CN218626931U

CN218626931U - Multifunctional preheater

Info

Publication number: CN218626931U
Application number: CN202222823133.1U
Authority: CN
Inventors: 米奇; 刘俊; 华玉苍; 李祥兵
Original assignee: Shandong Desen Biotechnology Co ltd
Current assignee: Shandong Desen Biotechnology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-14
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a multifunctional preheater, including hot junction connecting plate and cold junction connecting plate, the left and right sides difference bolted connection between hot junction connecting plate and the cold junction connecting plate has a shell plate, two the shell plate between the bearing be connected with the preheater rotor, and two shell plate bolted connection set up, the upper portion of two vents of hot junction connecting plate bolted connection has last connecting pipe respectively. The utility model discloses push-pull valve, pneumatic cylinder, installation pipe, the connecting rod keeps off the stopper, and the setting of mounting panel and infrared temperature sensor is favorable to detecting the inside temperature of pre-heater behind the blowing out to whether catch fire to the pre-heater is inside to be monitored.

Description

Multifunctional preheater

Technical Field

The utility model belongs to the technical field of the air preheats, especially, relate to a multifunctional preheater.

Background

The preheater is a heating surface which preheats air before entering the boiler to a certain temperature by using flue gas in a flue at the tail part of the boiler through internal radiating fins. The heat exchange performance of the boiler is improved, and the energy consumption is reduced. A suspension type air preheater with application number CN202021114867.7 comprises: the air preheater reduces the running power consumption of the fan, saves the cost, is not provided with an ignition detection structure, and combustibles such as unburnt fuel oil or pulverized coal deposited on the heat storage element of the air preheater are heated by high-temperature smoke to generate slow exothermic reaction, and the combustion phenomenon can occur after the ignition point is reached, and the ignition is most probably within a few hours after the furnace is stopped.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a multifunctional preheater can detect the inside temperature of preheater after blowing out to whether catch fire to the preheater is inside monitors.

Wherein the utility model discloses a can realize through following technical scheme:

a multifunctional preheater comprises a hot end connecting plate and a cold end connecting plate, wherein the left side and the right side between the hot end connecting plate and the cold end connecting plate are respectively in bolted connection with a shell plate, a preheater rotor is connected between the two shell plates through a bearing, the two shell plates are in bolted connection, the upper parts of two ventilation openings of the hot end connecting plate are respectively in bolted connection with an upper connecting pipe, the lower parts of the two ventilation openings of the cold end connecting plate are respectively in bolted connection with a lower connecting pipe, the outer sides of the middle parts of the hot end connecting plate and the cold end connecting plate are in bolted connection with an overhauling frame, the middle part of the upper side of the overhauling frame is provided with a transmission motor, and the output shaft of the transmission motor is in bolted connection with the preheater rotor; the hydraulic pressure detection pipe structure that catches fire include push-pull valve and pneumatic cylinder, push-pull valve and pneumatic cylinder between install the detection pipe structure that catches fire.

Preferably, the structure of the ignition detection pipe comprises an installation pipe, a connecting rod is transversely arranged in the installation pipe, a blocking plug is integrally arranged outside the connecting rod, the blocking plug is arranged in the installation pipe in a sealing and sliding mode, a mounting plate is connected to the left end of the connecting rod through a bolt, and an infrared temperature measurement sensor is arranged in the mounting plate.

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

1. the utility model discloses in, push-pull valve, pneumatic cylinder, the installation pipe, the connecting rod keeps off the stopper, the setting of mounting panel and infrared temperature sensor is favorable to detecting the inside temperature of pre-heater behind the blowing out to whether catch fire to the pre-heater is inside to be monitored.

2. The utility model discloses in, hot junction connecting plate, the cold junction connecting plate, the shell plate goes up the connecting pipe, the lower connecting pipe overhauls the frame, the setting of drive machine and pre-heater rotor is favorable to utilizing the flue gas in the boiler afterbody flue to preheat the air before getting into the boiler.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the outer skin of the present invention.

Fig. 3 is a schematic structural view of the ignition hydraulic pressure detecting tube structure of the present invention.

Fig. 4 is a schematic view of the internal structure of the ignition detection pipe structure of the present invention.

In the figure:

1. a hot end connecting plate; 2. a cold end connecting plate; 3. an outer shell plate; 4. an upper connecting pipe; 5. a lower connecting pipe; 6. a maintenance frame; 7. a drive motor; 8. a preheater rotor; 9. an ignition hydraulic pressure detection pipe structure; 91. a gate valve; 92. a hydraulic cylinder; 93. an ignition detection tube structure; 931. installing a pipe; 932. a connecting rod; 933. blocking the plug; 934. mounting a plate; 935. an infrared temperature measuring sensor.

Detailed Description

It is right to combine the figure below to describe the utility model specifically, as shown in figure 1 and figure 2, a multi-functional preheater, including hot junction connecting plate 1 and cold junction connecting plate 2, there are outer skin 3, two left and right sides difference bolted connection between hot junction connecting plate 1 and the cold junction connecting plate 2 outer skin 3 between the bearing be connected with preheater rotor 8, and two 3 bolted connection of outer skin set up, bolted connection has last connecting pipe 4 respectively on the upper portion of two vents of hot junction connecting plate 1, and bolted connection has lower connecting pipe 5 respectively in the lower part of two vents of cold junction connecting plate 2, and bolted connection has the maintenance frame 6 in the middle part outside of hot junction connecting plate 1 and cold junction connecting plate 2, overhauls the upside mid-mounting of frame 6 and has drive motor 7, and drive motor 7's output shaft and preheater rotor 8 bolted connection set up.

The multifunctional preheater further comprises a hydraulic ignition detection pipe structure 9, and the hydraulic ignition detection pipe structure 9 is installed on the right side of the upper connecting pipe 4 on the right side.

In this embodiment, referring to fig. 3, the ignition hydraulic pressure detecting pipe structure 9 includes a gate valve 91 and a hydraulic cylinder 92, an ignition detecting pipe structure 93 is installed between the gate valve 91 and the hydraulic cylinder 92, the gate valve 91 can act to close the upper connecting pipe 4 when the boiler is running, and prevent the air that is not used by the upper connecting pipe 4 from entering the ignition detecting pipe structure 93.

In this embodiment, combine fig. 4 to show, the detection tube structure 93 that catches fire include installation pipe 931, the inside of installation pipe 931 transversely be provided with connecting rod 932, the outside integration of connecting rod 932 is provided with and keeps off stopper 933, keep off stopper 933 and seal the slip setting in the inside of installation pipe 931, keep off stopper 933 and play the effect to the spacing effect of connecting rod 932 and sealed installation pipe 931, the left end bolted connection of connecting rod 932 has mounting panel 934, the internally mounted of mounting panel 934 has infrared temperature sensor 935, infrared temperature sensor 935 can detect the inside temperature of preheater after blowing out.

In this embodiment, specifically, the mounting pipe 931 is flanged between the gate valve 91 and the hydraulic cylinder 92.

In this embodiment, specifically, the inside blind hole that is used for connecting the output lever of pneumatic cylinder 92 that offers of the right-hand member of connecting rod 932, the output lever of pneumatic cylinder 92 has the left end bolted connection setting of connecting rod 932.

In this embodiment, specifically, the gate valve 91 is bolted on the right side and the right side of the upper connecting pipe 4 is provided with a through hole facing the gate valve 91 on the right side of the upper connecting pipe 4.

In this embodiment, specifically, the hydraulic cylinder 92 is an HSG series hydraulic cylinder; the installation pipe 931 is a stainless steel pipe; the connecting rod 932 adopts a stainless steel rod; the stopper 933 is made of rubber.

Principle of operation

The utility model discloses in, the flue gas passes from preheater rotor 8 through hot junction connecting plate 1 and cold junction connecting plate 2 with the air of treating preheating and carries out the heat transfer, transmission motor 7 plays and drives preheater rotor 8 pivoted effect, be connected outside hydraulic power unit and PLC electrical equipment with pneumatic cylinder 92, infrared temperature sensor 935 is connected with outside PLC electrical equipment, after stopping the stove, the user opens push-pull valve 91, pneumatic cylinder 92's output pole will promote left with connecting rod 932, make mounting panel 934 and infrared temperature sensor 935 pass in connecting pipe 4 on push-pull valve 91 gets into the right side, be connected infrared temperature sensor 935 and outside PLC controlgear, infrared temperature sensor 935 can detect the inside temperature of preheater after stopping the stove, thereby whether catch fire to preheater rotor 8 and monitor, when the in-service use, hydraulic pressure detection tube structure 9 is all installed through the outside of connecting pipe 4 and lower connecting pipe 5 will catch fire, can make the detection more comprehensive.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a multifunctional preheater, includes hot junction connecting plate (1) and cold junction connecting plate (2), and the left and right sides difference bolted connection between hot junction connecting plate (1) and the cold junction connecting plate (2) has shell plate (3), two shell plate (3) between the bearing be connected with preheater rotor (8), and two shell plate (3) bolted connection set up, the upper portion of two vents of hot junction connecting plate (1) bolted connection respectively has last connecting pipe (4), the lower part of two vents of cold junction connecting plate (2) bolted connection respectively has lower connecting pipe (5), the middle part outside bolted connection of hot junction connecting plate (1) and cold junction connecting plate (2) has maintenance frame (6), the upside mid-mounting of maintenance frame (6) has drive motor (7), the output shaft and preheater rotor (8) bolted connection of drive motor (7) set up, its characterized in that, the right side of last connecting pipe (4) install hydraulic pressure detection pipe structure (9) that catches fire.

2. A multi-function preheater as claimed in claim 1, wherein said fire hydraulic pressure detecting pipe structure (9) comprises a gate valve (91) and a hydraulic cylinder (92), and a fire detecting pipe structure (93) is installed between said gate valve (91) and said hydraulic cylinder (92).

3. The multifunctional preheater as claimed in claim 2, wherein the gate valve (91) is bolted to the right side of the upper connecting pipe (4) on the right side, and a through hole facing the gate valve (91) is provided on the right side of the upper connecting pipe (4).

4. A multifunctional preheater as claimed in claim 2, wherein said fire detection tube structure (93) comprises a mounting tube (931), a connecting rod (932) is transversely disposed inside said mounting tube (931), a stopper (933) is integrally disposed outside said connecting rod (932), said stopper (933) is slidably disposed inside said mounting tube (931) in a sealing manner, a mounting plate (934) is bolted to the left end of said connecting rod (932), and an infrared temperature sensor (935) is disposed inside said mounting plate (934).

5. A multi-function preheater as claimed in claim 4, wherein said mounting tube (931) is flanged between the gate valve (91) and the hydraulic cylinder (92).