New heater structure for drying roller

Abstract

The utility model relates to the technical field of drying roller heating equipment components, and discloses a new type of drying roller heater structure, including a heater rear cover, the heater rear cover includes a circular cover body, a heater front cover is arranged at the front end of the circular cover body, a heater heat preservation inner cylinder is fixedly connected between the heater front cover and the circular cover body, and a group of heater aluminum tubes are fixedly connected between the heater front cover and the circular cover body and located outside the heater heat preservation inner cylinder. The utility model adopts a double-layer electromagnetic heating roller to tightly wind and heat evenly, and the heat preservation asbestos net winding has a good heat preservation effect. The heating structure adopts aluminum material, the structure is lighter, the heat conduction effect is better, the adopted structure is simpler, the cost is reduced, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of drying roller heating equipment components, in particular to a novel heater structure for a drying roller. Background Art

[0002] The technical background of heating drying roller mainly involves the shortcomings of traditional papermaking drying cylinder equipment, such as low energy utilization, large equipment investment, environmental pollution, frequent production accidents, etc. With the aggravation of energy shortage in the world and the enhancement of people's environmental awareness, the transformation of papermaking heating drying cylinder has become an urgent problem to be solved.

[0003] The existing new heater structure for drying rollers has the following problems when in use: the new heater structure for drying rollers fundamentally adopts a heating method using hot oil and superheated steam as heating media, which has the problems of low energy utilization, large equipment investment, environmental pollution, frequent production accidents, etc., and secondly, there are problems such as uneven heating and poor stability. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a novel heater structure for a drying roller, which solves the problems raised by the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of heater structure for a drying roller, including a heater rear cover, the heater rear cover including a circular cover body, a heater front cover is arranged at the front end of the circular cover body, a heater insulation inner cylinder is fixedly connected between the heater front cover and the circular cover body, a group of heater aluminum tubes is fixedly connected between the heater front cover and the circular cover body and located on the outside of the heater insulation inner cylinder, a group of heater aluminum tubes is multiple and arranged in a ring shape with equal distances, a group of heating mechanisms are fixedly sleeved on the outside of the multiple heater aluminum tubes, and a group of heating mechanisms includes two groups of heating wires stacked inside and outside.

[0008] As a further solution of the utility model: the fixed connection method between the heater insulation inner cylinder and the corresponding end faces of the heater front cover and the circular cover body is spot welding, and the fixed connection method between the heater aluminum tube and the corresponding end faces of the heater front cover and the circular cover body is spot welding.

[0009] As a further solution of the utility model: an aluminum tube inner groove is opened between the center positions of the two side walls of the heater aluminum tube, the heater insulation inner cylinder is made of insulation asbestos mesh, and a heater pressure cover is fixedly installed at the front end of the heater front cover by countersunk screws.

[0010] As a further solution of the utility model: a groove is opened at the center position of the rear end of the circular cover body, a through groove is opened at the center position of the front inner wall of the groove, and a plurality of through holes are opened in a circular shape with equal distances on the front inner wall of the groove and located outside the through groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the double-layer electromagnetic heating roller is used to tightly wrap and heat evenly, and the insulation asbestos net is wrapped to have a good insulation effect. The heating structure adopts aluminum material, the structure is lighter, the heat conduction effect is better, the structure is simpler, the cost is reduced, and the operation is convenient.

[0013] 2. In the utility model, an electromagnetic heating roller is adopted as a new heating method, the roller surface temperature difference is small, the temperature adjustment is flexible, the temperature uniformity and temperature distribution temperature can be adjusted according to the temperature curve required by the product, the temperature stability is good, so the production efficiency is high, there are no defective products, and the production line speed can be increased.

[0014] 3. In the utility model, by adopting electromagnetic heating roller as a new heating method, it can be operated intelligently, is simple and convenient, only needs to set the instrument temperature without other cumbersome adjustment procedures, and is energy-saving and environmentally friendly. Compared with oil heating roller and resistance wire heating roller, the electromagnetic heating roller can save more than 50% of energy. There is no oil pollution in the workshop, no harm to the health of employees, and the use process is safe and reliable.

[0015] 4. In the utility model, by adopting electromagnetic heating roller as a new heating method, the electrical components have no mechanical friction and loss, low maintenance cost, few failures, the heating ring in the heating roller and the external controller are components, the installation is quick and convenient, power-saving and safe, so the product cost is well controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall side sectional view of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the main body of the utility model;

[0018] Figure 3 It is an overall rear sectional view of the utility model.

