CN220648638U

CN220648638U - Coal-fired hot-air furnace

Info

Publication number: CN220648638U
Application number: CN202321869814.XU
Authority: CN
Inventors: 罗来兵
Original assignee: Hubei Xintianhong New Material Technology Co ltd
Current assignee: Hubei Xintianhong New Material Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-22
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a coal-fired hot blast stove which comprises a base, wherein the top of the base is fixedly connected with a vertical frame, a coal-fired tank is fixedly connected to the vertical frame, a raw coal burner is arranged at the bottom of the coal-fired tank in a penetrating manner, a sedimentation tank is inserted in the top of the coal-fired tank in a sliding manner, a furnace body is inserted in the top of the sedimentation tank in a sliding manner, and a disassembly and assembly mechanism is arranged on the coal-fired tank; the dismounting mechanism comprises two fixed sleeves fixedly connected to the outer wall of the settling tank, and two symmetrically distributed mounting sleeves are fixedly connected to the outer wall of the furnace body; this coal-fired hot-blast furnace can conveniently dismantle furnace body and setting tank from coal-fired jar through the dismouting mechanism that sets up to can clear up its inside fast, prevent the excessive effect of dust impurity to the drying effect of material, and increase furnace body and setting tank and life, easy to assemble simultaneously, labour saving and time saving.

Description

Coal-fired hot-air furnace

Technical Field

The utility model relates to the technical field of hot blast stoves, in particular to a coal-fired hot blast stove.

Background

The coal-fired hot air furnace adopts the direct combustion of fuel, forms hot air through high purification treatment, is in direct contact with materials for heating and drying or baking, has various varieties and complete series, is divided into a hand-fired hot air furnace and a mechanical combustion hot air furnace in a coal adding mode, and can be divided into a direct-fired hot air furnace, an indirect-fired hot air furnace and a split-type hot air furnace by coal.

The publication number is CN218001563U discloses a direct coal hot-blast stove, which belongs to the technical field of coal hot-blast stoves. The direct coal-fired hot blast stove comprises a hot blast stove main body part and a heat collecting and circulating mechanism. The hot blast stove main body part includes furnace body, raw coal combustor, combustion fan, hot-blast exhaust pipe and exhaust pipe, the raw coal combustor install in furnace body one side, just raw coal combustor air outlet with the furnace body air intake is linked together, combustion fan install in raw coal combustor one side, just combustion fan air outlet with raw coal combustor air intake is linked together. The preheated air in the box body enters the combustion fan through the connecting pipe and is conveyed to the raw coal burner to be heated, and when the box body is in a negative pressure state, the outside air can be supplemented into the box body from the air inlet. Because the gas input into the raw coal burner is preheated, when the air is heated again, the energy consumption of the raw coal burner can be effectively reduced.

But the coal-fired hot-blast stove has the defects that when the equipment conveys hot gas generated by the raw coal burner into the stove body for heating and drying, raw coal powder is often mixed with the generated hot gas, so that the inner wall of the stove body is easily covered by the raw coal powder, the drying effect on materials can be influenced if the raw coal powder is not cleaned in time, and the service life of the stove body can be shortened.

To this end, the present utility model provides a coal-fired hot blast stove to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a coal-fired hot blast stove, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the coal-fired hot blast stove comprises a base, wherein a vertical frame is fixedly connected to the top of the base, a coal-fired tank is fixedly connected to the vertical frame, a raw coal burner is installed at the bottom of the coal-fired tank in a penetrating manner, a sedimentation tank is inserted in the top of the coal-fired tank in a sliding manner, a furnace body is inserted in the top of the sedimentation tank in a sliding manner, and a disassembly and assembly mechanism is arranged on the coal-fired tank;

the disassembly and assembly mechanism comprises two fixed sleeves fixedly connected to the outer wall of the settling tank, two symmetrically distributed installation sleeves are fixedly connected to the outer wall of the furnace body, a slot is formed in the bottom of each installation sleeve, two fixing rods which are symmetrically distributed are fixedly connected to the top of each vertical frame, the two fixing rods respectively slide and penetrate through the corresponding fixed sleeves, the top ends of the fixing rods respectively slide and extend into the corresponding slots, bolts are fixedly connected to the top ends of the fixing rods, the bolts slide and penetrate through the installation sleeves, nuts are sleeved on the bolts in a threaded mode, clamping plates are fixedly sleeved on the fixing rods, and the top portions of the clamping plates are in contact with the bottoms of the corresponding fixed sleeves.

