CN210980580U

CN210980580U - Heat compensation system of paper support drying room

Info

Publication number: CN210980580U
Application number: CN201921529850.5U
Authority: CN
Inventors: 卢健春
Original assignee: Jiangmen Lanya Paper Product Co ltd
Current assignee: Jiangmen Lanya Paper Product Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-10
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a heat compensation system of a paper-holder drying room, which comprises a room body and a door hinged at the front end of the room body, wherein the top of the room body is provided with an air inlet pipe which is connected with a circulating fan, the side wall of the room body is provided with a through hole communicated with a moisture exhaust pipeline, and a variable frequency fan is arranged in the through hole; the device comprises a heat exchanger, a moisture inlet, a moisture outlet, a condensate water drain pipe, a first electromagnetic valve, a water outlet and a recovery device, wherein the heat exchanger is arranged between an air inlet pipe and a moisture exhaust pipeline; a ventilating duct is arranged in the heat exchanger, a cold air inlet is arranged at one end of the ventilating duct, and a hot and dry air outlet is arranged at the other end of the ventilating duct. The utility model discloses can preheat the interior cold wind that gets into the room with exhaust damp and hot air for the heat of damp and hot air gets into the room again internally, reaches energy-conserving purpose.

Description

Heat compensation system of paper support drying room

Technical Field

The utility model relates to a paper holds in the palm the production field, especially a paper holds in palm heat compensation system in baking house.

Background

The production process of the paper support product comprises the following steps: the raw materials are smashed and stirred to be made into pulp, the pulp is made into a blank through a forming die or forming equipment, the blank is pre-dried and preliminarily formed through pre-drying equipment, and then hot press forming is carried out through hot press forming equipment.

In the prior art, during paper holds in the palm goods production, need carry out the predrying through drying equipment after making the blank, the predrying of blank generally uses the baking house to carry out drying and drying, can produce the moisture at dry stoving's in-process, in order to keep the moisture in the baking house to keep at required within range, connect the moisture exhaust pipeline on the baking house in order to carry out the moisture in the baking house, but at the in-process of hydrofuge, because the exhaust humid air stream contains a large amount of heats, can not carry out recycle, a large amount of heats are directly discharged, cause the large amount of wastes of resource, cause the baking house to be great at dry stoving operation in-process energy consumption.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a heat compensation system of paper support baking house can preheat the internal cold wind that gets into the room with the internal exhaust damp and hot air in room for the heat from the internal exhaust damp and hot air in room enters into the room again internally, and the internal portion heat in room that can significantly reduce expands and spills the outside, reaches the purpose of energy saving.

The utility model provides a heat compensation system of a paper-holder drying room, which comprises a room body and a door hinged at the front end of the room body, wherein an air inlet pipe is arranged at the top of the room body and is connected with a circulating fan used for feeding air flow into the room body, a through hole communicated with a moisture exhaust pipeline is arranged on the side wall of the room body, and a variable frequency fan is arranged in the through hole; the heat exchanger is arranged between the air inlet pipe and the moisture exhaust pipeline, a moisture air inlet communicated with the moisture exhaust pipeline is arranged at the left end of the heat exchanger, a moisture exhaust port is arranged at the right end of the heat exchanger, the moisture air inlet and the moisture exhaust port are arranged in a horizontally and upwardly staggered manner, a condensate water drain pipe is arranged at the lower end of the heat exchanger, a first electromagnetic valve is arranged on the condensate water drain pipe, and a recoverer is arranged at a water outlet of the condensate water drain pipe; a ventilating duct is arranged in the heat exchanger, a cold air inlet is arranged at one end of the ventilating duct, and a hot and dry air exhaust port communicated with the air inlet pipe is arranged at the other end of the ventilating duct.

The heat compensation system of the paper support drying room at least has the following beneficial effects: the heat exchanger is arranged between the air inlet pipe and the moisture exhaust pipeline, the heat exchanger plays a role of heat exchange on one hand, cold air entering the room body is preheated by hot humid air exhausted from the room body, so that heat of the hot humid air exhausted from the room body enters the room body again, the heat inside the room body can be greatly reduced to be spread to the outside, the purpose of saving energy is achieved, on the other hand, the purpose of dehumidification is achieved, the hot humid air after heat exchange is exhausted through a moisture exhaust port of the heat exchanger, water vapor on the surface of a blank is removed, moisture transfer power is improved, meanwhile, forced air exchange can strengthen air flow in the room body, the blank is heated more uniformly, and the drying quality of the blank is improved; through setting up staggering moisture air inlet and moisture gas vent in the level, can prolong the flow time of the internal exhaust damp and hot air in the heat exchanger from the room, and then make cold wind more abundant with the damp and hot air heat transfer, the heat of damp and hot air is fully used for preheating cold wind, the cold wind after preheating becomes the hot air futilely to it is internal to be sent into the room, reaches the purpose of transporting the heat in the damp and hot air back to the room body again, reduces thermal loss. Meanwhile, the temperature of the discharged wet air is reduced, and the pollution to the environment is reduced.

According to a heat compensation system of paper support baking house, air pipe is the font of returning and spirals inside the heat exchanger.

According to a heat compensation system of paper support baking house, the lower wall of heat exchanger is the high right side low setting, the right downside of heat exchanger is provided with the comdenstion water drain pipe.

According to a paper holds in palm heat compensation system of baking house, air pipe's cold air inlet is provided with the filter screen.

According to a heat compensation system of paper support baking house, set up level sensor in the heat exchanger, level sensor electric connection director, controller control opening of first solenoid valve.

According to a heat compensation system of paper support baking house, the internal humidity transducer that is provided with in room, humidity transducer with the controller electricity is connected, the controller control the power of frequency conversion fan.

According to a heat compensation system of paper support baking house, humidity transducer has two, two humidity transducer establishes separately the intermediate position of two relative inside walls in the room body.

According to a heat compensation system of paper support baking house, circulating fan is axial fan.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a heat compensation system of a paper tray drying room according to an embodiment of the present invention includes a room body 100 and a heating device disposed in the room body 100, wherein a door 110 is hinged to the front end of the room body 100 to open and close the room body, an air inlet pipe 120 is disposed at the top of the room body 100, the air inlet pipe 120 is connected to a circulating fan 200 for sending air flow into the room body 100, a through hole 140 communicating with a moisture exhaust pipeline 130 is disposed on the side wall of the room body 100, and a variable frequency fan 300 is disposed in the through hole 140; a heat exchanger 400 is arranged between the air inlet pipe 120 and the moisture exhaust pipeline 130, a moisture inlet 410 communicated with the moisture exhaust pipeline 130 is arranged at the left end of the heat exchanger 400, a moisture outlet 420 is arranged at the right end of the heat exchanger 400, the moisture inlet 410 and the moisture outlet 420 are arranged in a staggered manner in the horizontal direction, a condensed water drain pipe 430 is arranged at the lower end of the heat exchanger 400, a first electromagnetic valve 450 is arranged on the condensed water drain pipe 430, and a recoverer 500 is arranged at a water outlet of the condensed water drain pipe 430; a ventilation duct 460 is disposed in the heat exchanger 400, a cool air inlet 461 is disposed at one end of the ventilation duct 460, and a dry air outlet 462 communicated with the air inlet pipe 120 is disposed at the other end of the ventilation duct 460. Compared with the prior art, the embodiment of the utility model provides a through be provided with heat exchanger 400 between intake pipe 120 and exhaust wet gas pipeline 130, heat exchanger 400 plays the effect of heat exchange on the one hand, preheat the cold wind that gets into in the room body 100 through the damp and hot air who discharges in with the room body 100, make the heat of the damp and hot air who discharges from in the room body 100 get into in the room body 100 again, can significantly reduce the inside heat of the room body 100 and spread to the outside, reach the purpose of energy saving, on the other hand, play the purpose of dehumidification, the damp air after the heat exchange discharges through the moisture discharge port of heat exchanger 400, blank surface steam has been removed, moisture transmission power has been improved, the forced ventilation can strengthen the air flow in the room body 100 simultaneously, make the blank be heated more evenly, thereby improve the dry oven-dry drying quality to the blank; through setting up staggering moisture air inlet 410 and moisture gas vent 420 in the level, can prolong the flow time of exhaust damp and hot air in heat exchanger 400 in from the room body 100, and then make cold wind more abundant with the damp and hot air heat transfer, the heat of damp and hot air is fully used for preheating cold wind, cold wind after preheating becomes hot air futilely, and in being sent into the room body 100, reach the purpose of transporting the heat in the damp and hot air back to the room body 100 again, reduce thermal loss. Meanwhile, the temperature of the discharged wet air is reduced, and the pollution to the environment is reduced; the condensed water drain pipe 430 is disposed at the lower end of the heat exchanger 400, so that the cooled condensed water flows out from the condensed water drain pipe 430 and is not accumulated in the heat exchanger 400, and the water outlet of the condensed water drain pipe 430 is provided with the recoverer 500, and the recoverer 500 is configured to receive the condensed water discharged from the heat exchanger 400.

Preferably, the ventilation duct 460 is spiraled inside the heat exchanger 400 in a zigzag shape. Set up like this, can prolong the flow time of cold wind in heat exchanger 400, and then make cold wind more abundant with the interior exhaust damp and hot air heat transfer of room body 100, the heat of damp and hot air fully is used for preheating cold wind, makes cold wind and damp and hot air's area of contact bigger simultaneously, and the heat transfer effect is better.

Preferably, in some embodiments, the lower wall of the heat exchanger 400 is disposed in a left-high and right-low manner, and the lower right side of the heat exchanger 400 is provided with a condensate drain pipe 430. So that the condensed water generated by the cooling is sufficiently discharged from the condensed water drain pipe 430 not to be accumulated in the heat exchanger 400.

Preferably, the cold air inlet 461 of the ventilation duct 460 is provided with a filter screen, and the filter screen effectively prevents impurities in the atmosphere from entering the room body 100 to pollute the blank to be dried.

Preferably, a liquid level sensor 600 is arranged in the heat exchanger 400, the liquid level sensor 600 is electrically connected with the controller 700, and the controller 700 controls the opening of the first electromagnetic valve 450. The liquid level sensor 600 is used for detecting the liquid level of the condensed water accumulated in the heat exchanger 400, when the liquid level of the accumulated condensed water reaches a set value, the liquid level sensor 600 transmits a signal to the controller 700, and the controller 700 controls the first electromagnetic valve 450 to be opened, so that the condensed water accumulated in the heat exchanger 400 is discharged.

Preferably, a humidity sensor is disposed in the room body 100, the humidity sensor is electrically connected to the controller 700, and the controller 700 controls the power of the variable frequency fan 300. Through being provided with humidity transducer in the room body 100, humidity transducer is used for detecting the humidity in the room body 100 to give controller 700 with signal real-time transfer, controller 700 increases frequency conversion fan 300's power from this, guarantees that the humidity in the room body 100 keeps in the scope that is fit for the blank and dries, and then improves the dry oven dry mass of blank, and intelligent degree is higher.

Further, in order to more accurately reflect the humidity in the drying room, there are two humidity sensors, and the two humidity sensors are respectively disposed at the middle positions of the two inner side walls of the room body 100.

Preferably, the circulating fan 200 is an axial flow fan, and when the axial flow fan is used, the air pressure in the room body 100 is kept consistent with the atmospheric pressure, so that the danger of explosion caused by overhigh pressure in the room body 100 is avoided, and the use safety is further improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat compensation system of a paper tray drying room comprises a room body (100) and a door (110) hinged to the front end of the room body (100), wherein an air inlet pipe (120) is arranged at the top of the room body (100), the air inlet pipe (120) is connected with a circulating fan (200) used for sending air flow into the room body (100), a through hole (140) communicated with a moisture exhaust pipeline (130) is formed in the side wall of the room body (100), and a variable frequency fan (300) is arranged in the through hole (140); the method is characterized in that: a heat exchanger (400) is arranged between the air inlet pipe (120) and the moisture exhaust pipeline (130), a moisture air inlet (410) communicated with the moisture exhaust pipeline (130) is arranged at the left end of the heat exchanger (400), a moisture air outlet (420) is arranged at the right end of the heat exchanger (400), the moisture air inlet (410) and the moisture air outlet (420) are arranged in a staggered mode in the horizontal direction, a condensed water drain pipe (430) is arranged at the lower end of the heat exchanger (400), a first electromagnetic valve (450) is arranged on the condensed water drain pipe (430), and a recoverer (500) is arranged at the water outlet of the condensed water drain pipe (430); a ventilation pipeline (460) is arranged in the heat exchanger (400), a cold air inlet (461) is arranged at one end of the ventilation pipeline (460), and a hot and dry air outlet (462) communicated with the air inlet pipe (120) is arranged at the other end of the ventilation pipeline (460).

2. The heat compensation system of a paper tray drying room of claim 1, wherein: the ventilating duct (460) is coiled inside the heat exchanger (400) in a shape of a Chinese character 'hui'.

3. The heat compensation system of a paper tray drying room of claim 1, wherein: the lower wall of the heat exchanger (400) is arranged in a left-high-right mode, and the condensate water drain pipe (430) is arranged on the lower right side of the heat exchanger (400).

4. A heat compensation system for a paper tray drying room as claimed in claim 1 or 3, wherein: the cold air inlet (461) of the ventilation pipeline (460) is provided with a filter screen.

5. The heat compensation system of a paper tray drying room of claim 1, wherein: a liquid level sensor (600) is arranged in the heat exchanger (400), the liquid level sensor (600) is electrically connected with a controller (700), and the controller (700) controls the opening of the first electromagnetic valve (450).

6. The heat compensation system of a paper tray drying room of claim 5, wherein: be provided with humidity transducer in the room body (100), humidity transducer with controller (700) electricity is connected, controller (700) control the power of frequency conversion fan (300).

7. The heat compensation system of claim 6, wherein: the humidity sensors are divided into two humidity sensors which are arranged in the middle positions of the two opposite inner side walls in the room body (100).

8. The heat compensation system of a paper tray drying room of claim 1, wherein: the circulating fan (200) is an axial flow fan.