CN205808137U - A kind of furnace exhaust delivery pipe explosion-protection equipment - Google Patents

A kind of furnace exhaust delivery pipe explosion-protection equipment Download PDF

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Publication number
CN205808137U
CN205808137U CN201620704459.4U CN201620704459U CN205808137U CN 205808137 U CN205808137 U CN 205808137U CN 201620704459 U CN201620704459 U CN 201620704459U CN 205808137 U CN205808137 U CN 205808137U
Authority
CN
China
Prior art keywords
delivery pipe
furnace exhaust
nitrogen
exhaust delivery
igniter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620704459.4U
Other languages
Chinese (zh)
Inventor
李春
邓乔枫
姜辛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Feng Feng Heat Treatment Engineering Co., Ltd.
Original Assignee
Jiangsu Fengdong Thermal Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Fengdong Thermal Technology Co Ltd filed Critical Jiangsu Fengdong Thermal Technology Co Ltd
Priority to CN201620704459.4U priority Critical patent/CN205808137U/en
Application granted granted Critical
Publication of CN205808137U publication Critical patent/CN205808137U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of furnace exhaust delivery pipe explosion-protection equipment, including the jump ring with upper and lower opening being arranged in described furnace exhaust delivery pipe and the floating check valve of the intracavity being positioned at described jump ring, it is arranged on the pyrosphere at the Waste gas outlet of described furnace exhaust delivery pipe, the igniter being arranged on the outside and close described pyrosphere of described furnace exhaust delivery pipe and the liquefied gas steam line being connected with described igniter, described air inlet is provided with air inlet between described jump ring and described Waste gas outlet, described air inlet is connected with the nitrogen inlet duct being arranged on outside described furnace exhaust delivery pipe.This utility model sets up nitrogen inlet duct on furnace exhaust delivery pipe, when igniter cannot be lighted a fire, nitrogen inlet duct is passed through nitrogen and makes the air between floating check valve and Waste gas outlet be discharged clean and full nitrogen, prevents igniter from recovering during igniting and detonation occurs.

Description

A kind of furnace exhaust delivery pipe explosion-protection equipment
Technical field
This utility model relates to waste gas treatment equipment and manufactures field, is specifically related to a kind of explosion-proof dress of furnace exhaust delivery pipe Put.
Background technology
The waste gas that FBQ series heating furnace produces is mainly composed of carbon monoxide and hydrogen, due to carbon monoxide and hydrogen Concentration can be exploded after reaching a certain amount, it is therefore necessary to takes the explosion precaution of necessity on furnace exhaust delivery pipe.
Refer to Fig. 1, it illustrates the structural representation of a kind of furnace exhaust delivery pipe explosion-protection equipment of the prior art Figure, it include the jump ring 3 with upper and lower opening being arranged in furnace exhaust delivery pipe 1 and be positioned in jump ring 3 inner chamber floating Dynamic check valve 2, is arranged on the pyrosphere 4 at the Waste gas outlet of furnace exhaust delivery pipe 1, is arranged on the igniting on pyrosphere 4 side Device 5, igniter 5 is connected with outside liquefied gas supply equipment by liquefied gas steam line 6.Igniter 5 lights fire Circle 4, pyrosphere 4 makes the carbon monoxide in waste gas and combustion of hydrogen, prevents fuel gas accumulation from causing security incident.Work as liquefied gas Steam line 6 or igniter 5 self break down when cannot light pyrosphere 4, and the imflammable gas in waste gas can not burn, for Prevent waste gas and air from being entered the furnace chamber of heating furnace by suck-back, make the floating check valve 2 downward by reducing the air pressure in furnace chamber Move and block the opening of jump ring 3 lower end and be isolated from the outside with the furnace chamber realizing heating furnace.
Although furnace exhaust delivery pipe explosion-protection equipment of the prior art have following defects that floating check valve 2 can and Time block the opening of jump ring 3 lower end and be isolated from the outside with the furnace chamber realizing heating furnace, but floating check valve 2 and Waste gas outlet Between pipeline in have air to enter, when igniter 5 recover igniting after, floating check valve 2 departs from the wink of jump ring 3 lower ending opening Between, the fuel gas in stove mixes with air and vigorous combustion, easily produces detonation.
Utility model content
For solving above-mentioned technical problem, the utility model proposes following technical scheme:
A kind of furnace exhaust delivery pipe explosion-protection equipment, including: having up and down in described furnace exhaust delivery pipe The jump ring of opening and be positioned at the floating check valve of intracavity of described jump ring;It is arranged on the waste gas of described furnace exhaust delivery pipe Pyrosphere at floss hole;It is arranged on the igniter of the outside and close described pyrosphere of described furnace exhaust delivery pipe and with described The liquefied gas steam line that igniter connects;Air inlet, described air inlet position it is equipped with on described furnace exhaust delivery pipe Between described jump ring and described Waste gas outlet, described air inlet and the nitrogen being arranged on outside described furnace exhaust delivery pipe Gas air inlet pipe connects, and the lower end of described nitrogen inlet duct is by first via nitrogen connecting tube with outside total nitrogen air feed system even Connect.
It has the technical effect that by setting up nitrogen inlet duct on furnace exhaust delivery pipe, when igniter cannot When lighting pyrosphere, nitrogen inlet duct is passed through nitrogen and the air in the pipeline between floating check valve and Waste gas outlet is arranged It is allowed to dry clean and full nitrogen.When igniter recovers igniting, and floating check valve departs from the moment of jump ring, and the fuel gas in stove is only Can contact with nitrogen, thus be effectively prevented Vigorous gas burning, produce detonation.
In a preferred embodiment, described nitrogen inlet duct is provided with the first ball valve and air relief valve.
It has the technical effect that the first ball valve can control the break-make of nitrogen inlet duct, and air relief valve can control nitrogen and enter Air pressure in trachea.
In a preferred embodiment, the lower end of described nitrogen inlet duct by the second road nitrogen connecting tube with outside standby Connect with nitrogen feedway.
It has the technical effect that, when total nitrogen air feed system breaks down, standby nitrogen feedway can carry in good time Supply for nitrogen.
In a preferred embodiment, described second road nitrogen connecting tube is provided with the second ball valve.
It has the technical effect that the break-make controlling the second road nitrogen connecting tube, when total nitrogen air feed system regular supply nitrogen During gas, the second ball valve is off.
Accompanying drawing explanation
Fig. 1 is the structural representation of furnace exhaust delivery pipe explosion-protection equipment in prior art;
Fig. 2 is the structural representation of the furnace exhaust delivery pipe explosion-protection equipment in this utility model.
Detailed description of the invention
As in figure 2 it is shown, in a specific embodiment, the furnace exhaust delivery pipe explosion-protection equipment bag in this utility model Include the jump ring 23 with upper and lower opening being arranged in described furnace exhaust delivery pipe 21 and be positioned in described jump ring 23 inner chamber Floating check valve 22, be arranged on the pyrosphere 24 at the Waste gas outlet of described furnace exhaust delivery pipe 21, be arranged on described The outside of furnace exhaust delivery pipe 21 also near the igniter 25 of described pyrosphere 24 and is connected with described igniter 25 Liquefied gas steam line 26.
When heating furnace runs well, the air pressure that the furnace chamber of heating furnace produces makes floating check valve 22 be lifted off jump ring 23 Lower ending opening, the upper and lower opening of jump ring 23 is the most unlimited, the waste gas that heating furnace the is discharged waste gas by furnace exhaust delivery pipe 21 Floss hole is discharged smoothly.Igniter 25 is lighted pyrosphere 24 and the fuel gas (hydrogen and carbon monoxide) in waste gas is burnt.
Being equipped with air inlet (not shown) on described furnace exhaust delivery pipe 21, described air inlet is positioned at described jump ring 23 And between described Waste gas outlet, described air inlet and the nitrogen inlet duct being arranged on outside described furnace exhaust delivery pipe 21 27 connect, and described nitrogen inlet duct 27 is provided with the first ball valve 27a and air relief valve 27b.The lower end of described nitrogen inlet duct 27 is even It is connected to two-way nitrogen connecting tube, respectively first via nitrogen connecting tube 28 and the second road nitrogen connecting tube 29.Wherein, first via nitrogen Gas connecting tube 28 is connected with outside equipment total nitrogen air feed system, and the second road nitrogen connecting tube 29 supplies with outside standby nitrogen Connect to device.Described second road nitrogen connecting tube 29 is provided with the second ball valve 29a.
When liquefied gas steam line 26 or igniter 25 self break down and cannot light pyrosphere 24, by reducing stove The air pressure of intracavity makes floating check valve 22 move downward and cover the opening of jump ring 23 lower end, it is achieved the furnace chamber of heating furnace is with outer Boundary is completely isolated, prevents waste gas and air suck-back from entering the furnace chamber of heating furnace.
Open the first ball valve 27a on nitrogen inlet duct 27, and regulate air relief valve 27b, outside equipment total nitrogen supply Nitrogen in device enters nitrogen inlet duct 27 by first via nitrogen connecting tube 28, and eventually through furnace exhaust delivery pipe The air inlet worn on 21 enters in exhaust pipe 21, is all arranged by the air between floating check valve 22 and Waste gas outlet Go out, now in the pipeline between floating check valve 22 and Waste gas outlet, be full of nitrogen.When igniter recovers igniting, float single Depart from the moment of the lower ending opening of jump ring to valve 22, the fuel gas discharged in furnace chamber only contacts with nitrogen, thus effectively prevents Only Vigorous gas burning, produces detonation.
When total nitrogen air feed system breaks down and causes being unable to supply nitrogen, open in the second road nitrogen connecting tube 29 Second ball valve 29a, the nitrogen in standby nitrogen feedway (not shown) enters nitrogen by the second road nitrogen connecting tube 29 and enters Trachea 27, the air between floating check valve 22 and Waste gas outlet is all discharged the most at last.The standby nitrogen supply used Device can be nitrogen cylinder or nitrogen pot.
Above this utility model has been carried out the most detailed description with certain particularity.Common in art It is to be understood by the skilled artisans that what the description in embodiment was merely exemplary, without departing from true spirit of the present utility model and Making on the premise of scope is changed all should belong to protection domain of the present utility model.This utility model is required for protection Scope is defined by described claims rather than is limited by the foregoing description in embodiment.

Claims (4)

1. a furnace exhaust delivery pipe explosion-protection equipment, including:
It is arranged on the jump ring with upper and lower opening in described furnace exhaust delivery pipe and is positioned at the intracavity of described jump ring Floating check valve;
It is arranged on the pyrosphere at the Waste gas outlet of described furnace exhaust delivery pipe;
It is arranged on the igniter of the outside and close described pyrosphere of described furnace exhaust delivery pipe and connects with described igniter The liquefied gas steam line connect;
It is characterized in that: be equipped with air inlet on described furnace exhaust delivery pipe, described air inlet is positioned at described jump ring and institute Stating between Waste gas outlet, described air inlet is connected with the nitrogen inlet duct being arranged on outside described furnace exhaust delivery pipe, The lower end of described nitrogen inlet duct is connected with outside total nitrogen air feed system by first via nitrogen connecting tube.
2. furnace exhaust delivery pipe explosion-protection equipment as claimed in claim 1, it is characterised in that: set on described nitrogen inlet duct There are the first ball valve and air relief valve.
3. furnace exhaust delivery pipe explosion-protection equipment as claimed in claim 1, it is characterised in that: under described nitrogen inlet duct Hold and be connected with outside standby nitrogen feedway by the second road nitrogen connecting tube.
4. furnace exhaust delivery pipe explosion-protection equipment as claimed in claim 3, it is characterised in that: described second road nitrogen connects Pipe is provided with the second ball valve.
CN201620704459.4U 2016-07-05 2016-07-05 A kind of furnace exhaust delivery pipe explosion-protection equipment Withdrawn - After Issue CN205808137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620704459.4U CN205808137U (en) 2016-07-05 2016-07-05 A kind of furnace exhaust delivery pipe explosion-protection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620704459.4U CN205808137U (en) 2016-07-05 2016-07-05 A kind of furnace exhaust delivery pipe explosion-protection equipment

Publications (1)

Publication Number Publication Date
CN205808137U true CN205808137U (en) 2016-12-14

Family

ID=58140564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620704459.4U Withdrawn - After Issue CN205808137U (en) 2016-07-05 2016-07-05 A kind of furnace exhaust delivery pipe explosion-protection equipment

Country Status (1)

Country Link
CN (1) CN205808137U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017115A (en) * 2016-07-05 2016-10-12 江苏丰东热技术股份有限公司 Anti-explosion device for heating furnace waste gas emission pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017115A (en) * 2016-07-05 2016-10-12 江苏丰东热技术股份有限公司 Anti-explosion device for heating furnace waste gas emission pipe
CN106017115B (en) * 2016-07-05 2018-05-08 江苏丰东热技术股份有限公司 A kind of furnace exhaust delivery pipe explosion-protection equipment

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170330

Address after: Nanxiang Road 224100 Jiangsu province Yancheng City Dafeng Economic Development Zone No. 333

Patentee after: Jiangsu Dong Feng Technology Co., Ltd.

Address before: Nanxiang Road 224199 Jiangsu province Yancheng City economic and Technological Development Zone No. 333

Patentee before: Jiangsu Fengdong Thermal Technology Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180423

Address after: 211200, Jiangsu, Nanjing province Lishui District Yong Yang Town Industrial Park

Patentee after: Nanjing Feng Feng Heat Treatment Engineering Co., Ltd.

Address before: Nanxiang Road 224100 Jiangsu province Yancheng City Dafeng Economic Development Zone No. 333

Patentee before: Jiangsu Dong Feng Technology Co., Ltd.

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20161214

Effective date of abandoning: 20180508