CN210801555U

CN210801555U - Marine steam heating type air grid

Info

Publication number: CN210801555U
Application number: CN201921784421.2U
Authority: CN
Inventors: 余阳; 王洋; 高瀚林; 陆煊; 范灏
Original assignee: Chongqing HKC Optoelectronics Technology Co Ltd
Current assignee: Chongqing HKC Optoelectronics Technology Co Ltd; China Ship Development and Design Centre
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-19
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a marine steam heating type air grid, including casing, steam heat transfer device, bedplate and ventilation flange, wherein, the casing is hollow structure, and bedplate and ventilation flange are installed respectively to casing inner channel's both ends, and the casing is close to one side of bedplate and installs the grid blade, and steam heat transfer device installs inside the casing, and steam heat transfer device includes the heat transfer pipeline of being connected with steam supply device. The utility model provides a marine steam heating type air grid preheats new trend or airing exhaust under the low temperature operating mode to solved coil pipe frost crack, grid scheduling problem that freezes.

Description

Marine steam heating type air grid

Technical Field

The utility model relates to a naval vessel cabin atmospheric environment control system technical field especially relates to a marine steam heating type air grid.

Background

The ship is designed to be closed due to the severe working environment, so that the ship cannot be fully exchanged with external fresh air, and if no good air conditioning ventilation facility or means is provided, the air in the cabin can gradually generate pollutants such as peculiar smell, toxic and harmful gases, bacteria and the like, so that the working and living environment in the ship can be damaged, and the physical health of naval personnel can be even directly threatened. In order to meet the requirements of safety and comfort of personnel in a ship, the pollutants in a cabin are diluted and removed, and fresh air needs to be supplemented into the cabin, so that the air conditioning and ventilation equipment of the ship needs a certain proportion of fresh air to ensure the freshness of the air.

Traditional air grid can satisfy the user demand in ordinary occasion, but some problems may exist under some extremely adverse circumstances, if ambient temperature is extremely low, the new trend temperature of supplying for air conditioning equipment is also very low, and the cabin temperature is higher relatively, and the inside coil pipe of air conditioner can appear because the too big problem of frost crack of the difference in temperature, causes equipment operation trouble to have the potential safety hazard even. In addition, under the working condition in winter, the problem that the air grid of the ship exhaust system cannot be adjusted due to icing can also occur, and the normal work of the grid is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a marine steam heating type air grid aims at preheating the new trend or airing exhaust under the low temperature operating mode, avoids coil pipe frost crack, the grid scheduling problem that freezes.

In order to achieve the above purpose, the utility model provides a steam heating type air grid for a ship, which comprises a shell, a steam heat exchange device, a seat plate and a ventilation flange, wherein,

the casing is hollow structure, and bedplate and ventilation flange are installed respectively to casing inner channel's both ends, and the casing is close to one side of bedplate and installs the grid blade, and steam heat transfer device installs inside the casing, and steam heat transfer device includes the heat transfer pipeline of being connected with steam supply device.

Preferably, the heat exchange pipeline comprises a steam collecting pipe, a plurality of heat exchange pipes and a condensed water collecting pipe communicated with the plurality of heat exchange pipes, heat exchange fins are fixed on the outer side wall of each heat exchange pipe, a steam inlet is formed in the steam collecting pipe, and a condensed water outlet is formed in the condensed water collecting pipe.

Preferably, the plurality of heat exchange tubes are arranged in the shell in at least two rows, each row comprises at least two heat exchange tubes arranged from top to bottom, inlets of the heat exchange tubes in one row close to one side of the grille blades are communicated with the steam collecting tube, outlets of the heat exchange tubes in the other row are communicated with the corresponding heat exchange tubes in the other row, and outlets of the heat exchange tubes in the other row far away from one side of the grille blades are communicated with the condensed water collecting tube.

Preferably, all the heat exchange tubes are arranged in parallel, and adjacent heat exchange tubes are connected through U-shaped bends.

Preferably, the heat exchange plate is a copper corrugated plate, and the heat exchange tube is a red copper tube.

Preferably, a manual air release valve is installed at the top of the steam collecting pipe.

Preferably, a drain pipe plug is installed at the bottom of the condensed water collecting pipe.

Preferably, the steam heat exchange device is detachably connected with the shell through a flange, and the steam inlet and the condensed water outlet are both provided with connecting flanges.

Preferably, a filter screen is further mounted on the casing close to the outer side of the grating blades.

