Green and environment-friendly union three-way box for chemical pipeline

By designing a green and environmentally friendly tee box for chemical pipelines, the problem of tee joint leakage has been solved, achieving safe protection for flammable, explosive and toxic chemicals. It also has remote monitoring and alarm functions, and improves the reliability and tensile strength of the connection.

CN223469913UActive Publication Date: 2025-10-24SUZHOU ZHONGYUAN M&E INSTALLATION CO LTD
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Patent Information

Application Number
CN202422831448.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-24
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing tee fittings are prone to leakage in chemical pipelines, leading to potential safety hazards and environmental pollution, and existing protective measures are insufficient.

Method used

A green and environmentally friendly union tee box for chemical pipelines was designed, including a PFA union tee, a locking cap, a PFA hose, an electric diaphragm valve, and a tee box. The sealing design of the locking cap, the monitoring and alarm function of the electric diaphragm valve, and the support structure of the bracket enhance the connection sealing and leakage detection capabilities.

Benefits of technology

It effectively prevents leakage of the tee joint, provides safety protection against flammable, explosive and toxic chemicals, has remote monitoring and alarm functions, improves the reliability and tensile strength of the connection, and reduces the risk of environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of protective components, and discloses a green and environment-friendly union tee box for chemical pipelines, which comprises a PFA union tee, three ports of the PFA union tee are respectively provided with a locking cap, and the three ports of the PFA union tee are connected with a PFA hose through the locking caps; a three-way box is installed on the outer side of the PFA union tee joint, the PFA hose penetrates through the three-way box and then is communicated with the PFA union tee joint, installation supports are installed on the two sides of the back side of the three-way box, a step is arranged on the top of the three-way box, two opening and closing doors are installed on the top of the three-way box in a hinged mode, and handles are installed on the opening and closing doors. A guide rail is installed on the back side of the interior of the three-way box, two sliding blocks are installed on the guide rail in a sliding mode, the sliding blocks are in threaded connection with locking nuts, the sliding blocks are connected with a straight rod, the straight rod is provided with a fast-assembly hoop, the PFA union tee joint is located in the fast-assembly hoop, and an electric diaphragm valve is installed at the bottom in the three-way box.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protection assembly, specifically relates to a chemical pipeline green environmental protection's by the tee box. BACKGROUND

[0002] At present, in the construction of silicon solar cell factory, liquid crystal display and integrated circuit factory, the various acids, alkalis and other chemicals used in the cleaning process need to be transported through the pipeline system, and a large part of the chemical liquid is flammable, explosive and toxic liquid (such as hydrochloric acid, nitric acid, sulfuric acid, hydrofluoric acid, potassium hydroxide, etc.), once leakage occurs, it will cause serious personal injury, equipment damage and environmental pollution.

[0003] Three-way joints are often used at the branch of the pipeline, even if the sealing is good, after a period of use, the leakage problem of the three-way joint connection will inevitably occur, so how to prevent this leakage is also a problem that needs to be considered at present. UTILITY MODEL CONTENTS

[0004] In view of the problems in the above background art, the purpose of the utility model is to provide a chemical pipeline green environmental protection's by the tee box.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] A chemical pipeline green environmental protection's by the tee box, comprising a PFA tee, three ports of the PFA tee are provided with locking caps, and the three ports of the PFA tee are connected with PFA hoses through the locking caps.

[0007] The PFA tee is provided with a tee box outside, the PFA hoses are in communication with the PFA tee after penetrating through the tee box, mounting brackets are installed on the back side of the tee box, a step is arranged on the top of the tee box, two hinged doors are installed on the top of the tee box, the hinged doors are overlapped on the step, handles are installed on the hinged doors, guide rails are installed on the back side of the tee box, two sliding blocks are slidingly installed on the guide rails, locking nuts are threadedly connected with the sliding blocks, the end of the locking nut is in contact with the guide rail, straight rods are connected with the sliding blocks, quick mounting clamps are installed on the straight rods, the PFA tee is located in the quick mounting clamp, and an electric diaphragm valve is installed on the bottom of the tee box.

[0008] Further limited, a soft sealing tube is matched and installed in the locking cap, when the locking cap is rotated and installed, the soft sealing tube is extruded, so that the soft sealing tube has a sealing effect, and the connection sealing between the PFA hose and the PFA tee is strengthened.

