CN213901858U - Heat energy utilization device in chlorinated polyethylene production - Google Patents
Heat energy utilization device in chlorinated polyethylene production Download PDFInfo
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- CN213901858U CN213901858U CN202022640152.1U CN202022640152U CN213901858U CN 213901858 U CN213901858 U CN 213901858U CN 202022640152 U CN202022640152 U CN 202022640152U CN 213901858 U CN213901858 U CN 213901858U
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Abstract
The utility model discloses a heat energy utilization device in chlorinated polyethylene production, which comprises an air flow dryer and a fluidized bed dryer which are communicated; the airflow dryer is also connected with a first hot air supply device, and the first hot air supply device is also connected with a first preheating heat exchanger; the fluidized bed dryer is also communicated with a second hot gas supply device, and the second hot gas supply device is also communicated with a second preheating heat exchanger; the first hot gas supply device and the second hot gas supply device are both provided with steam pipelines, the steam pipelines penetrate through the first hot gas supply device or the second hot gas supply device and then are both communicated to the hot water pool, and the hot water pool is also communicated to the first preheating heat exchanger or the second preheating heat exchanger through the hot water pipeline and the pump respectively. The utility model discloses a with the hot water make full use of that obtains behind the steam condensation in the production process, effectively reduce the consumption of steam, played energy saving and consumption reduction's effect.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment, concretely relates to heat utilization equipment in chlorinated polyethylene production.
Background
Chlorinated Polyethylene (CPE) is a high polymer material with white powder appearance, and is widely applied to the manufacturing industries of wire and cable industry, automobile accessories and the like. In the actual production, an aqueous suspension chlorination method is adopted, namely, when the raw materials and excessive chlorine gas are subjected to chlorination reaction to generate a chlorinated polyethylene product. The chlorination process, the neutralization process, the pneumatic dryer and the fluidized bed dryer all use steam to heat materials, condensate water with the temperature of about 75 ℃ can be generated after the steam heating, and the condensate water is usually discharged without being treated, so that a large amount of heat energy is lost. The hot air of the air dryer and the fluidized bed dryer requires a large amount of steam for preparation and a large amount of heat energy for replacement. It is extremely necessary to make full use of the heat energy.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the heat energy utilization device in the production of the chlorinated polyethylene is provided, the consumption of steam is effectively reduced, and the effects of energy conservation and consumption reduction are achieved.
In order to solve the technical problem, the technical scheme of the utility model is that:
the heat energy utilization device in the production of chlorinated polyethylene comprises an airflow dryer and a fluidized bed dryer which are communicated through a pipeline and a valve; the airflow dryer is also communicated with a first hot air supply device, the first hot air supply device is also communicated with a first preheating heat exchanger, and the first hot air supply device and the first preheating heat exchanger are communicated with the airflow dryer through the same air pipeline; the fluidized bed dryer is also communicated with a second hot gas supply device, the second hot gas supply device is also communicated with a second preheating heat exchanger, and the second hot gas supply device and the second preheating heat exchanger are communicated with the fluidized bed dryer through the same air pipeline; the first hot gas supply device and the second hot gas supply device are both provided with steam pipelines, the steam pipelines respectively penetrate through the first hot gas supply device and the second hot gas supply device and then are communicated to the hot water pool, and the hot water pool is also respectively communicated to the first preheating heat exchanger and the second preheating heat exchanger through the hot water pipeline and the pump.
Preferably, the hot water tank is also respectively communicated with the chlorination kettle and the neutralization kettle through condensed water pipelines. The chlorination kettle and the neutralization kettle are also respectively communicated with a steam pipeline. The chlorination kettle is a rubber lining kettle, and the neutralization kettle is an enamel reaction kettle.
The steam used for heating in the chlorination kettle and the neutralization kettle is subjected to heat exchange and condensation and then is conveyed to the hot water pool through a condensed water pipeline to be concentrated for later use.
Preferably, the steam pipes in the first hot gas supply device and the second hot gas supply device are also respectively communicated with the steam supply device. The water in which the steam is condensed after heat exchange is conveyed to a hot water pool to be concentrated for standby.
