CN218915654U - Electrothermal blowing drying box - Google Patents

Abstract

The utility model provides an electrothermal blowing drying oven which comprises an oven body and an air inlet pipe for introducing hot air into the oven body, wherein an air outlet end of the air inlet pipe is provided with an air flow dispersing mechanism, the air flow dispersing mechanism comprises a main pipe communicated with the air inlet pipe and a plurality of dispersing pipes communicated with the main pipe and arranged in parallel, and each dispersing pipe is provided with a plurality of air outlet holes. The main pipe is used as a first-stage dispersing pipeline, the hot air led in by the air inlet pipe is dispersed, the dispersed hot air flows through the plurality of dispersing pipes, and each dispersing pipe is of a door-shaped structure and has larger surface area compared with a straight pipe with the same width, so that the number of air outlet holes which can be arranged on the dispersing pipe can be more, further the further dispersing effect on the air flow in the main pipe is realized, the air flow of the air inlet pipe is led out from the plurality of air outlet holes finally, the air flow can uniformly flow into the box body, the air temperature at each position in the box body can be kept constant, and the drying work of materials in the box body is more facilitated.

Description

Electrothermal blowing drying box

Technical Field

The utility model relates to the technical field of drying boxes, in particular to an electrothermal blowing drying box.

Background

The drying boxes are divided into an electrothermal blowing drying box and a vacuum drying box according to different drying materials, and are widely applied to industries such as chemical industry, electronic communication, plastics, cables, electroplating, hardware, automobiles, photoelectricity, rubber products, molds, spraying, printing, medical treatment, aerospace, universities and the like. The huge market demands lead the varieties of the drying boxes to be diversified, the construction quality of products is different, and the electrothermal blowing drying box is equipment for blowing drying by utilizing an electric heating mode.

The structure of an electrothermal blowing dry box in the prior art (such as a patent publication number CN110207469A, named electrothermal blowing dry box) mainly comprises a box body provided with an opening and closing box door, an air inlet and an air outlet pipe are arranged in the box body, a hot air component is connected to the air inlet, the air is mainly guided by a blower, an electric heating pipe and the like are arranged in the air guiding process of the blower to heat, and finally, the air guided into the box body from the air inlet is hot air meeting requirements, so that materials in the box body are dried.

Because the air inlet in the box body is only one, part of the box body is not provided with an air outlet pipe, the air guide can be stopped after the hot air is led into the box body for a period of time, part of the box body can dry materials in the box body in an airflow flowing mode, and the air temperature at each position in the box body is unbalanced due to the fact that the air inlet is only one.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides an electrothermal blowing drying oven, which solves the problem of unbalanced air temperature in the drying oven in the prior art.

According to the embodiment of the utility model, the electrothermal blowing drying box comprises a box body and an air inlet pipe for introducing hot air into the box body, wherein an air outlet end of the air inlet pipe is provided with an air flow dispersing mechanism, the air flow dispersing mechanism comprises a main pipe communicated with the air inlet pipe and a plurality of dispersing pipes communicated with the main pipe and arranged in parallel, and each dispersing pipe is provided with a plurality of air outlet holes.

Further, the box is rectangular cavity structure, just the box front end is equipped with the chamber door that opens and shuts the setting, be close to the box in the top and along box depth direction level setting in the main pipe, a plurality of dispersion pipes are laid in proper order along being responsible for length direction, and the transverse segment of every dispersion pipe communicates with each other with being responsible for the setting.

Further, a plurality of air outlet holes are respectively arranged on the two vertical sections of each dispersing pipe along the length direction of the dispersing pipe, each air outlet hole is provided with an air jet pipe which is connected with the air outlet holes, and the air outlet ends of the air jet pipes which are positioned on one vertical section of the same dispersing pipe are arranged in an up-down staggered mode.

Further, the air jet pipe is of a reducer pipe structure and sequentially comprises a necking section, a straight pipe section and a flaring section which are connected, wherein the necking section is connected with the air outlet.

Further, be fixed with the mounting bracket that is located a plurality of dispersion pipes and encloses the space of establishing in the box, the mounting bracket is including the multiunit slip slot that from the top down laid in proper order and be used for fixed multiunit slip slot's bracing piece.

Compared with the prior art, the utility model has the following beneficial effects: the main pipe is used as a first-stage dispersing pipeline, the hot air led in by the air inlet pipe is dispersed, the dispersed hot air flows through the plurality of dispersing pipes, and each dispersing pipe is of a door-shaped structure and has larger surface area compared with a straight pipe with the same width, so that the number of air outlet holes which can be arranged on the dispersing pipe can be more, further the further dispersing effect on the air flow in the main pipe is realized, the air flow of the air inlet pipe is led out from the plurality of air outlet holes finally, the air flow can uniformly flow into the box body, the air temperature at each position in the box body can be kept constant, and the drying work of materials in the box body is more facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of a main tube of the present utility model mated with a plurality of dispersion tubes;

FIG. 3 is a schematic view of the structure of the gas lance of the present utility model.

In the above figures: 1. a case; 2. a dispersion tube; 3. an air inlet pipe; 4. a main pipe; 5. a grid plate; 6. a support rod; 7. a sliding slot; 8. a gas lance; 81. a necking section; 82. a straight pipe section; 83. a flaring segment.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, an embodiment of the utility model provides an electrothermal blowing drying oven, which comprises an oven body 1, wherein the oven body 1 is in a rectangular cavity structure, and an oven door which is arranged in an opening and closing manner is arranged at the front end of the oven body 1. An air inlet pipe 3 which is communicated with the upper end of the box body 1 and used for leading in hot air into the box body 1 is arranged at the upper end of the box body 1, and the principle of leading in the hot air into the air inlet pipe 3 can be set by referring to the prior art. In order to disperse the hot air entering the box body 1, the air outlet end of the air inlet pipe 3 is provided with an air flow dispersing mechanism, the air flow dispersing mechanism comprises a main pipe 4 communicated with the air inlet pipe 3 and a plurality of dispersing pipes 2 communicated with the main pipe 4 and arranged in parallel, and each dispersing pipe 2 is provided with a plurality of air outlet holes. According to the utility model, the main pipe 4 serves as a first-stage dispersing pipe 2, hot air led in by the air inlet pipe 3 is dispersed, the dispersed hot air flows through the dispersing pipes 2, each dispersing pipe 2 has a door-shaped structure, compared with straight pipes with the same width, the dispersing pipes 2 have larger surface area, the number of air outlet holes which can be arranged on the dispersing pipes 2 can be more, further dispersing effect on air flow in the main pipe 4 is realized, the air flow of the air inlet pipe 3 is led out from the plurality of air outlet holes finally, and can uniformly flow into the box 1, so that the air temperature at each position in the box 1 can be kept constant, and the drying operation of materials in the box 1 is more facilitated.

As shown in fig. 1 and 2, in order to facilitate the arrangement of the main pipe 4 and the dispersing pipes 2 in the box 1, the main pipe 4 is close to the inner top of the box 1 and horizontally arranged along the depth direction of the box 1, a plurality of dispersing pipes 2 are sequentially arranged along the length direction of the main pipe 4, and the transverse section of each dispersing pipe 2 is communicated with the main pipe 4. The main pipe 4 and the dispersing pipes 2 are arranged to be attached to the inner wall of the box body 1 as much as possible, so that the operation of placing materials in the box body 1 is avoided.

As shown in fig. 1, in order to further improve the dispersion effect of the hot air led out from the air outlet holes on the dispersion pipes 2 in the box 1, a plurality of air outlet holes are respectively arranged on two vertical sections of each dispersion pipe 2 along the length direction of the dispersion pipe, each air outlet hole is provided with an air jet pipe 8 which is connected with each other, and the air outlet ends of the air jet pipes 8 which are positioned on one vertical section of the same dispersion pipe 2 are arranged up and down in a staggered manner. The utility model utilizes the air ejector tube 8 to prolong the position of the air outlet end of the air outlet hole, thereby being more beneficial to controlling the position of the air outlet on the dispersing tube 2, effectively avoiding the problem that the two vertical sections on each dispersing tube 2 generate relative air blowing, reducing the friction consumption of heat energy and further ensuring the balance of the hot air led out from the box body 1. Meanwhile, as the dispersing pipe 2 is arranged close to the inner wall of the box body 1, the positions of the plurality of air outlet holes can be far away from one side of the dispersing pipe 2 close to the inner wall of the box body 1 as far as possible, and the arrangement of the air spraying pipe 8 is also facilitated.