Preferably, the fastening hole has been seted up on the dead lever, one side of fixed sleeve is connected with the drum in a run-through way, one side inner wall of drum rotates the through connection has the threaded rod, the thread bush is equipped with the screw sleeve on the threaded rod, screw sleeve's one end slip extends to in the fastening hole, screw rod keeps away from screw sleeve's one end fixedly connected with hand wheel, can conveniently be in the same place dead lever and fixed sleeve fastening connection through the fastening hole, drum, threaded rod, screw sleeve and hand wheel collocation use that set up, make things convenient for the dismouting simultaneously.

Preferably, the top fixedly connected with combustion-supporting fan of base, the gas outlet of combustion-supporting fan and the air inlet fixed connection of raw coal combustor, the combustion-supporting effect is realized to its transport air current of raw coal burning through the combustion-supporting fan that sets up, improves its combustion efficiency to the raw coal powder.

Preferably, the top through-connection of furnace body has the scavenge pipe, the intraductal fixedly connected with of scavenge air fan, the intraductal fixedly connected with dust filter net of scavenge air, scavenge air fan and dust filter net collocation through setting up use can make things convenient for the air current circulation, conveniently take a breath.

Preferably, a plurality of toper baffles of fixedly connected with in the setting tank, two that correspond all offer first ventilative mouth on the toper baffle, correspond offer two symmetrical distribution's second ventilative mouths on the toper baffle, through setting up first ventilative mouth and the second ventilative mouth that dislocation distributes on the toper baffle can initiatively intercept the great dust impurity of volume when the air current passes in, prevent that it from entering into in the furnace body and causing great influence to the material.

Preferably, a plurality of fretwork supporter of fixedly connected with in the furnace body, the outer wall of furnace body is connected with same chamber door through two hinges are articulated, one side of chamber door is connected with the outer wall block of furnace body through two buckles, can conveniently put into the furnace body with the chamber door collocation use through fretwork supporter and the chamber door that set up, facilitate the use.

Preferably, the fixed cover of outer wall of setting tank is equipped with first sealed pad, the bottom of first sealed pad contacts with the top of coal-fired jar, the fixed cover of outer wall of furnace body is equipped with the second sealed pad, the bottom of second sealed pad and the top fixed connection of setting tank can seal the gap of connection between setting tank, coal-fired jar and the furnace body through the first sealed pad and the second sealed pad that set up, prevent that steam from losing.

Preferably, the movable through hole has been seted up to the inner wall of drum, screw sleeve's outer wall fixedly connected with gag lever post, the one end slip of gag lever post runs through the movable through hole, can carry out spacingly to screw sleeve through movable through hole and the gag lever post that sets up, avoids it to take place to rotate unable smooth movement.

Advantageous effects

The utility model provides a coal-fired hot-air furnace. Compared with the prior art, the method has the following beneficial effects:

(1) This fire coal hot-blast furnace, can conveniently dismantle furnace body and setting tank from fire coal jar through the dismouting mechanism that sets up to can clear up its inside fast, prevent the excessive effect of dust impurity to the drying effect of material, and increase furnace body and setting tank and life, easy to assemble simultaneously, labour saving and time saving.

(2) The first ventilation port and the second ventilation port which are arranged on the conical baffle plate and distributed in a staggered mode can actively intercept dust impurities with larger volume when the airflow enters, so that the dust impurities are prevented from entering the furnace body to cause larger influence on materials.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the configuration of the conical baffle, first ventilation port and second ventilation port of the present utility model;

fig. 4 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 1. a base; 2. a vertical frame; 3. a coal-fired tank; 4. a raw coal burner; 5. a settling tank; 6. a furnace body; 7. a fixed sleeve; 8. a mounting sleeve; 9. a slot; 10. a fixed rod; 11. a bolt; 12. a nut; 13. a clamping plate; 14. a fastening hole; 15. a cylinder; 16. a threaded rod; 17. a threaded sleeve; 18. a hand wheel; 19. a combustion fan; 20. an air exchanging pipe; 21. an air dispersing fan; 22. a dust filtering net; 23. a conical baffle; 24. a first ventilation port; 25. a second ventilation port; 26. hollow article placing shelf; 27. a first gasket; 28. a second gasket; 29. a movable through hole; 30. and a limit rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 2 and 4, a coal-fired hot blast stove comprises a base 1, wherein a vertical frame 2 is fixedly connected to the top of the base 1, a coal-fired tank 3 is fixedly connected to the vertical frame 2, a raw coal burner 4 is installed at the bottom of the coal-fired tank 3 in a penetrating manner, a sedimentation tank 5 is inserted in the top of the coal-fired tank 3 in a sliding manner, a stove body 6 is inserted in the top of the sedimentation tank 5 in a sliding manner, and a disassembly and assembly mechanism is arranged on the coal-fired tank 3;

the disassembly and assembly mechanism comprises two fixing sleeves 7 fixedly connected to the outer wall of the settling tank 5, two symmetrically distributed mounting sleeves 8 are fixedly connected to the outer wall of the furnace body 6, slots 9 are formed in the bottom of the mounting sleeves 8, two symmetrically distributed fixing rods 10 are fixedly connected to the top of the vertical frame 2, the two fixing rods 10 respectively penetrate through the corresponding fixing sleeves 7 in a sliding mode, the top ends of the two fixing rods 10 respectively extend into the corresponding slots 9 in a sliding mode, bolts 11 are fixedly connected to the top ends of the fixing rods 10, the bolts 11 penetrate through the mounting sleeves 8 in a sliding mode, nuts 12 are sleeved on the bolts 11 in a threaded mode, clamping plates 13 are fixedly sleeved on the fixing rods 10, and the tops of the clamping plates 13 are in contact with the bottoms of the corresponding fixing sleeves 7; the fixing rod 10 is provided with a fastening hole 14, one side of the fixing sleeve 7 is connected with a cylinder 15 in a penetrating way, the inner wall of one side of the cylinder 15 is connected with a threaded rod 16 in a rotating and penetrating way, the threaded rod 16 is provided with a threaded sleeve 17 in a threaded sleeve way, one end of the threaded sleeve 17 extends into the fastening hole 14 in a sliding way, and one end of the threaded rod 16 far away from the threaded sleeve 17 is fixedly connected with a hand wheel 18; the inner wall of the cylinder 15 is provided with a movable through hole 29, the outer wall of the threaded sleeve 17 is fixedly connected with a limiting rod 30, and one end of the limiting rod 30 penetrates through the movable through hole 29 in a sliding mode.

Embodiment two:

referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: the top of the base 1 is fixedly connected with a combustion-supporting fan 19, and an air outlet of the combustion-supporting fan 19 is fixedly connected with an air inlet of the raw coal burner 4; the top of the furnace body 6 is connected with an air exchanging pipe 20 in a penetrating way, an air dispersing fan 21 is fixedly connected in the air exchanging pipe 20, and a dust filtering net 22 is fixedly connected in the air exchanging pipe 20; a plurality of conical baffles 23 are fixedly connected in the sedimentation tank 5, a first ventilation opening 24 is formed in each of the two corresponding conical baffles 23, and two second ventilation openings 25 which are symmetrically distributed are formed in each of the corresponding conical baffles 23; a plurality of hollowed-out storage racks 26 are fixedly connected in the furnace body 6, the outer wall of the furnace body 6 is hinged with the same box door through two hinges, and one side of the box door is connected with the outer wall of the furnace body 6 in a clamping manner through two buckles; the fixed cover of outer wall of settling cask 5 is equipped with first sealed pad 27, and first sealed pad 27 adopts the rubber material preparation to form, and the bottom of first sealed pad 27 contacts with the top of coal-fired jar 3, and the fixed cover of outer wall of furnace body 6 is equipped with the second sealed pad 28, and the second sealed pad 28 adopts the rubber material preparation, and the bottom of second sealed pad 28 and the top fixed connection of settling cask 5.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, firstly, the coal grinding powder spraying machine is firmly connected with a feed inlet of a raw coal burner 4 to enable the raw coal burner to stably feed, then the raw coal burner 4 is started to burn and heat, a combustion-supporting fan 19 ventilates and supports combustion of the raw coal burner 4, hot gas entering a settling tank 5 sequentially passes through a first ventilation opening 24 at the lower part, two second ventilation openings 25 in the middle and the first ventilation opening 24 at the upper part, large-volume powder impurities mixed with the hot gas are blocked, and finally the hot gas enters a furnace body 6 to heat materials placed on a hollowed-out storage rack 26, and then the hot gas is sprayed out through a ventilation pipe 20 until the materials are dried; when the device is used for a long time, the interior of the settling tank 5 and the furnace body 6 needs to be cleaned, at the moment, two nuts 12 can be screwed to separate the settling tank 5 from bolts 11, then the furnace body 6 is pulled up to separate the settling tank 5 from the settling tank, then a hand wheel 18 is screwed, the hand wheel 18 drives a threaded sleeve 17 in threaded connection with the settling tank through a threaded rod 16 to move, the threaded sleeve 17 is separated from a fastening hole 14, then the settling tank 5 is pulled up to separate the settling tank from the coal burning tank 3, and the device can be installed after cleaning is completed by reverse operation.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal-fired hot-blast furnace, includes base (1), its characterized in that: the device is characterized in that a vertical frame (2) is fixedly connected to the top of the base (1), a coal burning tank (3) is fixedly connected to the vertical frame (2), a raw coal burner (4) is installed at the bottom of the coal burning tank (3) in a penetrating mode, a sedimentation tank (5) is inserted into the top of the coal burning tank (3) in a sliding mode, a furnace body (6) is inserted into the top of the sedimentation tank (5) in a sliding mode, and a dismounting mechanism is arranged on the coal burning tank (3);

