Coal and firewood dual-purpose gasification furnace

Abstract

The utility model belongs to the field of gasification furnaces, and particularly relates to a coal and firewood dual-purpose gasification furnace which comprises an upper furnace body and a lower furnace body which are internally communicated, a feeding port is formed in one side of the upper furnace body, a feeding door is hinged to one side of the feeding port, a smoke outlet is formed in the other side of the upper furnace body, a chimney mounting base is arranged at the smoke outlet, and a hearth lining plate is arranged in the upper furnace body. The hearth lining plate is characterized in that the hearth lining plate is of a split combined structure and is composed of at least two hearth fire-resistant heat preservation plates, a hearth lining plate fixing ring fixed to the inner wall of the upper furnace body is arranged above the hearth lining plate, and the section of the hearth lining plate fixing ring is in a transverse T shape or an L shape. A clamping groove is formed between the vertical plate and the horizontal plate of the hearth lining plate fixing ring and the side wall of the upper furnace body, and the upper end of the hearth lining plate is inserted into the clamping groove. The utility model has the advantages of reasonable structure and convenience and safety in use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of gasification furnace, concretely relates to a coal and firewood dual-purpose gasification furnace. BACKGROUND

[0002] The coal and firewood dual-purpose gasification furnace (combustion furnace) has the advantages of environmental protection and energy saving, and is widely used in rural areas and towns at present, for example, the utility model patent technology of a secondary oxygen-increasing gasification furnace disclosed by the State Intellectual Property Office on December 27, 2022 and authorized with the announcement number CN218146505U, and the name is a kind of secondary oxygen-increasing gasification furnace, it includes bottom plate, the bottom plate top is equipped with furnace body, the furnace body includes lower furnace body and upper furnace body, the lower furnace body and upper furnace body are integral structure and inside intercommunication, the lower furnace body and upper furnace body are equipped with partition, the lower furnace body one side is equipped with ash outlet, the ash outlet inside is equipped with hopper, the upper furnace body side wall and close to ash outlet one side is equipped with inlet, the above-mentioned technology is equipped with several oxygen inlets in the bottom end of the upper furnace body side wall, and the upper furnace body is equipped with furnace chamber baffle, heating cavity is formed between furnace chamber baffle and the inner wall of upper furnace body, when external air enters from oxygen inlet, oxygen in air will be heated, then from the through hole above furnace chamber baffle enters the middle part of upper furnace body and the top of flame, smoke is fully combined, so that smoke is fully burned, avoid producing black smoke, play energy-saving effect.

[0003] The gasification furnace with the above structure still has the following defects when in use:

[0004] 1) the furnace chamber baffle is an arc-shaped structure with one side opening, which is essentially a whole arc-shaped structure of refractory bricks, which is made of integral sintering, and has great processing difficulty and heavy weight, so it is very inconvenient to move the furnace chamber baffle during installation;

[0005] 2) the furnace chamber baffle is installed on the inner side of the upper furnace body, and there is no fixing device between the two, so the furnace chamber baffle is unstable during use;

[0006] 3) although the side cover is provided at the inlet, the side cover does not have a locking device, so it is inconvenient to use;

[0007] 4) the smoke outlet is provided with a smoke pipe mounting base, which protrudes from one side of the furnace body, causing the width to be too large, which is not convenient for transportation and storage. UTILITY MODEL CONTENTS

[0008] The utility model aims to provide a coal and firewood dual-purpose gasification furnace, which improves the structure of the furnace chamber baffle, so that it is more convenient to process and install, and more stable during use.

[0009] The utility model is realized by the following technical solutions:

[0010] The utility model provides a coal and firewood dual-purpose gasification furnace, including the upper furnace body and lower furnace body of inside intercommunication, one side of upper furnace body is equipped with the feed inlet, the hinged feed door of one side of feed inlet, the other side of upper furnace body is equipped with the smoke outlet, is equipped with the chimney installation base at the smoke outlet, is equipped with the hearth lining plate in the inside of upper furnace body, its characterized in that hearth lining plate is the split combination structure, is composed of at least two hearth refractory insulation boards, the upper of hearth lining plate is equipped with the hearth lining plate fixed ring fixed in the inner wall of upper furnace body, the section of hearth lining plate fixed ring is transverse T or L, the vertical plate of hearth lining plate fixed ring, horizontal plate and upper furnace body side wall form a clamping groove, and the upper end of hearth lining plate is inserted into the clamping groove.

[0011] The hearth lining plate of the utility model is same with the hearth baffle structure in the patent with the publication number CN218146505U and the name of a secondary oxygenation gasification furnace, the outer side of the top end and the outer side of both ends are provided with flanging, which is convenient for filling the heat preservation material, and different from the same, the utility model divides it into multiple hearth refractory insulation boards, which are spliced and combined in the inside of the upper furnace body, and the single hearth refractory insulation board is small in size and light in weight, which is convenient for processing and installation.

