the molten salt tank and improving the precision of the molten salt temperature for the waste oil treatment process.
3. The utility model discloses the electric heater in hot melt salt district can also finely tune the fused salt temperature in the fused salt groove. The precision requirement of the molten salt temperature in the process is met.
4. The device has simple equipment structure, convenient operation and high reliability.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 shows a schematic structural view of the present invention;
figure 2 shows the process flow diagram of the present invention.
Wherein: 1. a cold molten salt pump, 2, a first molten salt pump, 3, a second molten salt pump, 4, a third molten salt pump, 5, a steam inlet, 6, a thermocouple, 7, a molten salt pump return port, 8, a molten salt pump return port, 9, a molten salt pump return port, 10, a first electric heater, 11, a second electric heater, 12, a salt adding port, a 13 standby port, a 14 salt adding port, a 15 third electric heater, a 16 fourth electric heater, a 17 molten salt pump return port, an 18 thermocouple, a 19 standby port, a 20 steam inlet, a 21 condensate water outlet, a 22 condensate water outlet, 23, a molten salt discharge port, a 24 molten salt discharge port, a 25 molten salt tank partition plate, a 26 low-temperature molten salt zone, a 27 high-temperature molten salt zone, a 28 heating furnace, a 29 first heat exchanger, a 30, a molten salt second heat exchanger, a 31, a third heat exchanger, a 32, a high-temperature molten salt pipeline, 33, a high-temperature pipeline, 34, 35. the system comprises a low-temperature molten salt pipeline, a 36 low-temperature molten salt pipeline, a 37 low-temperature molten salt pipeline, a 38 low-temperature molten salt pipeline and a 39 high-temperature molten salt pipeline.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if any, merely indicate that the directions of movement of the device or element are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected" and "fixed" in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Just as the background art introduces, exist not enough among the prior art, in order to solve above technical problem, the utility model provides a molten salt heating cycle equipment is handled to waste oil, this equipment collection molten salt groove, molten salt pump, electric heater, steam coil pipe in an organic whole, are equipped with the baffle at molten salt groove intermediate position, and the cavity that the baffle both sides formed is low temperature molten salt district and high temperature molten salt district respectively. The device has the advantages of less investment, high thermal efficiency, stable and reliable use, capability of using the evaporated salt during salt initialization and using the electric heater for salt evaporation, and capability of meeting the use requirements of different users. In addition, the electric heater can be used for finely adjusting the temperature of the molten salt, so that the precision requirement of the process on the temperature of the molten salt is met.
In a typical embodiment of the present invention, as shown in fig. 1, the molten salt heating and circulating apparatus for waste oil treatment provided by the present invention comprises a molten salt tank filled with molten salt, the molten salt tank is a cylindrical or rectangular tank, preferably cylindrical, and is connected to the bottom of the vertical partition 25 along the radial direction of the cylindrical molten salt tank, the bottom of the partition 25 is welded or otherwise connected to the sidewall of the molten salt tank, a gap is reserved between the top of the partition 25 and the molten salt tank, the molten salt tank is divided into two cavities, as shown in fig. 1, the left cavity is a low temperature molten salt zone 26, the right cavity is a high temperature molten salt zone 27, the two cavities are connected to each other through the gap at the top of the partition, the middle of the molten salt tank is provided with a partition, the molten salt tank is divided into the low temperature molten salt zone and the high temperature molten salt zone, thereby preventing the mixing of cold and hot molten salts in the molten salt tank, the precision of the molten salt temperature for the waste oil treatment process is improved.
A first electric heater 10, a second electric heater 11, a cold molten salt pump 1 and a steam coil are arranged in the low-temperature molten salt area 26 on the left, and a steam inlet 5 and a condensate water outlet 22 of the steam coil are both positioned outside the molten salt tank; and a third electric heater 15, a fourth electric heater 16, a first hot-melt salt pump 2, a second hot-melt salt pump 3, a third hot-melt salt pump 4 and a steam coil are arranged in the right high-temperature molten salt area 27, wherein a steam inlet 20 and a condensate water outlet 22 of the steam coil are positioned outside the molten salt tank. The molten salt tank is provided with a steam coil pipe and an electric heater. When salt is initialized, the salt can be dissolved by steam or an electric heater; meanwhile, the temperature of the molten salt can be finely adjusted through the electric heater.
The number, type, and the like of the electric heaters in the low-temperature molten salt zone 26 and the high-temperature molten salt zone 27 are set according to actual needs, and are not limited to the numbers given in the present embodiment.
It should be further noted that the number of the cold molten salt pumps 1 in the low-temperature molten salt region 26 is not limited to one disclosed in the present embodiment, and may be set as needed, and the number of the hot molten salt pumps in the high-temperature molten salt region 27 is not limited to three disclosed in the present embodiment, and may be set as needed.
It should be further noted that the pump types of the cold molten salt pump 1, the first hot molten salt pump 2, the second hot molten salt pump 3, and the third hot molten salt pump 4 in this embodiment are the same, and all pumps are high-temperature molten salt submerged pumps.
