CN207191991U - A kind of industrial wastewater emergency storage tank waste gas collection device - Google Patents
A kind of industrial wastewater emergency storage tank waste gas collection device Download PDFInfo
- Publication number
- CN207191991U CN207191991U CN201721156728.9U CN201721156728U CN207191991U CN 207191991 U CN207191991 U CN 207191991U CN 201721156728 U CN201721156728 U CN 201721156728U CN 207191991 U CN207191991 U CN 207191991U
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- Prior art keywords
- storage tank
- waste gas
- pressure
- waste water
- emergency storage
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Abstract
The utility model provides a kind of industrial wastewater emergency storage tank waste gas collection device, including waste water emergency storage tank, waste gas negative pressure storage tank, blower fan or vavuum pump, when waste water enters waste water emergency storage tank, tank internal upper part exhaust gas pressure raises, when pressure value is more than setting pressure upper limit value and bears pressure less than tank, then waste gas is excluded, while adjust valve regulation aperture, until the pressure in waste water emergency storage tank is tiny structure, exhaust emission valve and regulating valve are closed；When waste water emergency storage tank is negative pressure value, supplement extraneous air enters in tank, until pressure inside the tank reaches balance with ambient pressure.The utility model realizes that the On Fluctuations balance of waste gas is collected, process object is replaced the big cubical content waste gas of whole tank upper space of prior art by the little deviation amount waste gas more than setting pressure upper limit value, reduce waste gas pollution control and treatment equipment scale, operating cost is low, and required fan delivery is small, without power-equipment long-play, improve efficiency, waste gas is collected, reduces discharge amount of exhaust gas, energy-conserving and environment-protective.
Description
Technical field
It the utility model is related to gas sampling field, more particularly to a kind of industrial wastewater emergency storage tank waste gas collection device.
Background technology
In more waste water treatment plant, emergent waste water emergency storage tank is usually designed with.The characteristics of these emergent waste water emergency storage tanks is
Cubical content is larger, and waste water is usually hardly had in tank and is inside deposited, and only when sewage treatment equipment breaks down, just will
Waste water is led to that emergency storage tank is stored.Therefore usually liquid level is not high in tank, and ullage space is big.Industrial wastewater is another in addition
Individual feature is waste component complexity, and the gas componant usually evaporated is also especially complex, if directly discharging, influences ring around
Border.If being cemented out waste gas by scavenging way, ventilation volume is big, and the treatment scale of final waste gas end treatment equipment is larger.
Prior art waste water emergency storage tank gas sampling frequently with two ways,
As shown in (Fig. 1), directly it is evacuated by blower fan FN-1, in order to save containing for waste gas collected by energy consumption and reduction
Water rate, usual blower fan FN-1 are designed as frequency converter blower fan, and the pressure detected according to pressure inside the tank sensor PDT-01 carries out frequency conversion.
As shown in (Fig. 2), still it is evacuated by blower fan FN-1, increase valve V-4 is regulating valve, according to pressure inside the tank sensor
The aperture of the pressure control valve of PDT-01 detections.
Usually liquid level is low for waste water emergency storage tank, therefore ventilation volume is big, and the exhaust gas concentration that waste water evaporates is limited, if therefore adopting
In aforementioned manners, the gas in collection conduit is the waste gas after large quantity of air dilutes.That is the blower fan most of the time
It is inside to be done work to clean air, and the conveying to waste gas is a drop in the ocean, blower fan operation power cost is big.
Existing collection mode, exhaust gas concentration is low, and volume is big, and waste gas is administered according to pyrolysis method, then running cost is huge,
Still further aspect, the scale of end treatment equipment increase, and improve the cost of investment of equipment.
Utility model content
The utility model is intended to carry out the waste gas that waste water emergency storage tank evaporates energy-conservation collection, reduces blower fan operation power
Cost, reduce waste gas pollution control and treatment equipment scale.
The utility model takes following technical scheme,
A kind of industrial wastewater emergency storage tank waste gas collection device, including waste water emergency storage tank, waste water enter pipeline and positioned at waste water thing
Therefore the discharge of wastewater valve and liquid level gauge of tank bottom both sides and the pressure sensor and safety valve at top, it is characterised in that：
Fuel gas detector is installed on the waste water emergency storage tank top, enters pipeline through air inlet valve connection outer gas；
The waste gas negative pressure storage tank of pressure sensor is connected and installed with by exhaust emission valve, the waste gas negative pressure storage tank passes through
Regulating valve connecting fan or vavuum pump, gas outlet connect waste gas and go out pipeline.
Further, the waste water emergency storage tank is in pressure-fired power state under normal condition, and the waste gas negative pressure storage tank is in micro-
Negative pressure state.
Further, pressure-fired power state is in 0~50Pa, and the tiny structure power state is in -100~-50Pa.
It is SV-1 that waste water emergency storage tank, which bears pressure, and waste water emergency storage tank setting pressure upper limit value is set as SV-2, waste gas negative pressure
Storage tank setting value is SV-3,
The relation of pressure value is SV-1>SV-2>SV-3,
A. when the pressure in waste water emergency storage tank bears pressure SV-1 more than it, then safety valve automatically turns on pressure release；
B. waste water emergency storage tank is entered when waste water enters pipeline from waste water, the pressure value of pressure sensor detection is more than the setting upper limit
During pressure value SV-2, and when being less than SV-1, then open exhaust emission valve, meanwhile, regulating valve according to pressure sensor test value with
Setting value SV-3 values adjust aperture, to waste water emergency storage tank in pressure be tiny structure, closing exhaust emission valve and regulating valve；
C. exhaust emission valve is closed, and is when liquid level gauge detects that liquid level declines or after being vented in waste water emergency storage tank in tank
During negative pressure value, open air inlet valve to pressure inside the tank and ambient pressure and reach balance, close air inlet valve.
Further, when the fuel gas detector detects that exhaust gas concentration exceedes setting alarming value in waste water emergency storage tank
When, exhaust emission valve, regulating valve and air inlet valve are opened, waste gas is expelled to after being diluted to waste gas in waste water emergency storage tank and bears
Press storage tank.
When water level rises or falls, as long as discharge amount of exhaust gas and fresh air can be drawn according to the design discharge of waste water
Increment, conveniently make the scale of relevant device.When waste water injects, according to the flow of injection, discharge can be approximately calculated
The flow of waste gas, that is, discharge the air force of waste gas.The air quantity that can be discharged according to waste water emergency storage tank, makes waste gas negative pressure storage tank
Volume size, while determine the scale (air quantity) of emission-control equipment.Waste gas negative pressure storage tank is used as one not as holding vessel
Transition tank.When waste water emergency storage tank draining, the flow of the fresh air filled into is approximately equal to the flow of waste gas discharge, can make sky
Gas inlet valve V2 diameter.
Compared with prior art, the utility model has the advantages that:
1. the utility model realizes that the On Fluctuations balance of waste gas is collected, deal with objects by micro- more than setting pressure upper limit value
Little deviation amount waste gas replaces the big cubical content waste gas of whole tank upper space of prior art, reduces waste gas pollution control and treatment equipment scale, operation
Expense is low, and required fan delivery is small, without power-equipment long-play, improves efficiency, collects waste gas, reduces waste gas discharge
Amount, energy-conserving and environment-protective.
2. exhaust gas volume is small, air quantity is small, handled after can merging with other waste gas, processing equipment small scale, capital cost
With low.
Brief description of the drawings
The structure chart of Fig. 1 prior art industrial wastewater emergency storage tanks waste gas collection device one
The structure chart of Fig. 2 prior art industrial wastewater emergency storage tanks waste gas collection device two
Fig. 3 the utility model industrial wastewater emergency storage tank waste gas collection device structure charts
Wherein：
Equipment, TK-1：Waste water emergency storage tank, TK-2：Waste gas negative pressure storage tank, FN-1：Blower fan or vavuum pump；Pipeline, P1：Waste water
Enter pipeline, P2：Waste water goes out pipeline, P3：Outer gas enters pipeline, P4：Waste gas goes out pipeline；
Instrument, AIT-01：Fuel gas detector, PDT-01/02：Pressure sensor, LT-01：Liquid level gauge；Valve, V-
1：Safety valve, V-2：Air inlet valve, V-3：Exhaust emission valve, V-4：Regulating valve,
V-5：Discharge of wastewater valve.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using the technical solution of the utility model as according to
According to development, detailed embodiment and specific operating process are given.
It is SV-1 that waste water emergency storage tank TK-1 safety, which bears pressure, to ensure safety, as long as pressure inside the tank is more than SV-1, and peace
Full valve V-1 is switched on pressure release.
When sewage treatment equipment breaks down, waste water is entered into pipeline P1 from waste water and introduces waste water emergency storage tank TK-1, due to
Tank level raises, and tank internal upper part exhaust gas volume diminishes, and pressure rise, pressure value is detected by pressure sensor PDT-01
Come, when detecting pressure value and being more than waste water emergency storage tank TK-1 setting pressure upper limit value SV-2, and when being less than SV-1, then open waste gas
Drain valve V-3, meanwhile, regulating valve V-4 adjusts aperture according to pressure sensor PDT-02 test values and setting value SV-3 values, extremely useless
Pressure in water emergency storage tank TK-1 is tiny structure, closes exhaust emission valve V-3 and regulating valve V-4；
Exhaust emission valve V-3 is closed, and is put when liquid level gauge LT-01 detects that liquid level declines or when in waste water emergency storage tank TK-1
When in tank be negative pressure value after sky, air inlet valve V-2 is opened to pressure inside the tank and ambient pressure and reaches balance, closing air intake
Valve V-2.
To ensure safety, prevent flammable gas explosion from burning, when fuel gas detector AIT-01 detects waste water accident
When exhaust gas concentration exceedes setting alarming value in tank TK-1, exhaust emission valve V-3, regulating valve V-4 and air inlet valve V-2 are opened,
Waste gas negative pressure storage tank TK-2 is expelled to after being diluted to waste gas in waste water emergency storage tank TK-1.
Above example is the preferred embodiment of the application, and one of ordinary skill in the art can also enter on this basis
The various conversion of row or improvement, on the premise of the total design of the application is not departed from, these conversion or improvement should all belong to this Shen
Within the scope of please being claimed.
Claims (3)
1. a kind of industrial wastewater emergency storage tank waste gas collection device, including waste water emergency storage tank (TK-1), waste water enter pipeline (P1) and position
Discharge of wastewater valve (V-5) and liquid level gauge (LT-01) and the pressure sensing at top in waste water emergency storage tank (TK-1) bottom both sides
Device (PDT-01) and safety valve (V-1), it is characterised in that：
Connect in waste water emergency storage tank (TK-1) top installation fuel gas detector (AIT-01), through air inlet valve (V-2)
Logical outer gas enters pipeline (P3)；
The waste gas negative pressure storage tank (TK-2) of pressure sensor (PDT-02) is connected and installed with by exhaust emission valve (V-3), it is described
Waste gas negative pressure storage tank (TK-2) by regulating valve (V-4) connecting fan or vavuum pump (FN-1), connect waste gas and go out pipeline by gas outlet
(P4)。
2. a kind of industrial wastewater emergency storage tank waste gas collection device according to claim 1, it is characterised in that under normal condition
The waste water emergency storage tank (TK-1) is in pressure-fired power state, and the waste gas negative pressure storage tank (TK-2) is in tiny structure power state.
A kind of 3. industrial wastewater emergency storage tank waste gas collection device according to claim 2, it is characterised in that the pressure-fired
Power state is in 0~50Pa, and the tiny structure power state is in -100~-50Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156728.9U CN207191991U (en) | 2017-09-11 | 2017-09-11 | A kind of industrial wastewater emergency storage tank waste gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156728.9U CN207191991U (en) | 2017-09-11 | 2017-09-11 | A kind of industrial wastewater emergency storage tank waste gas collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207191991U true CN207191991U (en) | 2018-04-06 |
Family
ID=61791880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721156728.9U Withdrawn - After Issue CN207191991U (en) | 2017-09-11 | 2017-09-11 | A kind of industrial wastewater emergency storage tank waste gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207191991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444795A (en) * | 2017-09-11 | 2017-12-08 | 上海兰宝环保科技有限公司 | A kind of industrial wastewater emergency storage tank waste gas collection device and method |
-
2017
- 2017-09-11 CN CN201721156728.9U patent/CN207191991U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444795A (en) * | 2017-09-11 | 2017-12-08 | 上海兰宝环保科技有限公司 | A kind of industrial wastewater emergency storage tank waste gas collection device and method |
| CN107444795B (en) * | 2017-09-11 | 2022-12-27 | 上海兰宝环保科技有限公司 | Industrial wastewater accident tank waste gas collection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20221227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20221227 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |