CN220418223U - Flue gas heat exchanger of industrial kiln - Google Patents

Abstract

The utility model relates to the technical field of heat exchangers, and provides an industrial kiln flue gas heat exchanger, which comprises supporting legs, a shell, a first sealing head, a tube bundle, a second cleaning assembly, two sealing heads and a second cleaning assembly, wherein the first cleaning assembly and the second cleaning assembly are arranged on the supporting legs, the two sealing heads are respectively arranged on two sides of the shell, the tube bundle is a plurality of tube bundles, the tube bundles are all communicated with the two sealing heads in a penetrating manner, the cleaning assemblies are all arranged on the outer side wall of the tube bundle in a sliding manner, the second cleaning assembly is arranged at the bottom of the inner side wall of the shell in a sliding manner, the driving assembly comprises a motor and a toothed plate, the motor is arranged at the top of a sliding block, a gear is arranged at the output end of the motor, and the toothed plate is fixedly arranged on the inner side wall of the shell.

Description

Flue gas heat exchanger of industrial kiln

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to an industrial kiln flue gas heat exchanger.

Background

The shell-and-tube heat exchanger is a heat exchanger for exchanging heat between cold and hot fluids through a tube wall, cooling liquid in the end enclosure flows into the other end enclosure through the tube bundle, in the flowing process, high-temperature flue gas outside the tube bundle heats the tube wall and releases heat to the cooling liquid, the cooling liquid absorbs heat through the tube wall and cools the flue gas simultaneously, the heated cooling liquid flows into the other end enclosure and collects heat, thereby achieving the aim of recycling heat, but a part of particle impurities are generally stored in the flue gas, the flue gas can carry impurity particles after the tube wall is cooled to form partial water drops on the tube wall, the particle impurities can be condensed on the tube wall after the water drops are evaporated, thicker impurities can be covered on the tube wall, the impurities separate heat exchange, thereby leading to unstable heat exchange, the cooling liquid can not fully absorb the heat in the flue gas, and further leading to low working efficiency of the heat exchanger.

Disclosure of Invention

The utility model provides an industrial kiln gas heat exchanger, which solves the problem that impurities on the wall of the industrial kiln gas heat exchanger in the related art block heat exchange.

The technical scheme of the utility model is as follows: the utility model provides an industrial kiln flue gas heat exchanger, includes the supporting leg and installs casing on the supporting leg still includes:

the two seal heads are respectively arranged at two sides of the shell;

the plurality of tube bundles are communicated with the two seal heads in a penetrating way;

the first cleaning assembly is provided with a plurality of cleaning assemblies, and the cleaning assemblies are slidably arranged on the outer side wall of the tube bundle;

and the second cleaning component is slidably arranged at the bottom of the inner side wall of the shell.

Further, the first cleaning assembly includes:

the quantity of clearance pipe is a plurality of, every clearance pipe is all installed every on the lateral wall of tube bank, and every clearance pipe all pass through stable subassembly with clearance subassembly two is connected.

Still further, the second cleaning assembly includes:

the cleaning groove is formed in the bottom of the inner side wall of the shell;

the sliding block is arranged in the cleaning groove and is in sliding connection with the cleaning groove through a driving assembly;

the cleaning plates are two in number, the two cleaning plates are fixedly connected with the sliding block through the first rod body, and the side walls of the cleaning plates are in contact with the inner side walls of the cleaning grooves.

Still further, the stabilizing assembly includes:

the stabilizing plate is connected with each cleaning pipe through a second rod body, and is connected with the sliding block through a third rod body.

Preferably, the driving assembly includes:

the motor is arranged at the top of the sliding block, and a gear is arranged at the output end of the motor;

and the toothed plate is fixedly arranged on the inner side wall of the shell and meshed with the gear.

In order to clean impurities out of the heat exchanger, a smoke inlet and a smoke outlet are formed in the outer side wall of the shell, and a cleaning opening is formed in the bottom of the shell;

the number of the cleaning openings is two, the two cleaning openings are formed in two ends of the bottom of the shell, and the two cleaning openings are communicated with the cleaning groove.

In order to prevent the leakage of flue gas at the cleaning port when the heat exchanger is in use, the device further comprises:

the cleaning doors are two in number, one ends of the two cleaning doors are arranged on the outer side wall of the shell through hinges, and the cleaning doors are connected with the two cleaning openings through sealing plates;

and the other ends of the two cleaning doors are connected with the shell through the locking assemblies.

