CN112113804A - Sewage pipe network and septic tank gas sampling system device - Google Patents
Sewage pipe network and septic tank gas sampling system device Download PDFInfo
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- CN112113804A CN112113804A CN202010965306.6A CN202010965306A CN112113804A CN 112113804 A CN112113804 A CN 112113804A CN 202010965306 A CN202010965306 A CN 202010965306A CN 112113804 A CN112113804 A CN 112113804A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
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Abstract
The invention discloses a sewage pipe network and septic tank gas sampling system device, which is characterized in that: including condensing equipment, drying device, desulphurization unit and controlling means, controlling means provide power supply and gas circuit converter, the sampling gas in sewage pipe network and the septic tank carries drying device again after condensing the drainage by condensing equipment, exports sampling gas again after carrying out the desulfurization by gas circuit converter direct output sampling gas at last or carrying desulphurization unit and carrying out the desulfurization again. The invention has the beneficial effects that: the system device can output non-desulfurized sampling gas and desulfurized sampling gas, and can meet the detection requirements of different types of gas sensors; after the two different sampling gases are fully dried or desulfurized, no chemical reaction is generated to generate corrosive hydrogen sulfuric acid, so that the corrosion of the gas sensor is avoided, and the service life of the gas sensor equipment is prolonged.
Description
Technical Field
The invention belongs to the technical field of municipal facilities, and particularly relates to a sewage pipe network and septic tank gas sampling system device.
Background
In sewage pipe networks and septic tanks in cities, various toxic, combustible, explosive and other dangerous gases such as methane, ammonia gas, carbon monoxide, hydrogen sulfide, sulfur dioxide and the like can be generated, and meanwhile, the sewage pipe networks and the septic tanks have severe internal environments, high humidity and corrosiveness. In the prior art, various gas sensor devices are installed to monitor gas in a sewage pipe network and a septic tank, but the gas in the sewage pipe network and the septic tank contains more moisture and sulfide gas, and the gas in the sewage pipe network and the gas in the septic tank generate corrosive hydrogen sulfuric acid after chemical reaction to corrode a gas sensor, so that the service life of the gas sensor devices is greatly shortened, and the gas sensor devices are even damaged in a short time; however, after the sampled gas is completely desulfurized, the gas sensor cannot monitor the concentration value of the sulfide gas in the sewage pipe network and the septic tank.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sewage pipe network and septic tank gas sampling system device which can output non-desulfurized sampling gas or desulfurized sampling gas according to the monitoring requirements of different gas sensors, wherein after the two kinds of sampling gas are fully dried, corrosive hydrogen sulfuric acid cannot be generated, and the gas sensors cannot be corroded.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides a sewage pipe network and septic tank gas sampling system device, includes condensing equipment, drying device, desulphurization unit, power supply, gas circuit switch and central processing the control unit, the power supply provides power with the sampling gas in sewage pipe network and the septic tank carry on by condensing equipment after the condensation drainage, carry drying device again and carry out the drying, at last by gas circuit converter direct output sampling gas or carry desulphurization unit to carry out the sampling gas of exporting again after desulfurization.
The condensing device consists of a condensing closed chamber, a condensing air inlet, a drain valve, a condensing air outlet and a condenser.
The drying device consists of a drying closed chamber, a drying air inlet, a pressure sensor, a drying air outlet and a drying agent.
The desulfurization device consists of a desulfurization closed chamber, a desulfurization air inlet, a pressure sensor, a desulfurization air outlet and a desulfurizing agent.
Sampling gas in a sewage pipe network and a septic tank enters a condensing device in the system through a power source, most of water vapor in the sampling gas can be condensed and separated through a condenser, and condensed condensate water can be automatically discharged out of the device through a drain valve under the action of gravity; the condensed gas enters a drying device, and the moisture in the sampling gas can be completely removed through a drying agent; then the sampling gas is output through the gas circuit converter, if desulfurization is needed, the gas circuit converter enters the desulfurization device, sulfide in the gas is removed through the desulfurizer, and then the sampling gas without sulfide is output. Therefore, the problem that the service life of the gas sensor equipment is influenced by the moisture and corrosive sulfide gas in the sampling gas can be well solved.
Furthermore, the power source is a vacuum air pump and is responsible for providing sampling power for the whole gas sampling equipment.
