CN211787445U - Boiler gas leakage detection device - Google Patents
Boiler gas leakage detection device Download PDFInfo
- Publication number
- CN211787445U CN211787445U CN202020342326.3U CN202020342326U CN211787445U CN 211787445 U CN211787445 U CN 211787445U CN 202020342326 U CN202020342326 U CN 202020342326U CN 211787445 U CN211787445 U CN 211787445U
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- gas
- boiler
- connecting pipe
- gas leakage
- pipe
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Abstract
The utility model discloses a boiler gas leakage detection device, including first three-way pipe, two outputs of first three-way pipe all are connected with the detection auto-change over device that gas concentration detected, the other end fixed mounting who detects auto-change over device has the second three-way pipe, and this boiler gas leakage detection device, gas concentration through gas detector detection pipeline and boiler junction, when concentration reaches the setting value, gas detector is through carrying out the police dispatch newspaper, and transmission signal makes motor work, and one of two sealed pieces is opened and is closed to make the gas carry the change circuit, thereby can not shut down when the gas leaks, thereby avoid causing great loss.
Description
Technical Field
The utility model relates to a check out test set technical field specifically is a boiler gas leak testing device.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
The commonly used fuel of present boiler is the gas, and the gas need detect when inputing the boiler, thereby prevents to cause and leak and produce danger, and the device of current detection gas all only detects and alarm part, can only carry out timely alarm when leaking and remind, but under some circumstances the boiler stops when carrying out energy conversion and can cause great loss to the gas leakage of boiler mainly is that the sealed of pipeline and boiler junction is ageing to cause. Therefore, the boiler gas leakage detection device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can provide reserve and can automatic switch over input connection's boiler gas leak testing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler gas leakage detection device, includes first three-way pipe, two output of first three-way pipe all are connected with the detection auto-change over device that gas concentration detected, the other end fixed mounting who detects auto-change over device has the second three-way pipe.
Preferably, it includes two sets of connecting pipes to detect auto-change over device, be provided with on-off control mechanism in the connecting pipe, it is two sets of be connected with the mounting panel between the connecting pipe, be connected with gas detector on the mounting panel, detect and switch through on-off control mechanism through gas detector to the standby pipeline of convenient to use is imported, thus does not influence the normal use of boiler.
Preferably, on-off control mechanism include with connecting pipe fixed connection's installation pipe, the intraductal motor that is connected with of installation, the output of motor is connected with the lead screw, the intraductal sealed bearing that is provided with of installation just is connected with the lead screw through sealed bearing, threaded connection has sealed piece on the lead screw, the equal sliding connection in both sides of sealed piece has fixed block of fixed connection in the connecting pipe, and still is connected with the semicircle baffle in the connecting pipe, thereby drives the lead screw and makes sealed piece reciprocate by the motor to reach the mesh that opens and shuts, thereby carry out the state switching.
Preferably, a sealing groove matched with the bottom of the sealing block is formed in the connecting pipe, so that the sealing block extends into the sealing groove, and the sealing performance is better.
Preferably, the sealing block and the semicircular baffle are both connected with sealing strips, and the sealing strips are also used for improving the sealing performance, so that leakage cannot be generated.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a gas detector detects the gas concentration of pipeline and boiler junction, when concentration reached the setting value, gas detector was through carrying out the police dispatch newspaper, and transmitted signal made motor work, and two sealed pieces are opened one and are closed to make the gas carry the change circuit, thereby can not shut down when the gas leaks, thereby avoid causing great loss.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic view of a half-section of a connecting tube;
fig. 4 is an expanded view of the internal structure of the connecting tube.
In the figure: 1-a first three-way pipe; 2-detecting the switching device; 3-a second three-way pipe; 4-connecting pipe; 5-on-off control mechanism; 6, mounting a plate; 7-a gas detector; 8-installing a pipe; 9-a motor; 10-a screw rod; 11-a sealed bearing; 12-a sealing block; 13-fixing block; 14-a semicircular baffle; 15-sealing groove; 16-sealing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a boiler gas leakage detection device comprises a first three-way pipe 1, two output ends of the first three-way pipe 1 are both connected with a detection switching device 2 for detecting gas concentration, the other end of the detection switching device 2 is fixedly provided with a second three-way pipe 3, specifically, the input end of the first three-way pipe 1 is connected with a gas pipeline, the two output ends are connected with the detection switching device 2 and then connected with the second three-way pipe 3 through the detection switching device 2, the other end of the second three-way pipe 3 is connected with a boiler inlet, because the input end of the second three-way pipe 3 can be fixedly arranged, the output end of the second three-way pipe 3 can be welded with the boiler inlet, thereby avoiding leakage at the joint, and single-way valves (not shown) are arranged in the two inlets of the second three-way pipe 3 so as to prevent leakage from the joint at another gas inlet pipe when one pipeline is used for air intake, the gas concentration of the joint can be detected by the detection switching device 2, so that the alarm is given and the air inlet line is switched, the boiler can work normally temporarily, and the loss caused by temporary boiler shutdown is avoided.
Detect auto-change over device 2 includes two sets of connecting pipes 4, and the both ends of connecting pipe 4 are connected with first three-way pipe 1 and second three-way pipe 3 respectively, and adopt the erection joint with second three-way pipe 3 to can dismantle, be provided with on-off control mechanism 5 in the connecting pipe 4, the break-make of the gas input in the on-off control mechanism 5 can control connecting pipe 4 is thus reached the purpose that opens and shuts, and is two sets of be connected with mounting panel 6 between the connecting pipe 4, be connected with gas detector 7 on the mounting panel 6, still be connected with PLC chip (not shown) between gas detector 7 and the on-off control mechanism 5 to thereby gas detector 7 transmits the model to PLC chip control on-off control mechanism 5.
The on-off control mechanism 5 comprises an installation tube 8 fixedly connected with the connecting tube 4, a motor 9 is connected in the installation tube 8, the motor 9 is electrically connected with a PLC chip so as to control the motor 9 to work, the output end of the motor 9 is connected with a screw rod 10, a sealing bearing 11 is arranged in the installation tube 8 and is connected with the screw rod 10 through the sealing bearing 11, a sealing block 12 is connected to the screw rod 10 in a threaded manner, the thread directions of the two screw rods 10 can be set to be opposite, so that when the motor 9 inputs the same signal, the rotation of the screw rod 10 can enable the actions of the two sealing blocks 12 to be opposite, so that one of the two sealing blocks is closed and the other is opened, the two sides of the sealing block 12 are respectively connected with a fixed block 13 fixedly connected in the connecting tube 4 in a sliding manner, and a semicircular baffle 14 is also connected in the connecting tube 4, so that the, rise then can open and make the gas pass through, and descend then can cooperate semicircle baffle 14 to form inclosed to make the gas unable to pass through, set up in the connecting pipe 4 with the seal groove 15 of seal block 12 bottom adaptation, seal groove 15 can make seal block 12 go deep into in the pipeline wall, thereby make the leakproofness better, all be connected with sealing strip 16 on seal block 12 and the semicircle baffle 14, sealing strip 16 is in order to improve the leakproofness equally, prevents to reveal.
In the scheme, the model of the gas detector is preferably GDS-LEL-1, the gas detector is provided with an alarm, the alarm normally-open contact action output is provided, and the signal can be conveniently introduced into DCS and PLC systems.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a boiler gas leakage detection device, includes first three-way pipe (1), its characterized in that: two output ends of the first three-way pipe (1) are connected with a detection switching device (2) for detecting the concentration of the fuel gas, and the other end of the detection switching device (2) is fixedly provided with a second three-way pipe (3).
2. The boiler gas leakage detecting device according to claim 1, wherein: detect auto-change over device (2) and include two sets of connecting pipe (4), be provided with on-off control mechanism (5) in connecting pipe (4), it is two sets of be connected with mounting panel (6) between connecting pipe (4), be connected with gas detector (7) on mounting panel (6).
3. The boiler gas leakage detecting device according to claim 2, wherein: on-off control mechanism (5) include with connecting pipe (4) fixed connection's installation pipe (8), installation pipe (8) in-connection has motor (9), the output of motor (9) is connected with lead screw (10), be provided with sealed bearing (11) in installation pipe (8) and be connected with lead screw (10) through sealed bearing (11), threaded connection has sealed piece (12) on lead screw (10), the equal sliding connection in both sides of sealed piece (12) has fixed block (13) of fixed connection in connecting pipe (4), and still is connected with semicircle baffle (14) in connecting pipe (4).
4. A boiler gas leakage detecting device according to claim 3, characterized in that: and a sealing groove (15) matched with the bottom of the sealing block (12) is formed in the connecting pipe (4).
5. A boiler gas leakage detecting device according to claim 3, characterized in that: and the sealing block (12) and the semicircular baffle (14) are both connected with a sealing strip (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342326.3U CN211787445U (en) | 2020-03-18 | 2020-03-18 | Boiler gas leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342326.3U CN211787445U (en) | 2020-03-18 | 2020-03-18 | Boiler gas leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211787445U true CN211787445U (en) | 2020-10-27 |
Family
ID=72929323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020342326.3U Expired - Fee Related CN211787445U (en) | 2020-03-18 | 2020-03-18 | Boiler gas leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211787445U (en) |
-
2020
- 2020-03-18 CN CN202020342326.3U patent/CN211787445U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20210318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |