Waste heat recovery device of ethylene oxide refining system

Abstract

The utility model belongs to the technical field of waste heat recovery, and particularly relates to a waste heat recovery device of an ethylene oxide refining system, which comprises a base, a control box is arranged above the base, an air suction mechanism is arranged in the control box, and the air suction mechanism comprises a suction fan, a ventilation pipe, a connecting pipe and a recovery box. According to the waste heat recovery device of the ethylene oxide refining system, when the waste heat of ethylene oxide is recovered, the ethylene oxide reacts in the reaction kettle to generate heat, and the suction fan is started to suck air to the ventilation pipe, so that the heat in the reaction kettle is sucked into the control box through the ventilation pipe; heat in the control box enters the recycling box through the connecting pipe, the temperature sensor senses the temperature in the recycling box, after the temperature sensor senses that the temperature in the recycling box reaches a certain height, the rubber plug is plugged tightly, meanwhile, the valve is closed tightly, the heat is stored in the recycling box, and the whole mechanism is easy and convenient to use and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery technical field especially relates to a kind of waste heat recovery device of ethylene oxide refining system. BACKGROUND

[0002] As a kind of waste heat recovery and utilization system of ethylene oxide aqueous solution (application number: 202210061691.0) in Chinese patent network is recycled when the waste heat of ethylene oxide, waste heat is collected using concentration tower, but the intensity of collection is not enough, cannot more efficiently export and collect waste heat, in turn lead to waste heat of ethylene oxide cannot be fully utilized, and heat recovery efficiency is too low, and the mechanism used in it is too much, not only resource-consuming but also inconvenient to operate. UTILITY MODEL CONTENT

[0003] Based on the technical problem that the existing ethylene oxide recovery mechanism is resource-consuming and complicated to operate, the utility model provides a kind of waste heat recovery device of ethylene oxide refining system.

[0004] The utility model provides a kind of waste heat recovery device of ethylene oxide refining system, including base, the upper portion of base is equipped with control box, the inside of control box is provided with air intake mechanism, the air intake mechanism includes air suction fan, ventilation pipe, connecting pipe and recovery tank, the hot gas is sucked to control box by ventilation pipe by air suction fan, and the hot gas in control box is passed to recovery tank by connecting pipe.

[0005] Preferably, the upper surface left end of base is fixedly installed with reaction kettle, the upper end of ventilation pipe is fixedly communicated in reaction kettle, the upper surface right of base is fixedly installed with support plate, the control box is fixedly installed on the upper surface of support plate, and the left end of ventilation pipe is fixedly communicated with control box.

[0006] Through the above technical scheme, ethylene oxide is reacted in reaction kettle, waste heat enters control box from ventilation pipe, and support plate supports control box.

[0007] Preferably, the inside of control box is fixedly installed with mounting box, the inside surface of mounting box is fixedly installed with air suction fan, and the rotating shaft outer surface of air suction fan is rotatably connected with the inside of mounting box, and the fan of air suction fan is located outside mounting box.

[0008] Through the above technical scheme, air suction fan is started to air intake ventilation pipe, and then the heat in reaction kettle is sucked into control box through ventilation pipe.

[0009] Preferably, the upper surface of the control box is fixedly provided with a control switch, the control switch is electrically connected with the air suction fan through wires, the lower end of the installation box and the lower end of the control box are both provided with ventilation holes, and the connecting pipe is fixedly communicated with the right end of the control box.

[0010] Through the technical scheme, the control switch controls the start and stop of the air suction fan, and the ventilation holes enable the air suction fan to contact air, thereby facilitating heat dissipation of the air suction fan.

[0011] Preferably, the recovery box is fixedly installed on the upper surface of the base located at the right of the supporting plate, the upper end of the recovery box is fixedly communicated with the lower end of the connecting pipe, a temperature sensor is fixedly installed on the right outer surface of the recovery box, and the sensing mechanism of the temperature sensor is arranged in the recovery box.

[0012] Through the technical scheme, the heat in the control box enters the recovery box through the connecting pipe, and the temperature sensor senses the temperature in the recovery box.

[0013] Preferably, a through slot is arranged in the right lower end of the recovery box, a rubber plug is slidably inserted into the through slot, and a valve is fixedly installed on the outer portion of the connecting pipe.

[0014] Through the technical scheme, when the heat is collected, the rubber plug is pulled out from the through slot, but not completely, and a small gap is left, until the temperature sensor senses that the temperature in the recovery box reaches a certain height, and then the rubber plug is tightly plugged, and the valve is tightly closed.