[0019] In the figure: 1. Heater back cover; 2. Heater front cover; 3. Heater pressure cover; 4. Countersunk screws; 5. Heater insulation inner cylinder; 6. Heater aluminum tube; 7. Aluminum tube inner groove; 8. Heating wire; 11. Round cover body; 12. Groove; 13. Through groove; 14. Through hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 3 In the embodiment of the utility model, the new heater structure of the drying roller includes a heater rear cover 1, the heater rear cover 1 includes a circular cover body 11, a heater front cover 2 is arranged at the front end of the circular cover body 11, a heater insulation inner cylinder 5 is fixedly connected between the heater front cover 2 and the circular cover body 11, a group of heater aluminum tubes 6 are fixedly connected between the heater front cover 2 and the circular cover body 11 and located on the outside of the heater insulation inner cylinder 5, a group of heater aluminum tubes 6 are multiple and arranged in a circular equidistant shape, a group of heating mechanisms are fixedly sleeved on the outside of the multiple heater aluminum tubes 6, a group of heating mechanisms includes two groups of heating wires 8 stacked inside and outside, the whole adopts a double-layer electromagnetic heating roller to tightly wind and heat evenly, and the insulation asbestos net winding has a good insulation effect, the heating structure adopts aluminum material, the structure is lighter, the thermal conductivity is better, the adopted structure is simpler, the cost is reduced, and the operation is convenient.

[0022] The heater insulation inner cylinder 5 is fixedly connected to the corresponding end faces of the heater front cover 2 and the circular cover body 11 by spot welding, and the heater aluminum tube 6 is fixedly connected to the corresponding end faces of the heater front cover 2 and the circular cover body 11 by spot welding, which reduces the difficulty of welding and facilitates processing.

[0023] An aluminum tube inner groove 7 is opened between the center positions of the two side walls of the heater aluminum tube 6. The heater insulation inner cylinder 5 is made of an insulation asbestos mesh. The front end of the heater front cover 2 is fixedly installed with a heater pressure cover 3 by countersunk screws 4. The heater pressure cover 3 can be disassembled by removing the countersunk screws 4.

[0024] A groove 12 is provided at the center of the rear end of the circular cover body 11, a through groove 13 is provided at the center of the front inner wall of the groove 12, and a plurality of through holes 14 are provided in an annular shape and equidistantly on the front inner wall of the groove 12 and outside the through groove 13, which can be used in conjunction with the connecting components to fix the overall structure.

[0025] The working principle of the utility model is: the double-layer electromagnetic heating roller is tightly wound to heat evenly, and the insulation asbestos net winding has good insulation effect. The heating structure adopts aluminum material, the structure is lighter, the thermal conductivity is better, the adopted structure is simpler, the cost is reduced, and the operation is convenient. By adopting the electromagnetic heating roller as a new heating method, the temperature difference of the roller surface is small, the temperature adjustment is flexible, and the temperature uniformity and temperature distribution temperature can be adjusted according to the temperature curve required by the product. The temperature stability is good, so the production efficiency is high, there is no defective product, the production line speed can be improved, and it can be operated intelligently, which is simple and convenient. Only the instrument temperature needs to be set without other cumbersome adjustment procedures, and it is energy-saving and environmentally friendly. Compared with the oil heating roller and the resistance wire heating roller, the electromagnetic heating roller has an energy-saving effect of more than 50%, there is no oil pollution in the workshop, there is no harm to the health of employees, and the use process is safe and reliable. In addition, the electrical components have no mechanical friction and loss, the maintenance cost is low, and there are few failures. The heating ring in the heating roller and the external controller are components, which are quick and convenient to install, power-saving and safe, so the product cost is well controlled.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel heater structure for a drying roller, comprising a heater rear cover (1); Features: The heater rear cover (1) comprises a circular cover body (11), a heater front cover (2) is arranged at the front end of the circular cover body (11), and a heater heat-insulating inner cylinder (5) is fixedly connected between the heater front cover (2) and the circular cover body (11); A group of heater aluminum tubes (6) is fixedly connected between the heater front cover (2) and the circular cover body (11) and located outside the heater heat-insulating inner cylinder (5), wherein the group of heater aluminum tubes (6) comprises a plurality of heater aluminum tubes (6) arranged in a circular shape with equal distances; A group of heating mechanisms are fixedly sleeved on the outer sides of the plurality of heater aluminum tubes (6), and the group of heating mechanisms comprises two groups of heating wires (8) stacked inside and outside.

2. The novel heater structure of the drying roller according to claim 1 is characterized in that: The heat-insulating inner cylinder (5) of the heater is made of a heat-insulating asbestos mesh.

3. The novel heater structure of the drying roller according to claim 1 is characterized in that: The heater heat-insulating inner cylinder (5) is fixedly connected to the heater front cover (2) and the corresponding end surfaces of the circular cover body (11) by spot welding.

4. The novel heater structure of the drying roller according to claim 1 is characterized in that: The heater aluminum tube (6) is fixedly connected to the corresponding end surfaces of the heater front cover (2) and the circular cover body (11) by spot welding.

5. The novel heater structure of the drying roller according to claim 1 is characterized in that: An aluminum tube inner groove (7) is provided between the center positions of the two side walls of the heater aluminum tube (6).

6. The novel heater structure of the drying roller according to claim 1 is characterized in that: The front end of the heater front cover (2) is fixedly mounted with a heater pressure cover (3) via countersunk screws (4).

7. The novel heater structure for a drying roller according to claim 1 is characterized in that: A groove (12) is provided at the center of the rear end of the circular cover body (11), a through groove (13) is provided at the center of the front inner wall of the groove (12), and a plurality of through holes (14) are provided in an annular shape and equidistantly on the front inner wall of the groove (12) and outside the through groove (13).

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