[0009] Further limit, the inner bottom of the tee box is inclined, and the detection end of the electric diaphragm valve is located at the lowest part of the inclined surface, so that when leakage occurs, the liquid can be collected at the lowest part of the inclined surface, facilitating detection of the electric diaphragm valve.

[0010] Further limit, the three connecting ports of the tee box are connected with PVC direct heads, and the transparent PVC pipes are sleeved outside the PFA hoses, so that the transparent PVC pipes can protect the PFA hoses.

[0011] Further limit, the butt joint ends of the two opening and closing doors are respectively provided with protrusions and notches, and the protrusions are overlapped on the notches, so that after the two opening and closing doors are closed, dust is not easy to enter the inside of the tee box from the gap between the two opening and closing doors.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model discloses a structure design, and a tee box is arranged outside the PFA tee joint, so that even if leakage occurs at the connecting position of the PFA tee joint, the tee box can also be protected, and further, under the effect of the electric diaphragm valve, the purpose of monitoring and alarming is realized, and according to the function of the electric diaphragm valve, the purpose of remote monitoring can also be realized, and the protection effect is ensured.

[0014] The utility model discloses a structure design, and the PFA tee joint is limited by the quick mounting hoop, so when one of the connected pipelines is pulled, the other two ports of the PFA tee joint will not be affected, the reliability of connection is ensured, and further, because the tee box is supported by the mounting bracket, the PFA tee joint fixed in the tee box is also supported correspondingly, so that the PFA tee joint will not be sagged at this position, and the ability of resisting pulling in the direction of the three ports is also possessed, and the connection strength is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.

[0016] Figure 1 It is a structure schematic view of the utility model chemical pipeline green environmental protection tee joint box embodiment;

[0017] Figure 2 It is an internal structure schematic view of the utility model chemical pipeline green environmental protection tee joint box embodiment;

[0018] Figure 3 It is a cross-sectional structure schematic view of the utility model chemical pipeline green environmental protection tee joint box embodiment;

[0019] The main element symbol explanations are as follows:

[0020] PFA tee 1; locking cap 2; PFA hose 3; tee box 4; mounting bracket 5; step 6; opening and closing door 7; handle 8; guide rail 9; sliding block 10; locking nut 11; straight rod 12; quick mounting hoop 13; electric diaphragm valve 14; soft sealing pipe body 15; PVC direct head 16; protrusion 17; notch 18. DETAILED DESCRIPTION

[0021] In order to make the skilled in the art can better understand the utility model, the following combining with the embodiment and the utility model technical scheme are further explained.

[0022] Example one:

[0023] As Figure 1 , Figure 2 , Figure 3 Indicated, a kind of chemical pipeline green environmental protection by tee box of the utility model, including PFA tee 1, the three ports of PFA tee 1 are equipped with locking cap 2, the three ports of PFA tee 1 are connected with PFA hose 3 by locking cap 2;

[0024] PFA tee 1 outside is equipped with tee box 4, PFA hose 3 is communicated with PFA tee 1 after penetrating tee box 4, tee box 4 back side two sides are equipped with mounting bracket 5, tee box 4 top is equipped with step 6, tee box 4 top is hingedly installed with two opening and closing doors 7, opening and closing door 7 overlaps on step 6, opening and closing door 7 is equipped with handle 8, tee box 4 inside back side is equipped with guide rail 9, guide rail 9 is slidably installed with two sliding blocks 10, sliding block 10 is threadedly connected with locking nut 11, locking nut 11 end contacts on guide rail 9, sliding block 10 is connected with straight rod 12, straight rod 12 is equipped with quick mounting hoop 13, PFA tee 1 is located in quick mounting hoop 13, tee box 4 inner bottom is equipped with electric diaphragm valve 14.

[0025] In the embodiment, PFA tee 1 three ends are respectively connected with output end equipment and input end equipment by PFA hose 3;After connection, two quick mounting hoops 13 are clamped and fixed on PFA tee 1, then sliding block 10 is fixed on guide rail 9 by locking nut 11, the fixation of PFA tee 1 is completed, the sliding installation of sliding block 10 on guide rail 9 makes sliding block 10 have sliding adjustment ability, and then adapts to the fixation of PFA tee 1 of different positions and different specifications and sizes in tee box 4.

