Formic acid gasification device

Abstract

The utility model discloses a formic acid gasification device which comprises a formic acid tank used for storing formic acid liquid; the gasification tank is communicated with the formic acid tank through a first pipeline, and an electromagnetic valve is arranged on the first pipeline; the heating element is arranged in the gasification tank and is used for heating and gasifying the formic acid liquid in the gasification tank; the vacuum pump is communicated with the gasification tank through a second pipeline; according to the formic acid furnace, the problems that formic acid gas introduced into a traditional formic acid furnace contains nitrogen, the reaction time of the formic acid gas containing the nitrogen in the formic acid furnace is obviously several times lower than that of pure formic acid gas, and the reaction efficiency is low can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to formic acid processing equipment field, concretely relates to a formic acid gasification device. BACKGROUND

[0002] With the development of power device, reduce formic acid furnace beat time and improve capacity become a kind of trend, at present, the beat limit of formic acid furnace is mainly limited to the minimum wetting time of formic acid mixed gas, but the traditional mainstream formic acid is bubbled into the mode, is subjected to the influence of its mechanism of entering, makes the formic acid for nitrogen formic acid mixed gas, due to the occupation of nitrogen molecule, based on chemical reaction function, the reaction time of nitrogen formic acid mixed gas is significantly several times lower than that of pure formic acid gas, there is the problem of low reaction efficiency. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the utility model discloses a formic acid gasification device.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme including: formic acid tank, to store formic acid liquid;Gasification tank, communicate with the formic acid tank through the first pipeline, the first pipeline is equipped with solenoid valve;Heating element, be configured in the gasification tank, to heat the formic acid liquid in the gasification tank;Vacuum pump, the gasification tank is communicated through the second pipeline.

[0005] In the preferred technical scheme of the above formic acid gasification device, the heating element is a heating tube or heating wire arranged in the gasification tank, and the heating element is one of serpentine, spiral and straight line.

[0006] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0007] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0008] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0009] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0010] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0011] In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element. In the preferred technical scheme of the above formic acid gasification device, the first pipeline is equipped with a flow control element.

[0012] In the preferred technical scheme of the formic acid gasification device, an insulation layer is arranged outside the gasification tank.

[0013] The formic acid gasification device has the advantages that: after the vacuum pump is used to vacuumize the gasification tank, the electromagnetic valve is opened, the formic acid liquid in the formic acid tank is drawn into the gasification tank through the first pipeline under the action of negative pressure suction, the electromagnetic valve is closed, the formic acid liquid in the gasification tank is heated and gasified by the heating element, and the pure formic acid gas enters the formic acid furnace through the pipeline between the gasification tank and the formic acid furnace, so that the purity of the formic acid gas supplied into the formic acid furnace is improved, the device has the characteristics of simple structure, convenient operation and high purity of formic acid gas, and has practicality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the device;

[0015] In the figure: the formic acid tank 1, the gasification tank 2, the first pipeline 3, the electromagnetic valve 4, the heating element 5, the vacuum pump 6, the second pipeline 7, the flow control element 8, the liquid level sensor 9, the thermocouple sensor 10, the first explosion-proof transformer 11, the second explosion-proof transformer 12, and the vacuum gauge 13. DETAILED DESCRIPTION

[0016] The preferred embodiments of the device will be described below with reference to the drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the device, and are not intended to limit the protection scope of the device.

[0017] It should be noted that in the description of the device, the terms "up", "down", "left", "right", "front", "back" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the device. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] In addition, it should also be noted that in the description of the device, unless otherwise specified and limited, the terms "arranged", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. For those skilled in the art, the specific meaning of the above terms in the device can be understood according to the specific circumstances.

[0019] For example, Figure 1The utility model discloses a formic acid gasification device, which comprises a formic acid tank 1 for storing formic acid liquid, a gasification tank 2 in communication with the formic acid tank 1 through a first pipeline 3, a heating element 5 arranged in the gasification tank 2 for heating the formic acid liquid in the gasification tank 2, and a vacuum pump 6 in communication with the gasification tank 2 through a second pipeline 7.

[0020] Referring to Figure 1 , the outlet of the formic acid tank 1 is in communication with the inlet of the gasification tank 2 through the first pipeline 3, the formic acid tank 1 is used for storing formic acid liquid, the gasification tank 2 is a container for heating and gasifying the formic acid liquid, the outlet of the gasification tank 2 is in communication with a formic acid furnace, a switching device is arranged on the pipeline in communication with the gasification tank 2 and the formic acid furnace, a solenoid valve 4 is arranged on the first pipeline 3, the opening and closing of the solenoid valve 4 is controlled, thereby realizing the communication or closing of the formic acid tank 1 and the gasification tank 2, the heating element 5 is arranged in the gasification tank 2, and the heating element 5 can heat and gasify the formic acid liquid in the gasification tank 2, the vacuum pump 6 is in communication with the gasification tank 2 through the second pipeline 7, and the vacuum pump 6 can perform vacuumizing or negative pressure processing on the gasification tank 2.

[0021] Specifically, when the formic acid liquid is gasified, the solenoid valve 4 and the switching device are first controlled to be closed, the vacuum pump 6 is used to perform vacuumizing processing on the gasification tank 2, when the pressure in the gasification tank 2 reaches a predetermined value, the vacuum pump 6 is controlled to stop working and the solenoid valve 4 is opened, under the action of the negative pressure in the gasification tank 2, the formic acid liquid in the formic acid tank 1 is sucked into the gasification tank 2 through the first pipeline 3, then the solenoid valve 4 is closed again, the heating element 5 is used to heat the formic acid liquid in the gasification tank 2, after the formic acid liquid is heated and gasified, the formic acid liquid enters the formic acid furnace through the pipeline between the gasification tank 2 and the formic acid furnace, at this time, the formic acid gas is pure formic acid gas, and the formic acid gasification device has the characteristics of simple structure, convenient operation and high purity of formic acid gas, and has practicality.

[0022] In one or more embodiments, the heating element 5 is a heating pipe or a heating wire arranged in the gasification tank 2, and the heating element 5 is in one of a serpentine shape, a spiral shape and a straight line shape.

[0023] Referring to Figure 1 , the heating element 5 is uniformly arranged in the gasification tank 2, so as to improve the contact area of the formic acid liquid and the heating element 5 and improve the gasification efficiency of the formic acid liquid. By arranging the heating element 5 in a serpentine shape, a spiral shape or a straight line shape, the contact area of the formic acid liquid and the heating element 5 can be improved, and the gasification efficiency of the formic acid liquid can be further improved.

[0024] In one or more embodiments, a flow control element 8 is arranged on the first pipeline 3.

[0025] Referring to Figure 1The flow control element 8 can be a peristaltic pump or a throttle valve, a regulating valve, etc. By installing the flow control element 8 on the first pipeline 3, the flow of the formic acid liquid in the formic acid tank 1 can be controlled, the quantitative delivery of the formic acid liquid is realized, and the heating and gasification efficiency of the heating element 5 in the gasification tank 2 on the formic acid liquid is ensured.

[0026] In one or more embodiments, the first pipeline 3 has one end extending into the formic acid tank 1 and located below the inside of the formic acid tank 1.

[0027] Referring to Figure 1 By extending one end of the first pipeline 3 into the formic acid tank 1 below the inside of the formic acid tank 1, the formic acid liquid in the formic acid tank 1 can be extracted as much as possible, while reducing the residual formic acid liquid in the formic acid tank 1, reducing the waste of formic acid liquid, and facilitating cleaning.

[0028] In one or more embodiments, the formic acid tank 1 is provided with a liquid level sensor 9. Referring to Figure 1 The liquid level sensor 9 is used to monitor the liquid level of the formic acid solution in the formic acid tank 1, so as to facilitate timely liquid supplement operation in the formic acid tank 1, ensure the gasification efficiency of the formic acid liquid, and improve the use effect of the present application.

