CN117722862A - Heat accumulating tube type energy-saving heat exchanger - Google Patents

Abstract

The invention provides a heat accumulating tube type energy-saving heat exchanger. The heat storage tube type energy-saving heat exchanger comprises: the shell is internally and fixedly provided with a plurality of connecting rectangular pipes, the connecting rectangular pipes are arranged in two stacks and are vertically stacked, welded and fixed, and the top of the shell is fixedly provided with a cover plate; the heat exchange round pipes are fixedly arranged between the two stacks of connecting rectangular pipes, a plurality of small heat storage balls are arranged in the heat exchange round pipes, and the diameter of each small heat storage ball is smaller than the inner diameter of each heat exchange round pipe. The heat storage tube type energy-saving heat exchanger provided by the invention can fully replace heat, improve heat exchange efficiency, prolong the service life of equipment, filter soot in flue gas, and has the advantage of reducing the influence of the soot on the heat exchanger.

Description

Heat accumulating tube type energy-saving heat exchanger

Technical Field

The invention relates to the technical field of heat exchangers, in particular to a heat storage tube type energy-saving heat exchanger.

Background

High-temperature smoke is generated when a burner is burned in industrial furnace process production, and a lot of high-temperature smoke is directly discharged in the process production at present, so that the burner is in a passive position in the market with severe competition. Some heat exchange devices are gradually developed in the market at present, wherein: fin-tube heat exchanger and plate heat exchanger. The fin-tube heat exchange device has the defects that the contact area of gas is limited, the heat exchange of high-temperature flue gas cannot be fully performed, the heat exchange effect is not ideal, and the heat energy utilization is generally not more than 7%. The plate heat exchange device is formed by stacking and welding a series of metal sheets, thin rectangular channels are formed between the plates, cold and hot fluid passes through the channels and is heated in series by the plate materials, and the plate heat exchange device is an efficient heat exchange device for heat exchange between gases, and has a good heat effect of recovering flue gas; however, because the thin rectangular channel is formed by stacking and welding metal sheets, the metal sheets are easy to deform in internal stress in the process of exchanging high-temperature flue gas and normal-temperature combustion air, the welding position is easy to weld, the service life is not long, and problems usually occur in 2-6 months; in addition, soot is contained in flue gas generated by a kiln taking coal dust as fuel, and heat exchange is carried out on high-temperature flue gas by the heat exchanger, so that the soot is attached to internal components of the heat exchanger, and after long-term use, the attached soot is accumulated, and the heat exchange effect of the heat exchanger is affected, so that the heat energy utilization is greatly reduced.

Therefore, it is necessary to provide a heat storage tube type energy-saving heat exchanger to solve the above technical problems.

Disclosure of Invention

The invention provides a heat accumulating tube type energy-saving heat exchanger, which aims to solve the technical problems that the heat exchanging effect is poor, the service life is short, and the utilization of heat energy is greatly reduced due to ash in flue gas.

The heat accumulating tube type energy-saving heat exchanger provided by the invention comprises: the shell is internally and fixedly provided with a plurality of connecting rectangular pipes, the connecting rectangular pipes are arranged in two stacks and are vertically stacked, welded and fixed, and the top of the shell is fixedly provided with a cover plate; the heat exchange round pipes are fixedly arranged between the two stacks of connecting rectangular pipes, a plurality of small heat storage balls are arranged in the heat exchange round pipes, and the diameters of the small heat storage balls are smaller than the inner diameters of the heat exchange round pipes; a plurality of large heat storage balls are arranged below the heat exchange round tubes in the shell, and a ball baffle plate for blocking the large heat storage balls is arranged in the shell; a normal temperature air inlet and a high temperature air outlet are arranged on one side of the shell; the bottom and the top of the shell are respectively provided with a smoke inlet and a smoke outlet.

Preferably, the shell is provided with a ball exchange door for replacing the large heat storage ball, and the ball exchange door is provided with a closed door plate.

Preferably, the normal temperature air inlet and the high temperature air outlet are respectively provided with a mounting pipe orifice, a communicating pipe is connected between the two mounting pipe orifices, and a valve is arranged on the communicating pipe.

Preferably, the flue gas inlet is further provided with a filtering and cleaning assembly for filtering and cleaning soot in the flue gas, the filtering and cleaning assembly comprises a connecting pipe, a flue gas outlet main pipe, two mounting boxes, a flue gas inlet main pipe, two branch pipes, two metal filter screens and two cleaning mechanisms, the connecting pipe is assembled on the flue gas inlet, the flue gas outlet main pipe is installed on one side of the connecting pipe, the flue gas outlet main pipe is communicated with the connecting pipe, the two mounting boxes are fixedly installed on one side of the flue gas outlet main pipe, the two mounting boxes are communicated with the flue gas outlet main pipe, the two branch pipes are fixedly installed on the top of the two mounting boxes, the flue gas inlet main pipe is fixedly installed on the top of the two branch pipes, the two branch pipes are communicated with the flue gas inlet main pipe, the two metal filter screens are fixedly installed in the two mounting boxes respectively, and the two metal filter screens are fixedly installed in the two flue gas outlet main pipes and are used for cleaning the soot in the two metal filter tanks.

Preferably, the cleaning mechanism comprises a rotating shaft and a mounting bar, the rotating shaft is rotatably mounted in the mounting box, the mounting bar is fixedly mounted at one end of the rotating shaft, a metal brush in contact with the metal filter screen is arranged on the mounting bar, a supporting ring is rotatably sleeved on the rotating shaft, a plurality of supporting rods are fixedly mounted on the supporting ring, the supporting rods are fixedly connected with the inner wall of the mounting box, and the two cleaning mechanisms are further provided with a driving mechanism.

Preferably, the driving mechanism comprises a double-shaft motor, two connecting shafts and four bevel gears, the double-shaft motor is arranged outside the two mounting boxes, the two connecting shafts are respectively and fixedly arranged on two output shafts of the double-shaft motor, the four bevel gears are respectively and fixedly sleeved at one ends of the two rotating shafts and one ends of the two connecting shafts, and the four bevel gears are meshed with each other.

Preferably, one side of each mounting box is provided with a switching mechanism for moving the driving mechanism, each switching mechanism comprises a mounting seat, a screw rod, a switching motor and a sliding seat, each mounting seat is fixedly mounted on one side of each mounting box, each mounting seat is provided with a mounting groove, each screw rod is rotatably mounted on two side inner walls of each mounting groove, each switching motor is fixedly mounted on one side of each mounting seat, an output shaft of each switching motor is fixedly connected with one end of each screw rod, each sliding seat is sleeved with one screw rod in a threaded mode, each sliding seat is in sliding connection with one inner wall of each mounting groove, and each double-shaft motor is fixedly connected with one side of each sliding seat.

Preferably, the same side of the two mounting boxes is fixedly provided with the same protective cover, and the driving mechanism and the switching mechanism are both positioned in the protective cover.

Preferably, the first plugging plate is installed in the rotation of the smoke inlet main pipe, the first plugging plate is used for plugging any branch pipe, a first motor is fixedly installed on one side of the smoke inlet main pipe, an output shaft of the first motor extends to the smoke inlet main pipe, the first plugging plate is fixedly sleeved on the output shaft of the first motor, the second plugging plate is installed in the rotation of the smoke outlet main pipe, the second plugging plate is used for plugging a communication port of any mounting box and the smoke outlet main pipe, a second motor is fixedly installed at the bottom of the smoke outlet main pipe, an output shaft of the second motor extends to the smoke outlet main pipe, and the second plugging plate is fixedly sleeved on the output shaft of the second motor.

