CN211876271U

CN211876271U - Utility tunnel ventilation defogging system

Info

Publication number: CN211876271U
Application number: CN202020531697.6U
Authority: CN
Inventors: 闵云; 石小兵; 杜菲
Original assignee: Shanghai Jinxian Electromechanical Technology Co ltd
Current assignee: Shanghai Jinxian Electromechanical Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-06
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a utility tunnel ventilation defogging system in the technical field of the ventilation defogging of the pipe gallery, including the pipe gallery body, the ventilation defogger and lead to the outer tube etc., the ventilation defogger plays the effect of ventilation defogging in the pipe gallery body, before the maintainer need enter into the pipe gallery body, can open the ventilation defogging system, make operational environment good, first air compressor works, introduce outside air into a plurality of heat exchange tubes along leading through the outer tube, outside air discharges to the outside of the pipe gallery body after passing through in the heat exchange tube, simultaneously second air compressor works, can pump the air in the pipe gallery body into the heat exchange tank body along the leading through pipe, make relatively hotter air constantly circulate between the heat exchange tank body and the pipe gallery body, carry out the preheating treatment to the outside air in the heat exchange tube, after a certain time interval, through the preheated air enters into the pipe gallery body along the heat exchange tube, the ventilation and demisting functions are achieved in the pipe gallery body, and maintenance personnel can enter the pipe gallery at certain intervals.

Description

Utility tunnel ventilation defogging system

Technical Field

The utility model relates to a piping lane ventilation defogging technical field, specific field is a utility tunnel ventilation defogging system.

Background

The main place for laying the pipelines of the general large-scale device is composed of upright columns, cross beams and trusses of steel structures or reinforced concrete structures, and can be divided into single-layer or multi-layer according to types, and can be passed or not passed.

Utility tunnel belongs to underground closed structures, and the air does not circulate, and whenever maintainer goes the utility tunnel to patrol before, all can open exhaust equipment, gets into behind the utility tunnel ventilation, but the utility tunnel after the ventilation, because of the entering of outside cold air and its inside humidity is great and lead to the dewfall phenomenon serious, inside visibility is low, is unfavorable for maintainer to patrol, provides a utility tunnel ventilation defogging system for this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a utility tunnel ventilation defogging system to solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ventilation and demisting system for a comprehensive pipe rack comprises a pipe rack body, wherein a ventilation demister is arranged on the upper wall of the pipe rack body and comprises a heat exchange tank body, the lower end of the heat exchange tank body is fixedly connected with a support, the lower end of the support is fixedly connected with the upper wall of the pipe rack body, two end ports of the heat exchange tank body are fixedly connected with sealing plates, heat exchange pipes are uniformly and fixedly penetrated between the two sealing plates, a connecting shell is arranged on the sealing plates, the connecting shell and the sealing plates form a communicating chamber, two ends of each heat exchange pipe are respectively communicated with the communicating chambers on two sides, one end of a through outer pipe is communicated with the connecting shell on one side, the other end of the through outer pipe is communicated with the outside of the pipe rack body, a first air compressor is arranged on the through outer pipe, one end of a three-way pipe is communicated with the connecting shell on the other side, the other two ends of the three-way pipe are respectively communicated with the outside of the pipe gallery body and the upper wall of the pipe gallery body, a first electric control valve and a second electric control valve are respectively installed on the three-way pipe and the pipeline communicated with the outside of the pipe gallery body and the upper wall of the pipe gallery body, a conduction pipe is arranged between the heat exchange tank body and the pipe gallery body, a second air compressor is arranged on the conduction pipe, and the first air compressor, the first electric control valve, the second electric control valve and the second air compressor are all electrically connected with an external electric controller.

Preferably, the support includes the backup pad, the backup pad with the lateral wall fixed connection of the heat transfer jar body, the lower extreme symmetry fixedly connected with supporting legs of backup pad, the lower foot part of supporting legs with the upper wall bolted connection of piping lane body.

Preferably, the shape of the support plate is matched with the shape of the side wall of the heat exchange tank body.

Preferably, the second air compressor is installed at a position where the conduction pipe is communicated with the heat exchange tank body.

Preferably, a through hole is formed in the side wall of the heat exchange tank body and is communicated with the conduction pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a utility tunnel ventilation defogging system, the effect of ventilation defogging is played to this internal ventilation defogging that plays of ventilation defroster to the piping lane, and before maintainer needs to get into the piping lane is originally internal, can open ventilation defogging system, after this internal defogging that ventilates of piping lane, get into can, operational environment is good, and after the work finishes, close the ventilation defogging system can, utility tunnel ventilation defogging system working process is: start utility tunnel ventilation defogging system through automatically controlled ware, first air compressor work, with the outside air along leading to in the outer tube is leading-in to a plurality of heat transfer pipes, first automatically controlled valve is the open mode this moment, second automatically controlled valve is the closed condition, outside air discharges to the piping lane body outside through the back in the heat exchange tube, second air compressor work simultaneously, can take out this internal air of piping lane (relatively hotter) to the heat transfer jar internal along the conduction pipe, make relatively hotter air constantly circulate between the heat transfer jar body and piping lane body, carry out preheating treatment to the outside air in the heat transfer pipe, after the interval certain time, first automatically controlled valve is closed, second automatically controlled valve opens, it is internal that preheated air enters into the piping lane along the heat exchange tube, this internal effect that plays the ventilation defogging of piping lane, the interval certain time, maintainer gets into can.

Drawings

FIG. 1 is a sectional view of the main structure of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is a front view of the main structure of the present invention;

fig. 4 is a side view of the bracket of the present invention.

In the figure: the device comprises a pipe gallery body 1, a ventilation demister 2, a heat exchange tank 201, a support 202, a support plate 2021, a support 2022, a sealing plate 203, a heat exchange pipe 204, a connecting shell 205, an outer pipe 3, a first air compressor 4, a three-way pipe 5, a first electric control valve 6, a second electric control valve 7, a conduction pipe 8 and a second air compressor 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and back) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical direction of the present invention is not limited thereto.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: referring to fig. 1 and 3, a utility tunnel ventilation defogging system, a tunnel body 1, a ventilation defogger 2 is arranged on the upper wall of the tunnel body 1, the ventilation defogger 2 can perform the functions of ventilation defogging in the tunnel body 1, before maintenance personnel need to enter the tunnel body 1, the ventilation defogging system can be opened, after the maintenance personnel perform ventilation defogging in the tunnel body 1, the work environment is good, after the work is finished, the ventilation defogging system is closed, the ventilation defogging system 2 comprises a heat exchange tank body 201, the lower end of the heat exchange tank body 201 is fixedly connected with a support 202, the lower end of the support 202 is fixedly connected with the upper wall of the tunnel body 1, the support 202 is used for supporting the ventilation defogger 2, the ventilation defogger 2 is integrally and stably supported on the upper side of the tunnel body 1, and two ports of the heat exchange tank body 201 are fixedly connected with closing plates 203, heat exchange tubes 204 are uniformly and fixedly penetrated between the two closing plates 203, a connecting shell 205 is arranged on the closing plates 203, the connecting shell 205 and the closing plates 203 form a communicating chamber, two ends of each heat exchange tube 204 are respectively communicated with the communicating chambers on the two sides, one end of an outer communicating tube 3 is communicated and arranged on the connecting shell 205 on one side, the other end of the outer communicating tube 3 is communicated and arranged outside the tube rack body 1, a first air compressor 4 is arranged on the outer communicating tube 3, one end of a three-way tube 5 is communicated and arranged on the connecting shell 205 on the other side, the other two ends of the three-way tube 5 are respectively communicated with the outside of the tube rack body 1 and the upper wall of the tube rack body 1, a first electric control valve 6 and a second electric control valve 7 are respectively arranged on the three-way tube 5 and the pipelines communicated with the outside of the tube rack body 1 and the upper wall of the tube rack body 1, referring to fig. 2, a conducting pipe 8 is arranged between the heat exchange tank 201 and the pipe gallery body 1, a second air compressor 9 is arranged on the conducting pipe 8, the first air compressor 4, the first electric control valve 6, the second electric control valve 7 and the second air compressor 9 are all electrically connected with an external electric controller, the external electric controller is used for controlling an electric appliance electrically connected with the external electric controller to work, and the working process of the ventilation and defogging system of the comprehensive pipe gallery is as follows: starting a comprehensive pipe rack ventilation and demisting system through an electric controller, enabling a first air compressor 4 to work, guiding external air into a plurality of heat exchange pipes 204 along an outer through pipe 3, enabling the first electric control valve 6 to be in an open state, enabling a second electric control valve 7 to be in a closed state, discharging the external air to the outside of the pipe rack body 1 after passing through the heat exchange pipes 204, enabling the air (relatively hot) in the pipe rack body 1 to be pumped into a heat exchange tank body 201 along a through pipe 8 by enabling the relatively hot air to continuously circulate between the heat exchange tank body 201 and the pipe rack body 1 by enabling a second air compressor 9 to work, preheating the external air in the heat exchange pipes 204, closing the first electric control valve 6 after a certain time interval, opening the second electric control valve 7, and enabling the preheated air to enter the pipe rack body 1 along the heat exchange pipes 204, it is right play the effect of ventilation defogging in the piping lane body 1, the interval certain time, maintainer get into can.

Referring to fig. 4, specifically, the support 202 includes a support plate 2021, the support plate 2021 is fixedly connected to the side wall of the heat exchange tank 201, the lower end of the support plate 2021 is symmetrically and fixedly connected to support legs 2022, and the lower leg portions of the support legs 2022 are bolted to the upper wall of the pipe gallery body 1. The support 202 is used for supporting the ventilation demister 2, and the ventilation demister 2 is integrally and stably supported on the upper side of the pipe gallery body 1.