Preferably, a water drainage opening is formed in the bottom of the shell, and one side of the shell, which is close to the ventilation flange, is of a variable diameter structure so as to be connected with the shell.

The utility model provides a marine steam heating type air grid can preheat the new trend that gets into air conditioning equipment under the low temperature operating mode, has both ensured air freshness, has avoided frost crack coil pipe scheduling problem again, has still realized more simplification, nimble structural style. The steam heating type air grid for the ship also has the advantages of simple structure, reliable work and easy realization.

Drawings

Fig. 1 is a schematic front view of a steam heating type air grille for a ship according to the present invention;

FIG. 2 is a schematic diagram of the right-side view structure of the steam heating type air grille for a ship according to the present invention;

fig. 3 is a left side view schematic structure diagram of the steam heating type air grid for a ship of the present invention;

fig. 4 is a schematic top view of the steam heating type air grille for a ship according to the present invention.

In the figure, 1, a seat plate, 2, a filter screen, 3, grid blades, 4, heat exchange tubes, 5, heat exchange fins, 6, reducing holes, 7, a ventilation flange, 8, a steam inlet, 9, a condensed water outlet, 10, a steam collecting pipe, 11, a condensed water collecting pipe, 12, a manual air release valve, 13, a water discharge pipe plug, 14, a water discharge opening and 15, flanges are arranged.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 4, in the present preferred embodiment, a steam heating type air grill for a ship includes a housing, a steam heat exchanging device, a seat plate 1, and a ventilation flange 7, wherein,

the casing is hollow structure, and bedplate 1 and ventilation flange 7 are installed respectively to casing inner channel's both ends, and grid blade 3 is installed to one side that the casing is close to bedplate 1, and steam heat transfer device installs inside the casing, and steam heat transfer device includes the heat transfer pipeline of being connected with steam supply device.

One side of the marine steam heating type air grid is fixed on a bulkhead through a seat plate 1, and the other side of the marine steam heating type air grid is connected to air pipes with different sizes through a ventilation flange 7.

Specifically, referring to fig. 3 and 4, the heat exchange pipeline includes a steam collecting pipe 10, a plurality of heat exchange pipes 4, and a condensed water collecting pipe 11 communicated with the plurality of heat exchange pipes 4, and heat exchange fins 5 are fixed on outer side walls of the heat exchange pipes 4. The steam collecting pipe 10 is provided with a steam inlet 8, and the condensed water collecting pipe 11 is provided with a condensed water outlet 9.

Referring to fig. 3, the plurality of heat exchange tubes 4 are arranged in at least two rows inside the housing, each row includes at least two heat exchange tubes 4 arranged from top to bottom, the heat exchange tubes 4 of one row located near one side of the louver blades 3 have their inlets communicated with the steam header 10, the outlets communicated with the corresponding heat exchange tubes 4 of the other row (communicated through the U-bend), and the heat exchange tubes 4 of one row located far away from the louver blades 3 have their outlets communicated with the condensed water header 11.

In this embodiment, the heat exchange tubes 4 are provided in two rows, each row including 9 heat exchange tubes 4. The inlet ends of the heat exchange tubes 4 in the first row are all communicated with a steam collecting tube 10, the outlets of the heat exchange tubes 4 in the first row are communicated with the heat exchange tubes 4 on the other side beside the first row, and the outlets of all the heat exchange tubes 4 in the second row are all communicated with a condensed water collecting tube 11.

The heat exchange fins 5 are copper corrugated fins, and the heat exchange tubes 4 are red copper tubes. A manual purge valve 12 is mounted on the top of the vapor header 10. The bottom of the condensed water collecting pipe 11 is provided with a water discharging pipe plug 13. The manual air release valve 12 and the water discharge pipe plug 13 are used for discharging residual steam and water in the steam pipeline when the device is stopped, and the steam coil pipe is prevented from being frozen.

Further, referring to fig. 3, the steam heat exchange device is detachably connected with the housing through a flange 15, and a connecting flange is mounted on each of the steam inlet 8 and the condensed water outlet 9. The side surface of the shell is provided with a mounting port for inserting the steam heat exchange device. The steam heat exchange device (comprising the steam collecting pipe 10, the condensed water collecting pipe 11, the heat exchange pipe 4, the heat exchange fins 5 and the like) is designed into a whole, and is arranged on the shell through the flange 15 during use, and when steam heating is not needed for a long time in spring and summer, the whole steam heat exchange device can be disassembled and replaced by a blind plate with the same specification, so that resistance can be reduced, and dust accumulation can be avoided.

