CN220959727U - Tubular heat exchanger with self-cleaning descaling mechanism - Google Patents

Abstract

The application provides a tubular heat exchanger with a self-cleaning descaling mechanism, which comprises a base, wherein a bracket is fixedly distributed on the outer wall of one side of the top of the base, a mounting frame is fixedly arranged on the outer wall of the top of the bracket, a folding heat exchange tubular is fixedly arranged in the mounting frame, a spiral heat exchange tube is sleeved on the outer wall of the folding heat exchange tubular, and connecting flanges are fixedly arranged at the two ends of the spiral heat exchange tube penetrating through the outer part of the mounting frame. According to the application, through the arrangement of the pump liquid descaling assembly, the turbine pump works, and the liquid is pumped through the liquid suction pipe, so that the liquid is input into the folding heat exchange tube array; the turbine pump works to drive the half gear to rotate, the cross rod is driven to transversely move under the cooperation of the half gear and the rack, the cross rod is driven to reset under the action of the spring, the cross rod and the descaling brush are enabled to reciprocate, the descaling brush is used for removing miscellaneous scales below the heat exchange tube, and automatic cleaning and descaling in the working process of the tube-in-tube heat exchanger are achieved.

Description

Tubular heat exchanger with self-cleaning descaling mechanism

Technical Field

The utility model relates to the technical field of tube array heat exchangers, in particular to a tube array heat exchanger with a self-cleaning descaling mechanism.

Background

The tube type heat exchanger is the heat exchanger with the widest application in chemical industry and alcohol production. The device mainly comprises a shell, a tube plate, a heat exchange tube, an end socket, a baffle plate and the like; the required materials can be respectively made of common carbon steel, red copper or stainless steel; when heat exchange is carried out, a fluid enters from the connecting pipe of the seal head, flows in the pipe and flows out from the outlet pipe at the other end of the seal head, which is called as a pipe side; the other fluid enters from the connecting pipe of the shell and flows out from the other connecting pipe on the shell, which is called shell side, the tube type heat exchanger has a simpler and more compact structure and low cost, but the outside of the tube cannot be mechanically cleaned; the tube bundle of the heat exchanger is connected to a tube plate, the tube plates are welded at two ends of the shell respectively, a top cover is connected to the tube plates, and the top cover and the shell are provided with fluid inlet and outlet connecting tubes; typically a series of baffles perpendicular to the tube bundle are installed outside the tubes; at the same time, the connection of the tube and the tube plate with the shell is rigid, and the outside of the tube inner tube is provided with two fluids with different temperatures. Therefore, when the temperature difference between the tube wall and the shell wall is large, great temperature difference stress is generated due to the difference of thermal expansion of the tube wall and the shell wall, so that the tube is twisted or loosened from the tube plate, and even the heat exchanger is destroyed.

However, the tube nest heat exchanger in the existing market is simple in structure, and impurities and scales can be condensed on the outer wall of the heat exchange tube nest in the long-term use process of the tube nest heat exchanger, and the tube nest heat exchanger does not have self-cleaning and descaling capabilities, and needs to be cleaned manually, so that the tube nest heat exchanger is laborious and inconvenient. Therefore, we make improvements to this and propose a tube array heat exchanger with a self-cleaning descaling mechanism.

Disclosure of utility model

The utility model aims at: aiming at the problems that the outer wall of a heat exchange tube can condense dirt during the long-term use process of the tube nest heat exchanger existing at present, the tube nest heat exchanger has no self-cleaning and descaling capability, needs to be cleaned manually and is relatively laborious and inconvenient.

In order to achieve the above object, the present utility model provides the following technical solutions:

A tubular heat exchanger with self-cleaning descaling mechanism to improve the above-mentioned problems.

The application is specifically as follows:

Including the base, it is fixed with the support to distribute on the top one side outer wall of base, be fixed with the installing frame on the top outer wall of support, be fixed with folding heat exchange tubulation on the inside of installing frame, the cover is equipped with spiral heat exchange tube on the outer wall of folding heat exchange tubulation, spiral heat exchange tube both ends run through in the outside of installing frame is fixed with flange, be provided with the top cap on the top outer wall of installing frame, be provided with pump liquid scale removal subassembly on the top one side outer wall of base, be provided with self-cleaning subassembly on the both sides outer wall of base.

