Positive pressure purging system

Abstract

The utility model discloses a positive pressure purging system which comprises a box body, and a pressure display chamber, an electrical chamber, a catalyst chamber and a mixing chamber are arranged in the box body; the conveying pipe is inserted into the pressure display chamber and is used for conveying external instrument air; the other end of the air inlet pipe penetrates through the pressure display chamber and is inserted into the electric chamber; the pressure control valve is communicated with the air inlet pipe; the output end of the purging pipe is connected with the other end of the air inlet pipe, and the two output ends of the purging pipe directly face the electrical room. The first communicating pipe is arranged between the electrical chamber and the catalytic chamber and used for communicating the electrical chamber with the catalytic chamber; the second communicating pipe is arranged between the catalyst chamber and the mixing chamber and is used for communicating the catalyst chamber with the mixing chamber; one end of the air outlet pipe is connected with the second communicating pipe, and the other end of the air outlet pipe sequentially penetrates through the mixing chamber and the pressure display chamber. According to the utility model, the purging channel is communicated with the external instrument air delivery pipe, and instrument air is adopted to purge the electrical chamber and the catalytic chamber, so that high efficiency and energy conservation are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction catalysis, in particular to a positive pressure purge system. Background Art

[0002] In the existing reactor reaction equipment, the electrical room and the catalytic room are not equipped with a purge system, and the conventional purge system generally requires an electric heater, which is not energy-saving and environmentally friendly. Therefore, a positive pressure purge system is designed. Summary of the invention

[0003] According to an embodiment of the utility model, a positive pressure purge system is provided, comprising:

[0004] The box body is provided with a pressure display chamber, an electrical chamber, a catalytic chamber and a mixing chamber;

[0005] Delivery pipe, which is inserted into the pressure display chamber and is used to deliver external instrument air;

[0006] An air inlet pipe, one end of which is connected to the delivery pipe, and the other end of which penetrates the pressure display chamber and is inserted into the electrical chamber;

[0007] A pressure control valve, the pressure control valve is connected to the intake pipe;

[0008] Purge pipe, the output end of the purge pipe is connected to the other end of the air inlet pipe, and the output end of the purge pipe is arranged facing the electrical room;

[0009] A first connecting pipe, which is arranged between the electrical chamber and the catalytic chamber and is used to connect the electrical chamber and the catalytic chamber;

[0010] A second connecting pipe, which is arranged between the catalytic chamber and the mixing chamber and is used to connect the catalytic chamber and the mixing chamber;

[0011] The air outlet pipe is located in the mixing chamber, and one end of the air outlet pipe is connected to the second connecting pipe, and the other end passes through the mixing chamber and the pressure display chamber in sequence.

[0012] Furthermore, it also includes: a flow transmitter, which is connected to the air outlet pipe.

[0013] Further, the flow transmitter is located in the pressure display chamber.

[0014] Furthermore, it also includes: a differential pressure transmitter, which is connected to the second connecting pipe.

[0015] Further, the differential pressure transmitter is located in the pressure display chamber.

[0016] According to a positive pressure purging system of an embodiment of the utility model, the purging channel is connected to the external instrument air delivery pipe, and instrument air is used to purge the electrical room and the catalyst room, which is efficient and energy-saving. Positive pressure is purged in every corner of the electrical room, and the purged gas re-enters the catalyst room. During the purging process, heat is also taken away, and the catalyst room is also cooled, achieving multiple goals at one stroke.

[0017] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the overall structure of a positive pressure purge system according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0020] First, combine Figure 1 A positive pressure purge system according to an embodiment of the utility model is described, which is used for positive pressure purge and has a wide range of application scenarios.

[0021] like Figure 1 As shown, a positive pressure purge system according to an embodiment of the utility model comprises a box body 1, a delivery pipe 2, an air inlet pipe 3, a pressure control valve 4, a purge pipe 5, a first connecting pipe 6, a second connecting pipe 7 and an air outlet pipe 8.

