CN216482400U - High-temperature gas heat exchanger for plastic spraying line produced by solar equipment - Google Patents

Abstract

The utility model relates to a heating environment-friendly heat exchange device, in particular to a high-temperature gas heat exchanger for a plastic spraying line produced by solar equipment which generates heat by biomass combustion. The heat exchange problem is solved. The first heat collection box and the third heat collection box are arranged in parallel, the second heat collection box is positioned opposite to the two heat collection boxes and is deviated to one side of the third heat collection box, a plurality of heat exchange tubes are arranged between corresponding areas of the first heat collection box and the second heat collection box, a plurality of heat exchange tubes are arranged between the remaining area of the second heat collection box and the corresponding area of the third heat collection box, an air inlet main tube is arranged in a staggered area of the first heat collection box and the second heat collection box, a high-temperature air inlet tube is arranged at the front end of the air inlet main tube, and a flue gas outlet tube is positioned on the side wall of the third heat collection box; the inner part of the wall of the heat collection box is hollow and filled with heat insulation materials. The problem of high-temperature gas heat exchange is effectively solved, and the setting of heat collection box can let the high-temperature gas heat lose pressure when getting into, and the dust in the high-temperature gas heat descends, avoids blockking up the heat exchange tube.

Description

High-temperature gas heat exchanger for plastic spraying line produced by solar equipment

Technical Field

The utility model relates to a heating environment-friendly heat exchange device, in particular to a high-temperature gas heat exchanger for a plastic spraying line produced by solar equipment which generates heat by biomass combustion.

Background

The solar water heater support is a supporting essential element of a solar water tank, is an important component of a solar water heater, and plays an important role in the popularization process of the solar water heater. Nowadays, solar brackets are being developed into an independent small industry, and more enterprises for producing the solar brackets enable the brackets to be independent from the division of labor of the solar water heater industry. In the popularization process of solar water heaters, a solar bracket plays an important role and becomes one of important parameters for purchasing the solar water heaters. The bracket of the household solar water heater is reasonable in design, and enough bearing capacity can be ensured only by enough strength and rigidity.

The solar water heater support needs to be rustproof and attractive due to the fact that the solar water heater support needs to be placed outdoors for wind blowing and solarization in daily life, the support needs to be subjected to spray molding treatment, namely, the support needs to be subjected to heating and drying treatment after being sprayed with paint, a single high-temperature heat conduction pipe is arranged below a continuous production line of a spray molding line for heat transfer, and therefore the solar water heater support is uneven in heating and poor in temperature control.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the solar equipment production plastic spraying line high-temperature gas heat exchanger which can increase the retention time of high-temperature gas, has more stable and uniform temperature and can effectively precipitate dust in flue gas in the conversion process.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the solar equipment produces the high-temperature gas heat exchanger of the spray line, including the main pipe of admitting air, first heat-collecting box, second heat-collecting box, heat exchange tube, third heat-collecting box and flue gas outlet duct, first heat-collecting box and third heat-collecting box are placed side by side, the second heat-collecting box locates at these two heat-collecting box opposites, and lean towards one side of third heat-collecting box, there are several heat exchange tubes between first heat-collecting box and corresponding area of second heat-collecting box, there are several heat exchange tubes between the remaining area of second heat-collecting box and corresponding area of third heat-collecting box, the first heat-collecting box and second heat-collecting box stagger the area and are equipped with the main pipe of admitting air, the front end of the main pipe of admitting air has high-temperature air inlet pipes, the diameter of the high-temperature air inlet pipe is smaller than the main pipe of admitting air, the flue gas outlet duct locates on sidewall of the third heat-collecting box; the heat collecting box is characterized in that the heat insulating material is filled in the hollow part of the wall of the heat collecting box body, an access door is arranged below one end, close to the air inlet main pipe, of the first heat collecting box, the access door is also arranged opposite to the back surface of one side of the heat exchange pipe, two independent access doors are arranged on one side, not provided with the heat exchange pipe, of the second heat collecting box, and each access door corresponds to the first heat collecting box and the third heat collecting box respectively.

More preferably, the heat exchange tube and/or the end of the air inlet main tube are/is provided with a sleeve, the sleeve is T-shaped, the hollow inside and the outside are attached to the heat exchange tube, and the sleeve is nested on the end of the heat exchange tube. Therefore, the end is possibly high in temperature due to high-temperature gas, and the sleeve is added for prolonging the service life of the heat exchange tube and can play a role in temperature buffering.