According to the technical scheme, the liquid pumping descaling assembly comprises a fixing frame fixed on one side outer wall of the top of the base, a turbine pump is fixed on the top outer wall of the fixing frame, a first motor is installed on the outer wall of the turbine pump, a liquid suction end of the turbine pump is connected with a liquid suction pipe in a penetrating mode, the liquid pumping end of the turbine pump is connected with one end of a folding heat exchange tube, guide grooves are formed in the two side outer walls of the top of the base, guide blocks are arranged in the guide grooves, springs are fixed on one side inner wall of the guide blocks, a cross rod is fixed on the top outer wall of the guide blocks, a descaling brush is fixed on the top outer wall of the cross rod, the top end of the descaling brush is inserted into the installation frame, a transmission shaft is rotatably installed on the end outer wall of the fixing frame, a belt pulley is fixed on one end of the turbine pump shaft and one end of the transmission shaft, a belt is sleeved between the belt pulleys, a half gear is fixed on the other end of the transmission shaft, a rack is fixed on one side outer wall of the cross rod, and the rack is meshed with the half gear.

As the preferable technical scheme of the application, the self-cleaning component comprises an n-type pipe frame arranged on the outer wall of the base, wherein L-shaped sliding blocks are fixed at the two ends of the n-type pipe frame, sliding grooves are formed in the outer walls of the two sides of the base, the L-shaped sliding blocks are inserted into the outer walls of one end inside the sliding grooves, screw rods are connected in a threaded manner in the screw holes, the two ends of the screw rods are rotationally connected with the inner walls of the two ends of the sliding grooves, a second motor is arranged on the outer wall of one side of the base, the second motor is coaxially connected with the screw rods, a water tank is arranged on the outer wall of the bottom of the base, a liquid suction pump is arranged on the outer wall of the water tank, a liquid suction end of the liquid suction pump penetrates through the inner part of the water tank, a liquid suction pump is connected with a liquid suction pipe, one end of the liquid pump pipe penetrates through the inner part of the n-type pipe frame, and liquid spraying branch pipes are distributed and connected on the outer wall of the n-type pipe frame.

As a preferable technical scheme of the application, the liquid pumping pipe is a telescopic hose.

As a preferable technical scheme of the application, the cleaning liquid is filled in the water tank, and a liquid injection port is connected to the outer wall of one side of the top of the water tank in a penetrating way.

As the preferable technical scheme of the application, guide wheels are arranged on the outer walls of the two sides of the end part of the n-type pipe frame, guide wheel grooves are formed on the outer walls of the two sides of the base, and the guide wheels are clamped in the guide wheel grooves.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. Through the arrangement of the pump liquid descaling assembly, the turbine pump works, liquid is pumped through the liquid suction pipe, so that the liquid is input into the folding heat exchange tube array, heat exchange work is realized through circulation of the liquid in the folding heat exchange tube array and the spiral heat exchange tube, the turbine pump works to drive the belt pulley to rotate, the half gear is driven to rotate under the transmission of the belt, the cross rod is driven to transversely move under the cooperation of the half gear and the rack, the spring is compressed in the process, the cross rod is driven to reset, and therefore the cross rod and the descaling brush above are moved back and forth, the descaling brush cleans dirt below the heat exchange tube array, and automatic cleaning and descaling in the working process of the tube array heat exchanger are realized;

2. Through the setting of self-cleaning subassembly, this tubulation heat exchanger's idle in-process, control second motor work drives the screw rod and rotates, drives L type slider and sideslip along the spout under the cooperation of screw rod and screw to drive n type tube sheet and carry out the sideslip on tubulation heat exchanger, in-process suction pump work carries out the pump of the interior cleaning solution of water tank, makes the cleaning solution input n type tube sheet through the pump liquid pipe in, makes the cleaning solution spraying on tubulation heat exchanger outer wall through hydrojet branch pipe, realizes tubulation heat exchanger's self-cleaning.

