CN213395365U

CN213395365U - Blowing type double-layer tower methane torch

Info

Publication number: CN213395365U
Application number: CN202022346962.6U
Authority: CN
Inventors: 周沛; 耿荐; 张�荣; 李慷
Original assignee: Nanjing Decang Ecological Technology Co ltd
Current assignee: Nanjing Decang Ecological Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-08
Anticipated expiration: 2030-10-20

Abstract

The utility model belongs to the technical field of marsh gas torch, double-deck tower body marsh gas torch of blast formula. The specific technical scheme is as follows: the torch tower body adopts a double-layer structure, flame and hot flue gas are isolated by the inner-layer tower body, and the flame is prevented from directly firing the outer-layer tower body. The cold air is forced into the tower body by the blower, and the air is divided into combustion-supporting air and methane by the distributor to be intensively mixed and combusted, and the cooling air cools the inner-layer tower body and the outer-layer tower body. The ignition device and the flame detector of the torch are both arranged at the bottom of the torch, so that the torch is convenient to overhaul and maintain, and the risk of high-altitude operation is avoided.

Description

Blowing type double-layer tower methane torch

Technical Field

The utility model belongs to the technical field of marsh gas torch, a do not do marsh gas torch of fire-resistant heat preservation is related to, the marsh gas that is applicable to anaerobic fermentation diffuses the burning, specifically is a double-deck tower body marsh gas torch of blast type.

Background

Anaerobic fermentation process links are mostly arranged at stations such as kitchen waste treatment stations, waste incineration power plants, farms, wastewater treatment plants and the like, and methane is produced as a byproduct, and the main component of the methane is 50% -70%.

The large scale of methane production is recycled, the torch is used as a spare device, and the small scale of methane production is burned directly by the torch.

In some projects, a torch with a small caliber is selected due to the consideration of construction cost, and the small-caliber torch cannot bear the burning of flame because the tower body cannot be subjected to fire resistance and heat preservation.

A burner, an ignition gun and a flame detection device are arranged at the top of a torch tower body of a common small-caliber torch, so that the problem of overtemperature softening and deformation of a torch cylinder main body is avoided, but great difficulty is brought to overhaul and maintenance, and high-altitude operation risks are great through a simple vertical ladder attached to the torch tower body.

SUMMERY OF THE UTILITY MODEL

For solving the dangerous problem of marsh gas torch maintenance difficulty and high altitude construction that prior art exists, the utility model provides a can arrange combustor, burning torch, flame detection device in the small-bore towering torch of nearly department, this torch compact structure, it is multiple functional and construction cost is lower.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a double-deck tower body marsh gas torch of blast formula, includes the torch tower body, and sets up the combustor of torch tower body bottom, the torch tower body includes inner tube and urceolus, still includes:

a blower whose outlet splits the air into two portions, a first air portion and a second air portion, by means of an air distributor, wherein,

the first air part is used for strongly mixing and burning combustion-supporting air and methane;

the second part of air is used for cooling the compartment between the inner cylinder and the outer cylinder by cooling air.

The inner cylinder and the outer cylinder are fixedly connected through a connecting plate, the outer cylinder is of a multi-section structure, and all sections are in butt joint through flanges;

the bottom end of the inner barrel is connected with the air distributor.

And a guide plate is arranged behind the air adjusting door connected with the air blower.

The air distributor is a cone-shaped air distributor connected to the bottom end of the inner barrel.

And a cyclone sheet is arranged between the air distributor and the outer barrel.

The combustor is provided with a drain valve, an ignition gun, a flame stabilizer and a flame detection device, and the air inlet valve set of the torch comprises a flame arrester, an electric butterfly valve, a manual butterfly valve and a pressure transmitter.

An ignition hole is reserved in the waist of the flame stabilizer.

The opening range of the air adjusting door is limited to 15% -100% through a mechanical structure.

And a low-voltage switch is arranged behind the air adjusting door and is used for monitoring the air supply pressure of the torch in operation.

The height of the inner cylinder is lower than or equal to that of the outer cylinder and higher than that of the torch windproof pull lug.

Has the advantages that:

first, the utility model relates to a blast type double-deck tower body marsh gas torch, the torch tower body adopts bilayer structure, keeps apart flame and hot flue gas through inlayer barrel, avoids high temperature flue gas and flame to directly touch outer barrel and lead to the structure inefficacy.

And secondly, the bottom of the inner cylinder is connected with an air distributor, and the cold air sent into the flare tower by the blower is proportionally distributed according to the oxygen demand of the combustor and the required amount of cooling air, so that sufficient combustion oxygen supply is ensured, and the inner and outer cylinder walls are prevented from being over-heated.

Third, the cyclone pieces are arranged between the air distributor and the outer cylinder, and can swirl the cold air entering between the inner cylinder and the outer cylinder to make the cold air rise spirally, so that the inner cylinder and the outer cylinder are cooled fully and uniformly, and local over-temperature of the cylinder wall caused by uneven air flow is prevented.