Referring to fig. 4, specifically, the shape of the supporting plate 2021 is matched with the shape of the side wall of the heat exchanging tank 201. The contact area between the support plate 2021 and the heat exchange tank 201 is large, and the stable support effect is good.

Referring to fig. 2, specifically, the second air compressor 9 is installed at a position where the conduction pipe 8 communicates with the heat exchange tank 201. By operating the second air compressor 9, the air (relatively hot) in the tube lane body 1 can be pumped into the heat exchange tank 201 along the conduction pipe 8, so that the relatively hot air is continuously circulated between the heat exchange tank 201 and the tube lane body 1.

Particularly, a through hole is formed in the side wall of the heat exchange tank 201 and the conduction pipe 8. The arrangement mode of the through hole blind wall is convenient for installing the air compressor.

The working principle is as follows: the effect of ventilation defogging is played to ventilation defroster 2 in to piping lane body 1, before maintainer need get into piping lane body 1 in, can open the ventilation defogging system, behind the defogging that ventilates in the piping lane body 1, get into can, operational environment is good, and after work finished, close the ventilation defogging system can, utility tunnel ventilation defogging system working process does: the utility model has the advantages that the utility tunnel ventilation demisting system is started through the electric controller, the first air compressor 4 works to guide external air into the plurality of heat exchange tubes 204 along the through outer tube 3, at the moment, the first electric control valve 6 is in an open state, the second electric control valve 7 is in a closed state, the external air is discharged to the outside of the tunnel body 1 after passing through the heat exchange tubes 204, meanwhile, the second air compressor 9 works to pump the air (relatively hot) in the tunnel body 1 into the heat exchange tank body 201 along the through tube 8, so that the relatively hot air circulates between the heat exchange tank body 201 and the tunnel body 1, the external air in the heat exchange tubes 204 is preheated, after a certain time, the first electric control valve 6 is closed, the second electric control valve 7 is opened, the preheated air enters the tunnel body 1 along the heat exchange tubes 204, and the demisting and ventilating effects are achieved in the tunnel body 1, and after a certain time interval, maintenance personnel can enter the device.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a utility tunnel ventilation defogging system, piping lane body (1), its characterized in that: the pipe rack is characterized in that a ventilation demister (2) is arranged on the upper wall of the pipe rack body (1), the ventilation demister (2) comprises a heat exchange tank body (201), a support (202) is fixedly connected to the lower end of the heat exchange tank body (201), the lower end of the support (202) is fixedly connected with the upper wall of the pipe rack body (1), two closed plates (203) are fixedly connected to two ports of the heat exchange tank body (201), heat exchange pipes (204) are uniformly and fixedly penetrated between the two closed plates (203), a connecting shell (205) is arranged on each closed plate (203), a communicating chamber is formed by the connecting shell (205) and the closed plates (203), two ends of each heat exchange pipe (204) are respectively communicated with the communicating chambers on two sides, one end of the connecting shell (205) on one side is communicated with one end of an outer communicating pipe (3), and the other end of the outer communicating pipe (3) is communicated with the outside of the pipe rack body (1), a first air compressor (4) is arranged on the outer through pipe (3), one end of a three-way pipe (5) is communicated with the connecting shell (205) on the other side, the other two ends of the three-way pipe (5) are respectively communicated with the outside of the pipe gallery body (1) and the upper wall of the pipe gallery body (1), a first electric control valve (6) and a second electric control valve (7) are respectively arranged on the three-way pipe (5) and the pipeline communicated with the outside of the pipe gallery body (1) and the upper wall of the pipe gallery body (1), a conduction pipe (8) is arranged between the heat exchange tank body (201) and the pipe gallery body (1), and a second air compressor (9) is arranged on the conduction pipe (8), and the first air compressor (4), the first electric control valve (6), the second electric control valve (7) and the second air compressor (9) are all electrically connected with an external electric controller.

2. The utility tunnel ventilation defogging system of claim 1, wherein: the support (202) comprises a support plate (2021), the support plate (2021) is fixedly connected with the side wall of the heat exchange tank body (201), the lower end of the support plate (2021) is symmetrically and fixedly connected with supporting legs (2022), and the lower leg parts of the supporting legs (2022) are connected with the upper wall of the pipe gallery body (1) through bolts.

3. The utility tunnel ventilation defogging system of claim 2, wherein: the shape of the supporting plate (2021) is matched with the shape of the side wall of the heat exchange tank body (201).

4. The utility tunnel ventilation defogging system of claim 1, wherein: the second air compressor (9) is arranged at the position where the conduction pipe (8) is communicated with the heat exchange tank body (201).

5. The utility tunnel ventilation defogging system of claim 4, wherein: and a through hole is formed in the side wall of the heat exchange tank body (201) and communicated with the conduction pipe (8).