[0022] Specifically, Figure 1 As shown, a pressure display chamber 11, an electrical chamber 12, a catalytic chamber 13 and a mixing chamber 14 are provided inside the housing 1; a delivery pipe 2 is inserted into the pressure display chamber 11 for delivering external instrument air; one end of the air intake pipe 3 is connected with the delivery pipe 2, and the other end passes through the pressure display chamber 11 and is inserted into the electrical chamber 12; a pressure control valve 4 is connected with the air intake pipe 3; an output end of the purge pipe 5 is connected with the other end of the air intake pipe 3, and the output end of the purge pipe 5 is arranged opposite to the electrical chamber 12; a first connecting pipe 6 is arranged between the electrical chamber 12 and the catalytic chamber 13, and is used to connect the electrical chamber 12 and the catalytic chamber 13; a second connecting pipe 7 is arranged between the catalytic chamber 13 and the mixing chamber 14, and is used to connect the catalytic chamber 13 and the mixing chamber 14; an air outlet pipe 8 is located in the mixing chamber 14, and one end is connected with the second connecting pipe 7, and the other end passes through the mixing chamber 14 and the pressure display chamber 11 in sequence.

[0023] Further, if Figure 1As shown, a positive pressure purge system of an embodiment of the utility model further comprises: a flow transmitter 91, the flow transmitter 91 is connected to the outlet pipe 8, and is used to detect the flow rate out of the outlet pipe 8. The flow transmitter 91 is located in the pressure display chamber 11, which is convenient for observing the flow condition.

[0024] Further, if Figure 1 As shown, a positive pressure purge system of an embodiment of the utility model further comprises: a differential pressure transmitter 92, and the differential pressure transmitter 92 is connected to the second connecting pipe 7. The differential pressure transmitter 92 is located in the pressure display chamber 11.

[0025] Working principle: The delivery pipe 2 transports external instrument air and delivers it to the intake pipe 3. The pressure is controlled by the pressure control valve 4. Then, the air is purged to every corner of the electrical room 12 through the purge pipe 5. The purged gas then enters the catalyst room 13 through the first connection. During the purging process, heat is taken away and the catalyst room 13 is cooled. Finally, the air is blown out through the second connecting pipe 7 and the outlet pipe 8.

[0026] Above, refer to Figure 1 A positive pressure purging system according to an embodiment of the utility model is described, in which the purging channel is connected to the external instrument air delivery pipe 2, and instrument air is used to purge the electrical room 12 and the catalyst room 13, which is efficient and energy-saving. Positive pressure is purged in all corners of the electrical room 12, and the purged gas then enters the catalyst room 13. During the purging process, heat is also taken away, and the catalyst room 13 is also cooled, achieving multiple goals at one stroke.

[0027] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A positive pressure purge system, characterized in that: Include: A box body, wherein a pressure display chamber, an electrical chamber, a catalytic chamber and a mixing chamber are arranged inside the box body; A delivery pipe, the delivery pipe is inserted into the pressure display chamber and is used to deliver external instrument air; An air intake pipe, one end of which is connected to the delivery pipe, and the other end of which penetrates the pressure display chamber and is inserted into the electrical chamber; a pressure control valve, the pressure control valve being in communication with the air intake pipe; A purge pipe, the output end of which is connected to the other end of the air inlet pipe, and the output end of which is arranged directly opposite to the electrical room; a first connecting pipe, the first connecting pipe is arranged between the electrical chamber and the catalytic chamber, and is used for connecting the electrical chamber and the catalytic chamber; a second communicating pipe, the second communicating pipe being arranged between the catalytic chamber and the mixing chamber and being used for communicating the catalytic chamber and the mixing chamber; An air outlet pipe is located in the mixing chamber, one end of the air outlet pipe is connected to the second connecting pipe, and the other end passes through the mixing chamber and the pressure display chamber in sequence.

2. The positive pressure purge system according to claim 1, characterized in that: It also includes: a flow transmitter, which is communicated with the air outlet pipe.

3. The positive pressure purge system according to claim 2, characterized in that: The flow transmitter is located in the pressure display chamber.

4. The positive pressure purge system according to claim 1, characterized in that: It also includes: a differential pressure transmitter, which is connected to the second connecting pipe.

5. The positive pressure purge system according to claim 4, characterized in that: The differential pressure transmitter is located in the pressure display chamber.

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