CN219222869U

CN219222869U - Vacuum hot water boiler

Info

Publication number: CN219222869U
Application number: CN202222840032.5U
Authority: CN
Inventors: 陈付友
Original assignee: Huali Gaoke Beijing Thermal Energy Technology Co ltd
Current assignee: Huali Gaoke Beijing Thermal Energy Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-06-20
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a vacuum hot water boiler, which belongs to the technical field of boilers and comprises a boiler body, a smoke tube assembly, a heat exchanger assembly and a burner assembly, wherein the boiler body comprises a boiler body, an inner tube and a burst tube group, the inner tube is assembled in the boiler body, the burst tube group is arranged at the top of the boiler body, the smoke tube assembly comprises a threaded smoke tube, the threaded smoke tube is arranged at one end of the inner tube and is fixedly assembled in the boiler body through a supporting plate, the heat exchanger assembly is fixedly arranged at one side of the threaded smoke tube and is positioned at the top of the threaded smoke tube, the burner assembly comprises a burner, and the burner is arranged at one side of the boiler body and is assembled and connected with the inner tube. According to the utility model, the high-efficiency heat exchange of the boiler can be realized by arranging the heat medium water in the boiler, and the explosion piece tube seat is arranged, so that the pressure relief can be automatically carried out by explosion in the continuous overpressure state, the explosion of the boiler is prevented, and the safety performance is improved.

Description

Vacuum hot water boiler

Technical Field

The utility model belongs to the technical field of boilers, and particularly relates to a vacuum hot water boiler.

Background

The vacuum hot water boiler is characterized in that a vacuum environment with negative pressure is formed in a closed furnace body, heat medium water is filled in the machine body, the heat medium water is heated by burning or other modes, steam is generated by heating the heat medium water, and the steam is used for heating water in a heat exchanger tube through condensation heat exchange, so that hot water is supplied.

At present, the vacuum boiler in China has the problems of overlarge occupied area, more troublesome daily use process and maintenance, higher maintenance cost and the like.

Disclosure of Invention

Aiming at the defects existing in the prior art, the embodiment of the utility model aims to provide a vacuum hot water boiler so as to solve the problems in the background art.

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

the vacuum hot water boiler comprises a boiler body assembly, wherein the boiler body assembly comprises a boiler body, an inner cylinder and a burst disc pipe group, the inner cylinder is assembled in the boiler body, and the burst disc pipe group is arranged at the top of the boiler body;

the smoke pipe assembly comprises a threaded smoke pipe which is arranged at one end of the inner cylinder and is fixedly assembled in the boiler body through a supporting plate;

the heat exchanger component is fixedly arranged on one side of the threaded smoke pipe and is positioned at the top of the threaded smoke pipe; and

the burner assembly comprises a burner which is arranged on one side of the boiler body and is assembled and connected with the inner cylinder.

As a further scheme of the utility model, the furnace body assembly further comprises a pressure gauge tube seat, a water supplementing tube, a gas collecting tank and a gas extraction tank seat, and the pressure gauge tube seat, the water supplementing tube, the gas collecting tank and the gas extraction tank seat are fixedly assembled at the top of the boiler body.

As a further scheme of the utility model, the smoke tube assembly further comprises a neck water level gauge tube seat which is arranged on one side of the threaded smoke tube and communicated with the threaded smoke tube and used for measuring the water level inside the threaded smoke tube.

As a further aspect of the present utility model, the burner assembly further includes a burner tube holder for communicating the burner and the inner tube.

As a further scheme of the utility model, the vacuum hot water boiler further comprises an energy economizer, a rear smoke box and a rear water cooling chamber, wherein the energy economizer, the rear smoke box and the rear water cooling chamber are fixedly arranged in the boiler body, the energy economizer is connected with the rear smoke box, the rear smoke box is communicated with the threaded smoke pipe, and the rear water cooling chamber is communicated with the inner cylinder.

In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the utility model, the high-efficiency heat exchange of the boiler can be realized by arranging the heat medium water in the boiler, and the explosion piece tube seat is arranged, so that the pressure relief can be automatically carried out by explosion in the continuous overpressure state, the explosion of the boiler is prevented, and the safety performance is improved.

Drawings

Fig. 1 is a schematic view of a vacuum hot water boiler provided in an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a vacuum hot water boiler provided in an embodiment of the present utility model.

Reference numerals: 1-furnace body assembly, 101-boiler body, 102-inner cylinder, 103-pressure gauge tube seat, 104-rupture disk tube set, 105-water supplementing pipe, 2-smoke pipe assembly, 201-threaded smoke pipe, 202-supporting plate, 203-necked water level meter tube seat, 3-heat exchanger assembly, 4-burner assembly, 401-burner, 402-burner tube seat, 5-energy economizer and 6-back smoke box.

Detailed Description

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

1-2, a vacuum hot water boiler in one embodiment of the utility model comprises a boiler body assembly 1, wherein the boiler body assembly 1 comprises a boiler body 101, an inner cylinder 102, a pressure gauge tube seat 103, a rupture disc tube set 104 and a water supplementing tube 105, the inner cylinder 102 is assembled in the boiler body 101, the rupture disc tube set 104 is arranged at the top of the boiler body 101, and the pressure gauge tube seat 103, the water supplementing tube 105, a gas collecting tank and a gas extracting tank seat 106 are fixedly assembled at the top of the boiler body 101; the smoke tube assembly 2 comprises a threaded smoke tube 201 and a necked-in water level meter tube seat 203, wherein the threaded smoke tube 201 is arranged at one end of the inner tube 102 and is fixedly assembled in the boiler body 101 through a supporting plate 202, and the necked-in water level meter tube seat 203 is arranged at one side of the threaded smoke tube 201 and is communicated with the threaded smoke tube 201 and is used for measuring the water level in the threaded smoke tube 201; the heat exchanger component 3 is fixedly arranged on one side of the threaded smoke pipe 201 and is positioned at the top of the threaded smoke pipe 201; the burner assembly 4 comprises a burner 401 and a burner tube seat 402, the burner 401 is arranged on one side of the boiler body 101 and is assembled and connected with the inner tube 102, and the burner tube seat 402 is used for communicating the burner 401 and the inner tube 102; the vacuum hot water boiler further comprises an energy economizer 5, a rear smoke box 6 and a rear water cooling chamber 7, wherein the energy economizer 5, the rear smoke box 6 and the rear water cooling chamber 7 are fixedly arranged in the boiler body 101, the energy economizer is connected with the rear smoke box 6, the rear smoke box 6 is communicated with the threaded smoke pipe 201, and the rear water cooling chamber 7 is communicated with the inner cylinder 102.

In practical application, clean softened water is injected into the boiler through the external water supplementing port, the clean softened water is added to the position +30mm in the center of the water level, valves at all positions are adjusted to enable the boiler to be in a normal pressure state, air in the boiler barrel is exhausted to enable the inside of the boiler barrel to be in a vacuum state, the combustor 401 is guaranteed to fully burn fuel, generated flue gas enters the threaded smoke pipe 201 through a flue in the boiler body 101, heat is transferred to medium heat medium water in the boiler through radiation and convection conduction, the heat medium water is heated and boiled to generate negative pressure steam, the negative pressure steam exchanges heat with the pipe wall of the heat exchanger component 3 at low temperature at the upper part, the condensed water is condensed to be transferred to working media flowing in the heat exchanger component 3, the condensed water is continuously heated and vaporized, and the cooled flue gas further absorbs waste heat through the rear smoke box 6 and the energy economizer 5, and the circulation is repeated in this way, and heat exchange of the boiler is realized. In operation, the pressure in the boiler is always lower than the atmospheric pressure, when the pressure-bearing working medium in the heat exchanger component 3 in the boiler leaks, once the pressure exceeds the external atmospheric pressure, the rupture disc tube group 104 on the boiler body 101 can be opened immediately, the danger of pressure-bearing explosion of the boiler can be effectively avoided, the boiler has the function of automatically monitoring the liquid level, the alarm is given when the liquid level is too low, and the burner is controlled to stop burning when the water is deficient.

In one case of the present embodiment, the boiler body 101 is provided with a temperature detecting instrument, and when the temperature of the hot water in the boiler reaches the set extremely high temperature, the fuel valve is automatically cut off to stop combustion. The boiler is also provided with a neck water level gauge tube seat 203, when the water level is reduced to the extremely low water level, the fuel valve is automatically cut off, the combustion is stopped, and the audible and visual alarm is given out, when the pressure in the boiler is accidentally over-pressure, firstly, the pressure switch is used for detecting, if the pressure exceeds the pressure limited by the pressure switch, the system carries out audible and visual alarm and linkage protection, if the pressure continues to rise, the burst sheet tube group 104 bursts and releases pressure, the burst pressure is designed to be 0.098MPa, the operation of the boiler without over-pressure is avoided,

in one case of this embodiment, the burner 401 adopts a reliable program controller to automatically manage the combustion process, and detects the process step by step, the qualified party can run the next process, and first starts the burner, and performs blast detection, purging possible residual fuel gas, fuel gas pressure detection, gas leakage detection, and flame monitoring in sequence, and if any link fails to pass the detection, the burner will stop immediately for alarm.

In one case of this embodiment, the burner 401 preferably adopts a fully automatic burner, and the amount of nitrogen oxides and low carbon monoxide generated by the burner combustion is small, and the burner is complete in combustion, safe and efficient, and environmental indicators all meet the national requirements, and by adopting the fully automatic burner and the monitoring system, the workload of boiler maintenance and management is greatly reduced, and the accurate control of the operation process can be realized.

In one case of the embodiment, the boiler leaves a factory after all accessories are assembled according to an integrated configuration standard, so that the boiler is more convenient and faster to install on site.

In one case of the embodiment, the furnace body is operated in a vacuum oxygen-free and scale-free environment, so that the service life of the heating furnace can be greatly prolonged.

The embodiment of the utility model provides a vacuum hot water boiler, and the boiler is provided with heat medium water, so that the high-efficiency heat exchange of the boiler can be realized, and the vacuum hot water boiler is provided with the rupture disc tube seat, so that the vacuum hot water boiler can automatically burst and release pressure when the vacuum hot water boiler is in a continuous overpressure state, the explosion of the boiler is prevented, and the safety performance is improved.

In the description of the present utility model, it should be understood that the terms "upper", "one side", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the vacuum hot water boiler or element referred to must have a specific orientation, be configured and operated in a specific orientation, and furthermore, it should be noted that unless explicitly stated and limited otherwise, the terms "disposed", "mounted", "connected" or "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, unless otherwise specifically defined, the specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art.

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, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A vacuum hot water boiler, characterized in that it comprises:

the boiler comprises a boiler body, an inner cylinder and a burst disc pipe group, wherein the inner cylinder is assembled in the boiler body, and the burst disc pipe group is arranged at the top of the boiler body;

2. The vacuum hot water boiler of claim 1, wherein the furnace body assembly further comprises a pressure gauge tube seat, a water supplementing tube, a gas collecting tank and a gas extraction tank seat, and the pressure gauge tube seat, the water supplementing tube, the gas collecting tank and the gas extraction tank seat are fixedly assembled at the top of the boiler body.

3. The vacuum hot water boiler of claim 1, wherein the tube assembly further comprises a necked-in water level gauge tube seat disposed on one side of the threaded tube and in communication with the threaded tube for measuring the water level within the threaded tube.

4. A vacuum hot water boiler as claimed in claim 1, wherein the burner assembly further comprises a burner tube holder for communicating the burner with the inner tube.

5. The vacuum hot water boiler according to claim 1, further comprising an economizer, a rear smoke box and a rear water cooling chamber, wherein the economizer, the rear smoke box and the rear water cooling chamber are fixedly arranged in the boiler body, the economizer is connected with the rear smoke box, the rear smoke box is communicated with the threaded smoke pipe, and the rear water cooling chamber is communicated with the inner cylinder.