[0015] The beneficial effects of the utility model are as follows:

[0016] By arranging the air suction mechanism, when the waste heat of the ethylene oxide is recovered, the ethylene oxide generates heat in the reaction kettle, the air suction fan is started to suck air through the ventilation pipe, and then the heat in the reaction kettle is sucked into the control box through the ventilation pipe, the heat in the control box enters the recovery box through the connecting pipe, the temperature sensor senses the temperature in the recovery box, when the heat is collected, the rubber plug is pulled out from the through slot, but not completely, and a small gap is left, until the temperature sensor senses that the temperature in the recovery box reaches a certain height, and then the rubber plug is tightly plugged, and the valve is tightly closed, the heat is stored in the recovery box, the whole mechanism is simple and convenient to operate, and the effect of saving resources and facilitating operation is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 A schematic view of a waste heat recovery device of an ethylene oxide refining system is provided in the utility model.

[0018] Fig. 2The utility model provides a kind of control box structure sectional view of the waste heat recovery device of epoxyethane refining system.

[0019] Fig. 3 The utility model provides a kind of recovery tank structure sectional view of the waste heat recovery device of epoxyethane refining system.

[0020] In the drawing: 1, base; 11, reaction kettle; 12, support plate; 2, control box; 21, installation box; 22, control switch; 23, air vent; 3, air suction fan; 4, ventilation pipe; 5, connecting pipe; 51, valve; 6, recovery tank; 61, temperature sensor; 62, through slot; 63, rubber plug. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] REFERENCE Figs. 1-3 A kind of waste heat recovery device of epoxyethane refining system, including base 1, to facilitate the heat generated by epoxyethane refining to be collected, control box 2 is installed on the top of base 1, control box 2 is internally provided with air suction fan 3 structure, air suction fan 3 structure includes air suction fan 3, ventilation pipe 4, connecting pipe 5 and recovery tank 6, air suction fan 3 is in control box 2 by ventilation pipe 4 Hot air is sucked, connecting pipe 5 is in control box 2 Hot air is passed to recovery tank 6.

[0023] To facilitate the heat in reaction kettle 11 to be inhaled into control box 2, reaction kettle 11 is fixedly installed on the upper surface left end of base 1, ventilation pipe 4 is fixedly communicated at the upper end of reaction kettle 11, support plate 12 is fixedly installed on the upper surface right of base 1 at reaction kettle 11, control box 2 is fixedly installed on the upper surface of support plate 12, ventilation pipe 4 is fixedly communicated with the left end of control box 2, epoxyethane is reacted in reaction kettle 11, waste heat is entered into control box 2 from ventilation pipe 4, support plate 12 supports control box 2.

[0024] To facilitate the heat in reaction kettle 11 to be inhaled into control box 2 by air suction fan 3 through ventilation pipe 4, installation box 21 is fixedly installed in control box 2, air suction fan 3 is fixedly installed on the inner side surface of installation box 21, the rotating shaft outer surface of air suction fan 3 is rotatably connected with the inside of installation box 21, the fan of air suction fan 3 is located outside installation box 21, air suction fan 3 is started to air suction ventilation pipe 4, and then the heat in reaction kettle 11 is inhaled into control box 2 through ventilation pipe 4.

[0025] In order to ensure that the suction fan 3 can be used normally, the upper surface of the control box 2 is fixedly installed with a control switch 22, the control switch 22 is electrically connected with the suction fan 3 through wires, the lower end of the installation box 21 and the lower end of the control box 2 are both provided with ventilation holes 23, the connecting pipe 5 is fixedly communicated at the right end of the control box 2, the control switch 22 controls the start and stop of the suction fan 3, and the ventilation holes 23 enable the suction fan 3 to be in contact with air, so that the suction fan 3 can be easily radiated.

[0026] In order to conveniently guide the heat in the control box 2 into the recovery box 6, the recovery box 6 is fixedly installed on the upper surface of the base 1 located at the right of the supporting plate 12, the upper end of the recovery box 6 is fixedly communicated with the lower end of the connecting pipe 5, the right outer surface of the recovery box 6 is fixedly installed with a temperature sensor 61, the sensing mechanism of the temperature sensor 61 is arranged in the interior of the recovery box 6, the heat in the control box 2 enters the recovery box 6 through the connecting pipe 5, and the temperature sensor 61 senses the temperature in the recovery box 6.

