CN212253789U - Reaction heat recycling device - Google Patents
Reaction heat recycling device Download PDFInfo
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- CN212253789U CN212253789U CN202020664685.0U CN202020664685U CN212253789U CN 212253789 U CN212253789 U CN 212253789U CN 202020664685 U CN202020664685 U CN 202020664685U CN 212253789 U CN212253789 U CN 212253789U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a reaction heat recycling device, which comprises a reaction kettle, a first heat exchanger, a second heat exchanger, a storage tank, a third heat exchanger, a monomer storage tank, a water cooling tower and a circulating water tank; the reaction kettle is connected with a first heat exchanger; one channel of the first heat exchanger is connected with the bottom and the top of the reaction kettle, and the other channel is connected with the second heat exchanger through a heat conduction oil pipeline; a cooling water discharge pipeline of the second heat exchanger is sequentially connected with the storage tank, the third heat exchanger, the water cooling tower and the circulating water tank; a discharge pipeline of the monomer storage tank is connected with a third heat exchanger; and a discharge hole of the circulating water tank is connected with a cooling water inlet of the second heat exchanger. The utility model discloses the polymerization heat of preparation methallyl alcohol polyoxyethylene ether can be retrieved and utilized to the device, has reached energy saving and consumption reduction's purpose.
Description
Technical Field
The utility model relates to an economizer in chemical production field, specific be a reaction heat recovery recycles device.
Background
Methallyl alcohol polyoxyethylene ether, chemical structure: CH (CH)2＝C(CH3)CH2O(CH2CH2O)nH, the series of products are non-toxic and non-irritant, have good water solubility, cannot be hydrolyzed and deteriorated, and have good intermiscibility with various components. With methallyl alcohol polyoxyethyleneThe polycarboxylate superplasticizer synthesized by using the ether as a macromonomer has high-efficiency particle dispersing performance and retaining capacity, and has the advantages of low mixing amount, high water reduction, good reinforcing effect, good durability, no corrosion to reinforcing steel bars, environmental protection and the like.
The preparation of methallyl alcohol polyoxyethylene ether is industrially carried out mainly by the polymerization of methallyl alcohol and Ethylene Oxide (EO). The gradual polymerization reaction of the methallyl alcohol and the Ethylene Oxide (EO) has strong heat release characteristics (the heat release of the ring opening polymerization of the ethylene oxide is about 95 kJ/mol), and the heat released by the reaction must be removed in time to ensure the reaction temperature and the safety of reactor equipment. At present, reaction heat is removed mainly through an external heat exchanger by taking heat conduction oil and water as cooling media, and the reaction heat is not fully utilized, so that a large amount of energy is wasted. Therefore, the optimization research aiming at the polyether production device is developed, and the important significance is achieved for reusing the reaction heat.
Disclosure of Invention
The utility model aims to solve the technical problem that a reaction heat recycling device is provided, the device can recycle the polymerization heat of preparation methallyl alcohol polyoxyethylene ether, has reached energy saving and consumption reduction's purpose.
The utility model adopts the technical proposal that: a reaction heat recycling device is characterized in that: the system comprises a reaction kettle, a first heat exchanger, a second heat exchanger, a storage tank, a third heat exchanger, a monomer storage tank, a water cooling tower and a circulating water tank; the reaction kettle is connected with a first heat exchanger; one channel of the first heat exchanger is connected with the bottom and the top of the reaction kettle, and the other channel is connected with the second heat exchanger through a heat conduction oil pipeline; a cooling water discharging pipeline of the second heat exchanger is connected with the storage tank; a discharge pipeline of the storage tank is connected with a third heat exchanger; a cooling water discharge pipeline of the third heat exchanger is connected with the water cooling tower; a discharge pipeline of the monomer storage tank is connected with a third heat exchanger; the discharge hole of the water cooling tower is connected with the feed inlet of the circulating water tank; and a discharge hole of the circulating water tank is connected with a cooling water inlet of the second heat exchanger. And the first heat exchanger, the second heat exchanger and the third heat exchanger are all provided with temperature testers.
The outer wall of the storage tank is provided with a heat-insulating layer; and a temperature tester is arranged on the storage tank.
The first heat exchanger is connected with the second heat exchanger through a pipeline with a pump; the second heat exchanger is connected with the storage tank through a pipeline with a pump; the storage tank is connected with the third heat exchanger through a pipeline with a pump; the third heat exchanger is connected with the water cooling tower through a pipeline with a pump; the monomer storage tank is connected with the third heat exchanger through a pipeline with a pump; the water cooling tower is connected with the circulating water tank through a pipeline with a pump; and the circulating water tank is connected with the second heat exchanger through a pipeline with a pump. The utility model has the advantages that: the device recovers the polymerization heat for preparing the methallyl alcohol polyoxyethylene ether, and the recovered reaction heat is used for preheating the polyether macromonomer, so that the energy consumption of a water reducing agent production system is reduced, and the purposes of energy conservation and consumption reduction are achieved.
Drawings
FIG. 1 shows a reaction heat recovery and reuse apparatus.