Preferably, two the mounting box bottoms are all equipped with and collect the fill, two collect fill respectively with two the mounting box is linked together, two the bottom fixed mounting of mounting box has same erection column, two all be provided with automatic switch mechanism on the collection fill, automatic switch mechanism is including bottom and push rod motor, the bottom articulates collect the bottom mouth of fighting, the push rod motor articulates one side of erection column, just the output pole of push rod motor with the bottom of bottom articulates mutually.

Compared with the related art, the heat accumulating tube type energy-saving heat exchanger provided by the invention has the following advantages that

The beneficial effects are that:

the invention provides a heat accumulating tube type energy-saving heat exchanger, which comprises a heat accumulating tube type heat exchanger, a heat exchanging tube:

the heat accumulating tube type energy-saving heat exchanger works according to the following principle: the high-temperature flue gas is generated by burning a burner in industrial furnace process production, is discharged after the temperature is reduced after passing through the heat accumulating tube type energy-saving heat exchanger, protects environment-friendly equipment at the rear end and reduces the temperature of the environment; wherein, the heat absorbed by the heat exchanger heats the combustion air of the burner, thereby reducing fuel consumption and saving production cost (50% of the heat in the flue gas can be recovered).

1. The heat of the high-temperature flue gas can be absorbed by the large heat accumulation ball, the connecting rectangular pipe, the heat exchange round pipe, the small heat accumulation ball and the like through the arrangement of the large heat accumulation ball, the connecting rectangular pipe, the heat exchange round pipe and the small heat accumulation ball, so that the normal-temperature air conveyed through the heat exchange round pipe can be heated, the normal-temperature air can be heated in a roundabout way, the air can be sufficiently heated, the high-temperature air is used for a hot burner, the hot burner is heated, and the combustion air is assisted, so that the heat exchange efficiency of the heat exchanger is greatly improved, and the service life of the heat exchanger is prolonged;

2. the high-temperature flue gas of input can be filtered through setting up the metal filter screen to carry out the separation to the cigarette ash that produces because of the pulverized coal combustion is insufficient in the high-temperature flue gas, and through the cooperation of clearance mechanism, actuating mechanism and switching mechanism, can clear up and collect cigarette ash, greatly reduced cigarette ash get into in the heat exchanger and cause the influence to the heat exchanger, improved the heat exchange efficiency of heat exchanger.

Drawings

Fig. 1 is a schematic front sectional view of a first embodiment of a heat storage tube type energy-saving heat exchanger provided by the invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic three-dimensional structure of the present invention;

FIG. 5 is a schematic elevational view of the present invention;

fig. 6 is a schematic front view of a second embodiment of a heat storage tube type energy-saving heat exchanger according to the present invention;

FIG. 7 is a schematic side view of a filter cleaning assembly of the present invention;

FIG. 8 is an enlarged schematic view of the portion A shown in FIG. 7;

FIG. 9 is a schematic top cross-sectional view of a filter cleaning assembly of the present invention;

fig. 10 is an enlarged schematic view of the portion B shown in fig. 9.

Reference numerals in the drawings: 1. a housing; 2. connecting rectangular pipes; 3. a heat exchange round tube; 4. a small heat storage ball; 5. an air inlet at normal temperature; 6. a high temperature air outlet; 7. a large heat storage ball; 8. a ball baffle plate; 9. a goal changing door; 10. a flue gas inlet; 11. a cover plate; 12. a flue gas outlet; 13. closing the door panel; 14. installing a pipe orifice; 15. a communicating pipe; 16. a connecting pipe; 17. a smoke outlet main pipe; 18. a mounting box; 19. a main pipe for feeding smoke; 20. a branch pipe; 21. a collection bucket; 22. a metal filter screen; 23. a rotating shaft; 24. a mounting bar; 25. a support ring; 26. a support rod; 27. a biaxial motor; 28. a connecting shaft; 29. a bevel gear; 30. a mounting base; 31. a screw; 32. switching the motor; 33. a slide; 34. a protective cover; 35. a first plugging plate; 36. a first motor; 37. a second blocking plate; 38. a second motor; 39. a bottom cover; 40. a mounting column; 41. a push rod motor.