Preferably, the locking assembly includes:

the first groove body is arranged on the cleaning door;

the second groove body is arranged on the shell and is communicated with the second groove body;

the third groove body is arranged on the shell and is communicated with the second groove body;

and the locking pin penetrates through and is connected with the insides of the first groove body, the second groove body and the third groove body in a sliding manner, and is connected with the side wall of the second groove body through a spring.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, the first cleaning component is arranged and is connected to the side wall of the tube bundle in a sliding way, the first cleaning component can scrape impurities condensed on the side wall of the tube bundle, and the impurities adsorbed on the side wall of the tube bundle are hung off, so that the tube wall is kept clean, and the heat exchange efficiency between the flue gas and the tube bundle is improved.

2. According to the utility model, the end socket and the tube bundle are arranged, so that the cooling liquid in the end socket can flow through the tube bundle to exchange heat with the flue gas through the inside of the shell, and the aim of heat exchange is achieved.

3. According to the utility model, the second cleaning component is arranged, so that the second cleaning component can clean the impurities scraped by the first cleaning component, the impurities can be cleaned out of the shell, and the impurities are prevented from accumulating at the bottom of the shell.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the structure of the main body of the present utility model;

FIG. 2 is a schematic view of another view of the body of the present utility model;

FIG. 3 is a schematic view of the structure of the stabilizing assembly and the driving assembly of the present utility model;

FIG. 4 is a schematic view of a cross-section of a housing according to the present utility model;

fig. 5 is a schematic diagram of the structure of fig. 4 a according to the present utility model.

In the figure: 1. support legs; 2. a housing; 3. a seal head; 4. a tube bundle; 5. cleaning the pipe; 6. cleaning the groove; 7. a slide block; 8. a cleaning plate; 9. a first rod body; 10. a stabilizing plate; 11. a second rod body; 12. a rod body III; 13. a motor; 14. a gear; 15. a toothed plate; 16. a smoke inlet; 17. a smoke outlet; 18. cleaning the mouth; 19. cleaning a door; 20. a hinge; 21. a sealing plate; 22. a first groove body; 23. a second groove body; 24. a groove body III; 25. a locking pin; 26. spring

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

As shown in fig. 1 to 5, this embodiment provides an industrial kiln flue gas heat exchanger, including supporting leg 1 and install casing 2 on supporting leg 1, still include head 3, tube bank 4, cleaning component one and cleaning component two, head 3 is two, and two heads 3 are installed respectively in the both sides of casing 2, and tube bank 4 is a plurality of, and a plurality of tube banks 4 all run through and communicate two heads 3, and cleaning component is a plurality of, and a plurality of cleaning components all slidable mounting is on the lateral wall of tube bank 4, and cleaning component two slidable mounting is in the bottom of casing 2 inside wall.

Specifically, through setting up cleaning component one, cleaning component one sliding connection is on the lateral wall of tube bank 4, cleaning component one can scrape the impurity that condenses on the lateral wall of tube bank 4 and get, hang the impurity that will adsorb on the lateral wall of tube bank 4, thereby make the pipe wall keep clean, and then improve the efficiency of heat exchange between flue gas and the tube bank 4, through setting up cleaning component two, cleaning component two can clear up the impurity that cleaning component one hung and scrape, can clear up the outside of casing 2 with the impurity, prevent that the impurity from piling up in the bottom of casing 2, through setting up head 3 and tube bank 4, the inside coolant liquid of head 3 can carry out heat transfer with the flue gas through the inside of casing 2 of tube bank 4, thereby reach the purpose of heat exchange.

Further, the first cleaning assembly comprises a plurality of cleaning tubes 5, each cleaning tube 5 is mounted on the outer side wall of each tube bundle 4, and each cleaning tube 5 is connected with the second cleaning assembly through a stabilizing assembly.

Further, through setting up clearance pipe 5 to tube bank 4 runs through clearance pipe 5, and clearance pipe 5's inside wall and tube bank 4's lateral wall contact, clearance pipe 5 can cut and scratch the lateral wall of tube bank 4, thereby the impurity that attaches on tube bank 4 lateral wall when drops, through setting up stable subassembly, stable subassembly can be connected a plurality of clearance pipes 5, and make clearance subassembly one be connected with clearance subassembly two, when clearance subassembly two removes, can drive clearance subassembly one simultaneously and remove.

Still further, clearance subassembly two includes clearance groove 6, slider 7 and clearance board 8, the bottom at casing 2 inside wall is seted up to clearance groove 6, slider 7 installs the inside at clearance groove 6, and slider 7 passes through drive assembly and clearance groove 6 sliding connection, the quantity of clearance board 8 is two, two clearance boards 8 all pass through body of rod one 9 and slider 7 fixed connection, and, the lateral wall of clearance board 8 and the inside wall contact of clearance groove 6, inlet 16 and outlet 17 have been seted up to the lateral wall of casing 2, and clearance mouth 18 has been seted up to the bottom of casing 2, the quantity of clearance mouth 18 is two, two clearance mouthfuls 18 are seted up at the both ends of casing 2 bottom, and two clearance mouthfuls 18 and clearance groove 6 intercommunication.

