CN113465417A

CN113465417A - Plate-type preheater capable of efficiently utilizing waste heat

Info

Publication number: CN113465417A
Application number: CN202110587722.1A
Authority: CN
Inventors: 唐伟杰
Original assignee: Shanghai Lalleen Industrial Equipment Co ltd
Current assignee: Shanghai Lalleen Industrial Equipment Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-10-01

Abstract

The invention discloses a plate preheater capable of efficiently utilizing waste heat, and relates to the technical field of plate preheaters. The plate preheater capable of efficiently utilizing waste heat comprises a base, wherein first fixed rods are symmetrically and fixedly connected to the upper end face of the base, first slide rods are symmetrically and fixedly connected between the first fixed rods through transverse plates, preheating plates are equidistantly and slidably connected to the outer portions of the first slide rods through first ring blocks, first air vents are symmetrically formed in the front of the right end face of each preheating plate, sliding columns are slidably connected to the inner portions of guide grooves, and the sliding columns are fixedly connected to the upper end face of each preheating plate; the upper end face of the base is symmetrically and fixedly connected with a second slide bar, the outer portion of the second slide bar is connected with second ring blocks in a sliding mode, the cleaning plates are fixedly connected between the second ring blocks, and the upper end faces of the cleaning plates are provided with the strip-shaped grooves in an equidistant mode.

Description

Plate-type preheater capable of efficiently utilizing waste heat

Technical Field

The invention relates to the technical field of plate preheaters, in particular to a plate preheater capable of efficiently utilizing waste heat.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed among various plates, heat exchange is carried out through the plates, and the plate heat exchanger is ideal equipment for carrying out heat exchange on liquid-liquid and liquid-vapor.

But present plate heater uses the back for a long time, because carry out the cold and hot exchange of air for a long time, the attached dust can be piled up on plate heater's slab in the air, it can influence its heat transfer effect to pile up the dust for a long time, so every a period all need clean, however the installation of ordinary plate heater is dismantled complicatedly, clean process consumes a large amount of manpower and materials, waste time and energy, current plate heater causes thermal waste easily at the in-process to steam waste heat recovery in addition, reduce heat exchange efficiency.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a plate preheater capable of efficiently utilizing waste heat, which solves the problems that after the conventional plate preheater is used for a long time, the heat exchange of air is carried out for a long time, dust attached to the air can be accumulated on plates of the plate preheater, and the heat exchange effect of the plate preheater can be influenced due to the long-time accumulation of the dust, so that the plate preheater needs to be cleaned every time, however, the common plate preheater is complex in installation and disassembly, a large amount of manpower and material resources are consumed in the cleaning process, time and labor are wasted, and the heat is easily wasted in the process of recovering the waste heat of hot gas by the conventional plate preheater, and the heat exchange efficiency is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a plate preheater for efficiently utilizing waste heat comprises a base, wherein first fixed rods are symmetrically and fixedly connected to the upper end face of the base, first slide rods are symmetrically and fixedly connected between the first fixed rods through transverse plates, preheating plates are equidistantly and slidably connected to the outer portions of the first slide rods through first ring blocks, first vent holes are symmetrically formed in the front of the right end face of each preheating plate, and second vent holes are symmetrically formed in the rear of the right end face of each preheating plate; the rear part of the upper end face of the base is fixedly connected with a first driving motor through a second fixing rod, the first driving motor is fixedly connected with a screw rod through an output shaft, the outer part of the screw rod is in threaded connection with a first rack, the outer part of the first rack is in sliding connection with a square ring, the square ring is fixedly connected to the upper end face of the base through a third fixing rod, the front end face of the first rack is fixedly connected with a plate body, guide grooves are formed in the upper end face of the plate body at equal intervals, sliding columns are all in sliding connection in the guide grooves, and the sliding columns are fixedly connected to the upper end face of the preheating plate; base up end symmetry fixedly connected with second slide bar, the equal sliding connection in second slide bar outside has the second ring piece, fixedly connected with cleans the board between the second ring piece, the strip groove has been seted up to cleaning board up end equidistance.

Preferably, the first vent hole is communicated with a gas pipe through a telescopic pipe, and the inner cavity wall of the gas pipe is fixedly connected with a fan.

Preferably, the base rear end face is connected with the pivot through the rotation of fourth dead lever, first gear and second gear of pivot outward appearance wall fixedly connected with from a left side to the right side in proper order, first gear with first rack toothing is connected, the meshing of second gear front portion is connected with the second rack, second rack fixed connection be in clean board rear end face.

Preferably, the upper end face of the second rack is fixedly connected with a limiting block.