Detailed Description

The invention will be further described with reference to the drawings and embodiments.

First embodiment:

referring to fig. 1 to 5 in combination, the heat storage tube type energy-saving heat exchanger includes: the device comprises a shell 1, wherein a plurality of connecting rectangular pipes 2 are fixedly arranged in the shell 1, two stacks of the connecting rectangular pipes 2 are arranged and are vertically stacked, welded and fixed, and a cover plate 11 is fixedly arranged at the top of the shell 1; the heat exchange round pipes 3 are fixedly arranged between the two stacks of connecting rectangular pipes 2, a plurality of small heat storage balls 4 are arranged in the heat exchange round pipes 3, and the diameter of each small heat storage ball 4 is smaller than the inner diameter of each heat exchange round pipe 3; a plurality of large heat storage balls 7 are arranged below the heat exchange round tube 3 in the shell 1, and a ball baffle plate 8 for blocking the large heat storage balls 7 is arranged in the shell 1; a normal temperature air inlet 5 and a high temperature air outlet 6 are arranged on one side of the shell 1; the bottom and the top of the shell 1 are respectively provided with a flue gas inlet 10 and a flue gas outlet 12.

The heat accumulating tube type energy-saving heat exchanger is formed by stacking and welding a series of high temperature resistant tubes (namely heat exchange round tubes 3), wherein a cluster is formed between the tubes and is converged in a rectangular channel (namely the rectangular tubes 2 are connected), cold and hot fluid passes through the respective channels and is heated in series through tube materials, and the heat accumulating tube type energy-saving heat exchanger is an efficient heat exchange device for heat exchange among gases; the flue gas firstly passes through the heat storage material (namely the large heat storage ball 7), high-temperature flue gas heat is intercepted and blocked, the flame is prevented from directly burning the heat exchange device, then part of the flue gas directly exchanges heat with the heat exchange device, and part of the heat acquired by the heat storage material exchanges heat with the heat exchange device.

The shell 1 is provided with the goal 9 for replacing the large heat storage balls 7, the goal 9 is provided with the closed door plate 13, and the goal 9 and the closed door plate 13 are arranged to facilitate the replacement of the large heat storage balls 7.

The normal temperature air inlet 5 and the high temperature air outlet 6 are respectively provided with an installation pipe orifice 14, a communicating pipe 15 is connected between the two installation pipe orifices 14, and a valve is arranged on the communicating pipe 15.

In this embodiment:

when the heat exchange tube heat exchanger is used, high-temperature smoke enters from the smoke inlet 10, moves upwards through gaps among the large heat storage balls 7, the large heat storage balls 7 are heated and warmed to absorb a part of heat, the high-temperature smoke continuously rises and moves upwards through the gaps among the heat exchange tube 3, the high-temperature smoke heats the heat exchange tube 3 and heats the small heat storage balls 4 in the heat exchange tube 3 through conduction of the heat exchange tube 3 to warm up, and the heat is absorbed;

the normal temperature air enters the connecting rectangular pipe 2 through the normal temperature air inlet 5 and passes through the heat exchange round pipe 3, the heat exchange round pipe 3 and the small heat storage balls 4 absorb heat to be transmitted to the normal temperature air, the input normal temperature air is transmitted by arrows shown in fig. 1, so that the transmitted air can be sufficiently heated in the heat exchange round pipe 3, more heat is absorbed, high temperature air is formed and finally discharged from the high temperature air outlet 6, the high temperature air is transmitted to the heating burner through the arranged pipeline to heat the heating burner, combustion air is assisted, the use of fuel is reduced, the production cost is saved, and the flue gas after heat exchange is discharged from the flue gas outlet 12 and is transmitted to subsequent flue gas treatment equipment through the arranged pipeline.

Through practice in this scheme, about 50% of heat in recoverable flue gas has improved the heat exchange efficiency of heat exchanger greatly, and recovery temperature reaches more than 300 ℃, and long service life (more than 2 years).

Compared with the related art, the heat accumulating tube type energy-saving heat exchanger provided by the invention has the following advantages that

The beneficial effects are that:

the invention provides a heat accumulating tube type energy-saving heat exchanger, which is characterized in that a large heat accumulating ball 7, a connecting rectangular tube 2, a heat exchanging circular tube 3, a small heat accumulating ball 4 and the like are arranged, so that heat of high-temperature smoke can be absorbed by the large heat accumulating ball 7, the connecting rectangular tube 2, the heat exchanging circular tube 3, the small heat accumulating ball 4 and the like, normal-temperature air conveyed through the heat exchanging circular tube 3 is heated, the normal-temperature air can be heated in a roundabout way, the air can be sufficiently heated, the high-temperature air is used for a heating burner, the heating burner is heated, and the combustion air is assisted, so that the heat exchanging efficiency of the heat exchanger is greatly improved, and the service life of the heat exchanger is prolonged.

Second embodiment:

based on the heat storage tube type energy-saving heat exchanger provided by the first embodiment of the application, the second embodiment of the application provides another heat storage tube type energy-saving heat exchanger. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

A second embodiment of the present invention will be further described with reference to the drawings and embodiments.

Referring to fig. 6-10 in combination, the heat storage tube type energy-saving heat exchanger further comprises a filtering and cleaning component, wherein the filtering and cleaning component is assembled on the flue gas inlet 10 and is used for filtering and cleaning soot in flue gas; the filtering and cleaning assembly comprises a connecting pipe 16, a smoke outlet main pipe 17, two mounting boxes 18, a smoke inlet main pipe 19, two branch pipes 20, two metal filter screens 22 and two cleaning mechanisms, wherein the connecting pipe 16 is assembled on a smoke inlet 10, the smoke outlet main pipe 17 is installed on one side of the connecting pipe 16, the smoke outlet main pipe 17 is communicated with the connecting pipe 16, the two mounting boxes 18 are fixedly installed on one side of the smoke outlet main pipe 17, the two mounting boxes 18 are communicated with the smoke outlet main pipe 17, the two branch pipes 20 are respectively and fixedly installed on the tops of the two mounting boxes 18, the smoke inlet main pipe 19 is fixedly installed on the top openings of the two branch pipes 20, the two branch pipes 20 are respectively communicated with the two mounting boxes 18, the two metal filter screens 22 are respectively and fixedly installed in the two mounting boxes 18, the two metal filter screens 22 are respectively arranged on smoke and dust in the two metal filter screens 22, and the two metal filter screens 22 are arranged on smoke in the smoke which can be cleaned.

The cleaning mechanism comprises a rotating shaft 23 and a mounting bar 24, the rotating shaft 23 is rotatably mounted in the mounting box 18, the mounting bar 24 is fixedly mounted at one end of the rotating shaft 23, a metal brush in contact with the metal filter screen 22 is arranged on the mounting bar 24, a supporting ring 25 is rotatably sleeved on the rotating shaft 23, a plurality of supporting rods 26 are fixedly mounted on the supporting ring 25, the supporting rods 26 are fixedly connected with the inner wall of the mounting box 18, two cleaning mechanisms are further provided with a driving mechanism, and ash on the metal filter screen 22 can be cleaned through the cleaning mechanism, so that the metal filter screen 22 is prevented from being blocked.

The driving mechanism comprises a double-shaft motor 27, two connecting shafts 28 and four bevel gears 29, the double-shaft motor 27 is arranged outside the two mounting boxes 18, the two connecting shafts 28 are respectively and fixedly arranged on two output shafts of the double-shaft motor 27, the four bevel gears 29 are respectively and fixedly sleeved at one ends of the two rotating shafts 23 and one ends of the two connecting shafts 28, the four bevel gears 29 are meshed in pairs, and the cleaning mechanism can be rotated through the driving mechanism, so that the cleaning of soot on the metal filter screen 22 is realized.

One side of the two installation boxes 18 is provided with a switching mechanism for moving the driving mechanism, the switching mechanism comprises an installation seat 30, a screw rod 31, a switching motor 32 and a sliding seat 33, the installation seat 30 is fixedly installed on one side of the two installation boxes 18, an installation groove is formed in one side of the installation seat 30, the screw rod 31 is rotatably installed on two side inner walls of the installation groove, the switching motor 32 is fixedly installed on one side of the installation seat 30, an output shaft of the switching motor 32 is fixedly connected with one end of the screw rod 31, the sliding seat 33 is in threaded sleeve on the screw rod 31, the sliding seat 33 is in sliding connection with the inner wall of the installation groove, the double-shaft motor 27 is fixedly connected with one side of the sliding seat 33, and a corresponding conical gear 29 on the double-shaft motor 27 is meshed with a corresponding conical gear 29 on a rotating shaft 23 through the switching mechanism, so that a cleaning mechanism filters a metal filter screen 22 as required.

The same protection cover 34 is fixedly arranged on the same side of the two installation boxes 18, the driving mechanism and the switching mechanism are both positioned in the protection cover 34, and the driving mechanism and the switching mechanism are protected through the protection cover 34, so that the danger caused by no collision of workers is avoided.

The first plugging plate 35 is rotationally installed on the smoke inlet main pipe 19, the first plugging plate 35 is used for plugging any branch pipe 20, a first motor 36 is fixedly installed on one side of the smoke inlet main pipe 19, an output shaft of the first motor 36 extends into the smoke inlet main pipe 19, the first plugging plate 35 is fixedly sleeved on the output shaft of the first motor 36, a second plugging plate 37 is rotationally installed on the smoke outlet main pipe 17, the second plugging plate 37 is used for plugging a communication port between any installation box 18 and the smoke outlet main pipe 17, a second motor 38 is fixedly installed at the bottom of the smoke outlet main pipe 17, the output shaft of the second motor 38 extends into the smoke outlet main pipe 17, the second plugging plate 37 is fixedly sleeved on the output shaft of the second motor 38, and corresponding channels can be switched and opened by enabling the first plugging plate 35 and the second plugging plate 37 to switch and open, so that soot can be conveniently cleaned on a metal filter screen 22 under the condition that high-temperature smoke and gas delivery is not affected.

Two the mounting box 18 bottom all is equipped with collects the bucket 21, two collect the bucket 21 respectively with two the mounting box 18 is linked together, two the bottom fixed mounting of mounting box 18 has same erection column 40, two all be provided with automatic switch mechanism on the collection bucket 21, automatic switch mechanism is including bottom 39 and push rod motor 41, bottom 39 articulates the bottom mouth of collecting the bucket 21, push rod motor 41 articulates one side of erection column 40, just push rod motor 41's output pole with bottom 39 articulates mutually, can collect the processing through collecting bucket 21 and automatic switch mechanism to the cigarette ash of clearance.

In this embodiment:

the high-temperature flue gas is input from a flue gas inlet main pipe 19, enters the corresponding installation box 18 through an opened branch pipe 20, filters soot generated by insufficient combustion of coal dust in the high-temperature flue gas through a metal filter screen 22, and enters the heat exchanger from the flue gas inlet 10 through a flue gas outlet main pipe 17 for heat exchange;

when the filter is used for a long time, more soot accumulated on the metal filter screen 22 can block the metal filter screen 22, and the passing of high-temperature smoke is influenced, so that the first motor 36 and the second motor 38 can be started to enable the first blocking plate 35 and the second blocking plate 37 to rotate for half a circle, the inlet of the other branch pipe 20 and the outlet of the mounting box 18 are opened to be communicated, the high-temperature smoke is conveyed to the smoke inlet 10 from the communicated passage to enter the heat exchanger for heat exchange, the passage where the metal filter screen 22 for blocking the soot is positioned is in a closed state, at the moment, the screw 31 can be rotated by starting the switching motor 32, so that the sliding seat 33 drives the double-shaft motor 27 to move, the conical gear 29 on the corresponding connecting shaft 28 is meshed with the conical gear 29 on the corresponding rotating shaft 23, at the moment, the double-shaft motor 27 can be started to enable the corresponding rotating shaft 23 to rotate, so that the metal brush on the mounting strip 24 is driven to rotate to clean the metal filter screen 22, the soot is separated from the metal filter screen 22, and the corresponding bottom cover 39 can be opened by starting the corresponding push rod motor 41, so that the corresponding soot 39 in the corresponding collecting hopper 21 is opened;

after the completion, the bottom cover 39 is closed again, and the other metal filter screen 22 is operated as above after being used for a long time, so that the ash attached to the metal filter screen 22 is cleaned, and the high-temperature flue gas is not required to be stopped from being conveyed in the process of cleaning the ash on the metal filter screen 22, thereby avoiding the influence of the heat exchanger on the heat exchange of the high-temperature flue gas;

through filtering, cleaning and collecting the soot in the high-temperature flue gas, the influence of the soot entering the heat exchanger on the heat exchange efficiency of the heat exchanger is greatly reduced.

Compared with the related art, the heat accumulating tube type energy-saving heat exchanger provided by the invention has the following advantages that

The beneficial effects are that:

according to the heat storage tube type energy-saving heat exchanger, the metal filter screen 22 is arranged to filter the input high-temperature flue gas, so that soot generated by insufficient combustion of coal dust in the high-temperature flue gas is blocked, and the soot can be cleaned and collected through the cooperation of the cleaning mechanism, the driving mechanism and the switching mechanism, so that the influence of the soot entering the heat exchanger on the heat exchanger is greatly reduced, and the heat exchange efficiency of the heat exchanger is improved.

It should be noted that, in the present invention, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present invention completely, and it is needless to say that the protection of the present invention does not relate to improvement of software and methods.

The scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;

the device structure and the drawings of the present invention mainly describe the principle of the present invention, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims (10)

1. A heat storage tube type energy-saving heat exchanger, characterized by comprising:

the shell is internally and fixedly provided with a plurality of connecting rectangular pipes, the connecting rectangular pipes are arranged in two stacks and are vertically stacked, welded and fixed, and the top of the shell is fixedly provided with a cover plate;

the heat exchange round pipes are fixedly arranged between the two stacks of connecting rectangular pipes, a plurality of small heat storage balls are arranged in the heat exchange round pipes, and the diameters of the small heat storage balls are smaller than the inner diameters of the heat exchange round pipes;

a plurality of large heat storage balls are arranged below the heat exchange round tubes in the shell, and a ball baffle plate for blocking the large heat storage balls is arranged in the shell;

a normal temperature air inlet and a high temperature air outlet are arranged on one side of the shell;

the bottom and the top of the shell are respectively provided with a smoke inlet and a smoke outlet.

2. The heat storage tube type energy-saving heat exchanger according to claim 1, wherein a ball exchange door for exchanging large heat storage balls is arranged on the shell, and a closed door plate is arranged on the ball exchange door.

3. The heat storage tube type energy-saving heat exchanger according to claim 1, wherein the normal temperature air inlet and the high temperature air outlet are provided with mounting tube openings, a communicating tube is connected between the two mounting tube openings, and a valve is arranged on the communicating tube.

4. The heat accumulating tube type energy-saving heat exchanger according to claim 1, wherein the flue gas inlet is further provided with a filtering and cleaning assembly for filtering and cleaning soot in flue gas, the filtering and cleaning assembly comprises a connecting tube, a flue gas outlet main tube, two mounting boxes, a flue gas inlet main tube, two branch tubes, two metal filter screens and two cleaning mechanisms, the connecting tube is assembled on the flue gas inlet, the flue gas outlet main tube is mounted on one side of the connecting tube, the flue gas outlet main tube is communicated with the connecting tube, the two mounting boxes are fixedly mounted on one side of the flue gas outlet main tube, the two mounting boxes are communicated with the flue gas outlet main tube, the two branch tubes are fixedly mounted on the tops of the two mounting boxes respectively, the flue gas inlet main tube is fixedly mounted on top of the two branch tubes, the two branch tubes are communicated with the flue gas inlet main tube, the two metal filter screens are respectively communicated with the two mounting boxes, the two metal filter screens are respectively fixedly mounted on the two metal filter screens respectively, and the two metal filter screens are respectively mounted on the two metal filter screens.