[0012] The hearth lining plate of the utility model adopts the splicing combination structure, and the plate joint is arranged between the adjacent hearth refractory insulation boards, so that the external air is more conducive to entering.

[0013] The hearth lining plate is fixed through the hearth lining plate fixed ring, so that the hearth lining plate does not displace even when shaking or carrying.

[0014] The furnace body bottom can be provided with supporting legs or rollers (for example, Forma wheels).

[0015] Further, the lower end of the vertical plate of the hearth lining plate fixed ring and the furnace body bottom are provided with multiple railings.

[0016] The utility model adds the railings at the hearth lining plate, so that the hearth lining plate is more stable.

[0017] The hearth lining plate fixed ring and the railings are metal products.

[0018] Further, the side, away from the hinged position, of the feed inlet is provided with a horizontally outward protruding locking rod, the side, away from the hinged position, of the feed door is provided with a locking device corresponding to the position of the locking rod, the locking device includes a locking handle, a locking hook and a connecting rod, the locking handle is located on the outside of the feed door and is connected with the locking hook on the inside of the feed door through the connecting rod, the middle part of the connecting rod is hingedly connected to the feed door through a pin shaft, and the feed door is provided with a movable long slot hole of the connecting rod.

[0019] The locking device is arranged on the feed inlet, so that the feed door can be locked after feeding is completed, and the safety is improved.

[0020] Further, the feeding door inner side is equipped with the sealing groove matched with the feeding port, and the sealing strip is arranged in the sealing groove.

[0021] The sealing ring of the utility model selects the fireproof and high-temperature-resistant sealing strip known in the prior art, such as hydrophobic asbestos belt, ceramic fiber belt, etc.

[0022] Further, the upper furnace body outer side at the smoke outlet is equipped with the outward protruding mounting port, and the inner end of the smoke pipe mounting base is sleeved on the mounting port.

[0023] The utility model changes the smoke pipe mounting base of the integral structure of the prior art and the upper furnace body into the split structure of plug-in mounting, and when transporting and storing, the smoke pipe mounting base can be disassembled to save space.

[0024] Further, the cross section of the mounting port is hollow square, the inner end cross section of the smoke pipe mounting base is hollow square, and the inner end of the smoke pipe mounting base is sleeved outside the mounting port.

[0025] The cross section of the mounting port and the inner end of the smoke pipe mounting base can also be other structures, such as circular or polygonal structures of pentagon, hexagon, etc.

[0026] The utility model has the advantages of reasonable structure, convenient use and safety.

[0027] 1) The furnace inner lining plate is split assembled, the single furnace inner lining plate is small in volume and light in weight, and is convenient for processing and installation.

[0028] 2) The furnace inner lining plate is fixed through the furnace inner lining plate fixing ring and the railing, and is stable in use.

[0029] 3) The feeding door is equipped with the locking device, and the feeding door is locked after feeding, which is safe in use.

[0030] 4) The smoke pipe mounting base and the upper furnace body adopt the plug-in mounting structure, which is convenient to disassemble, and when transporting and storing, the smoke pipe mounting base can be disassembled to save space. DETAILED DESCRIPTION

[0031] Figure 1 It is the structure schematic view of the utility model;

[0032] Figure 2 It is the structure schematic view of the utility model; Figure 1

[0033] Figure 3 It is the structure schematic view of the utility model; Figure 1

[0034] Figure 4 ​​The utility model discloses a structure schematic drawing of feed door.

[0035] Figure 5 For Figure 4 The structure schematic drawing of A-A section in

[0036] Figure 6 The structure schematic drawing of furnace inner lining plate of the utility model is shown in the figure.

[0037] Figure 7 The structure schematic drawing of furnace inner lining plate fixing ring of the utility model is shown in the figure.

[0038] As shown in the figure: 1. leg; 2. lower furnace body; 3. ash bucket; 4. locking hook; 5. locking rod; 6. pin shaft; 7. locking handle; 8. connecting rod; 9. feed door; 9-1. connecting rod movable long slot; 9-2. pin shaft hole; 9-3. sealing strip; 10. feed inlet; 11. upper furnace body; 12. air inlet; 13. mounting port; 14. smoke cylinder mounting base; 15. furnace inner lining plate fixing ring; 16. railing; 17. furnace inner lining plate; 17-1. furnace refractory insulation board; 17-2. air hole. DETAILED DESCRIPTION

[0039] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and the protection scope of the utility model can not be limited by this. It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the technical personnel in the field of the utility model.