Drawings

FIG. 1 is a schematic perspective view of a tube array heat exchanger with a self-cleaning descaling mechanism provided by the application;

FIG. 2 is an enlarged view of the structure of the area A in the tube array heat exchanger with the self-cleaning descaling mechanism;

FIG. 3 is an enlarged view of the structure of the B region in the tube array heat exchanger with the self-cleaning descaling mechanism;

Fig. 4 is an enlarged view of the structure of the C region in the tube array heat exchanger with the self-cleaning descaling mechanism.

The figures indicate:

1. A base; 2. a bracket; 3. a mounting frame; 4. folding a heat exchange tube array; 5. a spiral heat exchange tube; 6. a connecting flange; 7. a top cover; 8. a pump fluid descaling assembly; 9. a self-cleaning assembly; 10. a liquid injection port; 11. a guide wheel; 12. a guide wheel groove;

801. A fixing frame; 802. a turbine pump; 803. a first motor; 804. a pipette; 805. a guide groove; 806. a guide block; 807. a cross bar; 808. a spring; 809. a descaling brush; 810. a belt pulley; 811. a belt; 812. a half gear; 813. a rack; 814. a descaling brush;

901. An n-type tube frame; 902. an L-shaped sliding block; 903. a chute; 904. a screw hole; 905. a screw; 906. a second motor; 907. a water tank; 908. a liquid suction pump; 909. a liquid pumping pipe; 910. and a liquid spraying branch pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. 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.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment proposes a tubular heat exchanger with a self-cleaning descaling mechanism, which comprises a base 1, a bracket 2 is fixedly distributed on the outer wall of one side of the top of the base 1, a mounting frame 3 is fixedly arranged on the outer wall of the top of the bracket 2, a folding heat exchange tubular 4 is fixedly arranged in the mounting frame 3, a spiral heat exchange tube 5 is sleeved on the outer wall of the folding heat exchange tubular 4, two ends of the spiral heat exchange tube 5 penetrate through the outer wall of the mounting frame 3 and are fixedly provided with a connecting flange 6, a top cover 7 is arranged on the outer wall of the top of the mounting frame 3, a pumping descaling component 8 is arranged on the outer wall of one side of the top of the base 1, self-cleaning components 9 are arranged on the outer walls of two sides of the base 1, and in the use process of the tubular heat exchanger, heat exchange work is realized through the circulation of liquid in the folding heat exchange tubular 4 and the spiral heat exchange tube 5.

As a preferred embodiment, further, based on the above mode, the pump liquid descaling assembly 8 comprises a fixing frame 801 fixed on the outer wall of one side of the top of the base 1, a turbine pump 802 is fixed on the outer wall of the top of the fixing frame 801, a first motor 803 is installed on the outer wall of the turbine pump 802, a liquid suction end of the turbine pump 802 is connected with a liquid suction pipe 804 in a penetrating way, the liquid suction end of the turbine pump 802 is connected with one end of the folding heat exchange tube 4, a guide groove 805 is formed on the outer wall of two sides of the top of the base 1, a guide block 806 is arranged in the guide groove 805, a spring 808 is fixed on the inner wall of one side of the guide block 805, a cross bar 807 is fixed on the outer wall of the top of the guide block 806, a descaling brush 814 is fixed on the outer wall of the top of the cross bar 814, the top of the descaling brush 814 is inserted into the mounting frame 3, a transmission shaft 809 is rotatably installed on the outer wall of the end of the fixing frame 801, a belt pulley 810 is fixed on one end of the rotation shaft 802 and the transmission shaft 809, a belt 811 is sleeved between the pulleys 810, a half gear 812 is fixed at the other end of the transmission shaft 809, a rack 813 is fixed on the outer wall of one side of the transverse rod 807, the rack 813 is in meshed connection with the half gear 812, in the process of inputting in the folding heat exchange tube array 4, the first motor 803 is controlled to work to drive the turbine pump 802 to work, the liquid is pumped through the liquid suction tube 804 to enable the liquid to be input into the folding heat exchange tube array 4, the heat exchange work is achieved through the circulation of the liquid in the folding heat exchange tube array 4 and the spiral heat exchange tube 5, the pulley 810 is driven to rotate in the working process of the turbine pump 802, the half gear 812 is driven to rotate under the transmission of the belt 811, the transverse rod 807 is driven to transversely move under the cooperation of the guide block 806 and the guide groove 805 under the cooperation of the half gear 812 and the rack 813, the spring 808 is compressed in the process to drive the transverse rod 807 to reset, thereby realizing the reciprocating movement of the cross rod 807 and the descaling brush 814 above, the descaling brush 814 moves to remove the impurity dirt below the heat exchange tube array in the mounting frame 3, and realizing the automatic cleaning and descaling in the working process of the tube array heat exchanger.

As a preferred embodiment, on the basis of the above mode, further, self-cleaning assembly 9 includes n-type tube frame 901 disposed on the outer wall of base 1, L-type slider 902 is fixed at two ends of n-type tube frame 901, slide grooves 903 are formed on the outer walls of two sides of base 1, screw holes 904 are formed on the outer walls of one end inside slide grooves 903 in a plugging manner, screw rods 905 are connected in a threaded manner in the screw holes 904, two ends of screw rods 905 are rotatably connected with the inner walls of two ends of slide grooves 903, second motor 906 is mounted on one side outer wall of base 1, second motor 906 and screw rods 905 are coaxially connected, water tank 907 is disposed on the bottom outer wall of base 1, suction pump 908 is mounted on the outer wall of water tank 907, suction pump 908 penetrates through the inside water tank 907, pump 908 is connected with pump fluid pipe 909, one end of pump fluid pipe 901 penetrates through the inside n-type tube frame 901, screw holes 910 are formed in a penetrating manner on the outer wall of n-type tube frame 901, in the process of heat exchanger is controlled to operate and drive screw rods 905 to rotate, and drive screw rods 905 and 904 to transversely move along with L-type tube frame 903, thereby cleaning fluid pipe pump 908 is carried out in the process of cleaning fluid pipe pump frame 908, and cleaning fluid is carried out in water tank pump frame 908.

In a preferred embodiment, the above embodiment is further provided that the pump fluid pipe 909 is a flexible hose, which facilitates the pumping of the pump fluid pipe 909 during the movement of the n-type pipe frame 901.

In a preferred embodiment, the cleaning liquid is filled in the water tank 907, the liquid filling port 10 is connected to the top side outer wall of the water tank 907, and the cleaning liquid in the water tank 907 is replenished through the liquid filling port 10.

As a preferred embodiment, based on the above manner, further, guide wheels 11 are installed on the outer walls of two sides of the end portion of the n-type pipe frame 901, guide wheel grooves 12 are formed on the outer walls of two sides of the base 1, the guide wheels 11 are clamped inside the guide wheel grooves 12, and the n-type pipe frame 901 is stably laterally moved due to the cooperation of the guide wheels 11 and the guide wheel grooves 12.

Specifically, this shell and tube heat exchanger with self-cleaning scale removal mechanism when during operation/during use: the first motor 803 is controlled to work to drive the turbine pump 802 to work, liquid is pumped through the liquid suction pipe 804, the liquid is input into the folding heat exchange tube array 4, heat exchange work is realized through circulation of the liquid in the folding heat exchange tube array 4 and the spiral heat exchange tube array 5, a belt pulley 810 is driven to rotate in the working process of the turbine pump 802, a half gear 812 is driven to rotate under the transmission of a belt 811, a cross rod 807 is driven to transversely move under the cooperation of the half gear 812 and a guide groove 805, a spring 808 is compressed in the process, the cross rod 807 is driven to reset, so that the cross rod 807 and a descaling brush 814 above reciprocate, and the descaling brush 814 moves to clean miscellaneous scales below the heat exchange tube array in the mounting frame 3, so that automatic cleaning and descaling in the working process of the tube array heat exchanger are realized; in the idle process of the tube array heat exchanger, the second motor 906 is controlled to work to drive the screw 905 to rotate, the L-shaped sliding block 902 is driven to transversely move along the sliding groove 903 under the cooperation of the screw 905 and the screw hole 904, so that the n-shaped tube frame 901 is driven to transversely move on the tube array heat exchanger, the in-process liquid suction pump 908 works to pump cleaning liquid in the water tank 907, the cleaning liquid is input into the n-shaped tube frame 901 through the liquid pumping pipe 909, and the cleaning liquid is sprayed on the outer wall of the tube array heat exchanger through the liquid spraying branch pipe 910, so that the self-cleaning of the tube array heat exchanger is realized.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims (6)