5. The heat storage tube type energy-saving heat exchanger according to claim 4, wherein the cleaning mechanism comprises a rotating shaft and a mounting bar, the rotating shaft is rotatably mounted in the mounting box, the mounting bar is fixedly mounted at one end of the rotating shaft, a metal brush in contact with a metal filter screen is arranged on the mounting bar, a supporting ring is rotatably sleeved on the rotating shaft, a plurality of supporting rods are fixedly mounted on the supporting ring, the supporting rods are fixedly connected with the inner wall of the mounting box, and two cleaning mechanisms are further provided with a driving mechanism.

6. The heat storage tube type energy-saving heat exchanger according to claim 5, wherein the driving mechanism comprises a double-shaft motor, two connecting shafts and four bevel gears, the double-shaft motor is arranged outside the two mounting boxes, the two connecting shafts are respectively and fixedly arranged on two output shafts of the double-shaft motor, the four bevel gears are respectively and fixedly sleeved at one ends of the two rotating shafts and one ends of the two connecting shafts, and the four bevel gears are meshed with each other.

7. The heat storage tube type energy-saving heat exchanger according to claim 6, wherein one side of each of the two mounting boxes is provided with a switching mechanism for moving the driving mechanism, the switching mechanism comprises mounting seats, screws, switching motors and sliding seats, the mounting seats are fixedly mounted on one sides of the two mounting boxes, one side of each of the mounting seats is provided with a mounting groove, the screws are rotatably mounted on inner walls of two sides of each of the mounting grooves, the switching motors are fixedly mounted on one side of each of the mounting seats, an output shaft of each of the switching motors is fixedly connected with one end of each of the screws, the sliding seats are sleeved on the screws in a threaded manner, the sliding seats are slidably connected with inner walls of the mounting grooves, and the double-shaft motors are fixedly connected with one sides of the sliding seats.

8. The heat storage tube type energy-saving heat exchanger according to claim 5, wherein the same protective cover is fixedly arranged on the same side of the two mounting boxes, and the driving mechanism and the switching mechanism are both positioned in the protective cover.

9. The heat storage tube type energy-saving heat exchanger according to claim 4, wherein a first plugging plate is rotationally installed in the smoke inlet main pipe, the first plugging plate is used for plugging any branch pipe, a first motor is fixedly installed on one side of the smoke inlet main pipe, an output shaft of the first motor extends into the smoke inlet main pipe, the first plugging plate is fixedly sleeved on an output shaft of the first motor, a second plugging plate is rotationally installed in the smoke outlet main pipe, the second plugging plate is used for plugging a communication port between any installation box and the smoke outlet main pipe, a second motor is fixedly installed at the bottom of the smoke outlet main pipe, the output shaft of the second motor extends into the smoke outlet main pipe, and the second plugging plate is fixedly sleeved on an output shaft of the second motor.

10. The heat storage tube type energy-saving heat exchanger according to claim 4, wherein two collecting hoppers are respectively arranged at the bottoms of the two mounting boxes and respectively communicated with the two mounting boxes, the same mounting column is fixedly arranged at the bottoms of the two mounting boxes, automatic switching mechanisms are respectively arranged on the two collecting hoppers and comprise a bottom cover and a push rod motor, the bottom cover is hinged to a bottom opening of the collecting hoppers, the push rod motor is hinged to one side of the mounting column, and an output rod of the push rod motor is hinged to the bottom of the bottom cover.