CN209722156U - A kind of methane-generating pit air pressure detection safety device - Google Patents
A kind of methane-generating pit air pressure detection safety device Download PDFInfo
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- CN209722156U CN209722156U CN201920410724.1U CN201920410724U CN209722156U CN 209722156 U CN209722156 U CN 209722156U CN 201920410724 U CN201920410724 U CN 201920410724U CN 209722156 U CN209722156 U CN 209722156U
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- Prior art keywords
- methane
- pressure
- generating pit
- sealing cover
- sealing
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Abstract
The utility model belongs to methane production device field, in particular a kind of methane-generating pit air pressure detects safety device, including sealing cover for methane tank and the pressure gauge being fixedly mounted at the top of the sealing cover for methane tank, the sealing cover for methane tank is mounted on the top of methane tank cover, and the junction of the sealing cover for methane tank and the methane tank cover is equipped with sealing ring, the methane-generating pit cover port is fixedly installed with sealing-plug, and one end of the tee tube stretches to inside methane-generating pit through the sealing-plug；By installing pressure gauge at the top of sealing cover for methane tank, and pressure gauge is separately connected three sensors, it is utilized respectively three sensors, air pressure in pipeline and at sealing cover is detected, the gas pressure inside methane-generating pit can be more accurately judged, when pressure is excessive, methane-generating pit internal pressure is drained using appendix and two kinds of relief tube placements, it avoids pressure excessive, guarantees the safety of methane-generating pit, and not will cause the waste of biogas.
Description
Technical field
The utility model relates to methane production device field, specifically a kind of methane-generating pit air pressure detects safety device.
Background technique
Biogas: be organic substance in an anaerobic environment, under conditions of certain temperature, humidity, pH value, pass through micro- life
Object fermentation, a kind of fuel gas of generation.Since this gas is found in marsh, lake, pond, institute
Its biogas is with people.
Biogas is constantly generated inside methane-generating pit, but after reaching certain air pressure, pressure release is needed to handle, it otherwise can be because of inside
Pressure is excessive and damages, and Chinese patent discloses a kind of sealing cover (Authorization Notice No. CN201820087323.2) used for methane tank,
The patented technology can effectively ensure that the leakproofness of methane-generating pit, while have the excessively high alarm function of air pressure, and still, which does not use
Safely and effectively pressure relief mechanism, and existing pressure valve table is installed on external pipeline, check bit is set to position in pipeline
It sets, if being leaked at sealing cover, can not detect.
Therefore, those skilled in the art provide a kind of methane-generating pit air pressure detection safety device, to solve above-mentioned background skill
The problem of being proposed in art.
Utility model content
The purpose of this utility model is to provide a kind of methane-generating pit air pressures to detect safety device, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of methane-generating pit air pressure detects safety device, including sealing cover for methane tank and to be fixedly mounted on the methane-generating pit close
The pressure gauge at top is covered, the sealing cover for methane tank is mounted on the top of methane tank cover, and the sealing cover for methane tank and institute
The junction for stating methane tank cover is equipped with sealing ring, and the methane-generating pit cover port is fixedly installed with sealing-plug, and the methane-generating pit is close
The inside of capping is equipped with tee tube, and one end of the tee tube stretches to inside methane-generating pit through the sealing-plug, and in addition two
End is located at the inside of the sealing cover for methane tank, and is connected separately with appendix and relief tube, the appendix and the pressure release
Tee tube described in Guan Junyu is tightly connected, and is fixedly installed with solenoid valve B at the sealing cover for methane tank on the appendix,
Solenoid valve A, the relief tube and the tee tube are fixedly installed on the relief tube at the sealing cover for methane tank
Junction is fixedly installed with first pressure sensor, and the junction of the appendix and the tee tube is fixedly installed with third pressure
Force snesor, the first pressure sensor and the solenoid valve A are electrically connected, the third pressure sensor and the electromagnetism
Valve B is electrically connected, and the inside of the sealing cover for methane tank is also equipped with second pressure sensor, the first pressure sensor,
Second pressure sensor and third pressure sensor are electrically connected with the pressure gauge.
