CN209409403U - A lignite environment-friendly and clean briquette forming machine for laboratory use - Google Patents

Abstract

The utility model discloses a lignite environment-friendly and clean briquette forming machine for laboratory use. The forming machine includes a forming device and a pressure source. The forming device is composed of a metal frame, a piston, a mold and a cover plate. The forming device and the Stressors grouped together. The utility model realizes laboratory production of environmentally friendly and clean briquettes, contributes to the research and development of briquette additive formulations and briquette production processes, and can also be applied to biomass briquettes, biomass briquettes and bituminous coal, anthracite, coke, Research and development of environmentally friendly and clean briquettes with semi-coke and peat as raw materials, realize modularization of accessories, and can be quickly installed to meet the needs of laboratories for environmentally friendly and clean briquettes.

Description

A lignite environment-friendly and clean briquette forming machine for laboratory use

technical field

The utility model relates to the technical field of lignite processing and utilization, in particular to an environment-friendly and clean lignite forming machine for laboratories.

Background technique

China has achieved rapid development with the help of coal energy. The coal-based energy structure and the industrialization of clean coal technology have lagged behind, resulting in severe winter atmospheric smog dominated by soot in Northeast China, Inner Mongolia, and Shanxi. The external cause of smog is weather, and the internal cause is emissions. The pollution caused by coal burning is the main factor. The industrial production and popularization of environmentally friendly and clean briquettes, and the control of CO2 and SO2 emissions are effective measures to solve the problem of large coal consumption and serious air pollution, and are the first choice for regional air governance.

Coal briquettes process pulverized or fine-grained coal into block fuels with certain geometric shapes (such as oval and cylindrical shapes), certain sizes, and certain physical and chemical properties with appropriate technology and equipment. Compared with loose coal (raw coal), briquette coal saves coal resources, and can significantly reduce air pollution, and has the characteristics of convenient storage, transportation and use.

The production of high-quality coal briquettes requires the mutual support of raw materials, processes and equipment. The forming machine is the key equipment in the production of briquette coal, providing suitable forming pressure. Its selection depends on the characteristics of the raw coal, the use of the briquette coal and the pressure during forming, etc. factor based. Due to the lag in research on molding mechanism and molding equipment, the development of environmentally friendly and clean briquette industry is restricted. It is necessary to combine the raw material characteristics and product requirements of briquette to speed up the research on environmentally friendly and clean molding technology and equipment. All there is certain weak point in existing briquette forming machine.

Laboratory research is convenient for process control and parameter optimization of clean briquette additive formula and briquette forming process, thus providing necessary process parameters and technical support for industrial scale-up.

At present, there is a lack of environmentally friendly and clean briquette forming machines for laboratories, and the forming device has complex structures and cannot be quickly installed. For this reason, the utility model proposes a lignite environmentally friendly and clean briquette forming machine for laboratories.

Utility model content

The purpose of the utility model is to solve the problems in the prior art, and propose a lignite environment-friendly and clean briquette forming machine for laboratory use.

The essence of environmentally friendly and clean briquette molding is to apply external pressure to generate a permanent cohesive force inside the coal product, so that the coal particles are tightly combined to have a certain mechanical strength. Due to the lag in the research on molding equipment and the constraints on the development of the environmentally friendly clean briquette industry, in order to overcome the lack of laboratory clean briquette molding machines in the prior art, the complex structure of the molding device, and the inability to achieve rapid installation, the utility model provides a The lignite environmentally friendly and clean briquette forming machine for the laboratory provides laboratory forming machines from the source to realize the laboratory production of environmentally friendly and clean briquettes. Material briquette, biomass briquette fuel and bituminous coal, anthracite, coke, semi-coke, peat are used as raw materials for the research and development of environmentally friendly and clean briquettes, and the modularization of accessories can be realized, which can be quickly installed to meet the needs of laboratory environmental protection and clean briquettes. .

