CN212827164U

CN212827164U - Condensed water drainage structure of double-sided machine hot plate

Info

Publication number: CN212827164U
Application number: CN202021437981.3U
Authority: CN
Inventors: 刘国柱; 赵胜才; 赵胜发
Original assignee: Cangzhou Ouguan Packaging Machinery Co ltd
Current assignee: Cangzhou Ouguan Packaging Machinery Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-30
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a condensed water discharging structure of a double-sided machine hot plate, which comprises a plurality of hot plate units, wherein each hot plate unit comprises two hot plates and a steam-dividing drum, the steam-dividing drum is connected with a steam supply pipe, each hot plate is connected with the steam-dividing drum through a steam inlet pipe, each hot plate is also connected with a discharge pipe, the discharge pipe is provided with a drainage module, and the outlet end of the discharge pipe is connected with a condensed water pipe; the hot plate is hollow, two baffle plates are arranged in the hot plate, the inner cavity of the hot plate is divided into an S-shaped flow passage by the two baffle plates, and the outlet end of the steam inlet pipe and the inlet end of the discharge pipe are respectively positioned at two ends of the flow passage; the bottom surface of the inner side of the flow channel is also provided with a flow channel groove, and the bottom surface of the flow channel groove is a continuous downward slope surface from upstream to downstream. The utility model discloses in realized discharging rapidly of the inside comdenstion water of hot plate through having the continuous down domatic runner groove, avoided the comdenstion water to stop the heat absorption for a long time in the hot plate.

Description

Condensed water drainage structure of double-sided machine hot plate

Technical Field

The utility model relates to a corrugated container board production processing equipment field, concretely relates to row's condensate water structure of double facer hot plate.

Background

As everyone knows, the hot plate of duplex machine for corrugated container board processing passes through steam heating, and then heats corrugated container board, make bonding more firm, but the ubiquitous problem in the heating of present duplex machine hot plate is exactly that the comdenstion water that the steam is exothermic to be produced can not discharge rapidly in the hot plate, make the comdenstion water take place the endothermic process in the hot plate, and then influence the temperature of hot plate, if the comdenstion water in the discharge hot plate that can be rapid, so will be favorable to the intensification and the temperature maintenance of hot plate, and then guarantee corrugated container board's heating.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a row of two-sided quick-witted hot plate condensate water structure, it has effectively solved the problem that exists among the background art.

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

a condensed water discharging structure of a double-sided machine hot plate comprises a plurality of hot plate units, wherein each hot plate unit comprises two hot plates and a steam distribution drum, each steam distribution drum is connected with a steam supply pipe, each hot plate is connected with each steam distribution drum through a steam inlet pipe, each hot plate is also connected with a discharge pipe, a drainage module is arranged on each discharge pipe, the outlet end of each discharge pipe is connected with a condensed water pipe, each drainage module comprises a first stop valve and a first stop valve bypass pipe, a second stop valve and a third stop valve are arranged on each first stop valve bypass pipe, and a drain valve is arranged between each second stop valve and the third stop valve; the hot plate is hollow, two baffle plates are arranged in the hot plate, the inner cavity of the hot plate is divided into an S-shaped flow passage by the two baffle plates, and the outlet end of the steam inlet pipe and the inlet end of the discharge pipe are respectively positioned at two ends of the flow passage; the bottom surface of the inner side of the flow channel is also provided with a flow channel groove, and the bottom surface of the flow channel groove is a continuous downward slope surface from upstream to downstream.

Furthermore, a stop valve is arranged on the steam supply pipe.

Furthermore, a water-resistant heat-insulating material is laid in the runner groove.

Furthermore, the water-resistant heat-insulating material is one of foam glass, a hydrophobic ceramic fiber board, a high-temperature high-pressure heat-insulating board and a press heat-insulating board.

Furthermore, a plurality of turbulence rods perpendicular to the flowing direction of the working medium are arranged in the flow channel above the flow channel groove.

The utility model discloses following beneficial technological effect has:

the utility model discloses in realized discharging rapidly of the inside comdenstion water of hot plate through having the runner groove of domatic under in succession, avoided the comdenstion water to stop the heat absorption for a long time in the hot plate, hot plate exhaust steam-water mixture accomplishes the separation of condensate water and steam through the effect of trap, and two kinds of measures cooperate and make the intensification of hot plate and the convenience that the temperature keeps all ten minutes, are favorable to the steady operation of double facer.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a schematic view of an internal structure of a hot plate in a top view according to an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the hot plate at the right viewing angle according to the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the condensed water discharging structure of a double-sided machine hot plate according to this embodiment includes a plurality of hot plate units 1, each hot plate unit 1 includes two hot plates 2 and a steam-dividing drum 3, a steam supply pipe 4 is connected to the steam-dividing drum 3, each hot plate 2 is connected to the steam-dividing drum 3 through a steam inlet pipe 5, a discharge pipe 6 is further connected to each hot plate 2, the discharge pipe 6 has a water-discharging module, and an outlet end of the discharge pipe 6 is connected to a condensed water pipe 7, the water-discharging module includes a first stop valve 8 and a first stop valve bypass pipe 9, the first stop valve bypass pipe 9 is provided with a second stop valve 10 and a third stop valve 11, a drain valve 12 is provided between the second stop valve 10 and the third stop valve 11, the first stop valve 8 is normally closed in a normal operating state, the second stop valve 10 and the third stop valve 11 are normally open, a mixture sent from the discharge pipe 6 is separated by the drain valve 12, discharging the condensed water into a condensed water pipe 7, discharging the exhaust steam to a centralized collecting pipeline (not shown) through a steam outlet of a drain valve 12, opening a first stop valve 8, closing a second stop valve 10 and a third stop valve 11 when the drain valve 12 is overloaded or needs to be overhauled and replaced, and then cleaning or replacing the drain valve 12; the hot plate 2 is hollow, two baffle plates 13 are arranged in the hot plate 2, a gap is formed between one end of each baffle plate 13 and the inner wall of the hot plate 2, the gaps formed between the two baffle plates 13 and the inner wall of the hot plate 2 are not arranged on the same side, the two baffle plates 13 divide the inner cavity of the hot plate 2 into S-shaped flow channels, the flow time of steam in the hot plate 2 is prolonged, the heat release of the steam is facilitated, the outlet end of the steam inlet pipe 5 and the inlet end of the discharge pipe 6 are respectively positioned at the two ends of the flow channels, and the flow directions of steam working; the bottom surface of the inner side of the flow channel is also provided with a flow channel groove 14, the bottom surface of the flow channel groove 14 is a continuous downward slope surface from upstream to downstream, the outlet end of the steam inlet pipe 5 and the inlet end of the exhaust pipe 6 are respectively positioned at the top of a slope and the bottom of the slope, condensed water generated by heat release of steam in the hot plate 2 is collected in the flow channel groove 14, due to the slope of the flow channel groove 14, the condensed water flows to the inlet end of the exhaust pipe 6 along the flow channel groove 14 in an S-shaped track, rapid discharge of the condensed water is facilitated, long-time stay of the condensed water in the hot plate 2 for heat absorption and evaporation is avoided, and.

The steam supply pipe 4 is provided with a stop valve 15 for blocking the supply of steam to stop the operation of the hot plate unit 1.

The water-resistant and heat-insulating material 16 is laid in the runner groove 14, the heat conductivity of the water-resistant and heat-insulating material 16 is low, so that when condensed water flows in the runner groove 14, other surfaces except the top surface of a boiling water layer receive less heat, the runner groove 14 is taken as metal, the runner groove 14 is heated during working, the heated runner groove 14 can also heat the water flow in the water flow flowing process, heat waste is caused, after the water-resistant and heat-insulating material 16 is laid, the condensed water hardly suffers heating influence of the runner groove 14 when flowing in the runner groove 14, only the top surface of the water layer is heated, heat absorption in the condensed water drainage process is effectively weakened, the water-resistant and heat-insulating material 16 is one of foam glass, a hydrophobic ceramic fiber board, a high-temperature high-pressure heat-insulating board and a press heat-insulating board, a plurality of turbulence rods 17 perpendicular to the flowing direction of working media are further arranged in a runner above the runner groove 14, turbulence bar 17 is the metal material, in the actual motion process, good heat transfer has between turbulence bar 17 and hot plate 2 and the baffling board 13, steam and hot plate 2's heat transfer area has been increased promptly, in addition, because turbulence bar 17's axis direction perpendicular to steam working medium's flow direction, so turbulence bar 17 can destroy the laminar flow state of steam, make steam tend to form the torrent, it is well known, steam air current heat exchange efficiency under the laminar flow is the lowest, so destroy the laminar flow state and just mean to increase the heat transfer efficiency between steam and hot plate 2, be favorable to steam heat energy's effective utilization and hot plate 2's heating.

The working process of the embodiment is as follows:

steam enters the steam distribution drum 3 through the steam supply pipe 4, the steam in the steam distribution drum 3 enters the two hot plates 2 through the two steam inlet pipes 5 respectively, the steam entering the hot plates 2 flows in an S shape in the hot plates 2 and releases heat, condensed water generated in the heat release process is collected by the runner groove 14 and sent to the inlet end of the discharge pipe 6, the condensed water in the discharge pipe 6 is sent to the condensed water pipe 7 through the drain valve 12, and steam exhaust steam is sent to the centralized collection pipeline so as to circulate.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The condensed water discharging structure of the double-sided machine heating plate is characterized by comprising a plurality of heating plate units, wherein each heating plate unit comprises two heating plates and a steam-dividing drum, each steam-dividing drum is connected with a steam supply pipe, each heating plate is connected with the corresponding steam-dividing drum through a steam inlet pipe, each heating plate is also connected with a discharge pipe, a drainage module is arranged on each discharge pipe, the outlet end of each discharge pipe is connected with a condensed water pipe, each drainage module comprises a first stop valve and a first stop valve bypass pipe, a second stop valve and a third stop valve are arranged on each first stop valve bypass pipe, and a drain valve is arranged between each second stop valve and the third stop valve; the hot plate is hollow, two baffle plates are arranged in the hot plate, the inner cavity of the hot plate is divided into an S-shaped flow passage by the two baffle plates, and the outlet end of the steam inlet pipe and the inlet end of the discharge pipe are respectively positioned at two ends of the flow passage; the bottom surface of the inner side of the flow channel is also provided with a flow channel groove, and the bottom surface of the flow channel groove is a continuous downward slope surface from upstream to downstream.

2. A condensed water discharging structure of a hot plate of a double-sided machine as claimed in claim 1, wherein a stop valve is provided on the steam supply pipe.

3. The condensed water drainage structure of a hot plate of a double-sided machine as claimed in claim 1, wherein a water-resistant heat insulating material is laid in the runner groove.

4. The condensate drainage structure of a hot plate of a double-sided machine according to claim 3, wherein the water-resistant heat-insulating material is one of foam glass, a hydrophobic ceramic fiber plate, a high-temperature and high-pressure heat-insulating plate and a press heat-insulating plate.

5. The condensate drainage structure of a hot plate of a double-sided machine as claimed in claim 1, wherein a plurality of turbulence bars perpendicular to the flow direction of the working medium are further provided in the flow channel above the flow channel groove.