CN203162241U - Fuel gas low-pressure safety water seal - Google Patents
Fuel gas low-pressure safety water seal Download PDFInfo
- Publication number
- CN203162241U CN203162241U CN 201320093598 CN201320093598U CN203162241U CN 203162241 U CN203162241 U CN 203162241U CN 201320093598 CN201320093598 CN 201320093598 CN 201320093598 U CN201320093598 U CN 201320093598U CN 203162241 U CN203162241 U CN 203162241U
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- water
- water seal
- fuel gas
- cylindrical shell
- tube body
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- Expired - Fee Related
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Abstract
A fuel gas low-pressure safety water seal comprises a water seal inner tube formed by a tube body and an upper cover, a fuel gas inlet pipe and a fuel gas discharging pipe are arranged on the upper cover, and water for water sealing is arranged in the tube body. The fuel gas low-pressure safety water seal is characterized in that an electric heat tape is wound on the circumference of the tube body, a heat insulation layer is arranged on the circumference and the bottom of the tube body, and a thermal resistor is arranged on the tube body. A screw thread small hole type float valve is arranged in the tube body, and a water inlet valve of the screw small hole type float valve is arranged at the bottom of the tube body and connected with a water feeding pipe. A fuel gas alarming probe is arranged on the upper cover. The fuel gas low-pressure safety water seal has the advantages of measuring the temperature of the water in the water seal inner tube automatically, heating the water in the water seal inner tube automatically, being in normal working state under the severe condition of low temperature, achieving automatic quantitative water supplement, and being capable of detecting the fuel gas concentration in the water inner tube automatically and transmitting the concentration to an unmanned control chamber. Therefore, overpressure accident conditions are learnt at the earliest moment, potential safety hazards are eliminated timely, and a use range is wide.
Description
Technical field
The utility model belongs to a kind of safety protection device, particularly a kind of combustion gas low-voltage safety water seal.
Background technique
Gas safe diffuses water seal and is used for the combustion gas voltage-regulating system more, effect is similar to Safety relief valve, and different is to come the shutoff combustion gas by the liquid level in the water seal, in case ducted gas superpressure, to break through liquid level and directly diffuse and enter atmosphere, guarantee the safety of gas burning system.Existing safety is diffused water seal and mainly is made of water pot, water or antifreeze liquid, gas inlet pipe, exhaust stack, liquid level meter, water filling hole etc.The subject matter that its exists is, 1, be subjected to the ambient temperature restriction bigger, in case freezing, low temperature will cause water seal to be lost efficacy, and generally need be arranged on indoorly, and need guarantee that room temperature is not less than zero degree.Perhaps replace water with antifreeze liquid, inject antifreeze liquid in water pot, this has increased user cost again.2, take normal walkaround inspection, observe the liquid level in the liquid level meter glass tube, after the discovery liquid level is lower than designated water level, manually opened supply pipe valve, artificial recharge has increased the difficulty of management.3, after Safety water seal diffuses, only could determine the time of diffusing having under people's the situation, ignore super high pressure accident hidden danger easily.
Summary of the invention
The technical problems to be solved in the utility model is, overcomes existing gas safe and diffuses the problem that water seal is frozen easily, super high pressure accident appears in management workload greatly, easily, and a kind of automatic heating, automatic water supplement, safe and reliable combustion gas low-voltage safety water seal are provided.
The utility model has a water seal inner core that is made of cylindrical shell and loam cake, covering gas inlet pipe and exhaust stack, in cylindrical shell, be useful on the water of water seal, its special way is, circumference at cylindrical shell is wound with electric-heating belt, circumference and bottom at cylindrical shell are equipped with thermal insulation layer, and the thermometric thermal resistor also is installed on cylindrical shell.
Screw thread aperture formula float valve also is installed in cylindrical shell, and described screw thread aperture formula float valve is made of ball float, valve rod and inlet valve, and inlet valve is installed in the bottom of cylindrical shell, and is connected with supply pipe.
Also have a curved baffle in cylindrical shell, curved baffle is provided with several through holes, makes the water level of curved baffle both sides remain unanimity.
Combustible gas alarm probe also is installed covering, so that in time remove potential safety hazard.
Advantage of the present utility model is:
1, twines electric-heating belt at cylindrical shell, and thermal resistor is set, water in the water seal inner core is carried out automatic temperature measurement, heating automatically, guarantee that the water in the water seal inner core does not freeze when ambient temperature is subzero, guarantee that the water seal of combustion gas low-voltage safety is in normal working under the low temperature mal-condition, needn't be installed in indoor, also needn't inject antifreeze liquid, reduce user cost, simultaneously for energy-conservation, at cylindrical shell thermal insulation layer is set, economical and practical.
2, screw thread aperture formula float valve is set in cylindrical shell, has realized the automatically quantitative moisturizing, and, can accurately control liquid level in the water seal inner core by regulating valve stem length, need not the peripheral hardware level meter, avoided the people to be misoperation.
3, combustible gas alarm probe is set covering, can detect combustable gas concentration in the water seal inner core automatically, exceed setting value in case measure combustable gas concentration, not only can in time ventilate with the explosion-proof fan interlocking, the more important thing is can be with the control room of alarm signal teletransmission to Attended mode, thereby the very first time is understood the super high pressure accident dangerous situation, in time removes potential safety hazard, like this, not only water seal can be arranged on unattended place, reduce human input, and monitoring also more promptly and accurately.
4, using scope is wide, and the utility model not only can be used for gas works, also is applicable to the place of other dangerous property gases.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1.
Embodiment
As shown in drawings, the utility model has a water seal inner core that is made of cylindrical shell 13 and loam cake 3, is bolted together between cylindrical shell 13 and the loam cake 3, between cylindrical shell 13 and loam cake 3 cushion rubber 1 is installed also, in case leak-stopping gas; At loam cake 3 gas inlet pipe 2 and exhaust stack 4 are arranged, be useful on the water of water seal in cylindrical shell 13, the outside of gas inlet pipe 2 is connected with gas burning system, the inboard is longer, extend into the bottom of water, and the outside of exhaust stack 4 communicates with atmosphere, the inboard is shorter, is positioned at the top of water seal liquid level; Circumference at cylindrical shell 13 is wound with electric-heating belt 9, water in 9 pairs of cylindrical shells 13 of electric-heating belt heats, circumference and bottom at cylindrical shell 13 are equipped with thermal insulation layer 10, water in the cylindrical shell 13 is incubated, thermometric thermal resistor 12 also is installed on cylindrical shell 13, thermometric thermal resistor 12 is existing element, utilize the water temperature in 12 pairs of cylindrical shells 13 of thermometric thermal resistor to measure, when water temperature is lower than setting value, send signal to control gear, start electric-heating belt 9 work by control gear, when water temperature is higher than setting value, send signal to control gear, stop electric-heating belt 9 work by control gear, make the water in the water seal inner core be in the working state of not freezing all the time; Screw thread aperture formula float valve 6 also is installed in cylindrical shell 13, described screw thread aperture formula float valve 6 is existing element, screw thread aperture formula float valve 6 is made of ball float, valve rod and inlet valve, inlet valve is installed in the bottom of cylindrical shell, and be connected with supply pipe 11, water in the water seal inner core is reduced to sets liquid level when following, moisturizing in trend water seal inner core; In cylindrical shell 13, also has a curved baffle 5, in the space that screw thread aperture formula float valve 6 constitutes between curved baffle 5 and cylindrical shell 13, make ball float be positioned at inlet valve directly over, guarantee the inlet valve proper functioning, curved baffle 5 is provided with several through holes, makes the water level of curved baffle 5 both sides remain unanimity; Also have a spill pipe 8 in the side of cylindrical shell 13, the position of spill pipe 8 is a little more than the liquid level in the water seal inner core, so that discharge unnecessary water when screw thread aperture formula float valve 6 breaks down; Combustible gas alarm probe 7 also is installed on loam cake 3, and combustible gas alarm probe 7 is connected with the control gear of Attended mode for existing element, the signaling line on the combustible gas alarm probe 7, so that the teletransmission alarm signal is in time removed potential safety hazard.
Claims (4)
1. combustion gas low-voltage safety water seal, it has a water seal inner core that is made of cylindrical shell and loam cake, covering gas inlet pipe and exhaust stack, in cylindrical shell, be useful on the water of water seal, it is characterized in that, circumference at cylindrical shell is wound with electric-heating belt, in circumference and the bottom of cylindrical shell thermal insulation layer is installed, and thermal resistor also is installed on cylindrical shell.
2. combustion gas low-voltage safety according to claim 1 water seal, it is characterized in that, screw thread aperture formula float valve also is installed in cylindrical shell, described screw thread aperture formula float valve is made of ball float, valve rod and inlet valve, inlet valve is installed in the bottom of cylindrical shell, and is connected with supply pipe.
3. combustion gas low-voltage safety according to claim 1 water seal is characterized in that, also has a curved baffle in cylindrical shell, and curved baffle is provided with several through holes.
4. combustion gas low-voltage safety according to claim 1 water seal is characterized in that, combustible gas alarm probe also is installed covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093598 CN203162241U (en) | 2013-03-01 | 2013-03-01 | Fuel gas low-pressure safety water seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093598 CN203162241U (en) | 2013-03-01 | 2013-03-01 | Fuel gas low-pressure safety water seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162241U true CN203162241U (en) | 2013-08-28 |
Family
ID=49023425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320093598 Expired - Fee Related CN203162241U (en) | 2013-03-01 | 2013-03-01 | Fuel gas low-pressure safety water seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676631A (en) * | 2017-11-14 | 2018-02-09 | 中车资阳机车有限公司 | A kind of wet-type relief device on high temperature, minute-pressure, filthy gas pipeline |
-
2013
- 2013-03-01 CN CN 201320093598 patent/CN203162241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676631A (en) * | 2017-11-14 | 2018-02-09 | 中车资阳机车有限公司 | A kind of wet-type relief device on high temperature, minute-pressure, filthy gas pipeline |
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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 |
Granted publication date: 20130828 Termination date: 20160301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |