Automatic purifying and purging structure

Abstract

The utility model discloses an automatic purifying and purging structure which comprises a movable box body, a side opening door is connected to the movable box body in a hinged mode, moving wheels are arranged at the bottom of the movable box body, a mounting hole is formed in one side of the movable box body, connecting pieces are fixedly arranged on the two sides of the mounting hole, and the connecting pieces are connected with the movable box body in a hinged mode. A blowing structure is detachably connected in the movable box body, the blowing structure comprises a buffer pipe and a blowing pipeline connected with the buffer pipe, and an outwards-extending blowing connecting end matched with the blowing pipeline is fixedly arranged on the side face of the movable box body; moving wheels arranged at the bottom of the movable box body are provided with telescopic structures. The device is automatically controlled by a PLC (programmable logic controller) in a use state, and meanwhile, in order to improve the mixing effect in the use state, a connecting passage is fixedly arranged on the fixed connecting end, and a jet pipe structure is arranged at the joint of the connecting passage and the fixed connecting end.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline compressed air purging, and in particular relates to an automatic purification and purging structure. Background Art

[0002] After the construction and installation of the gas pipeline is completed, the debris in the pipeline must be cleaned. The most commonly used cleaning method is gas booster blasting. Gas booster blasting is mostly used for pipelines that are not very long and have inconsistent pipe diameters. However, the operating pressure of the gas booster blasting method is high, the equipment is large and occupies a large area, and the safety requirements for the operation are also high. In addition, the blowing process requires more human resources and is inefficient. In addition, there are certain safety hazards when personnel perform pressure operations at the work site.

[0003] Due to the different application forms of pipelines in the existing technology, the use of pure gas sources cannot eliminate residual oxygen, water vapor or other impurities in the pipeline network. If these substances cannot be eliminated, the quality of the fluid transported through the streamline will be changed.

[0004] In view of the above factors, an automatic purification and purge structure is specially designed, which is automatically controlled by PLC when in use. At the same time, in order to facilitate increasing the mixing effect when in use, a connecting passage is fixedly provided on the fixed connection end, and the connection between the connecting passage and the fixed connection end is a jet tube structure. Utility Model Content

[0005] The purpose of the present utility model is to provide an automatic purification and purge structure to solve the problems raised in the above background technology.

[0006] The purpose of the utility model is achieved through the following technical solutions: an automatic purification and purge structure, comprising a movable box, the movable box is connected to a side door by a hinged manner, a movable wheel is provided at the bottom of the movable box, a mounting hole is opened on one side of the movable box, and connecting members are fixedly provided on both sides of the mounting hole;

[0007] The movable box is connected to a purge structure in a detachable manner, and the purge structure includes a buffer tube and a purge pipe connected to the buffer tube;

[0008] An outwardly extending purge connection end cooperating with the purge pipe is fixedly provided on the side surface of the movable box.

[0009] Furthermore, the movable wheels provided at the bottom of the movable box have a retractable structure.

[0010] Furthermore, the purge structure is installed on the steel structure truss and fixed by clamps.

[0011] Furthermore, the connecting pieces on both sides of the mounting hole are flange structures, and the connecting piece is located at one end outside the movable box and is detachably connected to the external compressed air source, and the connecting piece is located at one end inside the movable box and is detachably connected to the purge structure.

[0012] Furthermore, the purge pipe includes a fixed connection end and a detachable end connected to the fixed connection end;

[0013] The fixed connection ends are provided with a plurality of fixed connection ends to form an integral structure with the buffer tube, and the fixed connection ends are arranged at intervals;

[0014] One side of the detachable end is connected to the fixed connection end, and the other side of the detachable end is connected to the externally extended purge connection end.

[0015] Furthermore, the buffer tube is made of a steel structure material, one end of the buffer tube is closed, and the other end is connected to the mounting hole.

[0016] Furthermore, both the fixed connection end and the detachable end are provided with a solenoid valve, the solenoid valve on the detachable end is a normally closed solenoid valve, and the solenoid valve on the fixed connection end is a ball valve or a plate valve;

[0017] The solenoid valves provided on the fixed connection end and the detachable end are electrically connected to the PLC control cabinet via connecting lines.

[0018] Furthermore, a connecting passage is fixedly provided on the fixed connecting end, and the connection between the connecting passage and the fixed connecting end is a jet tube structure.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In order to facilitate height adjustment of the movable box through the telescopic structure when in use to match the pipeline to be purged, the movable wheel arranged at the bottom of the movable box has a telescopic structure, and the telescopic structure is a telescopic rod structure.

[0021] In order to facilitate automatic control by PLC in the use state, the utility model is provided with a solenoid valve on both the fixed connection end and the detachable end. The solenoid valve on the detachable end is a normally closed solenoid valve, and the solenoid valve on the fixed connection end is a ball valve or a plate valve.

[0022] In order to increase the mixing effect when in use, the utility model has a connecting passage fixedly provided on the fixed connecting end. The connection between the connecting passage and the fixed connecting end is a jet tube structure. The jet tube structure is located on the pipeline where the fixed connecting end is located for mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1This is a schematic diagram of the main view of the movable box of the utility model;

[0024] Figure 2 This is a schematic diagram of the connection between the buffer tube and the purge pipe of the utility model;

[0025] Figure 3 It is a side view schematic diagram of the utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the movable box of the utility model;

[0027] Figure 5 It is a schematic diagram of a connection path of the utility model. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] like Figure 1-5 As shown, an automatic purification and purge structure includes a movable box 1, a side door 2 is hingedly connected to the movable box 1, a movable wheel 3 is provided at the bottom of the movable box 1, a mounting hole is opened on one side of the movable box 1, and connectors are fixedly provided on both sides of the mounting hole;

[0030] The movable box 1 is detachably connected to a purge structure 4, which includes a buffer tube and a purge pipe connected to the buffer tube;

[0031] An outwardly extending purge connection end 6 cooperating with the purge pipe is fixedly provided on the side surface of the movable box 1 .

[0032] In order to facilitate height adjustment of the movable box through the telescopic structure when in use to match the pipeline to be purged, the movable wheel 3 arranged at the bottom of the movable box 1 has a telescopic structure, and the telescopic structure is a telescopic rod structure.

[0033] In order to facilitate detachable replacement in use, the purge structure 4 is installed on the steel structure truss and fixed by a clamp.

[0034] In order to facilitate inflation through an external air source during use, the connecting pieces on both sides of the mounting hole are flange structures, and the connecting piece is located at one end on the outside of the movable box body 1 and is detachably connected to the external compressed air source, and the connecting piece is located at one end on the inside of the movable box body 1 and is detachably connected to the purge structure 4.

[0035] In order to facilitate detachable installation in the use state, the purge pipe includes a fixed connection end 8 and a detachable end 9 connected to the fixed connection end 8;

[0036] The fixed connection ends 8 are provided with a plurality of fixed connection ends 8 to form an integral structure with the buffer tube, and the fixed connection ends 8 are arranged at intervals;

[0037] One side of the detachable end 9 is connected to the fixed connection end 8 , and the other side of the detachable end 9 is connected to the externally extended purge connection end 6 .

[0038] The buffer tube is made of a steel structure material, one end of the buffer tube is closed, and the other end is connected to the mounting hole.

[0039] In order to facilitate automatic control by PLC in use, solenoid valves are provided on both the fixed connection end 8 and the detachable end 9. The solenoid valve on the detachable end 9 is a normally closed solenoid valve, and the solenoid valve on the fixed connection end 8 is a ball valve or a plate valve.

[0040] The solenoid valves provided on the fixed connection end 8 and the detachable end 9 are electrically connected to a PLC control cabinet via a connecting line. The PLC control cabinet is provided inside or outside the movable box 1 .

[0041] In order to increase the mixing effect during use, a connecting passage 10 is fixedly provided on the fixed connecting end 8. The connection between the connecting passage 10 and the fixed connecting end 8 is a jet tube structure. The jet tube structure is located on the pipeline where the fixed connecting end 8 is located. The jet tube structure can be an ejector or a Venturi tube structure disclosed in the prior art.

[0042] The connecting passage 10 is connected to a nitrogen source outside the movable box. The connecting passage 10 serves as a nitrogen passage, and the connecting passage is used to mix nitrogen to purge the pipeline to eliminate residual oxygen, water vapor and other impurities in the pipeline network.

[0043] The connecting passage serves as an auxiliary nitrogen passage, and a solenoid valve is provided on the connecting passage. The solenoid valve is electrically connected to the PLC control cabinet (not shown in the rear end figure) through a connecting line.

[0044] The connecting passage 10 extends to the outside of the rear end of the movable box 1 .

[0045] The bottom of the movable box 1 of the present invention is provided with a movable wheel 3 for easy movement when in use. The outer side of the purge structure is connected to the external air source in a detachable manner. A purge pipe connected to the purge structure is provided inside the movable box 1. When the solenoid valve is opened, the external compressed air source 7 continuously supplies air. The mixed air source is extended from the outside through the detachable end pipe to the purge connection end 6 through the ejector structure and enters the pipe to be purged. Among them, a plurality of purge pipes are provided, and each purge pipe is provided with a solenoid valve that is independently controlled by a PLC control cabinet. When the solenoid valve on the detachable end 9 is closed (the solenoid valve provided on the fixed connection end is open), the external air source is inflated, and high-pressure gas is formed between the solenoid valve on the detachable end 9 and the external air source. When the pressure parameter is greater than or equal to the set maximum value, the solenoid valve on the detachable end 9 is opened, and the high-pressure gas instantly expands and is ejected from the solenoid valve outlet into the pipe to be purged. This cycle of purge is repeated several times to complete the purge of the pipe.

[0046] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0047] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An automatic purification and purge structure, characterized in that: The movable box (1) comprises a movable box body (1), the movable box body (1) is connected to a side door (2) in a hinged manner, a movable wheel (3) is provided at the bottom of the movable box body (1), a mounting hole is provided on one side of the movable box body (1), and connecting pieces are fixedly provided on both sides of the mounting hole; The movable box (1) is connected to a purge structure (4) in a detachable manner, and the purge structure (4) includes a buffer tube and a purge pipe connected to the buffer tube; An externally extending purge connection end (6) that cooperates with the purge pipe is fixedly provided on the side surface of the movable box (1).

2. The automatic purification and purge structure according to claim 1, characterized in that: The movable wheels (3) arranged at the bottom of the movable box (1) have a telescopic structure.

3. The automatic purification and purge structure according to claim 2, characterized in that: The purge structure (4) is installed on the steel structure truss and fixed by clamps.

4. The automatic purification and purge structure according to claim 3, characterized in that: The connecting pieces on both sides of the mounting hole are flange structures, and the connecting piece is located at one end outside the movable box (1) and is detachably connected to the external compressed air source, and the connecting piece is located at one end inside the movable box (1) and is detachably connected to the purge structure (4).

5. The automatic purification and purging structure according to claim 4, characterized in that: The purge pipe comprises a fixed connection end (8) and a detachable end (9) connected to the fixed connection end (8); The fixed connection ends (8) are provided with a plurality of fixed connection ends (8) to form an integral structure with the buffer tube, and the fixed connection ends (8) are arranged at intervals; One side of the detachable end (9) is connected to the fixed connection end (8), and the other side of the detachable end (9) is connected to the externally extended purge connection end (6).

6. The automatic purification and purge structure according to claim 5, characterized in that: The buffer tube is made of a steel structure material, one end of the buffer tube is closed, and the other end is connected to the mounting hole.

7. The automatic purification and purge structure according to claim 6, characterized in that: The fixed connection end (8) and the detachable end (9) are both provided with solenoid valves, the solenoid valve on the detachable end (9) is a normally closed solenoid valve, and the solenoid valve on the fixed connection end (8) is a ball valve or a plate valve; The solenoid valves provided on the fixed connection end (8) and the detachable end (9) are electrically connected to the PLC control cabinet via a connecting line.

8. The automatic purification and purging structure according to claim 7, characterized in that: A connecting passage (10) is fixedly provided on the fixed connecting end (8), and the connection between the connecting passage (10) and the fixed connecting end (8) is a jet tube structure.

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