CN203893983U - Boiler water sealing leak detection device - Google Patents
Boiler water sealing leak detection device Download PDFInfo
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- CN203893983U CN203893983U CN201420150602.0U CN201420150602U CN203893983U CN 203893983 U CN203893983 U CN 203893983U CN 201420150602 U CN201420150602 U CN 201420150602U CN 203893983 U CN203893983 U CN 203893983U
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- chamber
- water sealing
- air chamber
- water
- front air
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Abstract
The utility model discloses a boiler water sealing leak detection device. The device comprises a water sealing box. An air inlet and an air outlet are arranged in the water sealing box. A separation plate is arranged inside the water sealing box. The water sealing box is divided into a front air chamber, a water sealing chamber and a rear air chamber by the separation plate. Flow passages are arranged between the water sealing chamber and the front air chamber, between the water sealing chamber and the rear air chamber, and inside the water sealing chamber. A water inlet, an overflow opening and a water outlet are arranged inside the water sealing chamber. A water outlet and a maintenance inlet are arranged at the bottoms of the front air chamber and the rear air chamber. The separation plate is arranged inside the water sealing box, the interior of the water sealing box is divided into the front air chamber, the water sealing chamber and the rear air chamber by the separation plate, and the flow passages are arranged between the water sealing chamber and the front air chamber, between the water sealing chamber and the rear air chamber, and inside the water sealing chamber. The device employs water sealing to replace sealing valves on original main fire valve and large fire valve pipelines, and has good sealing effects. Thus safety and reliability of starting of a boiler are raised, the device can pass a leak detection program, and operation cost is reduced.
Description
Technical field
The utility model relates to the leakage detection apparatus of boiler-burner, is specifically related to a kind of water seal leakage detection apparatus.
Background technology
Boiler-burner can be respectively according to burning gases difference: single fire coke-oven gas, single fire carbon black tail gas, coke-oven gas carbon black tail gas multifuel combustion.Large-sized boiler to open stove conditional request quite strict, for guaranteeing safety, various fuel medium pipeline valves must be by leak detection flow process, the sealing of big fire valve, main fire valve is good, can not leak, otherwise cannot open stove.After hunting leak successfully, start blower fan and carry out purging before burner hearth, purge and finish to turn down the little fiery flow process of air door adjusting valve inlet point, if light a fire, successfully enter the burner hearth temperature rise period, if loss of ignition enters post-purge, finish rear blowing-out machine, open stove failure.After opening furnace igniting success, detect fire box temperature, when fire box temperature reaches 300 ℃, the big fire valve of carbon black tail gas, main fire valve are opened air feed simultaneously, enter the full fire.Because of carbon black tail gas is can combustion value very low can not direct-fire, need coke-oven gas first to light a fire, after fire box temperature raises, can lead to tail gas, otherwise furnace flame can extinguish.
Carbon black exhaust temperature is higher is about 200 ℃, and moisture content and granule foreign are more, and on pipeline, the serviceable life of big fire valve and main fire valve valve body is shorter.For guaranteeing safety first, while forbidding to light a fire, combustible gas leakage enters burner hearth and produces blast, therefore to the leak detection operation of carbon black tail gas big fire valve, main fire valve, is important.The conventional valve seal of front sealing of existing carbon black tail gas big fire valve and main fire valve, because the fluororubber sealing surface of valve is for a long time because high temperature deformation is broken, or granule foreign jam fits badly sealing surface, causes valve seal not tight, cause valve leak detection can't pass, boiler can not be lighted a fire.
In order to solve above-mentioned deficiency of the prior art, the utility model proposes a kind of new solution.
Utility model content
The purpose of this utility model is to provide a kind of boiler water seal leakage detection apparatus.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of boiler water seal leakage detection apparatus is provided, comprises flashback tank, flashback tank is provided with air intake opening and gas outlet; The inside of described flashback tank is provided with dividing plate, and dividing plate is separated into front air chamber, water tight compartment and rear gas chamber successively by flashback tank; Between described water tight compartment and front air chamber and rear gas chamber, have circulation road, water tight compartment inside is provided with dividing plate, between this dividing plate and flashback tank bottom surface, has circulation road; Water tight compartment inside is provided with water inlet, overflow vent and freeing port, and the bottom of front air chamber and rear gas chamber is provided with freeing port.
Preferably, the top of front air chamber is provided with diffusion mouth one, and the sidewall of rear gas chamber is provided with diffusion mouth two.
Preferably, in front air chamber, rear gas chamber and water tight compartment, be provided with maintenance entrance.
Preferably, in water tight compartment, be provided with liquid level display.
Preferably, the pipeline of air intake opening and gas outlet is provided with tensimeter.
Preferably, the sectional area of all circulation roads is all greater than the total sectional area of air intake opening.
Preferably, flashback tank is provided with cat ladder.
Preferably, flashback tank skin is heat-insulation layer.
In sum, the utlity model has following advantage:
In flashback tank of the present utility model, be provided with dividing plate, air chamber, water tight compartment and rear gas chamber before flashback tank interior separation is become, between water tight compartment and front air chamber and rear gas chamber, water tight compartment inside all has circulation road, when leak detection, to in water tight compartment, be filled to overflow, now the water in water tight compartment seals circulation road, and the gas of air intake opening can not pass into gas outlet, make carbon black tail gas can not enter burner hearth, can detect by leak detection.
The utility model is used water seal to replace the sealed valve on original main fire valve and big fire valve pipeline, and not only sealing effectiveness is good, can make boiler open stove security by leak detection program, reliability is improved, and has reduced operating cost.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Wherein, 1, maintenance entrance; 2, air intake opening; 3, gas outlet; 4, dividing plate; 5, front air chamber; 6, water tight compartment; 7, rear gas chamber; 8, circulation road; 9, water inlet; 10, overflow vent; 11, diffusion mouth one; 12, diffusion mouth two; 13, circulation road.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1, the utility model provides boiler water seal leakage detection apparatus, comprises flashback tank, and flashback tank is provided with air intake opening 2 and gas outlet 3.Due to the restriction of pipeline, the conveying of general carbon black tail gas adopts twin flue, and therefore two air intake openings 2 and two gas outlets 3 are set.
The inside of flashback tank is provided with dividing plate 4, and dividing plate 4 is separated into front air chamber 5, water tight compartment 6 and rear gas chamber 7 successively by flashback tank.Between water tight compartment 6 and front air chamber 5 and rear gas chamber 7, have circulation road 8, the inside of water tight compartment 6 is provided with dividing plate 4, between this dividing plate 4 and flashback tank bottom, is circulation road 13.Water tight compartment 6 inside are provided with water inlet 9, overflow vent 10 and freeing port, the position of overflow vent 10 is lower than the circulation road 8 between water tight compartment 6 and front air chamber 5 and rear gas chamber 7, gap at vertical direction is 100mm left and right, and the freeing port in water tight compartment 6 is arranged on water tight compartment 6 bottoms.
The bottom of front air chamber 5 and rear gas chamber 7 is provided with freeing port, and in real process, the water in water tight compartment 6 is likely poured into front air chamber 5 and rear gas chamber 7, in front air chamber 5 and rear gas chamber 7, also may produce the condensate water of backflow; Therefore the water that freeing port is convenient to discharge front air chamber 5 and rear gas chamber 7 is set.
Front air chamber 5 is provided with diffusion mouth 1, and rear gas chamber 7 is provided with diffusion mouth 2 12.Before leak detection, need to get rid of the air of flashback tank inside, hyperphoric one-tenth carbon black tail gas, therefore by the valve open of air intake opening 2, allows the gas of flashback tank inside get rid of from diffusion mouth 1 and diffusion mouth 2 12.Meanwhile, in drainage procedure, diffusion mouth 1 and diffusion mouth 2 12 communicate, and make the air pressure of flashback tank inside balanced, avoid the interior surge that occurs of water tight compartment 6.
In front air chamber 5, rear gas chamber 7 and water tight compartment 6, be provided with maintenance entrance 1, in water tight compartment 6, be provided with liquid level display, be convenient to observe water level inside, the pipeline of air intake opening 2 and gas outlet 3 is provided with tensimeter.
Further, the sectional area of circulation road 8 and circulation road 13 is greater than the total sectional area of air intake opening 2, if air intake opening 2 has two draft tube, the sectional area of circulation road 8 and circulation road 13 is greater than draft tube sectional area sum.Flashback tank is provided with cat ladder, is convenient to staff and arrives flashback tank top view inner case.Because the temperature of carbon black tail gas is higher, therefore at flashback tank skin, be provided with heat-insulation layer.
Although by reference to the accompanying drawings embodiment of the present utility model is described in detail, should not be construed as the restriction to the protection domain of this patent.In the described scope of claims, the various modifications that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (8)
1. a boiler water seal leakage detection apparatus, is characterized in that: comprise flashback tank, flashback tank is provided with air intake opening and gas outlet; The inside of described flashback tank is provided with dividing plate, and dividing plate is separated into front air chamber, water tight compartment and rear gas chamber successively by flashback tank; Between described water tight compartment and front air chamber and rear gas chamber, have circulation road, water tight compartment inside is provided with dividing plate, between this dividing plate and flashback tank bottom surface, has circulation road; Water tight compartment inside is provided with water inlet, overflow vent and freeing port, and the bottom of front air chamber and rear gas chamber is provided with freeing port.
2. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: described front air chamber is provided with diffusion mouth one, and rear gas chamber is provided with diffusion mouth two.
3. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: in described front air chamber, rear gas chamber and water tight compartment, be provided with maintenance entrance.
4. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: in described water tight compartment, be provided with liquid level display.
5. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: the pipeline of described air intake opening and gas outlet is provided with tensimeter.
6. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: the sectional area of all circulation roads is all greater than the total sectional area of air intake opening.
7. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: described flashback tank is provided with cat ladder.
8. boiler water seal leakage detection apparatus as claimed in claim 1, is characterized in that: described flashback tank is outer is heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150602.0U CN203893983U (en) | 2014-03-31 | 2014-03-31 | Boiler water sealing leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150602.0U CN203893983U (en) | 2014-03-31 | 2014-03-31 | Boiler water sealing leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893983U true CN203893983U (en) | 2014-10-22 |
Family
ID=51720374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150602.0U Expired - Fee Related CN203893983U (en) | 2014-03-31 | 2014-03-31 | Boiler water sealing leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931252A (en) * | 2015-07-09 | 2015-09-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Gate structure water sealing characteristic test apparatus and method |
| CN106225995A (en) * | 2016-07-29 | 2016-12-14 | 芜湖鸣人热能设备有限公司 | The sealing property detection of hot-water boiler |
-
2014
- 2014-03-31 CN CN201420150602.0U patent/CN203893983U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931252A (en) * | 2015-07-09 | 2015-09-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Gate structure water sealing characteristic test apparatus and method |
| CN106225995A (en) * | 2016-07-29 | 2016-12-14 | 芜湖鸣人热能设备有限公司 | The sealing property detection of hot-water boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20180331 |