Preferably, the hot water tank is also communicated to a water supply device through a pipeline to supplement water consumed by production in the process.
Preferably, the air flow dryer is a straight tube dryer. Because a certain gas velocity makes the material in a fluidized and boiling state. The materials turn up and down in the air flow, are mixed and collide with each other, the contact area between gas and solid bodies is large, the heat and mass transfer is very violent, and the drying strength is high, so that the drying efficiency of the chlorinated polyethylene wet materials is improved to a great extent.
Preferably, the fluidized bed dryer is a horizontal multi-chamber fluidized bed dryer, and the wet material and hot air are subjected to heat and water vapor transmission in the fluidized bed to achieve the drying purpose. And (3) overflowing and discharging the dried product from a discharge pipe on the side surface of the bed layer, conveying the airflow to a second cyclone separator from the top, and recovering dust carried in the airflow through the second cyclone separator. Therefore, the dust in the airflow can be prevented from diffusing into the air, the environment-friendly effect is achieved, and the recovered dust can be recycled, so that the effects of energy conservation and consumption reduction are achieved.
Preferably, the fluidized bed dryer is also communicated with a rotary vibration sieve through a pipeline, the material is transferred to the rotary vibration sieve for continuous production, the rotary vibration sieve is a vibration grading sieve which is communicated with subsequent process production equipment, and the material is graded and then enters the subsequent equipment for continuous production.
The principle of the utility model is as follows:
because the air flow dryer and the fluidized bed dryer in the production process both use hot air for drying, and the hot air needs steam for heating, the steam consumption at the two places is very large, and in addition, the chlorination kettle and the neutralization kettle also need steam for heating materials; the steam forms condensed water at about 75 ℃ after heat exchange, the condensed water is uniformly concentrated in a hot water pool and then is respectively pumped to a first preheating heat exchanger and a second preheating heat exchanger to preheat air, the preheated air is respectively conveyed to a first hot air supply device and a second hot air supply device to be heated through the steam, and the heated hot air respectively enters an airflow dryer and a fluidized bed dryer to be dried; because the air is preheated, the amount of steam consumed during heating by using the steam is greatly reduced, and the amount of the steam used is effectively reduced.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model overcomes prior art's waste of heat energy, through the hot water make full use of who obtains behind the steam condensation in the production process, effectively reduce the consumption of steam, played energy saving and consumption reduction's effect.
Drawings
Fig. 1 is a schematic flow chart of an apparatus according to an embodiment of the present invention;
in the figure, 1, a pneumatic dryer; 2. a fluidized bed dryer; 3. a first hot gas supply device; 4. a first preheat heat exchanger; 5. a second hot gas supply device; 6. a second preheat exchanger; 7. a steam line; 8. a hot water tank; 9. a hot water pipe; 10. a condensed water pipeline; 11. a chlorination kettle; 12. and (4) neutralizing the kettle.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
Example one
As shown in figure 1, the utility model relates to a heat energy utilization device in chlorinated polyethylene production, which comprises an air flow dryer 1 and a fluidized bed dryer 2 which are communicated with each other through a pipeline and a valve; the airflow dryer 1 is also communicated with a first hot air supply device 3, the first hot air supply device 3 is also communicated with a first preheating heat exchanger 4, and the first hot air supply device 3 and the first preheating heat exchanger 4 are communicated with the airflow dryer 1 through the same air pipeline; the fluidized bed dryer 2 is also communicated with a second hot gas supply device 5, the second hot gas supply device 5 is also communicated with a second preheating heat exchanger 6, and the second hot gas supply device 5 and the second preheating heat exchanger 6 are communicated with the fluidized bed dryer 2 through the same air pipeline; the first hot gas supply device 3 and the second hot gas supply device 5 are both provided with steam pipelines 7, the steam pipelines 7 respectively penetrate through the first hot gas supply device 3 and the second hot gas supply device 5 and then are communicated to a hot water tank 8, the hot water tank 8 is also respectively communicated to the first preheating heat exchanger 4 and the second preheating heat exchanger 6 through a hot water pipeline 9 and a pump (not marked), and hot water in the hot water tank 8 is respectively cooled through the first preheating heat exchanger 4 and the second preheating heat exchanger 6 and then is intensively discharged or used for other purposes. The hot water tank 8 is also communicated with a chlorination kettle 11 and a neutralization kettle 12 through a condensed water pipeline 10 respectively, the chlorination kettle 11 and the neutralization kettle 12 are communicated with a steam pipeline 7 respectively, and materials in the kettles are heated by steam.
