CN212157674U - Air convection device for condensing gas modular furnace - Google Patents

Abstract

The utility model discloses an air convection device for a condensing gas-fired modular furnace, which comprises an air convection box, a DF blower, an inner thread pipe and a sealing door. The utility model is provided with an air convection box, an air guide plate and a DF blower. When in use, the condensing type gas-fired modular furnace is put into the air convection box, and then communicated with the condensing type gas-fired modular furnace through an air guide pipe. When the modular furnace is working, the DF blower works, and then blows air into the convection chamber of the air convection box through the air guide plate. The air enters the condensing gas modular furnace through the air guide pipe and mixes with the gas for combustion. The combustion process produces less gas. Part of the heat is transferred to the outside of the condensing gas modular furnace to heat the inside of the air convection box. The hot air inside the air convection box enters the convection cavity through the through holes, and then mixes with the outside air into the condensing gas modular furnace for circulation, reducing the temperature. heat loss, so that the heat can be fully utilized.

Description

Air convection device for condensing gas modular furnace

technical field

The utility model relates to the technical field of gas modular furnaces, in particular to an air convection device for a condensing gas modular furnace.

Background technique

Gas modular furnace is a safe and reliable modular furnace. Gas modular furnaces are widely used in industrial fields. When condensing gas modular furnaces are in use, the condensed water will take away most of the heat generated, and a small part of the heat will be taken away. The heat will be conducted to the outside of the condensing gas modular furnace, resulting in heat loss. In order to ensure that the heat can be fully used, an air convection device needs to be designed.

Utility model content

The purpose of the present invention is to provide an air convection device for a condensing gas-fired modular furnace to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an air convection device for a condensing gas-fired modular furnace, comprising an air convection box, a control box, a DF blower, an internally threaded pipe and a sealing door, and four air convection boxes at the bottom of the air convection box are provided. A support leg is fixedly installed at each corner, a control box is installed on one side of the support leg, an air guide plate is fixedly installed at the bottom of the air convection box, and a DF blower is fixedly installed at the input end of the bottom of the air guide plate. The DF blower is electrically connected to the control box through wires, the input end of the DF blower is fixedly installed with an internally threaded pipe, and the front side of the air convection box is fixedly installed with a sealing door through a hinge.

Preferably, first fixing blocks are fixedly installed at both ends of one side of the front of the air convection box, a groove is provided around the front of the air convection box, a convection cavity is provided on the inner wall of the air convection box, and the convection cavity is provided with a convection cavity. The inner side is provided with a through hole, and the air ducts are provided at the top positions on both sides of the inside of the air convection box.

Preferably, three groups of filter screen plates are fixedly installed inside the inner threaded pipe, a threaded ring is arranged around the filter screen plate, and a screw block is fixedly installed at the central position of the bottom of the filter screen plate.

Preferably, four sets of installation rods are provided at four corners of the top of the air guide plate, and air intake pipes are provided on the top of the air guide plate.

Preferably, a sealing ring is provided around the inner side of the sealing door, and second fixing blocks are fixedly installed at both ends of one side of the sealing door.

Preferably, a control switch is provided on the front of the control box, and a plug is connected to the bottom of the control box through wires.

Compared with the prior art, the beneficial effects of the present utility model are:

The air convection device of the condensing gas modular furnace is provided with an air convection box, an air guide plate and a DF blower. When the condensing gas modular furnace is working, the DF blower works, and then blows air into the convection cavity of the air convection box through the air guide plate. A small part of the heat generated during the combustion process is transferred to the outside of the condensing gas modular furnace to heat the interior of the air convection box. The hot air inside the air convection box enters the convection chamber through the through holes, and then mixes with the outside air and enters the condensing gas Modular furnaces are circulated to reduce heat loss so that heat can be fully utilized.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the air convection box of the present utility model;

Fig. 3 is the structural schematic diagram of the internal threaded pipe of the present invention;

FIG. 4 is a schematic structural diagram of the air guide plate of the present invention.

In the figure: 1, air convection box; 101, first fixing block; 102, groove; 103, convection cavity; 104, through hole; 105, air duct; 2, support leg; 3, control box; 301, control switch ;302, plug; 4, air guide plate; 401, air intake pipe; 402, installation rod; 5, DF blower; 6, female threaded pipe; 601, filter screen plate; 602, threaded ring; 603, screw block; 7, Sealing door; 701, second fixing block; 702, sealing ring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" The orientation or positional relationship indicated by "" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation is therefore not to be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIGS. 1-4 , an embodiment of the present invention: an air convection device for a condensing gas modular furnace, including an air convection box 1 , a control box 3 , a DF blower 5 , an internally threaded pipe 6 and a sealing door 7 , the four corners of the bottom of the air convection box 1 are welded with support legs 2, and the support legs 2 fixedly support the air convection box 1. The air convection box 1 is used to blow air to the condensing gas modular furnace and drive the condensing gas modular furnace to transmit The heat to the outside is circulated. A control box 3 is provided on one side of the support leg 2. The control box 3 controls the power supply of the DF blower 5. The bottom of the air convection box 1 is fixed with an air guide plate 4 by bolts. The air guide plate 4 The input end of the bottom is fixed with a DF blower 5 by bolts, and the DF blower 5 is electrically connected to the control box 3 through wires. The input end of the DF blower 5 is welded with an internally threaded pipe 6, and the internal threaded pipe 6 filters the air to prevent dust from entering the condensing gas modular furnace and causing dust explosion. Door 7, sealing The door 7 seals the air convection box 1.

Further, the two ends of the front side of the air convection box 1 are welded with first fixing blocks 101, and the first fixing blocks 101 are convenient for bolts to be screwed in. The front side of the air convection box 1 is provided with a groove 102, and the groove 102 is convenient for the sealing ring 702 Embedded, the inner wall of the air convection box 1 is provided with a convection cavity 103, the inner side of the convection cavity 103 is provided with a through hole 104, and the top positions on both sides of the air convection box 1 are provided with air ducts 105. The air duct 105 is connected to the condensing gas module. The furnace is connected, and the heat conducted by the condensing gas module furnace to the outside will be stored in the interior of the air convection box 1, and then the heat enters the convection chamber 103 through the through hole 104 to be mixed with the outside air, and then enters the condensing gas module through the air duct 105. Inside the furnace.

Further, three groups of filter screen plates 601 are fixedly installed inside the inner threaded pipe 6 through a threaded structure, and the filter apertures of the three groups of filter screen plates 601 increase sequentially from top to bottom. The screen plate 601 is fixedly installed inside the inner threaded pipe 6 through the threaded ring 602 , and a screw block 603 is welded at the central position of the bottom of the filter screen plate 601 , and the screw block 603 is convenient for screwing the filter screen plate 601 .

Further, four sets of installation rods 402 are arranged at the four corners of the top of the air guide plate 4. The air guide plate 4 is fixedly installed on the bottom of the air convection box 1 through the installation rods 402. The air plate 4 communicates with the convection cavity 103 through the air intake pipe 401 .

Further, a sealing ring 702 is provided around the inner side of the sealing door 7. When the sealing door 7 is closed, the sealing ring 702 is embedded in the groove 102. The two ends of one side of the sealing door 7 are welded with a second fixing block 701. The block 701 and the first fixing block 101 are fixedly connected by bolts.

Further, the front of the control box 3 is provided with a control switch 301 , which controls the working state of the DF blower 5 .

Working principle: When using, first put the condensing gas modular furnace into the air convection box 1, and then communicate with the condensing gas modular furnace through the air duct 105, then close the sealing door 7, and then connect the power supply through the plug 302, through the control The switch 301 controls the DF blower 5 to work, the DF blower 5 delivers air to the air guide plate 4, the air inside the air guide plate 4 enters the convection cavity 103 through the air intake pipe 401, and the air enters the condensing gas modular furnace through the air guide pipe 105. The gas is mixed for combustion, and a small part of the heat generated during the combustion will be conducted to the outside and stored in the air convection box 1, and then the heat enters the convection chamber 103 through the through hole 104 to be mixed with the outside air, and then enters through the air duct 105. The condensing gas modular furnace circulates inside to reduce heat loss, so that heat can be fully utilized.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a condensing gas module stove air convection device, includes air convection case (1), control box (3), DF air-blower (5), internal thread pipe (6) and sealing door (7), its characterized in that: four angle fixed mounting of air convection case (1) bottom have supporting leg (2), one side of supporting leg (2) is equipped with control box (3), the bottom fixed mounting of air convection case (1) has air deflector (4), the input fixed mounting of air deflector (4) bottom has DF air-blower (5), DF air-blower (5) are through wire and control box (3) electric connection, the input fixed mounting of DF air-blower (5) has internal thread pipe (6), there is sealing door (7) positive one side of air convection case (1) through hinge fixed mounting.

2. The condensing gas module furnace air convection device of claim 1, wherein: the air convection box is characterized in that first fixing blocks (101) are fixedly mounted at two ends of one side of the front face of the air convection box (1), a groove (102) is formed in the periphery of the front face of the air convection box (1), a convection cavity (103) is formed in the inner wall of the air convection box (1), a through hole (104) is formed in the inner side of the convection cavity (103), and air guide pipes (105) are arranged at the top positions of two sides of the inner portion of the air convection box (1).

3. The condensing gas module furnace air convection device of claim 1, wherein: the internal part of the internal thread pipe (6) is fixedly provided with three groups of filter screen plates (601), a circle of the filter screen plates (601) is provided with a thread ring (602), and the central position of the bottom of each filter screen plate (601) is fixedly provided with a screwing block (603).

4. The condensing gas module furnace air convection device of claim 1, wherein: four corners at the top of the air guide plate (4) are provided with four groups of mounting rods (402), and the top of the air guide plate (4) is provided with an air inlet pipe (401).

5. The condensing gas module furnace air convection device of claim 1, wherein: a circle of sealing door (7) medial surface is equipped with sealing washer (702), the both ends fixed mounting of sealing door (7) one side has second fixed block (701).

6. The condensing gas module furnace air convection device of claim 1, wherein: the front of control box (3) is equipped with control switch (301), the bottom of control box (3) is connected with plug (302) through the wire.

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