CN221570601U

CN221570601U - Temperature control heat exchange type gas hot-blast stove

Info

Publication number: CN221570601U
Application number: CN202323432185.7U
Authority: CN
Inventors: 周洁; 王进
Original assignee: Nanjing Prandtl Heat Transfer Equipment Co ltd
Current assignee: Nanjing Prandtl Heat Transfer Equipment Co ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-08-20
Anticipated expiration: 2033-12-15

Abstract

The utility model discloses a temperature-control heat exchange type gas hot blast stove which comprises a combustion chamber, wherein a heating bin is arranged at the top of the combustion chamber, a purifying box is arranged at the top of the heating bin, heat exchange pipes are arranged at two sides of the inside of the heating bin, a hot air inlet communicated with the combustion chamber is arranged in the middle of the bottom of the inside of the heating bin, an air inlet pipe communicated with the heat exchange pipes is arranged at the top of one side of the heating bin, and an air outlet pipe communicated with the heat exchange pipes is arranged at the bottom of the other side of the heating bin; according to the utility model, through the mutual matching among the rotating rod, the cleaning brush, the impact head, the guide block, the spring, the motor, the cam and the push rod, the impact head is pushed to impact the filter screen in a controllable intermittent manner during flue gas purification, and the impact is utilized to generate vibration, so that dust impurities filtered by the filter screen can be shaken down into the collecting box to be collected, the filter screen is prevented from being blocked by dust, the dredging times of the filter screen can be reduced, and the working efficiency of the device is improved.

Description

Temperature control heat exchange type gas hot-blast stove

Technical Field

The utility model relates to the technical field of hot blast stoves, in particular to a temperature control heat exchange type gas hot blast stove.

Background

The hot blast stove is a thermal power machine, is widely applied in China at the end of the 70 th century, and is an updated product of an electric heat source and a traditional steam power heat source in a plurality of industries. The hot blast stove has various varieties and full series, is divided into two types of manual burning and mechanical burning in a coal adding mode, and is divided into coal, oil, gas stove and the like in a fuel variety, and the heat exchange type gas hot blast stove is one type;

the prior patent with the authorized publication number of CN211084433U discloses a heat exchange type gas hot blast stove, which can better filter gas through a first gas filter screen, convey the gas to a combustion pipeline through a gas pipeline, start the gas through a burner, heat the gas in the combustion pipeline, sequentially enable the heated gas to pass through a third heat exchanger, a second heat exchanger and a first heat exchanger through the conveying pipeline, and better filter the heated gas through the second gas filter screen when the heated gas passes through the conveying pipeline, so that the filtered gas can better contact clean gas when the heated gas is used;

However, the following disadvantages exist in this device:

1. When the hot blast stove heats the fume emission, more dust impurities are doped in the fume, so the dust impurities in the fume need to be filtered during the emission, and when the device is used, the filter screen is difficult to automatically clean, so that the filter screen is often blocked and needs to be frequently dredged, and the working efficiency of the device is reduced;

2. When the device is used, the heating temperature of the hot blast stove is difficult to control according to the requirements, so that the device can only heat the gas to a fixed temperature, and the use flexibility is poor.

Disclosure of utility model

The utility model aims to provide a temperature control heat exchange type gas hot blast stove so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the temperature control heat exchange type gas hot blast stove comprises a combustion chamber, wherein a heating bin is arranged at the top of the combustion chamber, a purifying box is arranged at the top of the heating bin, heat exchange pipes are arranged at two sides of the inside of the heating bin, a hot air inlet communicated with the combustion chamber is arranged in the middle of the bottom of the inside of the heating bin, an air inlet pipe communicated with the heat exchange pipes is arranged at the top of one side of the heating bin, an air outlet pipe communicated with the heat exchange pipes is arranged at the bottom of the other side of the heating bin, and a hot air outlet communicated with the purifying box is arranged at one side of the top of the inside of the heating bin;

The bottom of one side of the inside of the heating bin is sleeved with a threaded rod, the outer side of the threaded rod is in threaded connection with an adjusting plate, one side of the bottom of the inside of the heating bin is provided with a sliding groove, and one side of the bottom of the adjusting plate is provided with a sliding block in sliding fit with the sliding groove;

One side of purifying box inside is provided with the purification layer, one side that purifying box inside is close to the purification layer is provided with the filter screen, one side at purifying box top is provided with prevents stifled subassembly.

Preferably, the anti-blocking component comprises a rotating rod, a cleaning brush, an impact head, a guide block, a spring, a motor and a cam, wherein the motor is arranged on one side of the top of the purifying box, the rotating rod is arranged at the output end of the motor, the bottom of the rotating rod extends to the inner side of the hot air outlet and is provided with the cleaning brush, the guide block is arranged in the middle of the top of the inside of the purifying box, the push rod is sleeved on the inner side of the guide block, the impact head is arranged on one side of the push rod, the spring is sleeved on the outer side of the push rod, the cam is arranged on the top of the outer side of the rotating rod, and a flue gas emission pipeline of the device can be prevented from being blocked by dust.

Preferably, the middle part of purifying box inside bottom is seted up flutedly, and the inboard of recess is provided with collects the box, the middle part of purifying box one end bottom is provided with dust removal bin gate, is convenient for collect the clearance to filtering dust.

Preferably, a guide plate is arranged at the top of one side of the inside of the purifying box, and the rotating rod is rotationally connected with the guide plate and used for guiding the smoke.

Preferably, a rocking handle is arranged on one side of the threaded rod, so that the threaded rod can be conveniently rotated through the rocking handle.

Preferably, the shape of the striking head is hemispherical, the striking head is made of rubber materials, and the damage to the filter screen can be reduced while the striking effect of the striking head to the filter screen can be ensured.

Compared with the prior art, the utility model has the beneficial effects that: the temperature control heat exchange type gas hot-blast stove;

1. Through mutually supporting between bull stick, cleaning brush, striking head, guide block, spring, motor, cam and the push rod, when purifying flue gas, controllable intermittent type formula promotes striking head and strikes the filter screen, utilize striking to produce vibrations, filter the filter screen and filter dust impurity and can shake down into the collection box and collect, prevent that the filter screen from being blocked by the dust, reducible dredging frequency to the filter screen, thereby the work efficiency of device has been promoted, and when the device dredged the filter screen, still can drive cleaning brush and brush the inboard of hot-blast outlet and sweep, prevent that dust impurity in the flue gas from adhering on hot-blast outlet inner wall, block up the hot-blast outlet, the anti-blocking effect of device has been promoted;

2. Through mutually supporting between slider, spout, threaded rod and the regulating plate for the device when using, can be according to the position of demand regulation regulating plate, change hot air inlet's opening size, adjust the hot smoke volume that gets into in the heating storehouse, thereby can control the heating temperature of device, promoted the flexibility of use of device.

Drawings

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

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

FIG. 3 is an enlarged schematic illustration of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged schematic view of the structure at B of fig. 2 according to the present utility model.

In the figure: 1. a combustion chamber; 2. a hot air inlet; 3. a heat exchange tube; 4. an air inlet pipe; 5. a purification layer; 6. a filter screen; 7. a purifying box; 8. a rotating rod; 9. cleaning brushes; 10. a hot air outlet; 11. an air outlet pipe; 12. a heating bin; 13. a slide block; 14. a chute; 15. a threaded rod; 16. an adjusting plate; 17. an impact head; 18. a guide block; 19. a spring; 20. a motor; 21. a cam; 22. a push 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.

Referring to fig. 1-4, embodiments of the present utility model are provided: the temperature control heat exchange type gas hot blast stove comprises a combustion chamber 1, wherein a heating bin 12 is arranged at the top of the combustion chamber 1, a purifying box 7 is arranged at the top of the heating bin 12, heat exchange pipes 3 are arranged at two sides of the inside of the heating bin 12, a hot air inlet 2 communicated with the combustion chamber 1 is arranged in the middle of the bottom of the inside of the heating bin 12, an air inlet pipe 4 communicated with the heat exchange pipes 3 is arranged at the top of one side of the heating bin 12, an air outlet pipe 11 communicated with the heat exchange pipes 3 is arranged at the bottom of the other side of the heating bin 12, and a hot air outlet 10 communicated with the purifying box 7 is arranged at one side of the top of the inside of the heating bin 12;

The bottom of one side of the inside of the heating bin 12 is sleeved with a threaded rod 15, one side of the threaded rod 15 is provided with a rocking handle, the threaded rod 15 is conveniently rotated by the rocking handle, the outer side of the threaded rod 15 is in threaded connection with an adjusting plate 16, one side of the bottom of the inside of the heating bin 12 is provided with a sliding groove 14, and one side of the bottom of the adjusting plate 16 is provided with a sliding block 13 in sliding fit with the sliding groove 14;

One side inside the purifying box 7 is provided with the purifying layer 5, and one side that is close to the purifying layer 5 inside the purifying box 7 is provided with the filter screen 6, and one side at purifying box 7 top is provided with prevents stifled subassembly.

Further, the anti-blocking assembly comprises a rotating rod 8, a cleaning brush 9, an impact head 17, a guide block 18, a spring 19, a motor 20 and a cam 21, wherein the motor 20 is arranged on one side of the top of the purifying box 7, the rotating rod 8 is arranged at the output end of the motor 20, a guide plate is arranged on the top of one side of the inside of the purifying box 7, the rotating rod 8 is rotationally connected with the guide plate and used for guiding flue gas, the bottom of the rotating rod 8 extends to the inner side of the hot air outlet 10 and is provided with the cleaning brush 9, the guide block 18 is arranged in the middle of the top of the inside of the purifying box 7, a push rod 22 is sleeved on the inner side of the guide block 18, the impact head 17 is arranged on one side of the push rod 22, the impact head 17 is hemispherical, the impact head 17 is made of rubber, the damage to the filter screen 6 can be reduced while the impact effect of the impact head 17 on the filter screen 6 is ensured, the spring 19 is sleeved on the outer side of the push rod 22, and the cam 21 is arranged on the top of the outside of the rotating rod 8;

When the flue gas is discharged, the impact head 17 can be driven to intermittently impact the filter screen 6 to shake off the filtered dust, so that the filter screen 6 is prevented from being blocked by the dust, and meanwhile, the cleaning brush 9 can be driven to brush the inner wall of the hot air outlet 10, so that the hot air outlet 10 is prevented from being blocked by the dust.

Further, a groove is formed in the middle of the bottom of the inside of the purifying box 7, a collecting box is arranged on the inner side of the groove, and a dust removing bin door is arranged in the middle of the bottom of one end of the purifying box 7;

Dust that drops to the clearance of filter screen 6 can concentrate and collect into collecting box in, can open the dust removal bin door with collecting box take out the clearance afterwards.

Working principle: when the device is used, the combustion chamber 1 can be started to operate, hot flue gas can be conveyed into the heating bin 12 through the combustion chamber 1 through the diversion of the hot air inlet 2, then the gas conveying pipeline is connected with the gas inlet pipe 4 and the gas outlet pipe 11, so that gas is conveyed into the heat exchange pipe 3 through the gas inlet pipe 4, when hot flue gas in the heating bin 12 is discharged upwards, the gas can flow through the outer side of the heat exchange pipe 3, at the moment, the gas in the heat exchange pipe 3 can be heated by utilizing the heat exchange capacity of the heat exchange pipe 3, and the heated gas can be discharged from the gas outlet pipe 11 through the diversion of the heat exchange pipe 3;

When the heating temperature of the gas needs to be regulated, an operator can rotate the threaded rod 15 through the rocking handle to drive the regulating plate 16 to move, regulate the opening size of the hot air inlet 2 and control the amount of hot smoke entering the heating bin 12, so that the heating temperature of the device can be controlled;