The sealing ring and sealing-plug are rubber material as a further solution of the present invention, the biogas
Sealing space is formed by the sealing ring and the sealing-plug between pond sealing cover and the methane tank cover.
The first pressure sensor and the pressure gauge signal transmit as a further solution of the present invention,
The pressure gauge and the solenoid valve A are electrically connected, and the pressure gauge, first pressure sensor and solenoid valve A are closed-loop system.
The third pressure sensor and the pressure gauge signal transmit as a further solution of the present invention,
The pressure gauge and the solenoid valve B are electrically connected, and the pressure gauge, third pressure sensor and solenoid valve B are closed-loop system.
The second pressure sensor is located at the sealing cover for methane tank as a further solution of the present invention,
On inner sidewall, and the second pressure sensor is fixedly connected with the sealing cover for methane tank.
The pressure gauge is also connected with alarm, the alarm and institute as a further solution of the present invention,
Pressure gauge electric connection is stated, there is PLC controller inside the pressure gauge.
The appendix is connect with external gas equipment as a further solution of the present invention, the relief tube
It is connect with gas storage equipment.
Compared with prior art, the utility model has the beneficial effects that
By installing pressure gauge at the top of sealing cover for methane tank, and pressure gauge is separately connected three sensors, respectively benefit
With three sensors, air pressure in pipeline and at sealing cover is detected, can more accurately be judged inside methane-generating pit
Gas pressure when pressure is excessive, drains methane-generating pit internal pressure using appendix and two kinds of relief tube placements, avoids pressing
Power is excessive, guarantees the safety of methane-generating pit, and not will cause the waste of biogas.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of methane-generating pit air pressure detects safety device；
Fig. 2 is the schematic cross-sectional view that a kind of methane-generating pit air pressure detects safety device；
Fig. 3 is the schematic diagram of internal structure that a kind of methane-generating pit air pressure detects sealing cover for methane tank in safety device；
Fig. 4 is the control system block diagram that a kind of methane-generating pit air pressure detects pressure gauge in safety device.
In figure: 1, sealing cover for methane tank；11, sealing ring；12, tee tube；13, sealing-plug；2, pressure gauge；21, the first pressure
Force snesor；22, second pressure sensor；23, third pressure sensor；24, alarm；3, appendix；31, solenoid valve B；4,
Relief tube；41, solenoid valve A.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of methane-generating pit air pressure detects safety device, including methane-generating pit
Sealing cover 1 and the pressure gauge 2 for being fixedly mounted on 1 top of sealing cover for methane tank, sealing cover for methane tank 1 are mounted on methane tank cover
Top, and the junction of sealing cover for methane tank 1 and methane tank cover is equipped with sealing ring 11, methane-generating pit cover port is fixedly installed with close
Blocking 13, the inside of sealing cover for methane tank 1 are equipped with tee tube 12, and one end of tee tube 12 stretches to biogas through sealing-plug 13
Inside pond, in addition both ends are located at the inside of sealing cover for methane tank 1, and are connected separately with appendix 3 and relief tube 4,3 He of appendix
Relief tube 4 is tightly connected with tee tube 12, is fixedly installed with solenoid valve B31 at sealing cover for methane tank 1 on appendix 3,
It is fixedly installed with solenoid valve A41 at sealing cover for methane tank 1 on relief tube 4, relief tube 4 and the junction of tee tube 12 are fixed
First pressure sensor 21 is installed, appendix 3 and the junction of tee tube 12 are fixedly installed with third pressure sensor 23, the
One pressure sensor 21 and solenoid valve A41 is electrically connected, and third pressure sensor 23 and solenoid valve B31 are electrically connected, methane-generating pit
The inside of sealing cover 1 is also equipped with second pressure sensor 22, first pressure sensor 21, second pressure sensor 22 and third
Pressure sensor 23 is electrically connected with pressure gauge 2.
In Fig. 1: sealing cover for methane tank 1 is mounted on the top of methane tank cover, is equipped with pressure at the top of sealing cover for methane tank 1
Table 2, appendix 3 are connect with external gas equipment, and relief tube 4 is connect with gas storage equipment, by the top of sealing cover for methane tank 1
Install pressure gauge 2, and pressure gauge 2 respectively with first pressure sensor 21, second pressure sensor 22 and third pressure sensor
23 are electrically connected, and for showing the pressure at three positions, wherein first pressure sensor 21 is located at relief tube 4 and tee tube 12
Junction can be used for detecting the pressure in relief tube 4, that is, the pressure inside methane-generating pit, and third pressure sensor 23
In the junction of appendix 3 and tee tube 12, for detecting the pressure in appendix 3, meanwhile and methane-generating pit inside pressure
Power, in addition second pressure sensor 22 is between sealing cover for methane tank 1 and methane tank cover, and is in sealed environment, if going out
Existing pressure change, then it is poorly sealed between sealing cover for methane tank 1 and methane tank cover, three sensors are utilized respectively, in pipeline
And air pressure is detected at sealing cover, can more accurately be judged the gas pressure inside methane-generating pit, when pressure is excessive, be adopted
Methane-generating pit internal pressure is drained with appendix 3 and 4 two kinds of relief tube placements, avoids pressure excessive, guarantees methane-generating pit
Safety, and not will cause the waste of biogas, wherein the model RS485 of second pressure sensor 22, first pressure sensor
21 and third pressure sensor 23 model CNEx17.
In figure 2 and figure 3: sealing ring 11 and sealing-plug 13 are rubber material, sealing cover for methane tank 1 and methane tank cover it
Between sealing space formed by sealing ring 11 and sealing-plug 13, second pressure can be installed inside sealing cover for methane tank 1 and sensed
Device 22, to detect the leakproofness between sealing cover for methane tank 1 and methane tank cover, help judges whether methane-generating pit internal pressure leaks
Or it is excessively high, solenoid valve B31, close methane-generating pit on relief tube 4 are fixedly installed on appendix 3 at sealing cover for methane tank 1
Solenoid valve A41 is fixedly installed at sealing cover 1, it, can be according to making by installing solenoid valve on appendix 3 and relief tube 4 respectively
With situation, carrys out selective opening solenoid valve and facilitate control to pressure release is carried out in methane-generating pit, second pressure sensor 22 is located at
On the inner sidewall of sealing cover for methane tank 1, and second pressure sensor 22 is fixedly connected with sealing cover for methane tank 1, by biogas
Second pressure sensor 22 is installed inside pond sealing cover 1, to detect the leakproofness between sealing cover for methane tank 1 and methane tank cover,
Help judges whether methane-generating pit internal pressure leaks or excessively high.
In Fig. 4: first pressure sensor 21 and 2 signal of pressure gauge transmit, and pressure gauge 2 and solenoid valve A41 are electrically connected,
Pressure gauge 2, first pressure sensor 21 and solenoid valve A41 are closed-loop system, and third pressure sensor 23 and 2 signal of pressure gauge pass
Defeated, pressure gauge 2 and solenoid valve B31 are electrically connected, and pressure gauge 2, third pressure sensor 23 and solenoid valve B31 are closed-loop system,
Pressure gauge 2 is also connected with alarm 24, and alarm 24 and pressure gauge 2 are electrically connected, and has PLC controller, pressure inside pressure gauge 2
The PLC controller for handling sensor signal is arranged in the inside of power table 2, can receive the signal that three sensors detect
Collection processing, when one of pressure is excessive, alarm 24 is alarmed, and solenoid valve A41 or electromagnetism are controlled using PLC controller
The opening and closing of valve B31 will export gas, reduce pressure, and show by pressure gauge 2, facilitate people to watch, and judgement
Pressure condition in methane-generating pit.
The working principle of the utility model is: by installing pressure gauge 2, and pressure gauge 2 at the top of sealing cover for methane tank 1
It is electrically connected respectively with first pressure sensor 21, second pressure sensor 22 and third pressure sensor 23, for showing three
The pressure at a position, wherein first pressure sensor 21 is located at the junction of relief tube 4 and tee tube 12, can be used for detecting and let out
Pressure in pressure pipe 4, third pressure sensor 23 is located at the junction of appendix 3 and tee tube 12, for detecting in appendix 3
Pressure, be the pressure inside methane-generating pit, in addition second pressure sensor 22 be located at sealing cover for methane tank 1 and methane tank cover it
Between, and in sealed environment, poorly sealed between sealing cover for methane tank 1 and methane tank cover if there is pressure change, pressure
The PLC controller for handling sensor signal is arranged in the inside of table 2, can be collected the signal that three sensors detect
Processing, when one of pressure is excessive, the opening and closing of solenoid valve A41 or solenoid valve B31 are controlled using PLC controller, will
Gas is exported, pressure is reduced, and show by pressure gauge 2, facilitates people to watch, and judge pressure feelings in methane-generating pit
Condition.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (7)
1. a kind of methane-generating pit air pressure detects safety device, which is characterized in that including sealing cover for methane tank (1) and be fixedly mounted on
Pressure gauge (2) at the top of the sealing cover for methane tank (1), the sealing cover for methane tank (1) are mounted on the top of methane tank cover, and
The junction of the sealing cover for methane tank (1) and the methane tank cover is equipped with sealing ring (11), and the methane-generating pit cover port is solid
Dingan County is equipped with sealing-plug (13), and the inside of the sealing cover for methane tank (1) is equipped with tee tube (12), the tee tube (12)
One end stretches to inside methane-generating pit through the sealing-plug (13), and in addition both ends are located at the inside of the sealing cover for methane tank (1),
And be connected separately with appendix (3) and relief tube (4), the appendix (3) and the relief tube (4) with the tee tube
(12) it is tightly connected, is fixedly installed with solenoid valve B(31 at the sealing cover for methane tank (1) on the appendix (3)), institute
State and be fixedly installed with solenoid valve A(41 at the sealing cover for methane tank (1) on relief tube (4)), the relief tube (4) and institute
The junction for stating tee tube (12) is fixedly installed with first pressure sensor (21), the appendix (3) and the tee tube
(12) junction is fixedly installed with third pressure sensor (23), the first pressure sensor (21) and the solenoid valve A
(41) it is electrically connected, the third pressure sensor (23) and the solenoid valve B(31) it is electrically connected, the sealing cover for methane tank
(1) inside is also equipped with second pressure sensor (22), the first pressure sensor (21), second pressure sensor (22)
It is electrically connected with the pressure gauge (2) with third pressure sensor (23).
2. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the sealing ring (11)
It is rubber material with sealing-plug (13), passes through the sealing ring between the sealing cover for methane tank (1) and the methane tank cover
(11) and the sealing-plug (13) forms sealing space.
3. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the first pressure passes
Sensor (21) and the pressure gauge (2) signal transmit, the pressure gauge (2) and the solenoid valve A(41) it is electrically connected, the pressure
Power table (2), first pressure sensor (21) and solenoid valve A(41) it is closed-loop system.
4. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the third pressure passes
Sensor (23) and the pressure gauge (2) signal transmit, the pressure gauge (2) and the solenoid valve B(31) it is electrically connected, the pressure
Power table (2), third pressure sensor (23) and solenoid valve B(31) it is closed-loop system.
5. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the second pressure passes
Sensor (22) is located on the inner sidewall of the sealing cover for methane tank (1), and the second pressure sensor (22) and the biogas
Pond sealing cover (1) is fixedly connected.
6. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the pressure gauge (2)
It is also connected with alarm (24), the alarm (24) and the pressure gauge (2) are electrically connected, tool inside the pressure gauge (2)
There is PLC controller.
7. a kind of methane-generating pit air pressure according to claim 1 detects safety device, which is characterized in that the appendix (3)
It is connect with external gas equipment, the relief tube (4) connect with gas storage equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410724.1U CN209722156U (en) | 2019-03-29 | 2019-03-29 | A kind of methane-generating pit air pressure detection safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410724.1U CN209722156U (en) | 2019-03-29 | 2019-03-29 | A kind of methane-generating pit air pressure detection safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722156U true CN209722156U (en) | 2019-12-03 |
Family
ID=68689254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410724.1U Expired - Fee Related CN209722156U (en) | 2019-03-29 | 2019-03-29 | A kind of methane-generating pit air pressure detection safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209722156U (en) |
-
2019
- 2019-03-29 CN CN201920410724.1U patent/CN209722156U/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: 20191203 Termination date: 20210329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |