CN212253552U

CN212253552U - Electrophoresis stoving heat recovery unit

Info

Publication number: CN212253552U
Application number: CN202021096819.XU
Authority: CN
Inventors: 葛元涛
Original assignee: Dalian Jinyida Electrophoretic Coating Co ltd
Current assignee: Dalian Jinyida Electrophoretic Coating Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-12-29
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses an electrophoresis stoving heat recovery unit relates to the electrophoresis and dries by fire technical field. The utility model comprises a drying box and a preheating chamber which are communicated with each other, wherein shunt tubes are embedded at the top and the bottom of the drying box, and the air outlet ends of the shunt tubes extend into the inner cavity of the drying box; both ends of the drying box are matched with baffles in a sliding way; two opposite outer sides of the drying box are respectively fixed with an exhaust fan, one side faces of the two exhaust fans are respectively communicated with exhaust pipes, one ends of the two exhaust pipes respectively extend into the inner top and the inner bottom of the preheating chamber and are respectively fixed with a rotating seat, and the two rotating seats are respectively and rotatably matched with a rotating air outlet pipe. The utility model discloses a hot flue gas in the area of air exhauster with the stoving incasement is taken out and is filtered the edulcoration, then will take hot flue gas to let in and preheat the indoor preliminary treatment that carries out the work piece and dry, has improved the heat utilization rate of electrophoresis drying device's stoving process.

Description

Electrophoresis stoving heat recovery unit

Technical Field

The utility model belongs to the technical field of the electrophoresis dries by the fire, especially relates to an electrophoresis stoving heat recovery unit.

Background

Electrophoretic coating is a coating method in which particles of a pigment, a resin, or the like suspended in an electrophoretic fluid are directionally transferred by an applied electric field and deposited on a surface of a substrate, which is one of electrodes. Drying (curing) is the last process for producing high-quality electrophoretic paint films. The procedure is that the workpiece after electrophoretic coating is solidified in a dust-free environment at a specified process temperature. According to the heat transfer method, the drying method can be divided into conduction convection drying and radiation drying. And (3) conducting convection drying: forced convection circulation air is sent to the drying chamber through the heating source at high speed so as to achieve the purpose of rapidly transferring heat to the workpiece and raising the temperature of the metal to the temperature for effectively curing the coating; radiant heating is a special radiant heating element that heats several hundred degrees above the coating curing temperature and the heat energy is absorbed by the coating film and the object by light wave conduction.

In the drying process of electrophoretic coating, a large amount of waste gas is generated, and the waste gas has higher temperature, so that the direct discharge of the waste gas causes heat loss and influences the heat energy utilization rate in the drying process; generally, an electrocoating workpiece oven is provided with a vent to exhaust gas generated in the oven. However, in the currently adopted method of directly discharging the gas generated in the drying device, the gas contains heat and paint components, which may cause adverse effects such as heat dissipation and air pollution, and thus, the conventional electrophoretic coating drying device needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrophoresis stoving heat recovery unit to solve the problem that above-mentioned background art provided.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an electrophoresis drying heat recovery device, which comprises a drying box and a preheating chamber which are mutually communicated, wherein the top and the bottom of the drying box are both embedded with a shunt pipe, and the air outlet end of the shunt pipe extends into the inner cavity of the drying box; two ends of the drying box are both in sliding fit with baffles; two outer side surfaces of the drying box are both fixed with an exhaust fan, one side surfaces of the two exhaust fans are both communicated with exhaust pipes, one ends of the two exhaust pipes respectively extend into the inner top and the inner bottom of the preheating chamber and are respectively fixed with a rotating seat, and a rotating air outlet pipe is respectively matched on the two rotating seats in a rotating way; the drying box is used for drying a paint film on a workpiece, the preheating chamber can recycle hot waste gas generated by the drying box, and the hot waste gas is used for preheating the workpiece to accelerate the electrophoresis drying speed; the workpiece after being coated with the electrophoresis film is firstly placed into a preheating chamber for preheating, and then is sent into a drying box for drying, and a closed drying space is formed by matching baffles at two ends of the drying box with the drying box, so that the influence of direct diffusion of hot air on the efficiency of a drying device is avoided; a large amount of waste gas generated in the drying box is extracted by an exhaust fan and is led out to a preheating chamber through an exhaust pipe; the rotary air outlet pipe is used for uniformly discharging hot waste gas, so that the workpiece is uniformly heated, the heat energy utilization rate of the drying process is improved, and the drying process is accelerated.

Furthermore, a filter is arranged on the exhaust pipe, and a screw cap is arranged at the top end of the filter; the filter is internally provided with a cavity, and the filter is convenient to clean and maintain by screwing down the screw cap.

Furthermore, two opposite inner sides of two end parts of the drying box are respectively provided with a sliding chute, two sides of the bottom end of the baffle are respectively fixed with a sliding block, and the peripheral side surfaces of the sliding blocks are in sliding fit with the inner wall of the sliding chutes; through the sliding configuration of spout restriction baffle, guarantee the sealed condition of stoving case, improved thermal utilization ratio in the flue gas.

Further, a conveyor belt is sleeved at the inner bottom of the drying box, and a circle of ventilation notches are formed in the peripheral side face of the conveyor belt; the ventilation notch is used for taking the circulation of hot-air, ensures that most heat is used for the stoving of paint film, guarantees electrophoresis drying device's heating power inheritance effect.

Furtherly, two the relative medial surface of air exhauster all communicates there is the intake pipe, two the one end of intake pipe all stretches into stoving incasement chamber.

Furthermore, two rows of air holes which are arranged at intervals are formed on the peripheral side surface of the rotary air outlet pipe; two exhaust holes on the rotary air outlet pipe are used for recycling waste gas in the drying box, hot gas exhausted from one exhaust hole in the vertical direction is mainly used for drying and preprocessing workpieces, the other exhaust hole of the rotary air outlet pipe drives the rotary air outlet pipe to rotate mainly through wind power, and the preheating of the indoor workpieces is guaranteed to be uniform in heating.

Furthermore, a conveying frame is installed at the inner bottom of the preheating chamber, and supporting rods arranged at intervals are rotationally matched in the conveying frame; conveying the workpiece with the paint film through the conveying frame, and supporting the workpiece through the supporting rod.

The utility model discloses following beneficial effect has:

the utility model dries the paint film on the workpiece through the drying box, recycles the hot waste gas generated by the drying box through the preheating chamber, uses the hot waste gas for preheating the workpiece, accelerates the electrophoretic drying speed, and improves the heat energy utilization rate in the drying process; the baffle plates at the two ends of the drying box are matched with the drying box to form a closed drying space, so that the influence of the direct diffusion of hot air on the efficiency of the drying device is avoided; the rotary air outlet pipe is used for uniformly discharging hot waste gas, so that the workpiece is uniformly heated, and the drying process is accelerated.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an electrophoresis drying heat recovery device of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a schematic view of a partial structure of a drying box;

FIG. 6 is a cross-sectional view of a drying box;

FIG. 7 is a schematic structural view of a baffle;

fig. 8 is a schematic structural view of a rotary air outlet pipe.

In the drawings, the components represented by the respective reference numerals are listed below:

1-drying box, 2-preheating chamber, 3-shunt pipe, 4-exhaust fan, 5-rotary base, 6-conveying belt, 7-conveying frame, 8-filter, 101-baffle, 102-chute, 401-exhaust pipe, 402-air inlet pipe, 501-rotary air outlet pipe and 601-ventilation notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention relates to an electrophoretic drying heat recovery device, which comprises a drying box 1 and a preheating chamber 2, wherein the drying box 1 and the preheating chamber 2 are communicated with each other, a shunt tube 3 is embedded at the top and the bottom of the drying box 1, and the air outlet end of the shunt tube 3 extends into the inner cavity of the drying box 1; two ends of the drying box 1 are both in sliding fit with baffles 101; two outer side surfaces of the drying box 1 are both fixed with an exhaust fan 4, one side surface of each exhaust fan 4 is communicated with an exhaust pipe 401, one end of each exhaust pipe 401 extends into the inner top and the inner bottom of the preheating chamber 2 respectively and is fixed with a rotating seat 5 respectively, the two rotating seats 5 are both rotatably matched with a rotating air outlet pipe 501, the drying box 1 is used for drying a paint film on a workpiece, the preheating chamber 2 can recycle hot waste gas generated by the drying box, the hot waste gas is used for preheating the workpiece, and the electrophoresis drying speed is accelerated; the workpiece after the electrophoresis film covering is firstly put into a preheating chamber 2 for preheating, and then is sent into a drying box 1 for drying, and a closed drying space is formed by matching baffle plates 101 at two ends of the drying box 1 and the drying box 1, so that the influence of direct diffusion of hot air on the efficiency of a drying device is avoided; a large amount of waste gas generated in the drying box 1 is extracted by an exhaust fan 4 and is led out to the preheating chamber 2 through an exhaust pipe 401; the uniform discharge of hot waste gas is carried out through the rotary gas outlet pipe 5, the uniform heating of the workpiece is ensured, the heat energy utilization rate of the drying process is improved, and the drying process is accelerated.