After the flue gas is heated in the device and exchanges heat, the flow guide of the hot air outlet 10 can be used for entering the purifying box 7, at the moment, dust impurities in the flue gas can be filtered through the filter screen 6, harmful substances in the flue gas can be adsorbed through the purifying layer 5, the flue gas can reach the discharge standard and be discharged outwards, when the flue gas is purified, the motor 20 can be started to operate, the motor 20 can drive the rotating rod 8 to rotate, then the rotating rod 8 drives the cleaning brush 9, the cleaning brush 9 can be used for brushing the inner side of the hot air outlet 10, the dust impurities in the flue gas are prevented from being adhered to the inner wall of the hot air outlet 10, the hot air outlet 10 is blocked, when the rotating rod 8 rotates, the cam 21 can be driven to rotate, the push rod 22 can be driven to overcome the elasticity of the spring 19 to move to one side through the cam 21, the impact head 17 is driven to impact the filter screen 6, the dust impurities filtered by the filter screen 6 can be dropped into the collecting box to be collected, and the dust collecting box can be taken out to clean dust intensively and shake.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a control by temperature change heat transfer formula gas hot-blast furnace, includes combustion chamber (1), its characterized in that: the top of combustion chamber (1) is provided with heating storehouse (12), the top of heating storehouse (12) is provided with purifying box (7), the both sides of heating storehouse (12) inside are provided with heat exchange tube (3), the middle part of the inside bottom of heating storehouse (12) is provided with hot air inlet (2) that are linked together with combustion chamber (1), the top of heating storehouse (12) one side is provided with intake pipe (4) that are linked together with heat exchange tube (3), the bottom of heating storehouse (12) opposite side is provided with outlet duct (11) that are linked together with heat exchange tube (3), one side of the inside top of heating storehouse (12) is provided with hot air outlet (10) that are linked together with purifying box (7);

The bottom of one side of the inside of the heating bin (12) is sleeved with a threaded rod (15), the outer side of the threaded rod (15) is in threaded connection with an adjusting plate (16), one side of the bottom of the inside of the heating bin (12) is provided with a sliding groove (14), and one side of the bottom of the adjusting plate (16) is provided with a sliding block (13) in sliding fit with the sliding groove (14);

One side inside purifying box (7) is provided with purifying layer (5), one side that purifying box (7) inside is close to purifying layer (5) is provided with filter screen (6), one side at purifying box (7) top is provided with prevents stifled subassembly.

2. A temperature controlled heat exchange gas stove as claimed in claim 1, wherein: anti-blocking assembly includes bull stick (8), cleaning brush (9), impact head (17), guide block (18), spring (19), motor (20) and cam (21), one side at purifying box (7) top is provided with motor (20), the output of motor (20) is provided with bull stick (8), the bottom of bull stick (8) extends to the inboard of hot-blast export (10) and is provided with cleaning brush (9), the middle part at purifying box (7) inside top is provided with guide block (18), the inboard cover of guide block (18) is equipped with push rod (22), one side of push rod (22) is provided with impact head (17), the outside cover of push rod (22) is equipped with spring (19), the top in the outside of bull stick (8) is provided with cam (21).

3. A temperature controlled heat exchange gas stove as claimed in claim 1, wherein: the middle part of purifying box (7) inside bottom is seted up flutedly, and the inboard of recess is provided with the collection box, the middle part of purifying box (7) one end bottom is provided with dust removal bin gate.

4. A temperature controlled heat exchange gas stove as claimed in claim 2, wherein: the top of one side inside purifying box (7) is provided with the guide plate, bull stick (8) are the rotation with the guide plate and are connected.

5. A temperature controlled heat exchange gas stove as claimed in claim 1, wherein: one side of the threaded rod (15) is provided with a rocking handle.

6. A temperature controlled heat exchange gas stove as claimed in claim 2, wherein: the impact head (17) is hemispherical in shape, and the impact head (17) is made of rubber materials.