CN211526083U

CN211526083U - Cooling water main pipeline with improved structure

Info

Publication number: CN211526083U
Application number: CN201922353786.6U
Authority: CN
Inventors: 张道安; 朱继强; 盛路路
Original assignee: Shanghai Ruimai Enterprise Management Consulting Co ltd
Current assignee: Shanghai Ruimai Enterprise Management Consulting Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a cooling water main pipeline with improved structure, which comprises a water inlet pipeline and a water return pipeline, wherein one end of the water inlet pipeline is provided with a water inlet blind flange, a water inlet flange hole is arranged on the water inlet blind flange, a first pipeline is arranged on the water inlet flange hole, and the first pipeline is connected with a gate valve; a water return blind flange is arranged at one end of the water return pipeline, a water return flange hole is formed in the water return blind flange, a second pipeline is arranged in the water return flange hole, and the second pipeline is connected with the gate valve; the new pipelines are respectively additionally arranged on the water inlet pipeline and the water return pipeline, so that a certain flow is kept in the whole cooling water main pipeline, and an anti-freezing effect is achieved.

Description

Cooling water main pipeline with improved structure

Technical Field

The utility model relates to a chemical pipeline field, concretely relates to improved structure's cooling water trunk line.

Background

In winter, various water pipelines and instruments on the chemical production site can cause frost cracking of pipelines or difficulty in operation of equipment due to low temperature, and in severe cases, potential safety hazards can be caused due to leakage.

The inventors of the present invention have found that during plant shutdowns, the commonly used freeze protection measures can be used to keep the flowing water in the cooling water main pipe from freezing, but the consumption of the cooling water is large. Or the method of directly emptying the water inlet main pipeline and the water return main pipeline is adopted, but the antifreezing effect is poor, and the leakage or frost cracking is easy to occur when the anti-freezing agent is reused. Therefore, it is necessary to develop a main cooling water pipe with improved structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem, provide a institutional advancement's cooling water trunk line, add respectively on inlet channel and return water pipeline and establish new pipeline, let and keep certain flow in the whole cooling water trunk line to play frost-proof effect.

In order to achieve the purpose, the utility model adopts the following technical scheme.

A cooling water main pipeline with an improved structure comprises a water inlet pipeline and a water return pipeline, wherein one end of the water inlet pipeline is provided with a water inlet blind flange, a water inlet flange hole is formed in the water inlet blind flange, a first pipeline is arranged in the water inlet flange hole, and the first pipeline is connected with a gate valve; and a water return blind flange is arranged at one end of the water return pipeline, a water return flange hole is formed in the water return blind flange, a second pipeline is arranged in the water return flange hole, and the second pipeline is connected with the gate valve.

Further, the first pipeline is a folded pipeline.

Further, the second pipeline is a folded pipeline.

Further, the diameter of the first pipeline is 32 mm-42 mm.

Further, the diameter of the second pipeline is 32 mm-42 mm.

Further, the wall thickness of the first pipeline is 3 mm-4 mm.

Further, the wall thickness of the second pipeline is 3 mm-4 mm.

Further, the first pipe comprises a first horizontal end and a first vertical end, the first horizontal end is in the same direction as the first pipe, and the first vertical end is perpendicular to the direction of the first pipe; the length of the first horizontal end is 150 mm-180 mm.

Further, the second pipe comprises a second horizontal end and a second vertical end, the second horizontal end is in the same direction as the second pipe, and the second vertical end is perpendicular to the second pipe; the length of the second horizontal end is 150 mm-180 mm.

Furthermore, the first pipeline and the second pipeline are provided with rock wool strips.

The utility model relates to a positive effect of institutional advancement's cooling water trunk line is:

(1) the utility model discloses an add respectively on inlet channel and return water pipe and establish first pipeline and second pipeline, add between first pipeline and second pipeline and establish the gate valve, let and keep certain flow in the whole cooling water trunk line to play frost-proof effect.

(2) The utility model is simple and easy to operate, need not add again and establish electric tracing and steam tracing, moreover, it is not fragile, need not arrange alone that personnel are on duty.

(3) The utility model discloses be provided with the rock wool strip on first pipeline and second pipeline, can play the frost-proof effect of heat preservation.

Drawings

Fig. 1 is a schematic structural diagram provided in the embodiment of the present invention.

The reference numerals in the figures are respectively:

1. a water inlet pipe; 2. a water return pipe; 3. a water inlet blind flange; 4. a first conduit; 5. a gate valve; 6. a backwater blind flange; 7. a second conduit.

Detailed Description

The following is given in connection with the accompanying drawings a specific embodiment of the cooling water main pipe of the present invention, but it should be pointed out that: the described embodiments are not intended to limit the practice of the invention. All adopt the utility model discloses a similar structure and similar change all should go into the utility model discloses a protection scope. The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the embodiments, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.

See fig. 1. A main cooling water pipeline with an improved structure comprises a water inlet pipeline 1 and a water return pipeline 2, wherein one end of the water inlet pipeline 1 is provided with a water inlet blind flange 3, a water inlet flange hole (not shown) is formed in the water inlet blind flange 3, a first pipeline 4 is arranged in the water inlet flange hole, and the first pipeline 4 is connected with a gate valve 5; one end of the water return pipeline 2 is provided with a water return blind flange 6, a water return flange hole (not shown) is formed in the water return blind flange 6, a second pipeline 7 is arranged on the water return flange hole, and the second pipeline 7 is connected with the gate valve 5. The first pipeline 4 and the second pipeline 7 are provided with rock wool strips (not shown), so that the effects of heat preservation and freeze prevention can be achieved.

The first pipe 4 comprises a first horizontal end (not shown) coinciding with the direction of the first pipe 4 and a first vertical end (not shown) perpendicular to the direction of the first pipe 4; the second duct 7 comprises a second horizontal end, which coincides with the direction of the second duct 7, and a second vertical end, which is perpendicular to the direction of the second duct 7.

The first pipeline 4 is a folded pipeline, and the folded angle of the first pipeline 4 is of an arc-shaped elbow structure. The second pipeline 7 is a folded pipeline, and the folded angle of the second pipeline 7 is of an arc-shaped elbow structure. The first pipeline 4 and the second pipeline 7 are made of carbon steel pipelines.

In this embodiment, the diameter of the first pipeline 4 and the second pipeline 7 is 32 mm, the wall thickness of the first pipeline 4 and the second pipeline 7 is 4 mm, the length of the first horizontal end is 150 mm, the length of the second horizontal end is 150 mm, and the gate valve 5 is DN 20. In another embodiment, the diameter of the first pipe 4 and the second pipe 7 is 32 mm, the wall thickness of the first pipe 4 and the second pipe 7 is 3 mm, the length of the first horizontal end is 100 mm, the length of the second horizontal end is 100 mm, and the gate valve 5 is DN20 gate valve 5. In another embodiment, the diameter of the first pipe 4 and the second pipe 7 is 42 mm, the wall thickness of the first pipe 4 and the second pipe 7 is 4 mm, the length of the first horizontal end is 200 mm, the length of the second horizontal end is 200 mm, and the gate valve 5 is DN20 gate valve 5. The diameters of the first pipeline 4 and the second pipeline 7 are related to the water inlet pipeline 1 and the water return pipeline 2, the wall thicknesses of the first pipeline 4 and the second pipeline 7 are related to the lengths of the first pipeline 4 and the second pipeline 7, the flow rate of the fluid and the like, the lengths of the first pipeline 4 and the second pipeline 7 are related to the diameters, the flow rates and the frost resistance ratios of the first pipeline 4 and the second pipeline 7, and the diameters can be adjusted according to actual conditions.

Claims

1. A cooling water main pipeline with an improved structure is characterized by comprising a water inlet pipeline and a water return pipeline, wherein one end of the water inlet pipeline is provided with a water inlet blind flange, a water inlet flange hole is formed in the water inlet blind flange, a first pipeline is arranged in the water inlet flange hole and is connected with a gate valve; and a water return blind flange is arranged at one end of the water return pipeline, a water return flange hole is formed in the water return blind flange, a second pipeline is arranged in the water return flange hole, and the second pipeline is connected with the gate valve.

2. The improved main cooling water conduit as claimed in claim 1, wherein the first conduit is a folded conduit.

3. The improved main cooling water conduit as claimed in claim 1, wherein the second conduit is a folded conduit.

4. The structurally improved main cooling water conduit according to claim 1, wherein the diameter of the first conduit is 32 mm to 42 mm.

5. The structurally improved main cooling water conduit according to claim 1, wherein the diameter of the second conduit is 32 mm to 42 mm.

6. The structurally improved main cooling water conduit according to claim 1, wherein the wall thickness of the first conduit is 3 mm to 4 mm.

7. The structurally improved main cooling water conduit according to claim 1, wherein the wall thickness of the second conduit is 3 mm to 4 mm.

8. The structurally improved main cooling water conduit according to claim 1, wherein the first conduit includes a first horizontal end aligned with the direction of the first conduit and a first vertical end perpendicular to the direction of the first conduit; the length of the first horizontal end is 150 mm-180 mm.

9. The structurally improved main cooling water conduit according to claim 1, wherein the second conduit includes a second horizontal end aligned with the direction of the second conduit and a second vertical end perpendicular to the direction of the second conduit; the length of the second horizontal end is 150 mm-180 mm.

10. The improved main cooling water pipe as claimed in claim 1, wherein a rock wool strip is provided on the first pipe and the second pipe.