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.
Claims (6)
1. Heat energy utilization equipment in chlorinated polyethylene production, its characterized in that: comprises an air flow dryer and a fluidized bed dryer which are communicated through a pipeline and a valve; the airflow dryer is also communicated with a first hot air supply device, the first hot air supply device is also communicated with a first preheating heat exchanger, and the first hot air supply device and the first preheating heat exchanger are communicated with the airflow dryer through the same air pipeline; the fluidized bed dryer is also communicated with a second hot gas supply device, the second hot gas supply device is also communicated with a second preheating heat exchanger, and the second hot gas supply device and the second preheating heat exchanger are communicated with the fluidized bed dryer through the same air pipeline; the first hot gas supply device and the second hot gas supply device are both provided with steam pipelines, the steam pipelines respectively penetrate through the first hot gas supply device and the second hot gas supply device and then are communicated to the hot water pool, and the hot water pool is also respectively communicated to the first preheating heat exchanger and the second preheating heat exchanger through the hot water pipeline and the pump.
2. The apparatus for utilizing heat energy in chlorinated polyethylene production according to claim 1, wherein: the hot water tank is also respectively communicated with the chlorination kettle and the neutralization kettle through condensed water pipelines.
3. The apparatus for utilizing heat energy in chlorinated polyethylene production according to claim 1, wherein: the steam pipelines in the first hot gas supply device and the second hot gas supply device are also respectively communicated with the steam supply device.
4. The apparatus for utilizing heat energy in chlorinated polyethylene production according to claim 1, wherein: the hot water pool is also communicated to a water supply device through a pipeline.
5. The apparatus for utilizing heat energy in chlorinated polyethylene production according to claim 1, wherein: the pneumatic dryer is a straight pipe dryer, and the fluidized bed dryer is a horizontal multi-chamber fluidized bed dryer.
6. The apparatus for utilizing heat energy in chlorinated polyethylene production according to claim 1, wherein: the fluidized bed dryer is also communicated to the rotary vibrating screen through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022640152.1U CN213901858U (en) | 2020-11-14 | 2020-11-14 | Heat energy utilization device in chlorinated polyethylene production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022640152.1U CN213901858U (en) | 2020-11-14 | 2020-11-14 | Heat energy utilization device in chlorinated polyethylene production |
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| CN213901858U true CN213901858U (en) | 2021-08-06 |
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| CN202022640152.1U Active CN213901858U (en) | 2020-11-14 | 2020-11-14 | Heat energy utilization device in chlorinated polyethylene production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893788A (en) * | 2021-10-08 | 2022-01-07 | 杭州科利化工股份有限公司 | Energy-saving production method of chlorinated polyethylene |
| CN113893794A (en) * | 2021-10-08 | 2022-01-07 | 江苏科利新材料有限公司 | Energy-saving production system of chlorinated polyethylene |
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2020
- 2020-11-14 CN CN202022640152.1U patent/CN213901858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893788A (en) * | 2021-10-08 | 2022-01-07 | 杭州科利化工股份有限公司 | Energy-saving production method of chlorinated polyethylene |
| CN113893794A (en) * | 2021-10-08 | 2022-01-07 | 江苏科利新材料有限公司 | Energy-saving production system of chlorinated polyethylene |
| CN113893794B (en) * | 2021-10-08 | 2022-06-28 | 江苏科利新材料有限公司 | Energy-saving production system of chlorinated polyethylene |
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