Wherein, the exhaust pipe 401 is also provided with a filter 8, and the top end of the filter 8 is provided with a screw cap; the filter 8 is internally provided with a cavity, and the filter 8 is convenient to clean and maintain by screwing down the screw cap.

Wherein, two opposite inner sides of two end parts of the drying box 1 are both provided with a sliding chute 102, two sides of the bottom end of the baffle plate 101 are both fixed with a sliding block, and the peripheral side surfaces of the sliding block are in sliding fit with the inner wall of the sliding chute 102; the sliding configuration of the baffle 101 is limited by the sliding chute 102, so that the sealing condition of the drying box 1 is ensured, and the utilization rate of heat in the flue gas is improved.

Wherein, the inner bottom of the drying box 1 is sleeved with a conveyor belt 6, and the peripheral side surface of the conveyor belt 6 is provided with a circle of ventilation notches 601; the ventilation notch 601 is used for circulating hot air, ensures that most of heat is used for drying a paint film, and ensures the heat inheriting effect of the electrophoresis drying device.

Wherein, the relative medial surface of two air blowers 4 all communicates there is intake pipe 402, and the one end of two intake pipes 402 all stretches into 1 inner chamber of stoving case.

Wherein, two rows of air holes are arranged at intervals on the peripheral side surface of the rotary air outlet pipe 501; the waste gas in the drying box is reused through two air vents on the rotary air outlet pipe 501, hot air exhausted from one air vent in the vertical direction is mainly used for drying and preprocessing of workpieces, the other air vent of the rotary air outlet pipe 501 drives the rotary air outlet pipe 501 to rotate mainly through wind power, and the workpieces in the preheating chamber 2 are uniformly heated.

Wherein, the inner bottom of the preheating chamber 2 is provided with a conveying frame 7, and the conveying frame 7 is internally matched with support rods 701 arranged at intervals in a rotating way; the work piece with paint film is conveyed by the conveying frame 7, and the support of the work piece is carried out by the support rod 701.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an electrophoresis stoving thermal recovery unit, includes stoving case (1) and preheating chamber (2) that communicate each other, its characterized in that:

the top and the bottom of the drying box (1) are embedded with a shunt pipe (3), and the air outlet end of the shunt pipe (3) extends into the inner cavity of the drying box (1);

two ends of the drying box (1) are both in sliding fit with baffles (101);

the double-phase outside of stoving case (1) all is fixed with one air exhauster (4), two the side of air exhauster (4) all communicates exhaust pipe (401), two the one end of exhaust pipe (401) is stretched into the interior top and the interior bottom of preheating chamber (2) respectively and is fixed with a roating seat (5), two equal normal running fit has a rotatory outlet duct (501) on roating seat (5).

2. An electrophoresis drying heat recovery device according to claim 1 wherein the exhaust pipe (401) is further provided with a filter (8), and the top end of the filter (8) is provided with a screw cap.

3. The electrophoresis drying heat recovery device according to claim 1, wherein the drying box (1) has two opposite inner sides of two ends thereof each having a sliding slot (102), the bottom end of the baffle (101) has two sides each having a sliding block, and the peripheral side of the sliding block is in sliding fit with the inner wall of the sliding slot (102).

4. An electrophoresis drying heat recovery device according to claim 1, characterized in that the inner bottom of the drying box (1) is sleeved with a conveyor belt (6), and the circumferential side of the conveyor belt (6) is provided with a circle of ventilation slots (601).

5. The electrophoresis drying heat recovery device according to claim 1, wherein the opposite inner sides of the two exhaust fans (4) are both communicated with an air inlet pipe (402), and one end of each of the two air inlet pipes (402) extends into the inner cavity of the drying box (1).

6. The electrophoresis drying heat recovery device according to claim 1, wherein the peripheral side surface of the rotary air outlet pipe (501) is provided with two air vents arranged at intervals.

7. An electrophoresis drying heat recovery device according to claim 1, wherein the inner bottom of the preheating chamber (2) is installed with a conveying rack (7), and the conveying rack (7) is rotatably fitted with spaced supporting rods (701).