Preferably, the front part of the upper end face of the base is symmetrically and fixedly connected with a third slide bar, the outer part of the third slide bar is slidably connected with a water delivery plate, the rear end face of the water delivery plate is communicated with nozzles in an equidistant mode, the upper end face of the base is fixedly connected with a second driving motor through a vertical rod, and an output shaft of the second driving motor is in transmission connection with the lower end face of the water delivery plate through a crank rocker mechanism.

Preferably, the left part of the upper end face of the base is fixedly connected with a water tank, the upper end face of the water tank is communicated with a water delivery pipe, a water pump is arranged on the front part of the outer surface wall of the water delivery pipe, and one end, far away from the water tank, of the water delivery pipe is communicated with the left end face of the water delivery plate.

Preferably, the inner groove wall of the strip-shaped groove is fixedly connected with bristles.

Preferably, four corners of the lower end face of the base are fixedly connected with pad feet through supporting legs, and the pad feet are in a circular truncated cone shape with a narrow upper part and a wide lower part.

Advantageous effects

The invention provides a plate preheater capable of efficiently utilizing waste heat. The method has the following beneficial effects:

(1) this plate heater of waste heat high-efficient utilization, through let in steam in the gas transmission pipe, then start the fan and accelerate the speed that steam flows in first venthole to can reduce thermal loss, improve heat exchange efficiency.

(2) The plate preheater with the high-efficiency utilization of the waste heat drives the screw rod to rotate by starting the first driving motor, so as to drive the first rack to move backwards, further drive the plate body to move backwards, because the middle part of the guide groove is in an inclined shape, the guide groove can extrude the sliding columns to be away from each other in the process of moving mutually, further drive the preheating plates to be away from each other, when the sliding columns slide to the tail end of the inclined part of the guide groove, the preheating plates are completely unfolded, meanwhile, the first rack is meshed and connected with the first gear, further drive the first gear to rotate, further drive the second gear to rotate through the rotating shaft, further drive the second rack to ascend, further drive the cleaning plates to ascend, the strip-shaped groove is sleeved outside the preheating plates, further ascends to scrape off dust on the outer surface wall of the preheating plates, then the water pump is started to introduce water in the water tank into the water conveying pipe, further enter the water conveying plate and then is sprayed out from the spray head, the second driving motor is started simultaneously, the water conveying plate is driven to do up-and-down reciprocating motion through the crank rocker mechanism, water mist is continuously sprayed to the outside of the preheating plate, accordingly, the cleaned dust can be dispersed, the preheating plate can be automatically and quickly cleaned, and time and labor are saved.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic top view of the board mounting structure of the present invention;

FIG. 5 is an enlarged cross-sectional view of the gas delivery tube of the present invention.

In the figure: 1-a base, 2-a first fixed rod, 3-a first slide rod, 4-a first ring block, 5-a preheating plate, 6-a first vent hole, 7-a second vent hole, 8-a second fixed rod, 9-a first driving motor, 10-a screw rod, 11-a first rack, 12-a square ring, 13-a third fixed rod, 14-a plate body, 15-a guide groove, 16-a slide column, 17-a second slide rod, 18-a second ring block, 19-a cleaning plate, 20-a strip groove, 21-a gas pipe, 22-a fan, 23-a fourth fixed rod, 24-a rotating shaft, 25-a first gear, 26-a second gear, 27-a second rack, 28-a limiting hole, 29-a third slide rod and 30-a water conveying plate, 31-a spray head, 32-a second driving motor, 33-a crank rocker mechanism, 34-a water tank and 35-a water conveying pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the first embodiment is as follows:

a plate preheater for efficiently utilizing waste heat comprises a base 1, wherein first fixing rods 2 are symmetrically and fixedly connected to the upper end face of the base 1, first sliding rods 3 are symmetrically and fixedly connected between the first fixing rods 2 through transverse plates, preheating plates 5 are equidistantly and slidably connected to the outer portions of the first sliding rods 3 through first ring blocks 4, first vent holes 6 are symmetrically formed in the front of the right end face of each preheating plate 5, and second vent holes 7 are symmetrically formed in the rear of the right end face of each preheating plate 5; the rear part of the upper end face of the base 1 is fixedly connected with a first driving motor 9 through a second fixing rod 8, the first driving motor 9 is fixedly connected with a screw rod 10 through an output shaft, the outer part of the screw rod 10 is in threaded connection with a first rack 11, the outer part of the first rack 11 is in sliding connection with a square ring 12, the square ring 12 is fixedly connected with the upper end face of the base 1 through a third fixing rod 13, the front end face of the first rack 11 is fixedly connected with a plate body 14, guide grooves 15 are formed in the upper end face of the plate body 14 at equal intervals, sliding columns 16 are all in sliding connection in the guide grooves 15, and the sliding columns 16 are fixedly connected with the upper end face of the preheating plate 5; base 1 up end symmetry fixedly connected with second slide bar 17, the equal sliding connection in second slide bar 17 outside has second ring piece 18, fixedly connected with cleans board 19 between the second ring piece 18, clean board 19 up end equidistance and seted up bar groove 20, first air vent 6 has gas-supply pipe 21 through flexible pipe intercommunication, chamber wall fixedly connected with fan 22 in the gas-supply pipe 21, through let in steam in the gas-supply pipe 21, then start fan 22 and accelerate the speed that steam flowed into in the first air vent 6, thereby can reduce thermal loss, and the heat exchange efficiency is improved.

Example two: the difference between this embodiment and the first embodiment is: the rear end face of the base 1 is rotatably connected with a rotating shaft 24 through a fourth fixing rod 23, the outer wall of the rotating shaft 24 is fixedly connected with a first gear 25 and a second gear 26 from left to right in sequence, the first gear 25 is meshed with a first rack 11, the front part of the second gear 26 is meshed with a second rack 27, the second rack 27 is fixedly connected with the rear end face of the cleaning plate 19, the upper end face of the second rack 27 is fixedly connected with a limiting block 28, the front part of the upper end face of the base 1 is symmetrically and fixedly connected with a third slide bar 29, the outer part of the third slide bar 29 is slidably connected with a water conveying plate 30, the rear end face of the water conveying plate 30 is equidistantly communicated with spray heads 31, the upper end face of the base 1 is fixedly connected with a second driving motor 32 through a vertical bar, an output shaft of the second driving motor 32 is in transmission connection with the lower end face of the water conveying plate 30 through a crank rocker mechanism 33, the left part of the upper end face of the base 1 is fixedly connected with a water tank 34, and the upper end face of the water tank 34 is communicated with a water conveying pipe 35, the front part of the outer wall of the water pipe 35 is provided with a water pump, one end of the water pipe 35, which is far away from the water tank 34, is communicated with the left end face of the water delivery plate 30, the inner wall of the strip-shaped groove 20 is fixedly connected with bristles, four corners of the lower end face of the base 1 are fixedly connected with pad feet through supporting legs, the pad feet are in a round table shape with a narrow top and a wide bottom, the first driving motor 9 is started to drive the screw rod 10 to rotate, so as to drive the first rack 11 to move backwards, so as to drive the plate body 14 to move backwards, because the middle part of the guide groove 15 is in an inclined shape, the guide groove 15 can extrude the sliding columns 16 to move away from each other in the process of mutual movement, so as to drive the preheating plates 5 to move away from each other, when the sliding columns 16 slide to the tail end of the inclined part of the guide groove 15, at the moment, the preheating plates 5 are completely unfolded, meanwhile, the first rack 11 is also meshed with the first gear 25, so as to drive the first gear 25 to rotate, and then drive the second gear 26 to rotate through the rotating shaft 24, and then drive second rack 27 and rise, and then drive and clean board 19 and rise, bar groove 20 registrates outside preheating plate 5, and then move up thereby scrape the dust of preheating plate 5 outer surface wall, then start the water pump and let in raceway 35 with the water in the water tank 34, and then enter into raceway 30 and spout from shower nozzle 31 again, start second driving motor 32 simultaneously, and then drive raceway 30 through crank rocker mechanism 33 and circulate reciprocating motion from top to bottom, the continuous water spray to preheating plate 5 outside with the water mist, thereby can break away the dust that the clearance got off, can clear up preheating plate 5 fast automatically, and is time saving and labor saving.

When the preheating plate 5 is required to be cleaned, the first driving motor 9 is started to drive the screw rod 10 to rotate, so as to drive the first rack 11 to move backwards and further drive the plate body 14 to move backwards, because the middle part of the guide groove 15 is in an inclined shape, the guide groove 15 can extrude the sliding columns 16 to move away from each other in the process of mutual movement, so as to drive the preheating plate 5 to move away from each other, when the sliding columns 16 slide to the tail end of the inclined part of the guide groove 15, the preheating plate 5 is completely unfolded, meanwhile, the first rack 11 is meshed and connected with the first gear 25, so as to drive the first gear 25 to rotate, and then the rotating shaft 24 drives the second gear 26 to rotate, so as to drive the second rack 27 to ascend, and then drive and clean board 19 and rise, bar groove 20 registrates in preheating plate 5 outsidely, and then it scrapes the dust of preheating plate 5 outer surface wall to go up thereby, then start the water pump and let in the water pipe 35 with the water in the water tank 34, and then enter into water delivery plate 30 and spout from shower nozzle 31 again, start second driving motor 32 simultaneously, and then drive water delivery plate 30 through crank rocker mechanism 33 and circulate reciprocating motion from top to bottom, the continuous is spouted water mist to preheating plate 5 outsidely, thereby can break away the dust that clears up, can clear up preheating plate 5 fast automatically, time saving and labor saving. According to the invention, by accelerating the flow rate of hot gas entering the first vent hole 6, the heat loss can be reduced, the heat exchange efficiency can be improved, and the preheating plate 5 can be automatically and rapidly cleaned, so that the time and labor are saved.

