CN210675142U - DOTP production heat recovery equipment of recycling - Google Patents
DOTP production heat recovery equipment of recycling Download PDFInfo
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- CN210675142U CN210675142U CN201921501206.7U CN201921501206U CN210675142U CN 210675142 U CN210675142 U CN 210675142U CN 201921501206 U CN201921501206 U CN 201921501206U CN 210675142 U CN210675142 U CN 210675142U
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- oil tank
- heater
- propulsion pump
- octanol
- tank
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Abstract
The utility model discloses a DOTP production heat recovery equipment of recycling, including cold oil tank, first propulsion pump, valve, refined cauldron, heater, hot oil tank, second propulsion pump, octanol heating jar, pipeline. The utility model provides a rational in infrastructure, through sending into refined cauldron 4 with the fluid in the cold oil tank 1 with first propulsion pump 2, make fluid intensification, send into heater 5 after the fluid intensifies, carry out appropriate heating according to the temperature, send into hot oil tank 6 again and store, when octanol needs heat, the hot oil of second propulsion pump in with hot oil tank 6 is sent into octanol heating tank 8, and hot oil cooling after the heating gets back to cold oil tank 1 once more. Through cooling the circulating water and reforming into conduction oil circulative cooling, the conduction oil after the heat transfer heaies up esterification system raw materials alcohol, reduces esterification system steam use amount, has practiced thrift the energy, has realized thermal effective utilization, and the existence of heater enables this heat transfer operation to go on efficiently simultaneously, can not interrupt because of the heat is insufficient.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a chemical plant technical field, in particular to DOTP production heat recovery equipment of recycling.
[ background of the invention ]
Esterification reaction process in environment-friendly plasticizer DOTP production technology need rise material octanol, PTA to 230 degrees centigrade from the normal temperature, and refined aftertreatment process then will cool down to about 100 degrees centigrade, what generally took in the trade at present is that the cooling mode of coiled pipe leads to circulating water cooling in the reation kettle, and the drawback is more: 1. the heat is not recycled, and the steam heating cost is higher. 2. The heating and cooling time is long, and the production efficiency is limited. 3. During the neutralization of the refining process, water is directly added into the materials for cooling, the amount of generated sewage is increased, and the filtration is high in temperature, so that the quality of finished products is influenced. 4. The circulating water pipe is perforated and leaks water, emergency stop and emergency repair are carried out, the maintenance cost is increased, potential safety hazards are caused by surface water accumulation, and the field environment sanitation is poor.
[ Utility model ] content
An object of the utility model is to overcome above-mentioned prior art not enough, provide a DOTP production heat recovery equipment of recycling, it aims at solving among the prior art because the heat is not recycle, and steam heating cost is higher. The heating and cooling time is long, and the production efficiency is limited. During the neutralization of the refining process, water is directly added into the materials for cooling, the amount of generated sewage is increased, and the filtration is high in temperature, so that the quality of finished products is influenced. The water leakage of the circulating water pipe through the perforation, emergency stop and emergency repair increase the maintenance cost, potential safety hazard caused by surface water accumulation, and poor field environmental sanitation.
In order to achieve the above object, the utility model provides a DOTP production heat recovery equipment of recycling, its characterized in that: including cold oil tank, first propulsion pump, valve, refined cauldron, heater, hot oil tank, second propulsion pump, octanol heating tank, pipeline, cold oil tank and pipeline for the refined cauldron link to each other, install first propulsion pump and valve between cold oil tank and the refined cauldron, pipeline and heater link to each other for the refined cauldron, heater and pipeline for the hot oil tank link to each other, install the valve between heater and the hot oil tank, hot oil tank and octanol heating tank link to each other with the pipeline, install second propulsion pump and valve between hot oil tank and the octanol heating tank, octanol heating tank and pipeline for the cold oil tank link to each other, install the valve between octanol heating tank and the cold oil tank.
Preferably, the heater is provided with a temperature detector, when the temperature of the oil is lower than 100 ℃, the heater is started to heat the oil to 100-150 ℃, and when the temperature of the oil is higher than 100 ℃, the heater does not work. Preferably, the heating layer is provided with a small hole for the liquid to pass through, and the heating temperature is constant at 50 ℃.
Preferably, the cold oil tank and the hot oil tank are provided with thermometers capable of measuring the temperature of the oil in the tanks.
Preferably, the first propulsion pump and the second propulsion pump are provided with cooperative work switches, and the first propulsion pump and the second propulsion pump are provided with independent work switches.
The utility model has the advantages that: compared with the prior art, the utility model provides a pair of DOTP production heat recovery equipment of recycling, it is rational in infrastructure, through reforming into the conduction oil circulative cooling with circulating water cooling, the conduction oil after the heat transfer heaies up to system's raw materials mellow wine that esterifies, reduces system's steam use amount of esterifying, has practiced thrift the energy, has realized thermal effective utilization, and the existence of heater enables this heat transfer operation to go on efficiently simultaneously, can not interrupt because of the heat is insufficient.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a DOTP production heat recycling apparatus of the present invention.