Furthermore, a salt adding port 12, a standby port 13, a salt adding port 14, a molten salt pump return port 7, a molten salt pump return port 8, a molten salt pump return port 9, a standby port 19 and a molten salt pump return port 17 are also arranged on the top wall of the molten salt tank; the salt adding port 12 and the salt adding port 14 are used for adding molten salt; the spare port 13 and the spare port 19 are used for spare; wherein the salt adding port 12, the standby port 13, the molten salt pump return port 7, the molten salt pump return port 8 and the molten salt pump return port 9 are positioned on the top wall corresponding to the low-temperature molten salt region 26; the molten salt pump return port 17, the salt adding port 14 and the standby port 19 are positioned on the top wall corresponding to the high-temperature molten salt area 27;
furthermore, a molten salt pump return port 7, a molten salt pump return port 8 and a molten salt pump return port 9 are also arranged on the top wall of the molten salt tank corresponding to the low-temperature molten salt zone 26; wherein the third hot-melt salt pump 4 is connected with the third heat exchanger 31 through a high-temperature molten salt pipeline 34 as shown in FIG. 2; the third heat exchanger 31 is connected with the return port 7 of the molten salt pump through a low-temperature molten salt pipeline 38;
the second hot-melt salt pump 3 is connected with the second heat exchanger 30 through a high-temperature molten salt pipeline 33; the second heat exchanger 30 is connected with a return port 8 of the molten salt pump through a low-temperature molten salt pipeline 37;
the first hot-melt salt pump 2 is connected with the first heat exchanger 29 through a high-temperature molten salt pipeline 32; the first heat exchanger 29 is connected with the molten salt pump return port 9 through a low-temperature molten salt pipeline 36.
Further, as shown in fig. 2, the cold molten salt pump 1 is connected to the heating furnace 28 through a low-temperature molten salt pipeline 35, and the heating furnace 28 is connected to the molten salt pump return port 17 of the high-temperature molten salt region 27 through a high-temperature molten salt pipeline 39; and the circulation of the molten salt in the molten salt tank is realized.
Further, a molten salt drain-out opening 24 and a molten salt drain-out opening 23 are arranged at the bottom of the molten salt tank; the molten salt discharge port 23 and the molten salt discharge port 24 are used for discharging molten salt.
Further, a liquid level sensor can be further arranged in the molten salt tank and used for detecting the liquid level in the molten salt tank, and the position of the liquid level sensor is omitted in the drawing of the embodiment.
The molten salt heating circulation equipment for waste oil treatment provided by the embodiment can be used for waste oil treatment, and can also be used for scientific research experiments and other chemical process flows.
Finally, it is also noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The molten salt heating circulation equipment for waste oil treatment is characterized by comprising a molten salt tank, wherein a partition plate is vertically arranged in the molten salt tank, and the partition plate divides the interior of the molten salt tank into a low-temperature molten salt area and a high-temperature molten salt area; the low-temperature molten salt area is communicated with the upper part of the high-temperature molten salt area; the low-temperature molten salt area and the high-temperature molten salt area are both provided with an electric heater and a steam coil; the low-temperature molten salt area is provided with a cold molten salt pump, and the high-temperature molten salt area is provided with a hot molten salt pump.
2. A molten salt heating and circulating device for waste oil treatment as claimed in claim 1, wherein the low-temperature molten salt area and the high-temperature molten salt area are further provided with temperature sensors.
3. A molten salt heating and circulating device for waste oil treatment as claimed in claim 1, wherein the low-temperature molten salt area and the high-temperature molten salt area are further provided with liquid level sensors.
4. A molten salt heating and circulating device for waste oil treatment as claimed in claim 1, wherein the low-temperature molten salt area and the high-temperature molten salt area are further provided with salt adding openings.
5. A molten salt heating and circulating apparatus for waste oil treatment as claimed in claim 1, wherein the low temperature molten salt zone and the high temperature molten salt zone are further provided with spare ports.
6. A molten salt heating and circulating device for waste oil treatment as claimed in claim 1, wherein the low-temperature molten salt area and the high-temperature molten salt area are further provided with molten salt draining openings.
7. A molten salt heating and circulating device for treating waste oil as claimed in claim 1, wherein the partition plates are fixedly connected to the side walls of the molten salt tank, and gaps are formed between the top parts of the partition plates and the molten salt tank.
8. A molten salt heating and circulating device for treating waste oil as claimed in claim 1, wherein the cold molten salt pump is connected with a heating furnace, and the heating furnace is communicated with a molten salt pump return port of the high-temperature molten salt region; the hot-melt salt pump is connected with the heat exchanger, and the heat exchanger is communicated with a return port of the hot-melt salt pump in the low-temperature hot-melt salt area.
9. A molten salt heating and circulating device for treating waste oil as claimed in claim 8, wherein a plurality of hot-melt salt pumps are arranged, each hot-melt salt pump is correspondingly connected with a heat exchanger, and each heat exchanger is communicated with a return port of the corresponding hot-melt salt pump.
10. A molten salt heating and circulating device for waste oil treatment as claimed in claim 8, wherein a plurality of cold molten salt pumps are arranged and connected with one or more heating furnaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120118251.5U CN214199211U (en) | 2021-01-15 | 2021-01-15 | Waste oil treatment fused salt heating cycle equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120118251.5U CN214199211U (en) | 2021-01-15 | 2021-01-15 | Waste oil treatment fused salt heating cycle equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214199211U true CN214199211U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120118251.5U Active CN214199211U (en) | 2021-01-15 | 2021-01-15 | Waste oil treatment fused salt heating cycle equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214199211U (en) |
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2021
- 2021-01-15 CN CN202120118251.5U patent/CN214199211U/en active Active
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