And fourthly, a flame stabilizer is arranged on the burner to prevent the flame from being blown out by high-speed airflow, and meanwhile, the mixing of air and methane is accelerated to keep the methane combustion stable, and a flame detection device is arranged at the upper part of the flame stabilizer to detect the running state of the torch in real time.

Drawings

FIG. 1 is a schematic view of the torch structure of the present invention

In fig. 1: the device comprises a water discharge valve 1, a guide plate 2, a combustor 3, a cyclone sheet 4, an air distributor 5, an ignition gun 6, a flame stabilizer 7, a flame detection device 8, an inner cylinder 9, a connecting plate 10, a flange 11, an outer cylinder 12, a windproof pull lug 13, a hood 14, a top plate 15, an air adjusting door 16, an air blower 17, a low-voltage switch 18, a flame arrester 19, an electric butterfly valve 20, a butterfly valve 21 and a pressure transmitter 22.

FIG. 2 is a schematic view of a flame holder.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

As shown in figure 1, an air adjusting door 16 is arranged at the outlet of a blower 17 of the blowing type double-layer tower methane torch, and the opening degree of the air adjusting door is limited between 15% and 100% in order to avoid the air adjusting door 16 from being completely closed due to misoperation.

A low-voltage switch 18 is arranged behind the air adjusting door 16, the air supply pressure is detected in real time, an alarm signal is fed back to the control system in time to cut off the supply of the biogas under the condition that the normal air supply is influenced by motor failure or impeller damage and the like of the air blower 17, and explosion or burning loss caused by the fact that the torch tower body cannot be cooled effectively is prevented.

The utility model discloses an air distributor 5 is for awl tube-shape, and its bore is the same with inner tube 9 diameter, and the air-fuel ratio that the lower bore was selected by the torch, the rated load of combustor, cooling air demand, the selected rated flow of air-blower, urceolus diameter isoparametric confirm jointly, can guarantee the balance of burning oxygen suppliment and cooling air suppliment.

Because the inertia that gas has, the air between the leading-in inner tube 9 of guide plate 2 and the intermediate layer of urceolus 12 can distribute unevenly at the initial stage, consequently the utility model discloses set up whirlwind piece 4 between distributor 5 and urceolus 12, whirlwind piece 4 can be with the rapid whirl of cold air, makes the faster equilibrium of cold air be full of the interior urceolus intermediate layer, can effectively avoid the local overtemperature of section of thick bamboo wall that leads to at the air current inequality of initial cooling stage.

The height of the inner cylinder 9 can be properly lower than or equal to that of the outer cylinder 12 and higher than that of the torch windproof pull lug 13, so that the stressed part of the torch outer cylinder 12 is not over-heated.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and for those skilled in the art, many modifications may be made without departing from the spirit and the principle of the present invention, and these modifications should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a double-deck tower body marsh gas torch of blast formula, includes the torch tower body, and sets up the combustor of torch tower body bottom, its characterized in that, the torch tower body includes inner tube and urceolus, still includes:

2. A blowing-type double-layer tower body biogas torch as claimed in claim 1, wherein the inner cylinder and the outer cylinder are connected and fixed by a connecting plate, the outer cylinder is of a multi-section structure, and the sections are butted by flanges;

the bottom end of the inner barrel is connected with the air distributor.

3. A blowing-type double-layer tower biogas torch as claimed in claim 1, wherein a guide plate is arranged behind an air adjusting door connected with the blower.

4. A forced draft double tower biogas torch as claimed in claim 2, wherein the air distributor is a cone-shaped air distributor connected to the bottom end of the inner barrel.

5. A forced draft type double-layer tower biogas torch as claimed in claim 1, wherein a cyclone sheet is installed between the air distributor and the outer cylinder.

6. A blowing-type double-layer tower biogas torch as claimed in claim 1, wherein the burner is equipped with a drain valve, an ignition gun, a flame stabilizer and a flame detection device, and the gas inlet valve set of the torch comprises a flame arrester, an electric butterfly valve, a manual butterfly valve and a pressure transmitter.

7. The forced draft double-layer tower biogas torch according to claim 6, wherein the flame holder is provided with a lighting hole at the waist.

8. A forced draft double-layer tower biogas torch as claimed in claim 3, wherein the opening range of the damper is limited to 15-100% by mechanical structure.

9. A forced draft type double-layer tower body biogas torch as claimed in claim 3, wherein a low pressure switch is arranged behind the damper, and the low pressure switch is used for monitoring the supply air pressure of the torch in operation.

10. A blast type double-layer tower biogas torch as claimed in claim 1, wherein the height of the inner barrel is lower than or equal to the height of the outer barrel and higher than the height of the wind-proof lug of the torch.