CN112538865A

CN112538865A - Automatic dehumidification system of underground comprehensive pipe gallery

Info

Publication number: CN112538865A
Application number: CN202011154341.6A
Authority: CN
Inventors: 侯强; 郭晋; 吴红君
Original assignee: Sichuan Joyou Digital Technology Co ltd
Current assignee: Sichuan Joyou Digital Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-03-23
Anticipated expiration: 2040-10-26
Also published as: CN112538865B

Abstract

The invention discloses an automatic dehumidification system of an underground comprehensive pipe gallery, which comprises a pipeline, wherein a layer of antirust paint layer is coated on the surface of the pipeline, a water absorption outer sleeve is further sleeved on the outer surface of a waterproof paint layer of the pipeline, the water absorption outer sleeve comprises a fixed sleeve with a section in a major arc shape, the inner surface of the fixed sleeve is smooth and is sleeved on the surface of the waterproof paint layer of the pipeline, a water blocking layer is coated on the outer surface of the fixed sleeve, a capillary structure matched with the outer surface of the fixed sleeve is arranged on the surface of the water blocking layer, water guide plates are detachably connected to two sides of a gap of the fixed sleeve, the bottom sides of the water guide plates are inclined, the bottom sides of the water guide plates are turned upwards to form water guide grooves, the lower ends of. The invention realizes the heat exchange of the entering damp and hot air by adding the fixed sleeve on the original pipeline, converts the cooled damp and hot air into water drops, and discharges the water drops out of the pipe gallery to complete the dehumidification work in the pipe gallery, and the invention has good dehumidification effect and low dehumidification cost.

Description

Automatic dehumidification system of underground comprehensive pipe gallery

Technical Field

The invention belongs to the technical field of dehumidification of pipe galleries, and particularly relates to an automatic dehumidification system of an underground comprehensive pipe gallery.

Background

The utility tunnel is a tunnel space built underground in a city, integrates various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and is provided with a special access hole, a lifting hole and a monitoring system, and implements unified planning, design, construction and management. The power, communication, gas, heat supply, water supply and drainage are separated by the partition plates in the underground pipe gallery and divided into function subareas, wherein the space of the function subareas for water supply and drainage is the largest, and the temperature of the water supply and drainage function areas is lower because the water supply and drainage are cold water pipes and the pipe gallery is arranged underground; summer outside air is moist, and the temperature is higher, when taking a breath in the piping lane, inside the wet hot-air admission piping lane of outside that brings, because the temperature is lower in the piping lane, outside wet hot-air contact cooling air in the piping lane after, can condense into water, attached to the surface of delivery pipe, drain pipe and corridor wall, cause corridor wall corrosion ageing, delivery pipe and drain pipe surface corrosion etc. has seriously influenced the normal operational environment of piping lane.

Most underground pipe galleries are coated with a layer of antirust paint on the outer wall surfaces of the gallery walls and the pipelines, wherein the antirust paint is a hydrophobic substance which can prevent water from condensing and isolate water from contacting the surfaces of the pipelines. The mode only simply prevents water from contacting with the surfaces of pipelines and the wall of the corridor, does not play a role in dehumidification, and needs to independently set a large amount of equipment special for dehumidification, so that the construction cost and the operation and maintenance cost of the pipe corridor are increased.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an automatic dehumidification system of an underground comprehensive pipe gallery, aiming at the defects of the prior art, the automatic dehumidification system is based on the existing water supply and drainage pipelines, realizes the automatic dehumidification in the pipe gallery, has good dehumidification effect, ensures the normal working environment in the pipe gallery, reduces a large amount of special dehumidification equipment, and reduces the operation and maintenance cost of the pipe gallery.

The technical scheme adopted by the invention is as follows: the utility model provides an automatic dehumidification system of underground utility tunnel, includes the pipeline, the pipeline surface coating has one deck waterproof paint layer, the waterproof paint layer outward appearance of pipeline still overlaps and is equipped with the overcoat that absorbs water, the overcoat that absorbs water includes that the cross-section is the fixed cover of major arc form, and fixed cover internal surface is smooth and the suit has one deck water blocking layer at the waterproof paint layer surface of pipeline, and fixed cover surface covers has the capillary structure who matches with fixed cover surface on water blocking layer surface, the breach both sides of fixed cover can be dismantled and be connected with the water deflector, and the bottom side slope of water deflector, and the outside upturning of water deflector bottom side constitutes the guiding gutter, guiding gutter low-end department has the raceway through the hose connection, the raceway is laid in the piping lane to be located.