Further, through setting up clearance groove 6, clearance groove 6 can collect the impurity that clearance subassembly one cut and scratch off, clearance board 8 can clear up clearance groove 6 through a pair of slider 7, clearance board 8 can clear up clearance mouth 18 department with the inside impurity in clearance groove 6, the impurity drops in the outside of casing 2 through clearance mouth 18, through setting up inlet 16 and outlet 17, inlet 16 can connect the flue gas passageway of kiln, the flue gas passageway carries the inside of heat exchanger through inlet 16 with the flue gas, the flue gas carries out heat exchange through tube bank 4, the inside rethread outlet 17 discharge casing 2 to reach heat exchange's purpose.

Further, the stabilizing assembly comprises a stabilizing plate 10 and a third rod 12, the stabilizing plate 10 is connected with each cleaning tube 5 through a second rod 11, and the stabilizing plate 10 is connected with the sliding block 7 through the third rod 12.

Through setting up body of rod two 11, body of rod two 11 can be with stable board 10 and clearance pipe 5 connection, and stable board 10 can link together a plurality of clearance pipes 5, increases the stability between the clearance pipe 5 to be connected stable board 10 and slider 7 through body of rod three 12, slider 7 can drive stable board 10 and clearance pipe 5 and remove, thereby makes clearance pipe 5 can clear up the impurity on the lateral wall of pipe bundle 4, increases the practicality of clearance structure.

Preferably, the driving assembly includes a motor 13 and a toothed plate 15, the motor 13 is mounted on top of the slider 7, and a gear 14 is mounted at an output end of the motor 13, the toothed plate 15 is fixedly mounted on an inner sidewall of the housing 2, and the toothed plate 15 is engaged with the gear 14.

Through setting up pinion rack 15, pinion rack 15 and the inside wall fixed connection of casing 2 to motor 13 sets up on slider 7, and gear 14 is installed to motor 13's output, and gear 14 can drive slider 7 at the inside removal of clearance groove 6 through with pinion rack 15 meshing, thereby drive clearance board 8 clear up clearance groove 6 inside impurity, and then make slider 7 drive clearance pipe 5 through stabilizer plate 10 and remove on tube bank 4, clear up tube bank 4, thereby increased the linkage nature between clearance subassembly one and the clearance subassembly two.

In order to prevent the leakage of the flue gas at the cleaning port 18 of the heat exchanger, the heat exchanger further comprises two cleaning doors 19, hinges 20, sealing plates 21 and locking assemblies, wherein one ends of the two cleaning doors 19 are arranged on the outer side wall of the shell 2 through the hinges 20, the cleaning doors 19 are connected with the two cleaning ports 18 through the sealing plates 21, and the other ends of the two cleaning doors 19 are connected with the shell 2 through the locking assemblies.

Specifically, through setting up clearance door 19, when needs clear up the impurity of clearance groove 6 inside, can open clearance door 19 through locking component and hinge 20 to can make impurity through clearance mouth 18 at the inside whereabouts of casing 2, through setting up closing plate 21, clearance door 19 can drive closing plate 21 and block up clearance mouth 18 when closing, can prevent that the flue gas from leaking at clearance mouth 18 inside, increase the leakproofness of this heat exchanger, through setting up locking component, can be with clearance door 19 and be connected with the lateral wall of casing 2, and then increase the leakproofness of clearance door 19.

Preferably, the locking assembly comprises a first groove body 22, a second groove body 23, a third groove body 24 and a locking pin 25, wherein the first groove body 22 is arranged on the cleaning door 19, the second groove body 23 is arranged on the shell 2, the first groove body 22 is communicated with the second groove body 23, the third groove body 24 is arranged on the shell 2, the third groove body 24 is communicated with the second groove body 23, the locking pin 25 penetrates through and is in sliding connection with the inside of the first groove body 22, the second groove body 23 and the third groove body 24, and the locking pin 25 is connected with the side wall of the second groove body 23 through a spring 26.

Specifically, through seting up cell body one 22, cell body two 23 and cell body three 24, the spacer pin can be in cell body one 22, cell body two 23 and inside slip of cell body three 24, when pushing the spacer pin to clearance door 19 direction, the spacer pin can be released the locking of cell body one 22 to release to clearance door 19 and lock, when spring 26 promotes the spacer pin to remove to clearance door 19 opposite direction, the spacer pin can automatic hook the inside wall of cell body one 22, thereby reach the purpose of being connected to clearance door 19 on casing 2, and then make closing plate 21 insert the inside of clearance mouth 18, increase the leakproofness and the practicality of the device.