Furthermore, the gas circuit switcher is an electromagnetic valve, preferably a two-position three-way electromagnetic valve, and can switch the path of the output sampling gas.
Furthermore, the pressure sensor is connected with the central processing control unit and can transmit pressure signals to the central processing control unit.
Furthermore, the condenser adopts a wire mesh inner core made of 316L stainless steel materials.
Furthermore, the drying agent adopts allochroic silica gel.
Further, the desulfurizer adopts sodium hydroxide particles.
The sewage pipe network and septic tank gas sampling system device provided by the invention has two working modes, and can output two different sampling gases: non-desulfurized sample gas and desulfurized sample gas. The method can be used for meeting the detection requirements of different types of gas sensors.
When the sampling gas without desulfurization needs to be output, the central processing control unit sends an instruction, the vacuum air pump is opened, the sampling gas in the sewage pipe network and the septic tank enters the condensing device for condensation, then enters the drying device for drying, and then is output by the vacuum air pump through the electromagnetic valve.
When sampling gas after desulfurization needs to be output, the central processing control unit sends an instruction, the vacuum air pump and the electromagnetic valve are opened simultaneously, sampling gas inside the sewage pipe network and the septic tank enters the condensing device to be condensed and then enters the drying device to be dried, the vacuum air pump is switched to the desulfurization device through the electromagnetic valve, and the sampling gas is output after desulfurization.
In the two working modes, when any one pressure sensor monitors that the pressure of the closed container is overhigh, and after a signal is transmitted to the central processing control unit, the central processing control unit sends an instruction to close the working states of the vacuum air pump and the electromagnetic valve, so that the running safety of the whole system is ensured.
Compared with the prior art, the invention has the beneficial effects that: the system can output non-desulfurized sampling gas and desulfurized sampling gas, and can meet the detection requirements of different types of gas sensors; after the two different sampling gases are fully dried or desulfurized, no chemical reaction is generated to generate corrosive hydrogen sulfuric acid, so that the corrosion of the gas sensor is avoided, and the service life of the gas sensor equipment is prolonged.
Drawings
FIG. 1 is a schematic view of the operation of the sewage pipe network and septic tank gas sampling system device provided by the invention.
Fig. 2 is a front view of a sewage pipe network and a septic tank gas sampling system device provided by the invention.
Fig. 3 is a cross-sectional view of a condensing unit in the sewage pipe network and septic tank gas sampling system apparatus provided by the invention.
Fig. 4 is a cross-sectional view of a drying device in a sewage pipe network and a septic tank gas sampling system device provided by the invention.
Fig. 5 is a cross-sectional view of a desulfurization device in a sewage pipe network and a septic tank gas sampling system device provided by the invention.
Fig. 6 is an interface diagram of an electromagnetic valve in a sewage pipe network and a septic tank gas sampling system device provided by the invention.
In the figure, 1 a condensation device; 11 condensing the closed chamber; 12 a condensation air inlet; 13 a drain valve; 14 a condensation gas outlet; 15 a condenser; 2, a drying device; 21 drying the closed chamber; 22 drying the air inlet; 23 drying the air outlet; 24 a dry chamber pressure sensor; 25 a desiccant; 3, an electromagnetic valve; 31 solenoid valve air inlet; 32 air outlet under the non-working state of the electromagnetic valve; 33, an air outlet of the electromagnetic valve in a working state; 34 power supply interface of electromagnetic valve; 4, a desulfurization device; 41 a desulfurization closed chamber; 42 a desulfurization gas inlet; 43 a sweet gas outlet; 44 desulfurization chamber pressure sensor; 45, a desulfurizing agent; 5 a central control unit; 6, a vacuum air pump; 7 equipment housing.
Detailed Description
In order to make the technical solution, operation method and advantages achieved by the present invention more apparent, the following is further described with reference to the specific drawings.
As shown in fig. 1 and fig. 2, the sewage pipe network and septic tank gas sampling system provided by the present invention comprises a condensing device 1, a drying device 2, an electromagnetic valve 3, a desulfurizing device 4, a central control unit 5, a vacuum air pump 6 and an equipment housing 7, wherein the condensing device 1, the drying device 2, the electromagnetic valve 3, the desulfurizing device 4, the central control unit 5 and the vacuum air pump 6 are disposed inside the equipment housing 7.
As shown in fig. 3, 4, 5 and 6, the condensing device 1 is composed of a condensing closed chamber 11, a condensing gas inlet 12, a water discharge valve 13, a condensing gas outlet 14 and a condenser 15; the drying device 2 consists of a drying closed chamber 21, a drying air inlet 22, a drying cavity pressure sensor 24, a drying air outlet 23 and a drying agent 25; the desulfurization device 4 consists of a desulfurization closed chamber 31, a desulfurization air inlet 42, a desulfurization chamber pressure sensor 44, a desulfurization air outlet 43 and a desulfurizing agent 45; the electromagnetic valve 3 consists of an electromagnetic valve air inlet 31, an electromagnetic valve air outlet 32 in a non-operating state and an electromagnetic valve air outlet 32 in an operating state; a solenoid valve power interface 34.
As shown in fig. 1, 2 and 6, the condensation air outlet 14 of the device is connected with the drying air inlet 22, the drying air outlet 23 is connected with the vacuum air pump 6, the vacuum air pump 6 is connected with the electromagnetic valve inlet 31, and the air outlet 33 is connected with the desulfurization air outlet 43 when the electromagnetic valve is in a working state; wherein the drying chamber pressure sensor 24, the vacuum air pump 6, the electromagnetic valve power supply interface 34 and the desulfurization chamber pressure sensor 44 are connected with the central control unit 5.
The working principle of the sewage pipe network and septic tank gas sampling system device provided by the invention is as follows: when the sampling gas without desulfurization needs to be output, the central processing control unit 5 sends an instruction, the vacuum air pump 6 is started, the vacuum air pump 6 provides power, the sampling gas in the sewage pipe network and the septic tank is pumped into the condensing device 1 through the condensation air inlet 11, most of water vapor in the sampling gas can be condensed and separated through the condenser 15 in the condensing device 1, condensed condensate water can be automatically discharged out of the equipment through the drain valve 13 under the action of gravity, and the condensed gas enters the drying device 2 through the condensation air outlet 14 and the drying air inlet 22; the sampled gas can be dried by the desiccant 25 in the drying device 2; the dried sampling gas is conveyed to the inlet 31 of the electromagnetic valve through the vacuum air pump 6, and finally the sampling gas is output from the air outlet 32 of the electromagnetic valve in a non-working state.
When the desulfurized sampling gas needs to be output, the central processing control unit 5 sends an instruction, the vacuum air pump 6 and the electromagnetic valve 3 are opened simultaneously, the vacuum air pump 6 provides power, the sampling gas in the sewage pipe network and the septic tank is pumped into the condensing device 1 through the condensation air inlet 11, most of water vapor in the sampling gas can be condensed and separated through the condenser 15 in the condensing device 1, condensed condensate water can be automatically discharged out of the equipment through the drain valve 13 under the action of gravity, and the condensed gas enters the drying device 2 through the condensation air outlet 14 and the drying air inlet 22; the sampled gas can be dried by the desiccant 25 in the drying device 2; the dried sampling gas is conveyed to the electromagnetic valve inlet 31 through the vacuum air pump 6, then enters the desulfurization device 4 through the desulfurization air inlet 42 from the air outlet 33 under the working state of the electromagnetic valve, can remove sulfides in the sampling gas through the desulfurizer 45 in the desulfurization device 4, and finally is output from the desulfurization air outlet 43.
In the two working modes, when any one pressure sensor (the drying cavity pressure sensor 24 or the desulfurization cavity pressure sensor 44) monitors that the pressure of the closed container is overhigh, the pressure sensor transmits a signal to the central processing control unit 33, and the central processing control unit 33 sends an instruction after receiving the signal, so that the working states of the vacuum air pump 6 and the electromagnetic valve 3 are closed, and the operation safety of the whole system is ensured.
As the preferred embodiment, the power source adopts the vacuum air pump, the leakproofness is good, can not produce great vibrations and noise, guarantees that equipment operation is reliable and stable.
As a preferred embodiment, the gas circuit switcher adopts a two-position three-way electromagnetic valve, the electromagnetic valve is provided with a gas inlet end and 2 gas outlet ends, and the working state of the battery valve is switched.
As a preferred embodiment, the condenser 15 is made of a wire mesh inner core made of 316L stainless steel, the stainless steel has the characteristics of rust prevention and corrosion prevention, and the wire mesh inner core is made of multiple layers of stainless steel through pressing, so that the wire mesh inner core has a good condensation effect on water vapor in the sampled gas, and meanwhile, the smoothness of a gas path is guaranteed.
As a preferred embodiment, the drying agent 25 adopts allochroic silica gel which is dehydrated at high temperature, has excellent water absorption, and the surface color of the allochroic silica gel changes along with the water absorption content of the silica gel, so that the drying effect can be judged more easily.
In a preferred embodiment, sodium hydroxide particles are used as the desulfurizing agent 45, and the sodium hydroxide particles can form a chemical reaction with sulfide gas in the adopted gas, so that the desulfurizing effect is good.
By adopting the sewage pipe network and septic tank gas sampling system device provided by the invention, non-desulfurized sampling gas or desulfurized sampling gas can be provided according to the detection requirements of different types of gas sensors; and the two different sampling gases are fully dried or desulfurized, and cannot generate chemical reaction to generate corrosive hydrogen sulfuric acid, so that the gas sensor is prevented from being corroded, and the beneficial effect of prolonging the service life of the gas sensor equipment is achieved.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. The utility model provides a sewage pipe network and septic tank gas sampling system device, its characterized in that includes condensing equipment, drying device, desulphurization unit, power supply, gas circuit switch and central processing control unit, the power supply provides power with the sampling gas in sewage pipe network and the septic tank carry on by condensing equipment condensation drainage after, carry drying device again and carry out the drying, at last by gas circuit converter direct output sampling gas or carry desulphurization unit to carry out the desulfurization after the sampling gas of exporting again.
2. The sewer network and septic tank gas sampling system device of claim 1, wherein said condensing means comprises of a condensing enclosed chamber, a condensing gas inlet, a drain valve, a condensing gas outlet and a condenser.
3. The sewer network and septic tank gas sampling system device of claim 1, wherein said drying means comprises of a dry containment chamber, a dry inlet port, a pressure sensor, a dry outlet port, and a desiccant.
4. The sewer network and septic tank gas sampling system device of claim 1, wherein said desulfurization device is comprised of a desulfurization containment chamber, a desulfurization inlet port, a pressure sensor, a desulfurization outlet port, and a desulfurizing agent.
5. The sewer network and septic tank gas sampling system device of any of claims 1 to 5, wherein said central processing control unit is adapted to control the operating conditions of the power source and the gas circuit converter.
6. The sewer network and septic tank gas sampling system device of claim 1, wherein said power source is a vacuum pump.
7. The sewer network and septic tank gas sampling system device of claim 1, wherein said gas circuit switch is a two-position three-way solenoid valve.
8. The sewer network and septic tank gas sampling system apparatus of claim 2, wherein said condenser employs a wire mesh core made of 316L stainless steel material.
9. The sewer network and septic tank gas sampling system device of claim 3, wherein said desiccant is silica gel.
10. The sewer network and septic tank gas sampling system device of claim 4, wherein said desulfurizer is sodium hydroxide pellets.
11. The sewer network and septic tank gas sampling system device of claim 3 or 4, wherein said pressure sensor is connected to the central processing control unit for transmitting pressure signals thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965306.6A CN112113804A (en) | 2020-09-15 | 2020-09-15 | Sewage pipe network and septic tank gas sampling system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965306.6A CN112113804A (en) | 2020-09-15 | 2020-09-15 | Sewage pipe network and septic tank gas sampling system device |
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| CN112113804A true CN112113804A (en) | 2020-12-22 |
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| CN202010965306.6A Pending CN112113804A (en) | 2020-09-15 | 2020-09-15 | Sewage pipe network and septic tank gas sampling system device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674986A (en) * | 2022-04-11 | 2022-06-28 | 图方便（苏州）环保科技有限公司 | Online monitoring method for gas in fecal sewage digestion tank, sensor, system and device |
-
2020
- 2020-09-15 CN CN202010965306.6A patent/CN112113804A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674986A (en) * | 2022-04-11 | 2022-06-28 | 图方便（苏州）环保科技有限公司 | Online monitoring method for gas in fecal sewage digestion tank, sensor, system and device |
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