[0040] As Figures 1-7The utility model discloses a furnace body, which comprises an upper furnace body 11 and a lower furnace body 2, the upper furnace body 11 and the lower furnace body 2 are connected, a grate plate (not shown in the figure) is arranged between the upper furnace body 11 and the lower furnace body 2, four supporting legs 1 are arranged at the bottom of the lower furnace body 2, one side of the upper furnace body 11 is provided with a feeding port 10 connected with the inside, a feeding door 9 is hinged to one side of the feeding port 10, the other side of the upper furnace body 11 is provided with a mounting port 13 connected with a smoke outlet, a chimney mounting base 14 is sleeved on the mounting port 13, the outer end of the mounting port 13 and the inner end of the chimney mounting base 14 are rectangular in cross section, an arc-shaped hearth lining plate 17 is arranged in the upper furnace body 11 below the smoke outlet, the hearth lining plate 17 is composed of three hearth refractory insulation plates 17-1, a plurality of air holes 17-2 are arranged on the hearth refractory insulation plate 17-1, the top end of the hearth lining plate 17 is provided with a flange on the outer side and the two ends, so that a gap is formed between the hearth lining plate 17 and the side wall of the upper furnace body 11, an air inlet 12 is arranged at the bottom of the upper furnace body 11 and connected with the gap, a hearth lining plate fixing ring 15 is welded on the inner wall of the upper furnace body 11 above the hearth lining plate 17, the hearth lining plate fixing ring 15 is T-shaped in cross section, a clamping groove is formed between the vertical plate of the hearth lining plate fixing ring 15, the horizontal plate and the side wall of the upper furnace body 11, the upper end of the hearth lining plate 17 is inserted into the clamping groove, and a plurality of railings 16 are arranged between the lower end of the vertical plate of the hearth lining plate fixing ring 15 and the bottom of the upper furnace body 11.

[0041] When the hearth lining plate 17 is installed in the upper furnace body, the three hearth refractory insulation plates 17-1 are sequentially placed in the upper furnace body 11 and arranged in an arc-shaped structure, the hearth lining plate fixing ring 15 is welded in the upper furnace body 11, and then the railings 16 are welded between the hearth lining plate fixing ring 15 and the bottom of the upper furnace body 11.

[0042] Before use, the chimney mounting base 14 is installed on the upper furnace body 11 through the mounting port 13, coal or firewood is added into the furnace body through the feeding port 10, the feeding door 9 is closed after the feeding is completed, the locking handle 7 is pressed downward to rotate 90°, so that the locking hook 4 hooks the locking rod 5, and the feeding port 10 is closed for use.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A coal-fired dual-purpose gasifier, comprising an upper furnace body and a lower furnace body connected to each other, a feed port on one side of the upper furnace body, a feed door hinged to one side of the feed port, a smoke outlet on the other side of the upper furnace body, a chimney mounting base at the smoke outlet, a furnace lining plate inside the upper furnace body, characterized in that The furnace lining plate is a split combination structure, consisting of at least two furnace refractory insulation plates. A furnace lining plate fixing ring is provided above the furnace lining plate and is fixed to the inner wall of the upper furnace body. The cross-section of the furnace lining plate fixing ring is a horizontal T-shape or L-shape. A slot is formed between the vertical plate, horizontal plate and the side wall of the upper furnace body of the furnace lining plate fixing ring, and the upper end of the furnace lining plate is inserted into the slot.

2. A coal-fired dual-purpose gasifier according to claim 1, characterized in that A plurality of railings are provided between the lower end of the vertical plate of the furnace lining plate fixing ring and the bottom of the upper furnace body.

3. A coal-fired dual-purpose gasifier according to claim 1, characterized in that A locking rod protruding horizontally outward is provided on the side of the feed port away from the hinged position, and a locking device corresponding to the position of the locking rod is provided on the side of the feed door away from the hinged position. The locking device includes a locking handle, a locking hook and a connecting rod. The locking handle is located on the outside of the feed door and is connected to the locking hook on the inside of the feed door through a connecting rod. The middle part of the connecting rod is hinged to the feed door through a pin shaft, and a long strip hole for a connecting rod movement is provided on the feed door.

4. A coal-fired dual-purpose gasifier according to claim 3, characterized in that A sealing groove matching the feed port is provided on the inner side of the feed door, and a sealing ring is provided in the sealing groove.

5. The coal-fired dual-purpose gasifier according to claim 1, characterized in that An outwardly protruding mounting opening is provided on the outer side of the upper furnace body at the smoke outlet, and the inner end of the chimney mounting base is sleeved on the mounting opening.

6. The coal-fired dual-purpose gasifier according to claim 5, characterized in that The cross section of the installation opening is a hollow square, the cross section of the inner end of the chimney installation base is a hollow square, and the inner end of the chimney installation base is sleeved on the outside of the installation opening.

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