1. The utility model provides a tubular heat exchanger with self-cleaning descaling mechanism, its characterized in that, including base (1), be fixed with support (2) on the top one side outer wall of base (1) distribution, be fixed with installing frame (3) on the top outer wall of support (2), be fixed with folding heat exchange shell and tube (4) on the inside of installing frame (3), the cover is equipped with spiral heat exchange tube (5) on the outer wall of folding heat exchange shell and tube (4), spiral heat exchange tube (5) both ends run through in the outside of installing frame (3) is fixed with flange (6), be provided with top cap (7) on the top outer wall of installing frame (3), be provided with pump liquid descaling component (8) on the top one side outer wall of base (1), be provided with self-cleaning component (9) on the both sides outer wall of base (1).

2. The tube heat exchanger with self-cleaning descaling mechanism according to claim 1, wherein the pump liquid descaling assembly (8) comprises a fixing frame (801) fixed on the outer wall of one side of the top of the base (1), a turbine pump (802) is fixed on the outer wall of the top of the fixing frame (801), a first motor (803) is installed on the outer wall of the turbine pump (802), a liquid suction end of the turbine pump (802) is connected with a liquid suction pipe (804) in a penetrating way, the liquid suction end of the turbine pump (802) is connected with one end of a folding heat exchange tube (4), guide grooves (805) are formed on the outer walls of two sides of the top of the base (1), guide blocks (806) are arranged in the guide grooves (805), springs (808) are fixed on the inner wall of one side of the guide blocks (806), a cross bar (807) is fixed on the outer wall of the top of the guide blocks (806), a descaling brush (814) is fixed on the outer wall of the top of the cross bar (807), the top of the descaling brush (814) is inserted into the inside of the mounting frame (3), the end of the turbine pump (801) is provided with a guide groove (805), a belt pulley (810) is arranged on the end of the guide shaft (811) and a belt (810) is sleeved on the belt pulley (811), the other end of the transmission shaft (809) is fixed with a half gear (812), a rack (813) is fixed on the outer wall of one side of the cross rod (807), and the rack (813) is meshed with the half gear (812).

3. The tube nest heat exchanger with self-cleaning descaling mechanism according to claim 1, wherein the self-cleaning assembly (9) comprises an n-type tube frame (901) arranged on the outer wall of the base (1), two ends of the n-type tube frame (901) are fixedly provided with an L-type sliding block (902), sliding grooves (903) are formed in the outer walls of two sides of the base (1), the L-type sliding block (902) is inserted into the outer wall of one end inside the sliding groove (903), screw holes (904) are formed in the inner wall of the screw holes (904) in a screwed mode, two ends of the screw rods (905) are rotatably connected with the inner walls of two ends of the sliding groove (903), a second motor (906) is arranged on one side outer wall of the base (1), the second motor (906) is coaxially connected with the screw rods (905), a water tank (907) is arranged on the outer wall of the bottom of the base (1), a liquid suction pump (908) is arranged on the outer wall of the water tank (907), the liquid suction pump (908) penetrates through the water tank (908), and the liquid suction pump (908) penetrates through the inner wall of the tube (901), and is connected with the liquid suction pump (908) through the inner wall of the n-type tube (901).

4. A tubular heat exchanger with self-cleaning descaling mechanism according to claim 3, characterized in that the pump fluid pipe (909) is a telescopic hose.

5. A tubular heat exchanger with self-cleaning descaling mechanism according to claim 3, characterized in that the inside of the water tank (907) is filled with cleaning liquid, and the top side outer wall of the water tank (907) is connected with a liquid injection port (10) through.

6. The tube heat exchanger with the self-cleaning descaling mechanism according to claim 3, wherein guide wheels (11) are installed on the outer walls of the two sides of the end part of the n-type tube frame (901), guide wheel grooves (12) are formed on the outer walls of the two sides of the base (1), and the guide wheels (11) are clamped inside the guide wheel grooves (12).