In the figure: 1-cold oil tank, 2-first propulsion pump, 3-valve, 4-refining kettle, 5-heater, 6-hot oil tank, 7-second propulsion pump, 8-octanol heating tank and 9-pipeline.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, the embodiment of the utility model provides a DOTP production heat recovery equipment of recycling, its characterized in that: including cold oil tank 1, first propulsion pump 2, valve 3, refined cauldron 4, heater 5, hot oil tank 6, second propulsion pump 7, octanol heating tank 8, pipeline 9, cold oil tank 1 links to each other with refined cauldron 4 pipeline 9, installs first propulsion pump 2 and valve 3 between cold oil tank 1 and the refined cauldron 4, refined cauldron 4 links to each other with pipeline 9 and heater 5, heater 5 links to each other with hot oil tank 6 pipeline 9, installs valve 3 between heater 5 and the hot oil tank 6, hot oil tank 6 and octanol heating tank 8 link to each other with pipeline 9, installs second propulsion pump 2 and valve 3 between hot oil tank 6 and the octanol heating tank 8, octanol heating tank 8 and cold oil tank 1 link to each other with pipeline 9, install valve 3 between octanol heating tank 8 and the cold oil tank 1.
The heater 5 is provided with a temperature detector, when the temperature of the oil is less than 100 ℃, the heater 5 is started to heat the oil to 100-150 ℃, and when the temperature of the oil is more than 100 ℃, the heater 5 does not work.
The cold oil tank 1 and the hot oil tank 6 are provided with thermometers which can measure the temperature of oil in the tanks.
The first propulsion pump 2 and the second propulsion pump 7 are provided with cooperative work switches, and the first propulsion pump 2 and the second propulsion pump 7 are provided with independent work switches.
The utility model discloses the working process:
the utility model relates to a DOTP production heat recovery equipment of recycling is in the course of the work, compare with prior art, the utility model provides a pair of DOTP production heat recovery equipment of recycling, rational in infrastructure, send into refined cauldron 4 through the fluid with first propulsion pump 2 in with cold oil tank 1, make fluid intensification, send into heater 5 after the fluid intensifies, carry out the suitable heating according to the temperature, send into hot oil tank 6 again and store, when octanol needs heat, hot oil heating tank 8 is sent into with the hot oil in hot oil tank 6 to the second propulsion pump, hot oil cooling after the heating is got back to cold oil tank 1 once more. Through cooling the circulating water and reforming into conduction oil circulative cooling, the conduction oil after the heat transfer heaies up esterification system raw materials alcohol, reduces esterification system steam use amount, has practiced thrift the energy, has realized thermal effective utilization, and the existence of heater enables this heat transfer operation to go on efficiently simultaneously, can not interrupt because of the heat is insufficient.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. The utility model provides a DOTP production heat recovery recycles equipment which characterized in that: comprises a cold oil tank (1), a first propulsion pump (2), a valve (3), a refining kettle (4), a heater (5), a hot oil tank (6), a second propulsion pump (7), an octanol heating tank (8) and a pipeline (9), wherein the cold oil tank (1) is connected with the refining kettle (4) through the pipeline (9), the first propulsion pump (2) and the valve (3) are installed between the cold oil tank (1) and the refining kettle (4), the refining kettle (4) is connected with the heater (5) through the pipeline (9), the heater (5) is connected with the hot oil tank (6) through the pipeline (9), the valve (3) is installed between the heater (5) and the hot oil tank (6), the hot oil tank (6) is connected with the octanol heating tank (8) through the pipeline (9), the second propulsion pump (7) and the valve (3) are installed between the hot oil tank (6) and the octanol heating tank (8), octanol heating tank (8) and cold oil tank (1) link to each other with pipeline (9), install valve (3) between octanol heating tank (8) and the cold oil tank (1).
2. The DOTP production heat recovery and reuse apparatus of claim 1, wherein: the heater (5) on have the thermodetector, when the temperature of fluid is less than 100 degrees centigrade, heater (5) start-up heating fluid to 100 degrees centigrade-150 degrees centigrade, when the fluid temperature is greater than 100 degrees centigrade, heater (5) do not work.
3. The DOTP production heat recovery and reuse apparatus of claim 1, wherein: the cold oil tank (1) and the hot oil tank (6) are provided with thermometers which can measure the temperature of oil in the tanks.
4. The DOTP production heat recovery and reuse apparatus of claim 1, wherein: the first propulsion pump (2) and the second propulsion pump (7) are provided with cooperative work switches, and the first propulsion pump (2) and the second propulsion pump (7) are provided with independent work switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501206.7U CN210675142U (en) | 2019-09-10 | 2019-09-10 | DOTP production heat recovery equipment of recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501206.7U CN210675142U (en) | 2019-09-10 | 2019-09-10 | DOTP production heat recovery equipment of recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210675142U true CN210675142U (en) | 2020-06-05 |
Family
ID=70891219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921501206.7U Active CN210675142U (en) | 2019-09-10 | 2019-09-10 | DOTP production heat recovery equipment of recycling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210675142U (en) |
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2019
- 2019-09-10 CN CN201921501206.7U patent/CN210675142U/en active Active
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