[0027] In order to conveniently store the heat in the recovery box 6, the right lower end of the recovery box 6 is internally provided with a through groove 62, a rubber plug 63 is slidably inserted into the through groove 62, and the outer portion of the connecting pipe 5 is fixedly installed with a valve 51. When the heat is collected, the rubber plug 63 is pulled out of the through groove 62, but is not completely pulled out, and a small gap is left, until the temperature sensor 61 senses that the temperature in the recovery box 6 reaches a certain height, and then the rubber plug 63 is tightly plugged, and the valve 51 is tightly closed.

[0028] When the waste heat of the ethylene oxide is recovered, the ethylene oxide generates heat in the reaction kettle 11, the suction fan 3 is started to suck air through the ventilation pipe 4, and then the heat in the reaction kettle 11 is sucked into the control box 2 through the ventilation pipe 4, the heat in the control box 2 enters the recovery box 6 through the connecting pipe 5, the temperature sensor 61 senses the temperature in the recovery box 6, when the heat is collected, the rubber plug 63 is pulled out of the through groove 62, but is not completely pulled out, and a small gap is left, until the temperature sensor 61 senses that the temperature in the recovery box 6 reaches a certain height, and then the rubber plug 63 is tightly plugged, and the valve 51 is tightly closed, the heat is stored in the recovery box 6, the whole mechanism is simple and convenient to use and operate, and the effect of saving resources and conveniently operating is achieved.

[0029] Working principle: in the recovery of the waste heat of ethylene oxide, the ethylene oxide is reacted in the reaction kettle 11 to generate heat, the air suction fan 3 is started to suck the air in the ventilation pipe 4, and then the heat in the reaction kettle 11 is sucked into the control box 2 through the ventilation pipe 4, the heat in the control box 2 enters the recovery box 6 through the connecting pipe 5, the temperature sensor 61 senses the temperature in the recovery box 6, when the heat is collected, in order to ensure the normal work of the air suction fan 3, the rubber plug 63 is pulled out from the slot 62, but not completely pulled out, a small gap is left, when the temperature sensor 61 senses that the temperature in the recovery box 6 reaches a certain height, the rubber plug 63 is tightly plugged, and the valve 51 is tightly closed, the heat is stored in the recovery box 6, the whole mechanism is simple to use and convenient to operate.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A waste heat recovery device for an ethylene oxide refining system, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly installed with a control box (2), the inside of the control box (2) is provided with an air suction mechanism, the air suction mechanism comprises an air suction fan (3), a ventilation pipe (4), a connecting pipe (5) and a recovery box (6), the air suction fan (3) sucks hot air into the control box (2) through the ventilation pipe (4), and the connecting pipe (5) leads the hot air in the control box (2) into the recovery box (6).

2. The waste heat recovery device of an ethylene oxide refining system according to claim 1, characterized in that: The upper surface of the base (1) is fixedly installed with a control box (2), the inside of the control box (2) is provided with an air suction mechanism, the air suction mechanism comprises an air suction fan (3), a ventilation pipe (4), a connecting pipe (5) and a recovery box (6), the air suction fan (3) sucks hot air into the control box (2) through the ventilation pipe (4), and the connecting pipe (5) leads the hot air in the control box (2) into the recovery box (6).

3. The waste heat recovery device of an ethylene oxide refining system according to claim 1, characterized in that: The inside of the control box (2) is fixedly installed with a mounting box (21), the air suction fan (3) is fixedly installed on the inner side surface of the mounting box (21), the rotating shaft outer surface of the air suction fan (3) is rotatably connected with the inside of the mounting box (21), and the fan of the air suction fan (3) is located outside the mounting box (21).

4. The waste heat recovery device of an ethylene oxide refining system according to claim 3, characterized in that: The upper surface of the control box (2) is fixedly installed with a control switch (22), the control switch (22) is electrically connected with the air suction fan (3) through wires, the lower end of the mounting box (21) and the lower end of the control box (2) are both provided with ventilation holes (23), and the connecting pipe (5) is fixedly communicated with the right end of the control box (2).

5. The waste heat recovery device of an ethylene oxide refining system according to claim 2, characterized in that: The recovery box (6) is fixedly installed on the upper surface of the base (1) located right to the support plate (12), the upper end of the recovery box (6) is fixedly communicated with the lower end of the connecting pipe (5), the right side outer surface of the recovery box (6) is fixedly installed with a temperature sensor (61), and the sensing mechanism of the temperature sensor (61) is arranged in the inside of the recovery box (6).

6. The waste heat recovery device of an ethylene oxide refining system according to claim 1, characterized in that: The lower end of the recovery box (6) is internally provided with a through groove (62), the through groove (62) is internally and slidably connected with a rubber plug (63), and the outside of the connecting pipe (5) is fixedly installed with a valve (51).

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