In order to achieve the above object, the utility model adopts the following technical solutions:

A lignite environment-friendly and clean briquette forming machine for laboratory use, the forming machine includes a forming device and a pressure source, the forming device is composed of a metal frame, a piston, a mold and a cover plate, and the forming device is combined with the pressure source ;

The metal frame is composed of two vertical columns and a horizontal support base, a top plate, and a shelf. Guide plates are welded on the inner walls on both sides of the upper end of the column, the support base is welded on the lower end of the column, and the top plate is welded At the upper end of the column and in contact with the guide plate, the shelf is fixedly installed in the middle of the two vertical columns.

Preferably, there is a circular hole in the middle of the shelf with a diameter of 4-10 cm.

Preferably, the diameter of the mold is 4-8 cm when the cross-sectional profile is circular or the side length is 4-8 cm when the cross-sectional profile is square, and the height of the mold is 6-12 cm.

Preferably, the upper end of the piston is a cylindrical or square iron column, and the cross section closely matches the inner diameter of the mold. When the cross section profile is circular, the diameter is 4-8cm or the cross section profile is a square with a side length of 4-8cm, and the bottom end is Iron sheet, the iron sheet is round or square, and the cross section is larger than the round hole in the middle of the shelf.

Preferably, the pressure source is a vertical jack with a pressure gauge, the pressure gauge is marked with a scale of 0-100 MPa, and the pressure-bearing column of the jack rises to a height of 8-20 cm.

Preferably, the molding device is detachable and separate from the pressure source.

Preferably, the support base is I-shaped, and the inside of the support base is fixed with reinforcement ribs, the shape of the reinforcement ribs is an equilateral triangle, the number of the reinforcement ribs is three groups, and the equidistant Distributed inside the support base.

Preferably, the upper surface of the support base is provided with a slideway for installing a pressure source, stoppers are fixedly installed on both sides of the front end of the slideway, and compression springs are fixedly installed on both sides of the upper end of the slideway.

Compared with the prior art, the utility model provides a lignite environment-friendly and clean briquette forming machine for laboratory use, which has the following beneficial effects:

(1) The molding machine is based on the surface characteristics and bonding mechanism of coal, and takes the molding characteristic curve as the theoretical basis. It focuses on providing a continuous and stable molding pressure source, cooperates with the pressure transmission piston, and fills the mold with raw materials to realize the molding device and pressure source. According to the characteristics of the raw material lignite, the molding conditions are controlled to complete the research and development and production of laboratory briquettes, and the operation is simple.

(2) The metal frame, pressure source, mold, piston, and cover plate included in the forming machine can be welded and purchased by themselves, and can be installed quickly. It can be applied to the research and development of environmentally friendly and clean briquette additive formulas, and the optimization of environmentally friendly and clean briquette manufacturing processes , Environmentally friendly and clean briquette quality control, suitable for professional colleges or individuals engaged in innovative research, design guidance, technical training, etc. of briquette and briquette fuel.

The parts not involved in the device are the same as the prior art or can be realized by adopting the prior art. The utility model has the advantages of simple structure and convenient operation.

Description of drawings

Fig. 1 is the structural representation of a kind of laboratory lignite environment-friendly clean briquette molding machine that the utility model proposes;

Fig. 2 is a side view of the supporting base of a lignite environmental protection and clean briquette forming machine for laboratories proposed by the utility model;

Fig. 3 is a front view of a support base of a lignite environment-friendly and clean briquette forming machine for laboratories proposed by the utility model.

In the figure: 1. Forming device; 2. Pressure source; 3. Metal frame; 4. Piston; 5. Mold; 6. Cover plate; 7. Column; 8. Support base; 9. Top plate; 10. Guide plate; 11 1. Shelf; 12. Rib; 13. Slideway; 14. Block; 15. Compression spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

As shown in Figure 1, a lignite environmentally friendly clean briquette molding machine for laboratory use, the molding machine includes a molding device 1 and a pressure source 2, the molding device 1 is composed of a metal frame 3, a piston 4, a mold 5 and a cover plate 6, and the molding The device 1 is combined with the pressure source 2;

The metal frame 3 is composed of two vertical columns 7 and a horizontal support base 8, a top plate 9, and a shelf 11. Guide plates 10 are welded on the inner walls on both sides of the upper end of the column 7, and the support base 8 is welded on the lower end of the column 7. The top plate 9 is welded on the upper end of column 7, and contacts with guide plate 10, and shelf 11 is fixedly installed in the middle position of two vertical columns 7.

