Drain pipe special for lead-plastic composite protection

Through the design of wrapping lead plates on the outside of the drainage pipe and filling with foaming agent, the problem of short service life and complex construction of the drainage pipe in the nuclear medicine district is solved, and efficient radiation protection, sound insulation and thermal insulation effects are achieved to meet construction requirements.

CN223242284UActive Publication Date: 2025-08-19居里医疗产业发展(河北)有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422792215.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-08-19
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The existing Nuclear Medical District Nuclear Ward Bathroom drainage pipe has a short service life and poor corrosion resistance. It also has a long construction cycle when wrapping lead plates on the construction site and does not have thermal insulation performance.

Method used

The outer side of the PVC pipe is used to wrap the lead plate, and the foaming agent is filled with the lead plate and the stainless steel decorative sleeve as the insulation layer. The outermost layer is the stainless steel decorative sleeve, forming a ring sleeve structure, and the support rod and connecting flange are used for support and protection.

Benefits of technology

While meeting the radiation protection standards, it improves service life, has sound insulation and thermal insulation performance, and is easy to install, meeting the requirements of surface installation and pre-embedding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223242284U_ABST
    Figure CN223242284U_ABST
Patent Text Reader

Abstract

The utility model discloses a special drainage pipe for lead-plastic composite protection, which comprises a drainage pipe, a butt joint seat, a support rod, a front seat and a connecting flange, the side end of the drainage pipe is fixedly connected with the butt joint seat, the side end of the butt joint seat is fixedly connected with the front seat through the support rod, the side end of the front seat is fixedly connected with the connecting flange, and the connecting flange is communicated with the drainage pipe. The drainage pipe comprises a PVC pipeline, a Pb lead plate, a foaming agent filling layer and a 304 stainless steel plate decoration sleeve, the foaming agent filling layer is fixedly connected to the inner layer of the 304 stainless steel plate decoration sleeve, the Pb lead plate is fixedly connected to the inner layer of the foaming agent filling layer, and the PVC pipeline is fixedly connected to the inner layer of the Pb lead plate. The utility model relates to a drainage pipe special for lead-plastic composite protection, which achieves the purpose of protection type drainage treatment through the arrangement of the structure.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipe equipment, in particular to a special drainage pipe for lead-plastic composite protection. Background Art

[0002] The existing drainage pipes in the bathrooms of the nuclear medicine area's radionuclide wards are all connected to the decay pool using ordinary metal pipes. In order to meet the requirements of radiation protection, lead plates are glued to the outer layer of the pipes for protection. However, they have poor corrosion resistance after long-term use. Now, a special drainage pipe with a diameter of 110 mm and a wall thickness of 3.2 mm is compounded with lead. It has a long service life, strong corrosion resistance, and excellent thermal insulation and sound insulation performance, which has solved this technical problem.

[0003] The internal structure of the lead-plastic composite protective drainage pipe is a 3-meter-long, 110-mm-diameter, 3.2-mm-walled PVC pipe with a lead plate pasted on the outside. A layer of stainless steel decorative casing is added to the outside of the lead plate. Foaming agent is added between the lead plate and the casing as a thermal insulation and sound insulation layer. The outermost layer is a stainless steel decorative casing, which not only meets the testing standards for radiation protection, but also meets the requirements of sound insulation, heat preservation, long service life, corrosion resistance, and meets the requirements of open installation and pre-buried installation.

[0004] Lead-plastic composite protective drainage pipes can be customized according to design requirements and processed in the workshop. They can then be cut to the actual length on site, welded and installed, making the operation simple and convenient. Utility Model Content

[0005] The purpose of the utility model is to provide a lead-plastic composite protective special drainage pipe to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a lead-plastic composite protective special drain pipe, comprising a drain pipe 1, a docking seat 2, a support rod 3, a front seat 4 and a connecting flange 5, wherein the side end of the drain pipe 1 is fixedly connected to the docking seat 2, the side end of the docking seat 2 is fixedly connected to the front seat 4 via the support rod 3, the side end of the front seat 4 is fixedly connected to the connecting flange 5, and the connecting flange 5 is in communication with the drain pipe 1;

[0007] The drainage pipe 1 includes a PVC pipe 6, a Pb lead plate 7, a foaming agent filling layer 8 and a 304 stainless steel plate decorative sleeve 9. The inner layer of the 304 stainless steel plate decorative sleeve 9 is fixedly connected to the foaming agent filling layer 8, the inner layer of the foaming agent filling layer 8 is fixedly connected to the Pb lead plate 7, and the inner layer of the Pb lead plate 7 is fixedly connected to the PVC pipe 6.