Preferably, the fixed sleeve is composed of two arc-shaped plates, a plurality of inserting holes and inserting buckles which are matched with each other are correspondingly arranged on the side walls of two opposite sides of the two arc-shaped plates, and the inserting holes and the inserting buckles on each arc-shaped plate are alternately arranged.

Preferably, each capillary tube of the capillary structure is coated with a hydrophilic adhesive tape.

Preferably, a flowmeter is arranged at the joint of the water delivery pipe and the hose, the hose is connected with a water inlet of the flowmeter, and a water outlet of the flowmeter is communicated with the inside of the water delivery pipe.

Preferably, the fixed sleeves are provided with a plurality of connecting holes and connecting buckles, the connecting holes and the connecting buckles are correspondingly arranged on the two opposite side walls of the adjacent fixed sleeves and matched with each other, and the connecting holes and the connecting buckles on each fixed sleeve are alternately arranged.

The invention has the beneficial effects that:

(1) the capillary structure is adopted and covered with the hydrophilic adhesive tape, so that moisture in the air can be adsorbed and condensed, the condensed moisture flows to the water guide plate through gaps among the capillary structures and is discharged through the water guide groove, and the aim of dehumidification is fulfilled;

(2) the fixing sleeve is used for heat transfer, after the damp and hot air is absorbed by the capillary structure and exchanges heat with the surface of the pipeline, the damp and hot air is condensed into water drops, water flow in the pipeline takes away heat, the water drops flow to the water guide plate through gaps among the capillary structures and are discharged through the water guide groove, and the aim of removing the damp and hot air is achieved;

(3) the water-blocking layer arranged on the outer surface of the fixing sleeve can effectively prevent condensed water drops from immersing, and improves the fluidity of the condensed water drops;

(4) the fixed sleeve is formed by splicing two arc-shaped plates, so that the installation and the disassembly are convenient, and the inner surface of the fixed sleeve can be more closely attached to the surface of a pipeline;

(5) the capillary structure is coated with hydrophilic adhesive tapes, so that the capillary structure is more hydrophilic and has better moisture adsorption effect;

(6) the flowmeter is arranged, so that the water quantity after moisture is converted into water can be monitored, and the moisture in the pipe gallery can be monitored;

(7) set up a plurality of fixed covers, portable gets into the piping lane, and a plurality of fixed covers directly adopt the concatenation simultaneously, can not influence its result of use after the concatenation, adopt the concatenation of a plurality of fixed covers simultaneously, also be convenient for reform transform the pipeline in the existing piping lane.

The invention realizes the heat exchange of the entering damp and hot air by adding the fixed sleeve on the original pipeline, converts the cooled damp and hot air into water drops, and discharges the water drops out of the pipe gallery to complete the dehumidification work in the pipe gallery, and the invention has good dehumidification effect and low dehumidification cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the pouch of the present invention;

fig. 4 is a general schematic view within a tube lane of the present invention.

In the figure: 1. a pipeline; 2. a waterproof paint layer; 3. fixing a sleeve; 4. a water resistant layer; 5. a capillary structure; 6. a water guide plate; 7. a water chute; 8. a water delivery pipe; 9. a jack; 10. inserting and buckling; 11. a hydrophilic adhesive tape; 12. a flow meter; 13. a connecting buckle; 14. and connecting the holes.

Detailed Description

The invention will be described in further detail with reference to the following drawings and specific embodiments.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the automatic dehumidification system of an underground utility tunnel provided by this embodiment includes a pipeline 1 pre-buried in the tunnel, mainly is a water supply and drainage pipeline 1, the surface of the pipeline 1 is treated by rust-proof treatment, and is coated with a waterproof paint layer 2, a fixing sleeve 3 is sleeved outside the pipeline 1 coated with the waterproof paint layer 2, the fixing sleeve 3 is composed of two arc-shaped plates, one opposite sides of the two arc-shaped plates are respectively provided with a corresponding matched jack 9 and a plug buckle 10, the jack 9 and the plug buckle 10 on the same arc-shaped plate are alternately arranged, after the pipeline 1 is tightly coated by the two arc-shaped plates, the plug buckle 10 is inserted through the jack 9 for fixing, the fixing sleeve 3 tightly attaching the pipeline 1 to the package is composed, one side of the fixing sleeve 3 tightly attached to the pipeline 1 is a smooth surface, the outer surface of the fixing sleeve 3 is coated with, the capillary structure 5 is composed of a plurality of capillaries vertical to the surface of the water-resistant layer 4, the outer wall of each capillary of the capillary structure 5 is wound with a hydrophilic adhesive tape 11 for coating the capillary, when the wet and hot air is exchanged in the pipe gallery, because the water flow flowing in the pipeline 1 is cold water, the fixing sleeve 3 tightly attached to the capillary structure is in a state with lower temperature, the wet and hot air realizes heat exchange after contacting the capillary structures 5 on the surface of the fixing sleeve 3 and the surface of the fixing sleeve 3, the heat is transferred into the pipeline 1 and is taken away by the water flow, the cooled wet and hot air is condensed into water drops to be attached to the surfaces of the capillary structure 5 and the fixing sleeve 3, because the water-resistant layer 4 is arranged, the condensed water drops can not permeate into the fixing sleeve 3, the condensed water drops on the capillary structure 5 slide on the surface of the water-resistant layer 4 along the capillaries, because the fixing sleeve 3 is of an arc-shaped structure, can slide downwards along the cambered surface; the outer wall of the capillary tube of the capillary structure 5 is coated with the hydrophilic adhesive tape 11, so that the hydrophilic adhesive tape has certain attraction and adsorption effects on moisture, and the capillary structure 5 is adopted, so that the phenomenon of capillary condensation can occur when the moisture is large, so that the moisture is converted into water drops and slides downwards along the surface of the fixed sleeve 3; two sides of the bottom notch of the fixed sleeve 3 are respectively clamped with a vertical water guide plate 6, the bottom side of the water guide plate 6 is in an inclined shape with one high end and the other low end, the bottom side of the water guide plate 6 is turned upwards to form an arc-shaped groove, the formed arc-shaped groove is a water guide groove 7, the lower end of the water guide groove 7 is connected with a hose, the other end of the hose is connected with a water delivery pipe 8, and a flowmeter 12 is arranged at the connection part of the water delivery pipe 8 and the hose; the water pipe 8 is located below the pipeline 1, so that converted water drops flow under the action of gravity and finally enter the water pipe 8, and the operation and maintenance cost of the dehumidification system is reduced.

Example 2

The embodiment is basically the same as the embodiment 1, only the number of the fixing sleeves 3 is changed, a plurality of fixing sleeves 3 are provided, a plurality of connecting holes 14 and connecting buckles 13 which are matched with each other are correspondingly provided on the side walls of two opposite sides of the adjacent fixing sleeves 3, and the connecting holes 14 and the connecting buckles 13 on each fixing sleeve 3 are alternately arranged; be convenient for like this send into the piping lane with fixed cover 3 segmentation in, and the workman's installation of being convenient for adopts the structure of segmentation simultaneously, also can reform transform inside the piping lane that has built now.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.

Claims

1. The utility model provides an automatic dehumidification system of utility tunnel, includes pipeline (1), and pipeline (1) surface coating has one deck waterproof paint layer (2), its characterized in that: the utility model discloses a pipeline, including pipeline (1), waterproof paint layer (2), the overcoat that absorbs water is fixed cover (3) that the cross-section is major arc shape including the outward appearance of waterproof paint layer (2), and fixed cover (3) internal surface is smooth and the suit has one deck water blocking layer (4) on waterproof paint layer (2) surface of pipeline (1), and fixed cover (3) surface covers, is equipped with capillary structure (5) that match with fixed cover (3) surface on water blocking layer (4) surface, the breach both sides of fixed cover (3) can be dismantled and be connected with water deflector (6), and the bottom side slope of water deflector (6), and water deflector (6) bottom side outwards upturns and constitutes guiding gutter (7), guiding gutter (7) low side department has conduit (8) through hose connection, conduit (8) are laid in the piping lane to be located the pipeline below.

2. The automatic dehumidification system of an underground utility tunnel according to claim 1, wherein: fixed cover (3) comprise two arcs, correspond on the relative both sides lateral wall of two arcs and be equipped with jack (9) and eye-splice (10) that the several matches each other, jack (9) and eye-splice (10) on every arc set up in turn.

3. An underground utility tunnel automatic dehumidification system according to claim 1 or 2, characterized in that: each capillary tube of the capillary structure (5) is coated with a layer of hydrophilic adhesive tape (11).

4. The automatic dehumidification system of an underground utility tunnel according to claim 3, wherein: the flowmeter (12) is arranged at the joint of the water pipe (8) and the hose, the hose is connected with the water inlet of the flowmeter (12), and the water outlet of the flowmeter (12) is communicated with the inside of the water pipe (8).

5. An underground utility tunnel automatic dehumidification system according to claim 1, 2 or 4, characterized in that: the fixing sleeve (3) is provided with a plurality of connecting holes (14) and connecting buckles (13) which are matched with each other and are correspondingly arranged on the side walls of two opposite sides of the adjacent fixing sleeve (3), and the connecting holes (14) and the connecting buckles (13) on each fixing sleeve (3) are alternately arranged.