[0026] When leakage occurs, the leaked liquid will gather on the inner bottom of tee box 1, and the electric diaphragm valve 14 will be monitored to alarm, so that relevant personnel can handle it;

[0027] The PFA makes the tee 1 fixed by the tee box 4, and the tee box 4 is fixed by the mounting bracket 5. Therefore, the PFA makes the tee 1 also have the ability to resist pulling, and the problem of the connection end sinking will not occur. It is beneficial to resist the impact of the internal liquid and ensure the straightness of the PFA hose 3 connected to the two ports in the horizontal direction.

[0028] Example 2:

[0029] like Figure 3 As shown, the locking cap 2 is fitted with a soft sealing tube 15. This design squeezes the soft sealing tube 15 when the locking cap 2 is twisted and installed, creating a seal that strengthens the connection between the PFA hose 3 and the PFA guide tee 1.

[0030] In this embodiment, the main function of the soft sealing tube 15 is sealing, and the sealing measures can be selected according to the specific situation.

[0031] Example 3:

[0032] like Figure 3 As shown, the bottom of the three-way box 4 is inclined, and the detection end of the electric diaphragm valve 14 is located at the lowest point of the inclined surface. With this design, when leakage occurs, the liquid will gather at the lowest point of the inclined surface, which is conducive to the detection of the electric diaphragm valve 14.

[0033] In this embodiment, the inclined surface has a drainage effect on the liquid, and the slope of the inclined surface can be selected and changed according to the size of the internal space of the three-way box 4.

[0034] Example 4:

[0035] like Figure 1 、 Figure 2 、 Figure 3 As shown, the three connection ports of the three-way box 4 are all connected to PVC direct connectors 16, and the PVC direct connector 16 is connected to a transparent PVC tube sleeved on the outside of the PFA hose 3. With this design, the transparent PVC tube can protect the PFA hose 3.

[0036] In this embodiment, the transparent PVC tube plays a protective role for the PFA hose 3 and can also realize the role of a double-layer pipe. Furthermore, when the PFA hose 3 is damaged and leaks, the leaked liquid can also flow into the three-way box 4 through the transparent PVC tube, and be detected by the electric diaphragm valve 14 inside the three-way box 4 and issue an alarm.

[0037] Embodiment 5:

[0038] like Figure 3As shown, the butt joint ends of the two shutters 7 are respectively provided with a protrusion 17 and a notch 18, and the protrusion 17 is overlapped on the notch 18, so that after the two shutters 7 are closed, dust is not easy to enter the inside of the tee box 4 from the gap between the two shutters 7.

[0039] In the embodiment, the dustproof measures between the shutters 7 can be changed according to specific conditions.

[0040] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the utility model should be covered by the claims of the utility model.

Claims

1. A green and environment-friendly chemical pipeline tee box, comprising a PFA tee (1), characterized in that: The PFA tee joint (1) is provided with a locking cap (2) on each of the three ports, and the PFA tee joint (1) is connected with a PFA hose (3) through the locking cap (2); The PFA tee joint (1) is provided with a tee box (4) outside, the PFA hose (3) penetrates through the tee box (4) and communicates with the PFA tee joint (1), the tee box (4) is provided with a step (6) on the top, two hinged doors (7) are installed on the top of the tee box (4), the hinged doors (7) are overlapped on the step (6), the hinged doors (7) are provided with handles (8), the tee box (4) is provided with a guide rail (9) on the back side, the guide rail (9) is provided with two sliding blocks (10), the sliding blocks (10) are provided with locking nuts (11), the locking nuts (11) are in contact with the guide rail (9), the sliding blocks (10) are provided with straight rods (12), the straight rods (12) are provided with quick mounting hoops (13), the PFA tee joint (1) is located in the quick mounting hoops (13), and the tee box (4) is provided with an electric diaphragm valve (14) on the bottom.

2. The green environmental protection tee box for chemical pipeline according to claim 1, characterized in that: The locking cap (2) is matched with a soft sealing tube (15) inside.

3. The green environmental protection tee box for chemical pipeline according to claim 2, characterized in that: The bottom of the tee box (4) is inclined, and the detection end of the electric diaphragm valve (14) is located at the lowest part of the inclined surface.

4. The green environmental protection tee box for chemical pipeline according to claim 3, characterized in that: The tee box (4) is provided with a PVC direct head (16) on each of the three connection ports, and the PVC direct head (16) is connected with a transparent PVC pipe sleeved outside the PFA hose (3).

5. The green environmental protection chemical pipeline tee box according to claim 4, characterized in that: The abutting ends of the two hinged doors (7) are respectively provided with a protrusion (17) and a notch (18), and the protrusion (17) is overlapped on the notch (18).