The working principle of the embodiment is as follows: when needs are cleared up tube bank 4, at first promote spacer pin to clearance door 19 direction, later open motor 13, motor 13 drives gear 14 and moves on pinion rack 15, gear 14 drives slider 7 and moves in clearance inslot 6, clearance board 8 of installation on the slider 7 is through the drive of slider 7, clear up the inside impurity of clearance inslot 6, the outside that the inside impurity of clearance inslot 6 falls to casing 2 through clearance mouth 18, when slider 7 removes, slider 7 drives clearance pipe 5 through stabilizer 10 and clears up tube bank 4, the impurity that drops can fall into clearance inslot 6 inside, the rethread clearance board 8 clear up.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides an industrial furnace flue gas heat exchanger, includes supporting leg (1) and installs casing (2) on supporting leg (1), its characterized in that still includes:

the two sealing heads (3) are arranged, and the two sealing heads (3) are respectively arranged at two sides of the shell (2);

the tube bundles (4) are multiple, and the tube bundles (4) are communicated with the two seal heads (3) in a penetrating way;

the cleaning assembly I is multiple and is slidably arranged on the outer side wall of the tube bundle (4);

and the second cleaning component is slidably arranged at the bottom of the inner side wall of the shell (2).

2. The industrial kiln flue gas heat exchanger of claim 1, wherein the first cleaning assembly comprises:

cleaning pipes (5), the quantity of cleaning pipes (5) is a plurality of, every cleaning pipes (5) are all installed every on the lateral wall of tube bank (4), and every cleaning pipes (5) all pass through stable subassembly with clearance subassembly two is connected.

3. The industrial kiln flue gas heat exchanger of claim 2, wherein the second cleaning assembly comprises:

the cleaning groove (6) is formed in the bottom of the inner side wall of the shell (2);

the sliding block (7), the said sliding block (7) is installed in the said cleaning tank (6), and the said sliding block (7) is connected with said cleaning tank (6) slidably through the driving assembly;

the cleaning plates (8), the quantity of cleaning plates (8) is two, two cleaning plates (8) all through body of rod one (9) with slider (7) fixed connection, and, the lateral wall of cleaning plate (8) with the inside wall contact of clearance groove (6).

4. The industrial kiln flue gas heat exchanger of claim 3, wherein the stabilizing assembly comprises:

the stabilizing plate (10) is connected with each cleaning pipe (5) through a second rod body (11), and the stabilizing plate (10) is connected with the sliding block (7) through a third rod body (12).

5. The industrial kiln flue gas heat exchanger of claim 4, wherein the drive assembly comprises:

the motor (13), the said motor (13) is installed on the top of the said slide block (7), and the output end of the said motor (13) is fitted with the gear (14);

-a toothed plate (15), said toothed plate (15) being fixedly mounted on an inner side wall of said housing (2) and said toothed plate (15) being in engagement with said gear (14).

6. The industrial kiln flue gas heat exchanger according to claim 5, characterized in that a flue gas inlet (16) and a flue gas outlet (17) are formed in the outer side wall of the shell (2), and a cleaning port (18) is formed in the bottom of the shell (2);

the number of the cleaning ports (18) is two, the two cleaning ports (18) are formed in two ends of the bottom of the shell (2), and the two cleaning ports (18) are communicated with the cleaning groove (6).

7. The industrial kiln flue gas heat exchanger of claim 6, further comprising:

the cleaning doors (19), the number of the cleaning doors (19) is two, one ends of the two cleaning doors (19) are all installed on the outer side wall of the shell (2) through hinges (20), and the cleaning doors (19) are connected with the two cleaning ports (18) through sealing plates (21);

and the other ends of the two cleaning doors (19) are connected with the shell (2) through the locking assemblies.

8. The industrial kiln flue gas heat exchanger of claim 7, wherein the locking assembly comprises:

the first groove body (22) is arranged on the cleaning door (19);

the second groove body (23), the second groove body (23) is arranged on the shell (2), and the first groove body (22) is communicated with the second groove body (23);

the third groove body (24) is formed in the shell (2), and the third groove body (24) is communicated with the second groove body (23);

and the locking pin (25) penetrates through the groove body I (22), the groove body II (23) and the groove body III (24) in a sliding manner, and the locking pin (25) is connected with the side wall of the groove body II (23) through a spring (26).