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

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

Claims

1. The utility model provides a plate preheater of waste heat high-efficient utilization, includes base (1), its characterized in that: the upper end face of the base (1) is symmetrically and fixedly connected with first fixing rods (2), first sliding rods (3) are symmetrically and fixedly connected between the first fixing rods (2) through transverse plates, the outer portions of the first sliding rods (3) are connected with preheating plates (5) in an equidistant sliding mode through first ring blocks (4), first vent holes (6) are symmetrically formed in the front of the right end face of each preheating plate (5), and second vent holes (7) are symmetrically formed in the rear of the right end face of each preheating plate (5); the rear part of the upper end face of the base (1) is fixedly connected with a first driving motor (9) through a second fixing rod (8), the first driving motor (9) is fixedly connected with a screw rod (10) through an output shaft, the outer part of the screw rod (10) is in threaded connection with a first rack (11), the outer part of the first rack (11) is in sliding connection with a square ring (12), the square ring (12) is fixedly connected with the upper end face of the base (1) through a third fixing rod (13), the front end face of the first rack (11) is fixedly connected with a plate body (14), guide grooves (15) are formed in the upper end face of the plate body (14) at equal intervals, sliding columns (16) are all in sliding connection with the inner parts of the guide grooves (15), and the sliding columns (16) are fixedly connected with the upper end face of the preheating plate (5); base (1) up end symmetry fixedly connected with second slide bar (17), the equal sliding connection in second slide bar (17) outside has second ring piece (18), fixedly connected with cleans board (19) between second ring piece (18), strip groove (20) have been seted up to cleaning board (19) up end equidistance.

2. A plate preheater for efficiently utilizing waste heat according to claim 1, wherein: the first vent hole (6) is communicated with a gas pipe (21) through a telescopic pipe, and the inner cavity wall of the gas pipe (21) is fixedly connected with a fan (22).

3. A plate preheater for efficiently utilizing waste heat according to claim 1, wherein: base (1) rear end face rotates through fourth dead lever (23) and is connected with pivot (24), pivot (24) exterior wall from a left side to the right side first gear of fixedly connected with (25) and second gear (26) in proper order, first gear (25) with first rack (11) meshing is connected, the meshing of second gear (26) front portion is connected with second rack (27), second rack (27) fixed connection be in clean board (19) rear end face.

4. A plate preheater for efficient use of waste heat as set forth in claim 3, wherein: and the upper end surface of the second rack (27) is fixedly connected with a limiting block (28).

5. A plate preheater for efficiently utilizing waste heat according to claim 1, wherein: base (1) up end front portion symmetry fixedly connected with third slide bar (29), the outside sliding connection of third slide bar (29) has water delivery board (30), water delivery board (30) rear end equidistance intercommunication has shower nozzle (31), base (1) up end is through montant fixedly connected with second driving motor (32), the output shaft of second driving motor (32) pass through crank rocker mechanism (33) with the terminal surface transmission is connected under water delivery board (30).

6. A plate preheater for efficiently utilizing waste heat according to claim 5, wherein: the water tank (34) is fixedly connected to the left portion of the upper end face of the base (1), the upper end face of the water tank (34) is communicated with a water conveying pipe (35), a water pump is arranged on the front portion of the outer surface wall of the water conveying pipe (35), and one end, far away from the water tank (34), of the water conveying pipe (35) is communicated with the left end face of the water conveying plate (30).

7. A plate preheater for efficiently utilizing waste heat according to claim 1, wherein: the inner wall of the strip-shaped groove (20) is fixedly connected with brush hair.

8. A plate preheater for efficiently utilizing waste heat according to claim 1, wherein: four corners of the lower end face of the base (1) are fixedly connected with pad feet through supporting legs, and the pad feet are in a round table shape with a narrow upper part and a wide lower part.