In the figure: reaction kettle 1, first heat exchanger 2, second heat exchanger 3, storage tank 4, third heat exchanger 5, monomer storage tank 6, cooling tower 7 and circulating water tank 8
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a reaction heat recycling apparatus is characterized in that: the system comprises a reaction kettle 1, a first heat exchanger 2, a second heat exchanger 3, a storage tank 4, a third heat exchanger 5, a monomer storage tank 6, a water cooling tower 7 and a circulating water tank 8; the reaction kettle 1 is connected with a first heat exchanger 2; one channel of the first heat exchanger 2 is connected with the bottom and the top of the reaction kettle, and the other channel is connected with the second heat exchanger 3 through a heat conduction oil pipeline; a cooling water discharging pipeline of the second heat exchanger 3 is connected with the storage tank 4; a discharge pipeline of the storage tank 4 is connected with a third heat exchanger 5; a cooling water discharging pipeline of the third heat exchanger 5 is connected with a water cooling tower 7; a discharge pipeline of the monomer storage tank 6 is connected with the third heat exchanger 5; the discharge hole of the water cooling tower 7 is connected with the feed inlet of the circulating water tank 8; and a discharge hole of the circulating water tank 8 is connected with a cooling water inlet of the second heat exchanger 3.
Preferably, the first heat exchanger (2), the second heat exchanger (3) and the third heat exchanger (5) are all provided with temperature testers.
Preferably, the outer wall of the storage tank (4) is provided with an insulating layer; and a temperature tester is arranged on the storage tank (4).
Preferably, the first heat exchanger (2) is connected with the second heat exchanger (3) through a pipeline with a pump; the second heat exchanger (3) is connected with the storage tank (4) through a pipeline with a pump; the storage tank (4) is connected with the third heat exchanger (5) through a pipeline with a pump; the third heat exchanger (5) is connected with the water cooling tower (7) through a pipeline with a pump; the monomer storage tank (6) is connected with the third heat exchanger (5) through a pipeline with a pump; the water cooling tower (7) is connected with the circulating water pool (8) through a pipeline with a pump; and the circulating water tank (8) is connected with the second heat exchanger (3) through a pipeline with a pump.
The implementation process is as follows:
the reaction materials are heated to a preset temperature in the reaction kettle 1 through the preheating device and then begin to react, methallyl alcohol and ethylene oxide are subjected to polymerization reaction step by step to release a large amount of heat, the reaction heat is removed through a heat conduction oil channel of the first heat exchanger 2, the heat conduction oil channel is connected with the second heat exchanger 3 through a pump, the heat in the heat conduction oil is removed through cooling water in another channel of the second heat exchanger 3, the temperature of the water is increased to 90-100 ℃, the hot water enters the first storage tank 4, the hot water in the first storage tank 4 enters the third heat exchanger 5 through a pipeline with the pump, the heat in the hot water is removed through the macromonomer in another channel of the third heat exchanger 5, the temperature of the macromonomer is increased to 40-70 ℃, and then the macromonomer is transferred to. The cooling water in the third heat exchanger 5 enters the cold water 7, and then the cold water in the cold water tower 7 enters the second heat exchanger 3 again through the circulating water tank 8 for recycling.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (4)
1. A reaction heat recycling device is characterized in that: comprises a reaction kettle (1), a first heat exchanger (2), a second heat exchanger (3), a storage tank (4), a third heat exchanger (5), a monomer storage tank (6), a water cooling tower (7) and a circulating water pool (8);
the reaction kettle (1) is connected with a first heat exchanger (2); one channel of the first heat exchanger (2) is connected with the bottom and the top of the reaction kettle, and the other channel is connected with the second heat exchanger (3) through a heat-conducting oil pipeline; a cooling water discharging pipeline of the second heat exchanger (3) is connected with the storage tank (4); a discharge pipeline of the storage tank (4) is connected with a third heat exchanger (5); a cooling water discharging pipeline of the third heat exchanger (5) is connected with a water cooling tower (7); a discharge pipeline of the monomer storage tank (6) is connected with a third heat exchanger (5); the discharge hole of the water cooling tower (7) is connected with the feed inlet of the circulating water pool (8); and a discharge hole of the circulating water tank (8) is connected with a cooling water inlet of the second heat exchanger (3).
2. A reaction heat recovery and reuse apparatus according to claim 1, wherein: the first heat exchanger (2), the second heat exchanger (3) and the third heat exchanger (5) are all provided with temperature testers.
3. A reaction heat recovery and reuse apparatus according to claim 1, wherein: the outer wall of the storage tank (4) is provided with a heat insulation layer; and a temperature tester is arranged on the storage tank (4).
4. A reaction heat recovery and reuse apparatus according to claim 1, wherein: the first heat exchanger (2) is connected with the second heat exchanger (3) through a pipeline with a pump; the second heat exchanger (3) is connected with the storage tank (4) through a pipeline with a pump; the storage tank (4) is connected with the third heat exchanger (5) through a pipeline with a pump; the third heat exchanger (5) is connected with the water cooling tower (7) through a pipeline with a pump; the monomer storage tank (6) is connected with the third heat exchanger (5) through a pipeline with a pump; the water cooling tower (7) is connected with the circulating water pool (8) through a pipeline with a pump; and the circulating water tank (8) is connected with the second heat exchanger (3) through a pipeline with a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664685.0U CN212253789U (en) | 2020-04-27 | 2020-04-27 | Reaction heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664685.0U CN212253789U (en) | 2020-04-27 | 2020-04-27 | Reaction heat recycling device |
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| CN212253789U true CN212253789U (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403725A (en) * | 2022-08-15 | 2022-11-29 | 黄山中泽新材料有限公司 | Polyurethane binder for high-solid low-viscosity ink, and preparation method and device thereof |
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2020
- 2020-04-27 CN CN202020664685.0U patent/CN212253789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403725A (en) * | 2022-08-15 | 2022-11-29 | 黄山中泽新材料有限公司 | Polyurethane binder for high-solid low-viscosity ink, and preparation method and device thereof |
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