[0008] Specifically, the PVC pipe 6, the Pb lead plate 7, the foaming agent filling layer 8, and the 304 stainless steel plate decorative sleeve 9 are arranged in a ring-shaped manner.

[0009] Specifically, the drain pipe 1 is connected to the outside through the connecting flange 5 .

[0010] Specifically, the docking seat 2 , the support rod 3 , and the front seat 4 are used to support and protect the connecting flange 5 .

[0011] Specifically, the PVC pipe 6 is 3.2 mm thick and has a diameter of 110 mm, the foaming agent filling layer 8 is 20 mm thick, the 304 stainless steel decorative sleeve 9 is 0.5 mm thick, and the Pb lead plate 7 joint overlaps 20 mm.

[0012] Specifically, the Pb lead plate 7 is set to be 5 mm thick.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The lead-plastic composite protective drainage pipe uses a lead plate wrapped around the outside of a 110mm diameter PVC pipe, and a layer of stainless steel decorative casing is added to the outside of the lead plate. A foaming agent is added between the lead plate and the casing as a thermal insulation and sound insulation layer. The outermost layer is a stainless steel decorative casing, which not only meets the detection standards for radiation protection, but also meets the requirements of sound insulation, heat preservation, long service life, corrosion resistance, and meets the requirements of open installation and pre-buried installation. The installation method, open installation, sound insulation and heat preservation are overall beautiful, and the main fixation is bracket bolts, which is convenient and simple. The lead-plastic composite protective drainage pipe can be installed openly or buried in the ground cushion layer according to design requirements.

[0015] The key point of the lead-plastic composite protective drainage pipe is that it solves the problems of short service life of ordinary metal water pipes, long construction period of lead plate wrapping at the construction site, lack of insulation and sound insulation. The technology of the lead-plastic composite protective pipe can not only meet the overall protection requirements, but also meet the national control and acceptance standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a three-dimensional diagram of the drainage pipe of the utility model;

[0018] Figure 3 For this utility model Figure 2 Cross-sectional view of CC in .

[0019] In the figure: 1-drainage pipe; 2-docking seat; 3-support rod; 4-front seat; 5-connecting flange; 6-PVC pipe; 7-Pb lead plate; 8-foaming agent filling layer; 9-304 stainless steel plate decorative sleeve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-3 The utility model provides a technical solution: a lead-plastic composite protective special drain pipe, comprising a drain pipe 1, a docking seat 2, a support rod 3, a front seat 4 and a connecting flange 5. The side end of the drain pipe 1 is fixedly connected to the docking seat 2, the side end of the docking seat 2 is fixedly connected to the front seat 4 through the support rod 3, the side end of the front seat 4 is fixedly connected to the connecting flange 5, and the connecting flange 5 is communicated with the drain pipe 1;

[0022] The drainage pipe 1 includes a PVC pipe 6, a Pb lead plate 7, a foaming agent filling layer 8 and a 304 stainless steel plate decorative sleeve 9. The inner layer of the 304 stainless steel plate decorative sleeve 9 is fixedly connected to the foaming agent filling layer 8, the inner layer of the foaming agent filling layer 8 is fixedly connected to the Pb lead plate 7, and the inner layer of the Pb lead plate 7 is fixedly connected to the PVC pipe 6.

[0023] The PVC pipe 6, the Pb lead plate 7, the foaming agent filling layer 8, and the 304 stainless steel plate decorative sleeve 9 are arranged in a ring sleeve type.

[0024] The drain pipe 1 is connected to the outside world through the connecting flange 5.

[0025] The docking seat 2, the support rod 3, and the front seat 4 are used to support and protect the connecting flange 5.