Further, referring to fig. 2, a screen 2 is also mounted on the housing adjacent to the outer side of the grille vanes 3. The bottom of the shell is provided with a water outlet 14, and one side of the shell close to the ventilation flange 7 is of a reducing 6 structure so as to be connected with the ventilation flange.

Traditional air grid need be through adding the enclosure form and connecting the tuber pipe, and in this marine steam heating type air grid, the new trend is direct through 6 for the ventilation flange 7 access tuber pipes of reducing after steam heat transfer device heats flowing through, does not need plus the enclosure, makes overall structure simplify more. In addition, rainwater entering from the grille or condensed water formed by steam in fresh air can be discharged through a water discharge opening 14 at the bottom of the grille periodically.

The working principle of the marine steam heating type air grid is as follows.

The fresh air pipeline is provided with a temperature sensor, when the fresh air is detected to be lower than a certain temperature (such as 4 ℃), the signal is transmitted to the electric cabinet to control the steam flow regulating valve on the pipeline of the steam inlet 8 to be opened, high-temperature steam is supplied to the grille, enters the steam collecting pipe 10 from the steam inlet 8 and flows into the heat exchange pipes 4 made of 9 red copper in a redispersion manner, meanwhile, the low-temperature fresh air passes through the filter screen 2, then flows through the grid blades 3, then flows through the surface of the heat exchange tube 4 along a group of copper corrugated heat exchange fins 5 welded and fixed with the heat exchange tube 4, the steam is subjected to heat exchange with high-temperature steam, the fresh air is heated to a certain temperature (the temperature rise can reach more than 25 ℃) by controlling a steam flow regulating valve through a PID (proportion integration differentiation), condensed water generated after the steam releases heat flows back to a condensed water collecting pipe 11 along another group of parallel heat exchange pipes 4 and then flows out from a condensed water outlet 9, and the condensed water is discharged from a drain valve on the condensed water collecting pipe 11.

The marine steam heating type air grid that this embodiment provided can preheat the new trend that gets into air conditioning equipment under the low temperature operating mode, has both ensured fresh air degree, has avoided frost crack coil pipe scheduling problem again, has still realized more simplification, nimble structural style. The steam heating type air grid for the ship also has the advantages of simple structure, reliable work and easy realization.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A steam heating type air grid for a ship is characterized by comprising a shell, a steam heat exchange device, a base plate and a ventilation flange, wherein,

2. The marine steam heating type air grill of claim 1, wherein the heat exchange pipe includes a steam collecting pipe, a plurality of heat exchange pipes, and a condensed water collecting pipe communicated with the plurality of heat exchange pipes, the heat exchange pipes are fixed with heat exchange fins on outer sidewalls thereof, the steam collecting pipe is provided with a steam inlet, and the condensed water collecting pipe is provided with a condensed water outlet.

3. A steam heating type air grill for a ship according to claim 2, wherein the plurality of heat exchange tubes are arranged in at least two rows in the interior of the housing, each row including at least two heat exchange tubes arranged from top to bottom, the heat exchange tubes of one row located on a side close to the grill blades have inlets each communicating with the steam header, outlets each communicating with a corresponding heat exchange tube of the other row, and the heat exchange tubes of one row located on a side away from the grill blades have outlets each communicating with the condensed water header.

4. The marine steam heating type air grill as recited in claim 2, wherein all the heat exchange tubes are arranged in parallel, and adjacent heat exchange tubes are connected by U-bends.

5. The marine steam heating type air grill of claim 2, wherein the heat exchange fins are copper corrugated fins, and the heat exchange tubes are copper tubes.

6. The marine steam-heated air grill of claim 2, wherein a manual purge valve is installed at a top of the steam header.

7. The steam heating type air grill for a ship according to claim 2, wherein a drain plug is installed at a bottom of the condensed water collecting pipe.

8. The marine steam heating type air grill of claim 1, wherein the steam heat exchanging means is detachably connected to the housing through a flange, and connecting flanges are installed on both the steam inlet and the condensed water outlet.

9. The air grill of steam heating type for ship of claim 1, wherein a filter screen is further installed on the housing near the outside of the grill blades.

10. The marine steam heating type air grill of any one of claims 1 to 9, wherein a drain opening is opened at a bottom of the housing, and a side of the housing adjacent to the ventilation flange is of a variable diameter structure to be connected thereto.