[0029] In one or more embodiments, the gasification tank 2 is provided with a thermocouple sensor 10. Referring to Figure 1 The thermocouple sensor 10 can detect the temperature of the formic acid liquid in the gasification tank 2 in real time, realize PID control of the temperature of the formic acid liquid, and ensure the stability of the gasification of the formic acid liquid in the gasification tank 2.

[0030] In one or more embodiments, the formic acid tank 1 is provided with a first explosion-proof transformer 11, and the gasification tank 2 is provided with a second explosion-proof transformer 12. It should be noted that the first explosion-proof transformer 11 and the second explosion-proof transformer 12 can respectively provide stable power supply for the formic acid tank 1 and the gasification tank 2, reduce the failure rate of power equipment, and ensure the stability and continuity of the production of pure formic acid gas.

[0031] In one or more embodiments, the second pipeline 7 is provided with a vacuum gauge 13 for detecting the vacuum degree of the second pipeline 7 and the inside of the gasification tank 2. Referring to Figure 1 By monitoring the vacuum degree of the second pipeline 7 and the inside of the gasification tank 2 through the vacuum gauge 13, the stability of the negative pressure control of the vacuum pump 6 on the inside of the gasification tank 2 can be ensured, and then the control of the volume of the formic acid liquid drawn into the inside of the gasification tank 2 by negative pressure can be ensured.

[0032] In one or more embodiments, the gasification tank 2 is externally provided with a heat preservation layer. The heat preservation layer can be made of rock wool, glass wool, polyurethane foam, etc. By configuring the heat preservation layer outside the gasification tank 2, the loss of the internal temperature of the gasification tank 2 can be reduced, the energy consumption loss can be reduced, and the stability of the formic acid liquid gasification inside the gasification tank 2 can be improved.

[0033] In one or more embodiments, the inner walls of the formic acid tank 1, the gasification tank 2, the first pipeline 3, and the second pipeline 7 are sprayed with a polytetrafluoroethylene coating. It should be noted that the polytetrafluoroethylene coating has good chemical resistance, reduces the corrosion of formic acid to the equipment, and prolongs the service life of the equipment.

[0034] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A formic acid gasification apparatus characterized by comprising: The application relates to a device for storing and vaporizing formic acid liquid, comprising: a formic acid tank for storing formic acid liquid; a vaporization tank in communication with the formic acid tank through a first pipeline, wherein an electromagnetic valve is arranged on the first pipeline; a heating element arranged in the vaporization tank for heating the formic acid liquid in the vaporization tank; a vacuum pump in communication with the vaporization tank through a second pipeline.

2. The formic acid gasification device of claim 1, wherein: The heating element is a heating pipe or a heating wire arranged in the vaporization tank, and the heating element is in one of a serpentine shape, a spiral shape and a linear shape.

3. The formic acid gasification device of claim 1, wherein: A flow control element is arranged on the first pipeline.

4. The formic acid gasification device of claim 1, wherein: The first pipeline is arranged to extend into the formic acid tank, and the end of the first pipeline inside the formic acid tank is arranged below the inside of the formic acid tank.

5. The formic acid gasification device according to claim 1 or 4, characterized in that: A liquid level sensor is arranged on the formic acid tank.

6. The formic acid gasification device of claim 1, wherein: A thermocouple sensor is arranged on the vaporization tank.

7. The formic acid gasification device of claim 1, wherein: A first explosion-proof transformer is arranged on the formic acid tank, and a second explosion-proof transformer is arranged on the vaporization tank.

8. The formic acid gasification device of claim 1, wherein: A vacuum gauge is arranged on the second pipeline for detecting the vacuum degree of the second pipeline and the inside of the vaporization tank.

9. The formic acid gasification device of claim 1, wherein: An insulation layer is arranged outside the vaporization tank.

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