[0026] The PVC pipe 6 is 3.2 mm thick and has a diameter of 110 mm. The foaming agent filling layer 8 is 20 mm thick. The 304 stainless steel decorative sleeve 9 is 0.5 mm thick. The Pb lead plate 7 joint overlaps 20 mm.

[0027] The Pb lead plate 7 is set to be 5 mm thick.

[0028] Working principle: When work is needed, the side end of the drain pipe 1 can support and protect the connecting flange 5 through the docking seat 2, support rod 3, and front seat 4, and the drain pipe 1 is connected to the connecting flange 5, and drainage treatment work is carried out through the drain pipe 1 and the connecting flange 5. The drain pipe 1 includes a PVC pipe 6, a Pb lead plate 7, a foaming agent filling layer 8 and a 304 stainless steel plate decorative sleeve 9. It adopts a ring sleeve design, which can better perform protection work. The lead-plastic composite protective drain pipe adopts a lead plate wrapped around the outside of a 110 mm diameter PVC pipe, and a layer of stainless steel decorative sleeve is added to the outside of the lead plate. Foaming agent is added between the lead plate and the sleeve as a thermal insulation and sound insulation layer. The outermost layer is a stainless steel decorative sleeve, which not only meets the detection standards of radiation protection, but also meets the requirements of sound insulation, heat preservation, long service life, corrosion resistance, and meets the requirements of open installation and pre-buried installation. The installation method is that the open installation sound insulation and heat preservation are beautiful as a whole, and the fixation is mainly fixed with bracket bolts, which is convenient and simple. Lead-plastic composite protective drainage pipes can be installed openly or embedded in the ground cushion layer according to design requirements. The key point of lead-plastic composite protective drainage pipes is that they solve the problems of short service life of ordinary metal water pipes, long construction period of lead plate wrapping at the construction site, lack of insulation and sound insulation. The technology of lead-plastic composite protective pipes can not only meet the overall protection requirements, but also meet the national control and acceptance standards to complete the work.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Lead-plastic composite protection special drainage pipe, characterized by: The invention comprises a drainage pipe (1), a docking seat (2), a support rod (3), a front seat (4) and a connecting flange (5); the side end of the drainage pipe (1) is fixedly connected to the docking seat (2); the side end of the docking seat (2) is fixedly connected to the front seat (4) via the support rod (3); the side end of the front seat (4) is fixedly connected to the connecting flange (5); and the connecting flange (5) is communicated with the drainage pipe (1); The drainage pipe (1) comprises a PVC pipe (6), a Pb lead plate (7), a foaming agent filling layer (8) and a 304 stainless steel plate decorative sleeve (9); the inner layer of the 304 stainless steel plate decorative sleeve (9) is fixedly connected to the foaming agent filling layer (8); the inner layer of the foaming agent filling layer (8) is fixedly connected to the Pb lead plate (7); and the inner layer of the Pb lead plate (7) is fixedly connected to the PVC pipe (6).

2. The lead-plastic composite protective special drainage pipe according to claim 1, characterized in that: The PVC pipe (6), Pb lead plate (7), foaming agent filling layer (8), and 304 stainless steel plate decorative sleeve (9) are arranged in a ring-shaped manner.

3. The lead-plastic composite protective special drainage pipe according to claim 2, characterized in that: The drainage pipe (1) is connected to the outside world via a connecting flange (5).

4. The lead-plastic composite protective special drainage pipe according to claim 3 is characterized in that: The docking seat (2), the supporting rod (3), and the front seat (4) are used for supporting and protecting the connecting flange (5).

5. The lead-plastic composite protective special drainage pipe according to claim 4 is characterized in that: The PVC pipe (6) is 3.2 mm thick and has a diameter of 110 mm. The foaming agent filling layer (8) has a thickness of 20 mm. The 304 stainless steel decorative sleeve (9) has a thickness of 0.5 mm. The Pb lead plate (7) joint overlaps by 20 mm.

6. The lead-plastic composite protective special drainage pipe according to claim 5, characterized in that: The Pb lead plate (7) is set to have a thickness of 5 mm.