CN218209544U

CN218209544U - Multi-gear heater

Info

Publication number: CN218209544U
Application number: CN202222606300.7U
Authority: CN
Inventors: 吕鸣; 黄建清; 郭锋; 吴文伟; 巩科教
Original assignee: Suzhou Agricultural Chemicals Machinery Co ltd
Current assignee: Suzhou Agricultural Chemicals Machinery Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-03
Anticipated expiration: 2032-09-30

Abstract

The application provides a many gears heater, including the stove bucket, be provided with some firearm subassembly and heat transfer spiral pipe in the stove bucket, the one end of heat transfer spiral pipe is the water inlet, and the other end is the delivery port, some firearm subassembly includes first fuel sprayer, second fuel sprayer and ignition electrode, first fuel sprayer is by first fuel sprayer solenoid valve control switching, the second fuel sprayer is by second fuel sprayer solenoid valve control switching, delivery port and water inlet department all are provided with temperature sensor, first fuel sprayer solenoid valve, second fuel sprayer solenoid valve and temperature sensor all with PID controller signal connection. This many gears heater can ensure the relative invariant of leaving water temperature through the PID controller through setting up two fuel sprayer to set up temperature sensor at the inlet outlet, and two fuel sprayer can be according to the temperature of intaking of difference and the temperature of leaving water of difference, select the most suitable gear, thereby improved heating efficiency.

Description

Multi-gear heater

Technical Field

The utility model relates to a heater technique especially relates to a many gears heater.

Background

The existing heater usually comprises an oil nozzle, a burner, a heat exchange coil and other structures, oil mist sprayed by the oil nozzle is combusted to form hot flue gas, and the hot flue gas is subjected to heat exchange with water to be heated in a furnace barrel to realize heating. However, the existing heater is usually provided with only one oil nozzle, the heating mode is single, and when the difference between the inlet water temperature and the set outlet water temperature is large, stable combustion is difficult to maintain, and carbon deposition is easy to generate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many gears heater through setting up two fuel sprayer, can form many grades of heating power, adapts to different water inlet temperature and the temperature of going out.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

According to the utility model discloses an aspect provides a many gears heater, including the stove bucket, be provided with some firearm subassembly and heat transfer spiral pipe in the stove bucket, the one end of heat transfer spiral pipe is the water inlet, and the other end is the delivery port, some firearm subassembly includes first fuel sprayer, second fuel sprayer and ignition electrode, delivery port and water inlet department all are provided with temperature sensor, and first fuel sprayer is by first fuel sprayer solenoid valve control switching, and second fuel sprayer is by second fuel sprayer solenoid valve control switching, first fuel sprayer solenoid valve, second fuel sprayer solenoid valve and temperature sensor all with PID controller signal connection.

In one embodiment, the first oil jet has a larger bore than the second oil jet.

In one embodiment, the first fuel injector includes an intermittent injection mode and a straight injection mode, and the second fuel injector includes a non-injection mode, an intermittent injection mode, and a straight injection mode.

In one embodiment, the igniter assembly includes an ignition seat, the first and second fuel injectors and an ignition electrode are disposed on the ignition seat, and the ignition electrode includes a joint core and an electrode rod.

In one embodiment, the electrode rod extends laterally below the first and second fuel injectors.

In one embodiment, a burner is disposed below the igniter assembly, the burner including a combustion chamber and a cyclone structure.

In one embodiment, the burner further comprises a flame cone connected to the lower end of the burner.

In one embodiment, the flame cone is cylindrical.

In one embodiment, the side surface of the furnace barrel is provided with an air inlet, and the top of the furnace barrel is provided with a chimney.

In one embodiment, the bottom of the furnace barrel is paved with refractory bricks.

The embodiment of the utility model provides a beneficial effect is: through setting up two fuel sprayer to set up temperature sensor at the inlet outlet, can ensure leaving water temperature's constancy relatively through the PID controller, and two fuel sprayer can be according to different inlet water temperature, different leaving water temperature, select the most suitable gear, thereby improved heating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

The above features and advantages of the present invention will be better understood upon reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar associated characteristics or features may have the same or similar reference numerals.

FIG. 1 is a schematic diagram of the internal structure of the multi-stage heater according to an embodiment;

FIG. 2 is a schematic diagram of the construction of an igniter assembly according to one embodiment;

wherein: 1-furnace barrel; 11-an air inlet; 12-a chimney; 2-an igniter assembly; 21-a first fuel injector; 22-a second injector; 23-an ignition electrode; 231-a joint core; 232-electrode rod; 24-an ignition seat; 3-heat exchange spiral pipe; 31-a water inlet; 32-a water outlet; 41-a first temperature sensor; 42-a second temperature sensor; 5-a burner; 51-a combustion chamber; 52-a cyclone structure; 6-flame cone barrel; 7-refractory bricks.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be understood as imposing any limitation on the scope of the present invention.

As shown in fig. 1, this embodiment provides a multi-gear heater, including furnace barrel 1, be provided with some firearm assembly 2 and heat transfer spiral pipe 3 in the furnace barrel 1, the one end of heat transfer spiral pipe 3 is water inlet 31, the other end is delivery port 32, some firearm assembly 2 includes first fuel sprayer 21, second fuel sprayer 22 and ignition electrode 23, first fuel sprayer 21 is controlled the switching by first fuel sprayer solenoid valve, second fuel sprayer 22 is controlled the switching by second fuel sprayer solenoid valve, delivery port 31 department is provided with first temperature sensor 41, water inlet 32 department is provided with second temperature sensor 42, first fuel sprayer solenoid valve, second fuel sprayer solenoid valve, first temperature sensor 41 and second temperature sensor 42 all with PID controller (not shown in the figure) signal connection.

Preferably, the first oil jet 21 has a larger caliber than the second oil jet 22, mainly a large oil jet and secondarily a small oil jet, the two oil jets are matched with each other, and the first oil jet 21 includes an intermittent oil jet mode and a constant oil jet mode, and the second oil jet 22 includes a non-oil jet mode, an intermittent oil jet mode and a constant oil jet mode, so that a multi-gear thermal power can be formed. For example, operating condition one: the first oil nozzle 21 injects oil intermittently, and the second oil nozzle 22 does not inject oil; working conditions are as follows: the first oil nozzle 21 always injects oil, and the second oil nozzle 22 does not inject oil; and a third working condition: the first oil nozzle 21 always injects oil, and the second oil nozzle 22 intermittently injects oil; working conditions are as follows: the first oil jet 21 injects oil at all times and the second oil jet 22 injects oil at all times.

In the aspect of control, the PID controller can control under the working condition of a single oil nozzle to realize the relative constancy of the water outlet temperature, and can select the most appropriate working condition according to different water inlet temperatures and water outlet temperatures under the working condition of double oil nozzles to perform PID control. Note that the PID control software related to the present application is conventional software, and is not expanded in the present application.

As shown in fig. 2, the igniter assembly 2 includes an ignition socket 24, the first and

second oil jets

21 and 22 are disposed on the ignition socket 24, and the ignition electrodes 23 are also disposed on the ignition socket 24, each of the ignition electrodes 23 including a nipple core 231 and an electrode rod 232. The electrode rod 232 extends below the sides of the first oil jet 21 and the second oil jet 22.

Preferably, in order to improve the combustion efficiency, a burner 5 is provided under the igniter assembly 2, and the burner 5 includes a combustion chamber 51 and a cyclone structure 52 to form a combustion flame into a cyclone shape. Because the caliber of the second oil nozzle 22 is small, in order to ensure stable combustion and flame not to be extinguished, the lower end of the combustor 5 is also connected with a flame cone 6, and the flame cone 6 is cylindrical.

In order to supply oxygen for combustion, air inlets 11 are provided at the side of the furnace vessel 1, and a chimney 12 is correspondingly provided at the top of the furnace vessel 1. In addition, the bottom of the furnace barrel 1 is also paved with refractory bricks 7. These structures are the same as those of the conventional heater, and thus, are not described in detail.

In conclusion, the multi-gear heater provided by the embodiment can ensure the relative constancy of the water outlet temperature through the PID controller by arranging the double oil nozzles and arranging the temperature sensors at the water inlet and the water outlet, and the double oil nozzles can select the most appropriate gear according to different water inlet temperatures and different water outlet temperatures, so that the heating efficiency is improved.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. The utility model provides a many gears heater, includes the stove bucket, be provided with some firearm components and heat transfer spiral pipe in the stove bucket, the one end of heat transfer spiral pipe is the water inlet, and the other end is the delivery port, its characterized in that: the igniter assembly comprises a first oil nozzle, a second oil nozzle and an ignition electrode, the first oil nozzle is controlled to be opened and closed by a first oil nozzle electromagnetic valve, the second oil nozzle is controlled to be opened and closed by a second oil nozzle electromagnetic valve, temperature sensors are arranged at a water outlet and a water inlet, and the first oil nozzle electromagnetic valve, the second oil nozzle electromagnetic valve and the temperature sensors are all in signal connection with a PID controller.

2. The multiple-stage heater according to claim 1, wherein: the caliber of the first oil nozzle is larger than that of the second oil nozzle.

3. The multiple-stage heater according to claim 2, wherein: the first oil injection nozzle comprises an intermittent oil injection mode and a straight oil injection mode, and the second oil injection nozzle comprises a non-oil injection mode, an intermittent oil injection mode and a straight oil injection mode.

4. The multiple-stage heater according to claim 1, wherein: the igniter assembly comprises an ignition seat, the first oil nozzle, the second oil nozzle and the ignition electrode are arranged on the ignition seat, and the ignition electrode comprises a joint core and an electrode rod.

5. The multiple-stage heater according to claim 4, wherein: the electrode rod extends to the side lower part of the first oil nozzle and the second oil nozzle.

6. The multi stage heater according to claim 1, wherein: a combustor is arranged below the igniter assembly and comprises a combustion cavity and a cyclone structure.

7. The multiple-stage heater according to claim 6, wherein: still include flame awl bucket, flame awl bucket connect in the combustor lower extreme.

8. The multiple-stage heater according to claim 7, wherein: the flame cone barrel is cylindrical.

9. The multiple-stage heater according to claim 1, wherein: the side of the furnace barrel is provided with an air inlet, and the top of the furnace barrel is provided with a chimney.

10. The multiple-stage heater according to claim 1, wherein: and refractory bricks are laid at the bottom of the furnace barrel.