There is a round hole in the middle of the shelf 11, with a diameter of 4-10 cm, which is convenient for the pressure-bearing column of the pressure source 2 to lift upwards, pushes the piston 4 into the mold 5, and compacts the lignite raw material in the mold 5 to promote the molding of environmentally friendly and clean briquettes and pressure maintenance.

When the cross-sectional profile of the mold 5 is a circle, the diameter is 4-8cm or the side length is 4-8cm when the cross-sectional profile is a square, and the height of the mold 5 is 6-12cm. The cross-sectional shape of the mold 5 determines the shape of the environmentally friendly clean briquette is The cylinder is still blocky and the degree of difficulty of forming, the height of the mold 5 determines the amount of fillers, compression ratio and height, density, and calorific value of the briquette before extrusion molding, such as lignite, and the briquette product.

The upper end of the piston 4 is a cylindrical or square iron column, and the cross-section closely matches the inner diameter of the mold 5. When the cross-sectional profile is circular, the diameter is 4-8cm or the cross-sectional profile is a square with a side length of 4-8cm. The bottom end is an iron sheet. The iron sheet is circular or square, and its cross-section is larger than the round hole in the middle of the shelf 11;

The piston 4 should be used in conjunction with the mold 5. The inner diameter of the piston 4 is consistent with the size of the mold 5, and the cross-section of the piston 4 closely matches the inner diameter of the mold 5, so that the lignite, etc. The extrusion molding of raw materials provides stable molding pressure. The bottom end of the piston 5 is an iron sheet, and the cross section is larger than the middle hole of the shelf 11, so as to ensure that the piston 4 can be placed on the shelf 11 stably when the mold 5 is filled.

The pressure source 2 is a vertical jack with a pressure gauge, the pressure gauge is marked with a scale of 0-100 MPa, and the pressure-bearing column of the jack rises to a height of 8-20 cm; the lifting and supporting functions of the jack are transformed into the longitudinal molding of the molding machine Pressure, the lifting height of the pressure-bearing column is 8-20 cm, combined with the height of the jack itself, it is enough to lift the mold 5 and the briquettes formed therein to the top plate 9 made of high-strength steel plates, and the resulting forming pressure can meet the requirements of environmental protection and clean briquettes Production needs, with a pressure gauge, the molding pressure can be adjusted according to the raw material characteristics, raw material particle size, raw material moisture content, and whether molding additives are added, which is helpful for environmentally friendly and clean coal molding, additive formula, and production. Technology research and development.

As shown in Figure 2, the support base 8 is I-shaped, and the inside of the support base 8 is fixedly equipped with reinforcing ribs 12, the shape of the reinforcing ribs 12 is an equilateral triangle, the number of the reinforcing ribs 12 is three groups, and the equidistant Distributed inside the support base 8,

The strength of the supporting base 8 can be increased through the provided reinforcing ribs 12 , and the reinforcing ribs 12 are in the shape of an equilateral triangle, and the strength of the supporting base 8 can be further improved by utilizing the principle of the stability of a triangle.

The forming device 1 and the pressure source 2 are detachable and separated; it is convenient to replace the pressure source 2 according to the raw materials and products of environmentally friendly and clean briquettes, and the movement is convenient.

As shown in Figure 3, the upper surface of the support base 8 is provided with a slideway 13 for installing the pressure source 2, the front end of the slideway 13 is fixed on both sides with stoppers 14, and both sides of the upper end of the slideway 13 are fixedly installed with pressure Spring 15.

Slide the base of the pressure source 2 into the support base 8 along the slideway 13, the pressure source 2 can be quickly installed, the stopper 14 can prevent the base of the pressure source 2 from slipping out, and the compression springs 15 on both sides of the upper end can be squeezed by elastic force The pressure source 2 prevents the pressure source 2 from shaking during work.

It should be noted that the utility model discloses a lignite environment-friendly and clean briquette forming machine for laboratories. When in use, at first, 500g of 40 meshes, adjusted to a moisture content of 12% air-dried lignite, is put into the mold 5, and the mold 5 The cross-sectional profile is circular, with a diameter of 6 cm, and the height of the mold 5 is 10 cm;

Then, above the support base 8, the vertical jack with a pressure gauge scale of 0-100 MPa is shaken by the handle, and the pressure-bearing column of the jack is lifted up, and the middle diameter of the shelf 11 that passes through the metal frame 3 welded is 6cm. Round hole, push the piston 4 on the shelf 11 to move up into the mold 5, cover the cover plate 6, as the piston 4 lifts up, the lignite raw material in the mold 5 is squeezed and gradually compacted, and the environmentally clean type is being formed The coal is pushed forward for a certain distance, while the mold 5 rises, and under the guidance of the guide plates 10 on both sides of the two longitudinal columns 7 of the metal frame 3, it reaches the top plate 9 vertically upwards, and finally, continues to pressurize until 20Mpa, and Maintain the pressure at 20Mpa for 10 minutes. At this time, the pressure-bearing column of the jack rises to a height of 14 cm. Remove the pressure, take out the lignite briquettes, and obtain environmentally clean briquettes after cooling.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. a kind of use for laboratory lignite environment protection clean briquette shaper, which is characterized in that the molding machine includes molding machine (1) With pressure source (2), the molding machine (1) is made of metal framework (3), piston (4), mold (5) and cover board (6), it is described at Type device (1) is combined with pressure source (2)；

The metal framework (3) is by the column (7) of two longitudinal directions and support base (8), the top plate (9), shelf (11) of transverse direction It constitutes, is welded with guide plate (10) on the upper end two sides inner wall of the column (7), the support base (8) is welded on column (7) Lower end, the top plate (9) is welded on the upper end of column (7), and is in contact with guide plate (10), the fixed peace of the shelf (11) Mounted in the middle position of the column (7) of two longitudinal directions.

2. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that described to put There is circular hole among plate (11), diameter is 4-10 cm.

3. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that the mould Side length 4-8cm when diameter 4-8cm or cross-sectional profiles are square when the cross-sectional profiles of tool (5) are round, mold (5) height It is 6-12cm.

4. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that the work Filling in (4) upper end is cylindric or tetragonal body iron prop, and cross section tightly coincide with mold (5) internal diameter, when cross-sectional profiles are round Diameter 4-8cm or cross-sectional profiles are square side length 4-8cm, and bottom end is iron plate, and iron plate is circle or rectangular, and cross section is greater than The intermediate circular hole of shelf (11).

5. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that the pressure Power source (2) is band pressure gauge upright jack, and pressure gauge indicates 0-100 MPa scale, the pressure-bearing column lifting heights 8- of jack 20 cm。

6. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that it is described at Type device (1) and pressure source (2) are detachable, separate.

7. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1, which is characterized in that the branch It is in I-shaped for supportting pedestal (8), and the inside of the support base (8) is fixedly installed with reinforcing rib (12), the reinforcing rib (12) Shape be equilateral triangle, the quantity of the reinforcing rib (12) is three groups, and equidistant is distributed in the interior of support base (8) Portion.

8. a kind of use for laboratory lignite environment protection clean briquette shaper according to claim 1 or 6, which is characterized in that institute The upper surface for stating support base (8) offers slideway (13) for installing pressure source (2), the front end two sides of the slideway (13) It is fixedly installed with block (14), the upper end two sides of the slideway (13) are fixedly installed with pressure spring (15).