the disassembly and assembly mechanism comprises two fixing sleeves (7) fixedly connected to the outer wall of the settling tank (5), two symmetrically distributed mounting sleeves (8) are fixedly connected to the outer wall of the furnace body (6), inserting grooves (9) are formed in the bottom of the mounting sleeves (8), two symmetrically distributed fixing rods (10) are fixedly connected to the top of the stand (2), the two fixing rods (10) respectively slide to penetrate through the corresponding fixing sleeves (7), the two top ends of the fixing rods (10) respectively slide to extend into the corresponding inserting grooves (9), bolts (11) are fixedly connected to the top ends of the fixing rods (10), the bolts (11) slide to penetrate through the mounting sleeves (8), nuts (12) are arranged on the threaded sleeves of the bolts (11), clamping plates (13) are fixedly sleeved on the fixing rods (10), and the tops of the clamping plates (13) are in contact with the bottoms of the corresponding fixing sleeves (7).

2. A coal-fired hot blast stove according to claim 1, characterized in that: the fixing device is characterized in that a fastening hole (14) is formed in the fixing rod (10), a cylinder (15) is connected to one side of the fixing sleeve (7) in a penetrating manner, a threaded rod (16) is connected to one side inner wall of the cylinder (15) in a rotating manner in a penetrating manner, a threaded sleeve (17) is arranged on the threaded rod (16) in a threaded sleeve manner, one end of the threaded sleeve (17) is slidingly extended into the fastening hole (14), and a hand wheel (18) is fixedly connected to one end of the threaded rod (16) away from the threaded sleeve (17).

3. A coal-fired hot blast stove according to claim 2, characterized in that: the top of base (1) fixedly connected with combustion-supporting fan (19), the gas outlet of combustion-supporting fan (19) is fixedly connected with the air inlet of raw coal combustor (4).

4. A coal-fired hot blast stove according to claim 1, characterized in that: the top of furnace body (6) is connected with ventilation pipe (20) in a penetrating way, ventilation fan (21) is fixedly connected with in ventilation pipe (20), dust filter screen (22) is fixedly connected with in ventilation pipe (20).

5. A coal-fired hot blast stove according to claim 1, characterized in that: a plurality of conical baffles (23) are fixedly connected in the sedimentation tank (5), a first ventilation opening (24) is formed in each corresponding conical baffle (23), and two second ventilation openings (25) which are symmetrically distributed are formed in each corresponding conical baffle (23).

6. A coal-fired hot blast stove according to claim 1, characterized in that: the novel furnace is characterized in that a plurality of hollowed-out storage racks (26) are fixedly connected in the furnace body (6), the outer wall of the furnace body (6) is hinged with the same box door through two hinges, and one side of the box door is connected with the outer wall of the furnace body (6) in a clamping mode through two buckles.

7. A coal-fired hot blast stove according to claim 1, characterized in that: the outer wall fixed cover of settling cask (5) is equipped with first sealed pad (27), the bottom of first sealed pad (27) contacts with the top of coal-fired jar (3), the outer wall fixed cover of furnace body (6) is equipped with second sealed pad (28), the bottom of second sealed pad (28) and the top fixed connection of settling cask (5).

8. A coal-fired hot blast stove according to claim 2, characterized in that: the inner wall of the cylinder (15) is provided with a movable through hole (29), the outer wall of the threaded sleeve (17) is fixedly connected with a limiting rod (30), and one end of the limiting rod (30) penetrates through the movable through hole (29) in a sliding mode.