CN206746295U - A kind of compression module of denitrification apparatus - Google Patents
A kind of compression module of denitrification apparatus Download PDFInfo
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- CN206746295U CN206746295U CN201720417897.7U CN201720417897U CN206746295U CN 206746295 U CN206746295 U CN 206746295U CN 201720417897 U CN201720417897 U CN 201720417897U CN 206746295 U CN206746295 U CN 206746295U
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Abstract
The utility model discloses a kind of compression module of denitrification apparatus, includes soft water pressurization submodule and denitrification reducing agent pressurization submodule；The soft water pressurization submodule includes the first filter, the first centrifugal multistage pump multiple centrifugal pump, first pressure display device and the first non-return device, and the denitrification reducing agent pressurization submodule includes the second filter, the second centrifugal multistage pump multiple centrifugal pump, second pressure display device and the second non-return device.The beneficial effects of the utility model are：By setting filter to avoid impurity blocking pipeline from influenceing system safety operation in each submodule block entrance, and realized by non-return device and prevent that when system is out of service working medium pours in down a chimney easily infringement equipment and pollutes working medium in pipeline；In addition, also setting stable-pressure device and exhaust apparatus in each submodule, realize the voltage stabilizing of pipeline and reduce the vibrations of centrifugal multistage pump multiple centrifugal pump, reduce fault rate, increase its service life.The utility model can be widely applied to denitration technology field as a kind of compression module of denitrification apparatus.
Description
Technical field
Denitration technology field is the utility model is related to, especially a kind of compression module of denitrification apparatus.
Background technology
Environment and development is the theme that human society faces for a long time.In recent years, by the discharge of nitrogen oxides is made
Into atmosphere pollution it is increasingly severe.At present, the country 70% or so nitrogen oxides be as caused by coal combustion, and be used as master
The station boiler of coal combustion equipment and Industrial Boiler is wanted to turn into the necessary focus of attention of control discharged nitrous oxides institute from now on.
In order to reduce the content of the nitrogen oxides in waste gas, removing nitrogen oxides will be carried out before waste gas is discharged into air
Processing, the reducing agent such as generally use urea liquid or ammoniacal liquor carries out SNCR denitration processing to boiler, and reducing agent is stored in storage tank
In, injector is connected to by pump, valve and metering distributing equipment, reducing agent leads to after diluting and being atomized by compressed air
Overspray device, which is injected in boiler, completes denitration reaction.
But pumping plant influences system safety operation easily because impurity causes pipeline blockage in existing denitrating system, and
When system is out of service, working medium pours in down a chimney easily infringement equipment and pollutes working medium in pipeline；Meanwhile the gas in pipeline causes to centrifuge
Pump vibration, fault rate is high, service life is low, pressure transient and is difficult to be adjusted flexibly.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is：There is provided can stable operation in a kind of denitrification apparatus
High life and high flexibility compression module.
Technical scheme is used by the utility model：A kind of compression module of denitrification apparatus, includes soft water pressurized
Module and denitrification reducing agent pressurization submodule；The soft water pressurization submodule includes the first filter, the first multistage centrifugal
Pump, first pressure display device and the first non-return device, the entrance of first filter are soft water entrance, first mistake
The outlet of filter device is communicated to the entrance of the first non-return device, the outlet of first non-return device by the first centrifugal multistage pump multiple centrifugal pump
For soft water outlet, the outlet of first centrifugal multistage pump multiple centrifugal pump to first pressure display device；The denitrification reducing agent pressurization
Submodule includes the second filter, the second centrifugal multistage pump multiple centrifugal pump, second pressure display device and the second non-return device, and described
The entrance of two filters is denitrification reducing agent entrance, and the outlet of second filter is connected by the second centrifugal multistage pump multiple centrifugal pump
To the entrance of the second non-return device, the outlet of second non-return device exports for denitrification reducing agent, second multistage centrifugal
The outlet of pump is to second pressure display device.
Further, the first stable-pressure device is also included, the outlet of first centrifugal multistage pump multiple centrifugal pump passes through the first stable-pressure device
It is communicated to the entrance of the first centrifugal multistage pump multiple centrifugal pump.
Further, first stable-pressure device is counterbalance valve.
Further, first exhaust device is also included, the outlet of first filter to first exhaust device
Entrance, the outlet of the first exhaust device is exhaust outlet.
Further, the second stable-pressure device is also included, the outlet of second centrifugal multistage pump multiple centrifugal pump passes through the second stable-pressure device
It is communicated to the entrance of the second centrifugal multistage pump multiple centrifugal pump.
Further, second stable-pressure device is counterbalance valve.
Further, second exhaust device is also included, the outlet of second filter to second exhaust device
Entrance, the outlet of the second exhaust device is exhaust outlet.
Further, the casing of sheet metal structure is also included, the soft water entrance, soft water outlet, denitrification reducing agent enter
Mouth, denitrification reducing agent outlet, first pressure display device, second pressure display device may be contained within tank surface.
Further, the pipeline connection in the compression module uses stainless steel pipe.
The beneficial effects of the utility model are：By setting filter to avoid impurity from causing pipeline in each submodule block entrance
Blocking influences system safety operation, and prevents that working medium is poured in down a chimney easily in pipeline when system is out of service by non-return device realization
Infringement equipment simultaneously pollutes working medium；In addition, stable-pressure device also is set in each submodule, when the connecting line pressure mistake in compression module
When big, by starting stable-pressure device part working medium can be made to be back to centrifugal multistage pump multiple centrifugal pump, voltage stabilizing is played so as to discharge partial pressure
Effect；In each submodule, exhaust apparatus is set, before multistage centrifugal pump work, the bubble in pipeline of draining, reduce it is multistage from
The vibrations of heart pump, so as to reduce fault rate, increase its service life.
Brief description of the drawings
Fig. 1 is the utility model modular structure schematic diagram.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Reference picture 1, a kind of compression module of denitrification apparatus, include soft water pressurization submodule and denitrification reducing agent pressurized
Module；The soft water pressurization submodule includes the first filter 1, the first centrifugal multistage pump multiple centrifugal pump 2, first pressure display device 4
With the first non-return device 6, the entrance of first filter 1 is soft water entrance, and the outlet of first filter 1 passes through
First centrifugal multistage pump multiple centrifugal pump 2 is communicated to the entrance of the first non-return device 6, and the outlet of first non-return device 6 is soft water outlet, institute
The outlet of the first centrifugal multistage pump multiple centrifugal pump 2 is stated to first pressure display device 4；The denitrification reducing agent pressurization submodule includes
Second filter 7, the second centrifugal multistage pump multiple centrifugal pump 8, the non-return device 12 of second pressure display device 10 and second, second filtering
The entrance of device 7 is denitrification reducing agent entrance, and the outlet of second filter 7 is communicated to by the second centrifugal multistage pump multiple centrifugal pump 8
The entrance of second non-return device 12, the outlet of second non-return device 12 are denitrification reducing agent outlet, described second it is multistage from
The outlet of heart pump 8 is to second pressure display device 10.
By setting the first filter in soft water entrance, setting the second filter in denitrification reducing agent entrance, ensure
Working medium has removed impurity when entering inside compression module, avoids that impurity deposit in pipeline, fouling causes pipeline blockage, so that
Improve denitrating system safety in operation；By setting the first non-return device before soft water outlet, exporting it in denitrification reducing agent
The second non-return device of preceding setting, compression module can avoid working medium from pouring in down a chimney when denitrification apparatus is stopped, so as to avoid pressurizeing
Working medium in module is contaminated and equipment suffers damage.
Preferred embodiment is further used as, also includes the first stable-pressure device 3, first centrifugal multistage pump multiple centrifugal pump 2
Outlet is communicated to the entrance of the first centrifugal multistage pump multiple centrifugal pump 2 by the first stable-pressure device 3.
Preferred embodiment is further used as, first stable-pressure device 3 is counterbalance valve.
Preferred embodiment is further used as, also includes first exhaust device 5, first filter 1 goes out
Mouth is communicated to the entrance of first exhaust device 5, and the outlet of the first exhaust device 5 is exhaust outlet.
Preferred embodiment is further used as, also includes the second stable-pressure device 9, second centrifugal multistage pump multiple centrifugal pump 8
Outlet is communicated to the entrance of the second centrifugal multistage pump multiple centrifugal pump 8 by the second stable-pressure device 9.
Preferred embodiment is further used as, second stable-pressure device 9 is counterbalance valve.
Preferred embodiment is further used as, also includes second exhaust device 11, second filter 7 goes out
Mouth is communicated to the entrance of second exhaust device 11, and the outlet of the second exhaust device 11 is exhaust outlet.
Stable-pressure device is respectively provided with soft water pressurizes submodule and denitrification reducing agent pressurization submodule, when in compression module
When connecting line pressure is excessive, by starting stable-pressure device part working medium can be made to be back to centrifugal multistage pump multiple centrifugal pump, so as to discharge part
Pressure plays a part of voltage stabilizing；In addition also, it is respectively provided with exhaust in soft water pressurizes submodule and denitrification reducing agent pressurization submodule
Device, before multistage centrifugal pump work, the bubble in pipeline of draining, the vibrations of centrifugal multistage pump multiple centrifugal pump are reduced, so as to reduce failure
Rate, increase its service life.
Preferred embodiment is further used as, also includes the casing of sheet metal structure, the soft water entrance, soft water
Outlet, the outlet of denitrification reducing agent entrance, denitrification reducing agent, first pressure display device 4, second pressure display device 10 are respectively provided with
In tank surface.
Casing using sheet metal structural it is attractive and durable, soft water pressurization submodule and denitrification reducing agent pressurization submodule it is each go out
Incoming interface is arranged at tank surface, and installation operation machine is simple, and the pressure for being arranged at tank surface shows and can be achieved to see in real time
Examine, in order to the flexible modulation to stable-pressure device.
Preferred embodiment is further used as, the pipeline connection in the compression module uses stainless steel pipe.
Above is preferably implement to be illustrated to of the present utility model, but the utility model is created and is not limited to institute
State embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With conversion or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
- A kind of 1. compression module of denitrification apparatus, it is characterised in that：Include soft water pressurization submodule and denitrification reducing agent pressurization Submodule；Soft water pressurization submodule include the first filter, the first centrifugal multistage pump multiple centrifugal pump, first pressure display device and First non-return device, the entrance of first filter is soft water entrance, and the outlet of first filter passes through first Centrifugal multistage pump multiple centrifugal pump is communicated to the entrance of the first non-return device, and the outlet of first non-return device is soft water outlet, and described first The outlet of centrifugal multistage pump multiple centrifugal pump is to first pressure display device；The denitrification reducing agent pressurization submodule includes the second filtering Device, the second centrifugal multistage pump multiple centrifugal pump, second pressure display device and the second non-return device, the entrance of second filter is de- Nitre reducing agent entrance, the outlet of second filter are communicated to entering for the second non-return device by the second centrifugal multistage pump multiple centrifugal pump Mouthful, the outlet of second non-return device is denitrification reducing agent outlet, the outlet of second centrifugal multistage pump multiple centrifugal pump to second Pressure-display device.
- A kind of 2. compression module of denitrification apparatus according to claim 1, it is characterised in that：Also include the first voltage stabilizing dress Put, the outlet of first centrifugal multistage pump multiple centrifugal pump is communicated to the entrance of the first centrifugal multistage pump multiple centrifugal pump by the first stable-pressure device.
- A kind of 3. compression module of denitrification apparatus according to claim 2, it is characterised in that：First stable-pressure device is Counterbalance valve.
- A kind of 4. compression module of denitrification apparatus according to claim 1, it is characterised in that：Also include first exhaust dress Put, for the outlet of first filter to the entrance of first exhaust device, the outlet of the first exhaust device is row Gas port.
- A kind of 5. compression module of denitrification apparatus according to claim 1, it is characterised in that：Also include the second voltage stabilizing dress Put, the outlet of second centrifugal multistage pump multiple centrifugal pump is communicated to the entrance of the second centrifugal multistage pump multiple centrifugal pump by the second stable-pressure device.
- A kind of 6. compression module of denitrification apparatus according to claim 5, it is characterised in that：Second stable-pressure device is Counterbalance valve.
- A kind of 7. compression module of denitrification apparatus according to claim 1, it is characterised in that：Also include second exhaust dress Put, for the outlet of second filter to the entrance of second exhaust device, the outlet of the second exhaust device is row Gas port.
- A kind of 8. compression module of denitrification apparatus according to claim 1, it is characterised in that：Also include sheet metal knot The casing of structure, the soft water entrance, soft water outlet, denitrification reducing agent entrance, denitrification reducing agent outlet, first pressure display dress Put, second pressure display device may be contained within tank surface.
- A kind of 9. compression module of denitrification apparatus according to claim 1, it is characterised in that：Pipeline in the compression module Connection uses stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417897.7U CN206746295U (en) | 2017-04-20 | 2017-04-20 | A kind of compression module of denitrification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417897.7U CN206746295U (en) | 2017-04-20 | 2017-04-20 | A kind of compression module of denitrification apparatus |
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| Publication Number | Publication Date |
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| CN206746295U true CN206746295U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720417897.7U Active CN206746295U (en) | 2017-04-20 | 2017-04-20 | A kind of compression module of denitrification apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720741A (en) * | 2020-06-30 | 2020-09-29 | 中国神华能源股份有限公司国华电力分公司 | Urea solution conveying equipment |
-
2017
- 2017-04-20 CN CN201720417897.7U patent/CN206746295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720741A (en) * | 2020-06-30 | 2020-09-29 | 中国神华能源股份有限公司国华电力分公司 | Urea solution conveying equipment |
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