As shown in fig. 1 and 3, in order to increase the flow velocity of the air flow led out from the air jet pipe 8, the air jet pipe 8 of the utility model is in a reducer pipe structure and sequentially comprises a necking section 81, a straight pipe section 82 and a flaring section 83 which are connected with each other, wherein the necking section 81 is connected with an air outlet hole. The Bernoulli principle is utilized to set the air ejector 8 to be of a diameter-changing structure with big ends being larger and small ends being smaller, so that the jet flow speed of the air outlet end of the air ejector 8 can be effectively improved, hot air can be further dispersed in the box body 1 rapidly, the effect of the air flow dispersing mechanism is further ensured, and the temperature balance in the box body 1 is improved.

As shown in fig. 1, since the material to be dried is placed in the box 1, in order to enable the material to be placed in the box 1, the utility model is characterized in that a mounting frame positioned in a space surrounded by a plurality of dispersing pipes 2 is fixed in the box 1, and the mounting frame comprises a plurality of groups of sliding slots 7 and supporting rods 6 for fixing the plurality of groups of sliding slots 7, which are sequentially distributed from top to bottom. The four support rods 6 are arranged in the box body 1 at four corners of the rectangle, and the four support rods 6 are arranged in pairs along the depth direction of the box body 1. Each group of sliding slots 7 comprises two sliding slots 7 which are oppositely arranged, the two sliding slots 7 are respectively matched with a group of supporting rods 6 which are matched with each other for use, materials can be placed on a material plate or a grid plate 5 which is provided with air holes, the grid plate 5 is inserted between the group of sliding slots 7 which are matched with each other for use, and the materials can be placed in the box body 1 to realize the drying operation of the materials.

It should be noted that the air outlet pipe communicated with the box body 1 can be arranged according to the requirement so as to ensure the safety of the air pressure in the box body 1.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (5)

1. The utility model provides an electric heat blast drying cabinet, includes the box and is used for leading in hot-blast air inlet pipe, its characterized in that to the box in: the air outlet end of the air inlet pipe is provided with an air flow dispersing mechanism, the air flow dispersing mechanism comprises a main pipe communicated with the air inlet pipe and a plurality of dispersing pipes communicated with the main pipe and arranged in parallel, and each dispersing pipe is provided with a plurality of air outlet holes.

2. An electrothermal blowing dry oven as claimed in claim 1, wherein: the box body is rectangular cavity structure, just the box front end is equipped with the chamber door that opens and shuts the setting, be close to the box in the top and along box depth direction level setting in the main pipe, a plurality of dispersion pipes are laid in proper order along being responsible for length direction, and the transverse segment of every dispersion pipe communicates with each other with being responsible for the setting.

3. An electrothermal blowing dry oven as claimed in claim 2, wherein: the two vertical sections of each dispersing pipe are respectively provided with a plurality of air outlet holes arranged along the length direction of the dispersing pipe, each air outlet hole is provided with an air jet pipe which is connected with the air outlet holes, and the air outlet ends of the air jet pipes which are positioned on one vertical section of the same dispersing pipe are arranged in an up-down staggered mode.

4. An electrothermal blowing dry oven as claimed in claim 3, wherein: the air ejector tube is of a reducer tube structure and sequentially comprises a necking section, a straight tube section and a flaring section which are connected, wherein the necking section is connected with the air outlet.

5. An electrothermal blowing dry oven according to any one of claims 1-4, wherein: the box is internally fixed with a mounting frame positioned in a space surrounded by a plurality of dispersing pipes, and the mounting frame comprises a plurality of groups of sliding slots and supporting rods for fixing the plurality of groups of sliding slots, which are sequentially distributed from top to bottom.

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