The high-temperature air inlet pipe extends into the air inlet main pipe by a distance, an inclined air inlet pipe is arranged at the end of the air inlet main pipe, and the air inlet pipe is inclined to lean against the high-temperature air heating pipe and faces the movement direction of the flue gas; and a temperature sensor is arranged in the second heat collection box, and the temperature sensor is connected to a variable frequency fan on the air inlet pipe. The high temperature gas heat that blows from biomass burning machine like this, in getting into the high temperature inlet pipe, can supply the air according to actual need and guarantee that the burning is more abundant, changes the operating condition and the intake of air-supply line fan, and the slope installation can let the air current enter into the high temperature inlet pipe initial stage and form spiral gas, helps the parcel to live the high temperature gas heat and mixes.

The utility model has the following beneficial effects: the second heat collecting box is arranged on the upper portion of the heat collecting box, and the second heat collecting box is arranged on the lower portion of the heat collecting box. Set up a plurality of simultaneously with the heat exchange tube, when increasing the air volume, still increase the volume that the heat gived off, guarantee that the temperature is more even stable. Through the maintenance door, the dust in the heat collecting box can be cleaned in time, and meanwhile, the replacement and maintenance of the heat exchange tube can be facilitated.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the first heat collecting tank of the present invention.

Fig. 3 is a schematic view of the heat collecting tank provided with the air inlet pipe.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

In which like parts are designated by like reference numerals. It is noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.

In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the utility model with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.

Example 1

As shown in fig. 1, the plastic injection line high-temperature gas heat exchanger produced by a solar device comprises a main air inlet pipe 1, a first heat collecting tank 2, a second heat collecting tank 3, heat exchange tubes 4, a third heat collecting tank 5 and a flue gas outlet pipe 6, wherein the first heat collecting tank 1 and the third heat collecting tank 3 are arranged in parallel, the second heat collecting tank 3 is positioned opposite to the other two heat collecting tanks and is deviated to one side of the third heat collecting tank 5, a plurality of heat exchange tubes 4 are arranged between corresponding areas of the first heat collecting tank 2 and the second heat collecting tank 3, a plurality of heat exchange tubes 4 are arranged between remaining areas of the second heat collecting tank 2 and corresponding areas of the third heat collecting tank 3, the main air inlet pipe 1 is arranged on staggered areas of the first heat collecting tank 2 and the second heat collecting tank 3, a high-temperature air inlet pipe 7 is arranged at the front end of the main air inlet pipe 1, the diameter of the high-temperature air inlet pipe 7 is smaller than that of the main air inlet pipe 1, and the flue gas outlet pipe 6 is positioned on the side wall of the third heat collecting tank 5; the heat collecting box is characterized in that the heat insulating material 8 is filled in the hollow part of the wall of the heat collecting box body, an access door 9 is arranged below one end, close to the air inlet main pipe 1, of the first heat collecting box 2, the access door 9 is also arranged right opposite to the back surface of one side of the heat exchange pipe, two independent access doors 9 are arranged on one side, not provided with the heat exchange pipe, of the second heat collecting box, and each access door 9 corresponds to the first heat collecting box and the third heat collecting box respectively.

As shown in figure 2, the heat exchange tube 4 and the end of the main air inlet tube 1 are provided with sleeves 10, the sleeves are T-shaped, the hollow inner part is attached to the heat exchange tube, and the sleeves are nested on the ends of the heat exchange tube. Therefore, the end is possibly high in temperature due to high-temperature gas, and the sleeve is added for prolonging the service life of the heat exchange tube and can play a role in temperature buffering.

The solar bracket fittings enter a baking box stage after being sprayed with paint through a production line, the heat exchange device is positioned below the baking box and communicated with each other, heat of the heat exchanger enters the baking box, high-temperature gas heat generated by the biomass burner is blown into the main air inlet pipe through the high-temperature air inlet pipe and enters the first heat collecting box 2 at first recently, a small amount of dust falls after pressure loss, the high-temperature gas heat enters the second heat collecting box 3 through the heat exchange pipe, and the heat is released through the heat exchange pipe, the high-temperature gas heat is used for drying solar water heater support accessories coming from a suspension production line, pressure is released in the second heat collection box 3 by high-temperature gas heat, a large amount of dust falls in the second heat collection box 3, the high-temperature gas heat reaches the third heat collection box 5 through the heat exchange tube 4 after being simply stopped, the high-temperature gas heat is released for the second time, and finally hot gas is discharged from a flue gas outlet pipe communicated with the third heat collection box.

The third heat collecting box 5 is close to the feeding direction of the bracket accessories, and can play a preheating effect although the heat is slightly reduced, so that the temperature of the accessories in the baking box is ensured to have a gradient change, and the integral drying effect of the accessories is facilitated. The heat exchange box can realize that dust particles in high-temperature gas heat can be settled to a certain extent while heat steering and shunting are realized.

Example 2

As shown in fig. 3, the embodiment is different from embodiment 1 in that: the high-temperature air inlet pipe 7 extends into the air inlet main pipe 1 for a certain distance, an inclined air inlet pipe 11 is arranged at the end of the air inlet main pipe 1, and the air inlet pipe 11 is inclined to lean against the high-temperature air heating pipe 7 and faces the movement direction of flue gas; a temperature sensor is arranged in the second heat collecting box 3, and the temperature sensor is connected to a variable frequency fan on the air inlet pipe. The high temperature gas heat that blows from biomass burning machine like this, in getting into the high temperature inlet pipe, can supply the air according to actual need and guarantee that the burning is more abundant, changes the operating condition and the intake of air-supply line fan, and the slope installation can let the air current enter into the high temperature inlet pipe initial stage and form spiral gas, helps the parcel to live the high temperature gas heat and mixes.

The heat collecting box is arranged to enable high-temperature gas heat to be discharged in a decompression mode when entering, dust in the high-temperature gas heat falls down to avoid blocking the heat exchange tube, the direction of the high-temperature gas heat is changed through the second heat collecting box 3, retention of the high-temperature gas heat is increased, and heat is fully released. Set up a plurality of simultaneously with heat exchange tube 4, when increasing the air volume, still increase the volume that the heat gived off, guarantee that the temperature is more even stable. Through the maintenance door, the dust in the heat collecting box can be cleaned in time, and meanwhile, the replacement and maintenance of the heat exchange tube can be facilitated.

Claims (3)

1. Solar energy equipment production plastic-blasting line high temperature gas heat exchanger, its characterized in that: the heat exchanger comprises an air inlet main pipe, a first heat collecting box, a second heat collecting box, heat exchange pipes, a third heat collecting box and a flue gas outlet pipe, wherein the first heat collecting box and the third heat collecting box are arranged in parallel, the second heat collecting box is positioned opposite to the other two heat collecting boxes and is deviated to one side of the third heat collecting box, a plurality of heat exchange pipes are arranged between corresponding areas of the first heat collecting box and the second heat collecting box, a plurality of heat exchange pipes are arranged between the remaining area of the second heat collecting box and the area corresponding to the third heat collecting box, the air inlet main pipe is arranged in the staggered area of the first heat collecting box and the second heat collecting box, the front end of the air inlet main pipe is provided with a high-temperature air inlet pipe, the diameter of the high-temperature air inlet pipe is smaller than that of the air inlet main pipe, and the flue gas outlet pipe is positioned on the side wall of the third heat collecting box; the heat collecting box is characterized in that the heat insulating material is filled in the hollow part of the wall of the heat collecting box body, an access door is arranged below one end, close to the air inlet main pipe, of the first heat collecting box, the access door is also arranged opposite to the back surface of one side of the heat exchange pipe, two independent access doors are arranged on one side, not provided with the heat exchange pipe, of the second heat collecting box, and each access door corresponds to the first heat collecting box and the third heat collecting box respectively.

2. The solar plant production plastic-blasting line high-temperature gas heat exchanger of claim 1, characterized in that: the heat exchange tube and/or the end of the air inlet main tube are/is provided with a sleeve, the sleeve is T-shaped, the inside, the outside and the outside of the hollow part are attached to the heat exchange tube, and the sleeve is nested on the end of the heat exchange tube.

3. The solar plant production plastic-blasting line high-temperature gas heat exchanger as claimed in claim 1 or 2, characterized in that: the high-temperature air inlet pipe extends into the air inlet main pipe for a certain distance, an inclined air inlet pipe is arranged at the end of the air inlet main pipe, and the inclined air inlet pipe leans against the high-temperature air heating pipe and faces the movement direction of the flue gas; and a temperature sensor is arranged in the second heat collection box, and the temperature sensor is connected to a variable frequency fan on the air inlet pipe.

Images