CN207871785U - A kind of simple flue gas cool-down and desulfurizer - Google Patents
A kind of simple flue gas cool-down and desulfurizer Download PDFInfo
- Publication number
- CN207871785U CN207871785U CN201720956776.XU CN201720956776U CN207871785U CN 207871785 U CN207871785 U CN 207871785U CN 201720956776 U CN201720956776 U CN 201720956776U CN 207871785 U CN207871785 U CN 207871785U
- Authority
- CN
- China
- Prior art keywords
- flue
- temperature
- flue gas
- cool
- temperature sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Chimneys And Flues (AREA)
Abstract
A kind of simple flue gas cool-down of the utility model offer and desulfurizer, described device includes flue, at least one temperature sensor, controller, solenoid valve and several cool water shower heads, the temperature for detecting flue gas in flue is arranged on the inner wall of flue in the temperature sensor, the cool water shower head is set to the inner wall of flue along flue gas direction of feed, the start and stop of solenoid valve control cool water shower head, controller respectively with temperature sensor, solenoid valve is electrically connected, the flue-gas temperature of controller comparison temperature sensor acquisition sends control signal with the temperature threshold that it prestores and to corresponding solenoid valve.The utility model advantage is：Pass through the temperature of temperature sensor detection gas, the spraying intensity of cool water shower head quantity and cooling water is selectively turned under the control of the controller, with certain gas sweetening effect while flue gas spraying cooling, device is simple, and environmental protection and energy saving, flue gas cool-down effect are good.
Description
Technical field
The utility model relates to fume treatment technical field more particularly to a kind of simple flue gas cool-down and desulfurizer.
Background technology
At present in some factories, a large amount of exhaust gas will produce in process of production, being directly discharged into air can bring largely
Environmental pollution, for example dust, impurity, pernicious gas sulfur dioxide etc., can cause the pollution of air, therefore enter sky in air-flow
It has to be dusted purification process before gas.
And when largely flue gas is just discharged from the cigarette stove of boiler, combustion chamber, the temperature of flue gas is generally on 220 DEG C of left sides
The right side, if this high-temperature gas is passed directly in flue-gas dust removal and purification equipment, to the damage of the parts in dust separation device
Wound is especially severe, is especially damaged to the circuit of electrical equipment.Existing frequently-used gas cooling system mostly uses compressor
Or steam-refrigerated machine, it is too high using the above equipment energy consumption, and device structure is complicated, and use cost is high, and in exhaust gas
Sour gas can also cause larger damage to equipment, be not suitable for the exhaust gas cooling of big flow.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple flue gas cool-down and desulfurizer, solves existing
Some flue gas cool-down high energy consumptions, use cost are high, and cooling system is complicated, the sour gas damage being vulnerable in flue gas,
The problem of influencing the normal work of equipment.
The utility model is realized in this way：A kind of simple flue gas cool-down and desulfurizer, described device include fume pipe
Road, at least one temperature sensor, controller, solenoid valve and several cool water shower heads, the temperature sensor are arranged in cigarette
Temperature on the inner wall of feed channel for detecting flue gas in flue, the cool water shower head are arranged along flue gas direction of feed
In the inner wall of flue, the start and stop of solenoid valve control cool water shower head, controller is electric with temperature sensor, solenoid valve respectively
The flue-gas temperature of connection, the acquisition of controller comparison temperature sensor is sent with the temperature threshold that it prestores and to corresponding solenoid valve
Control signal.
Further, the quantity of temperature sensor described in the utility model and cool water shower head is two, the first temperature
Degree sensor and the first cool water shower head are arranged at the air inlet of flue, and the first temperature sensor is for detecting air inlet
The temperature of flue gas at mouthful, the first cool water shower head are used for the flue spraying cooling water at air inlet；Second temperature passes
Sensor and the second cool water shower head are arranged at the middle part of flue, and second temperature sensor is used to detect the temperature of middle part flue gas
Degree, the second cool water shower head are used for the flue spraying cooling water to middle part.
Further, several cool water shower heads described in the utility model are axially uniformly arranged on one along flue pipe wall
On straight line.
Further, the utility model is it is characterized in that, the material of the flue and cool water shower head is stainless
Steel.
Further, thermal insulation layer has been located on the outer wall of flue described in the utility model, the thermal insulation layer is by heat-insulated
Cotton at.
The utility model has the following advantages that：A kind of simple flue gas cool-down and desulfurizer are provided, temperature sensor is passed through
The real time temperature of detection gas selectively turns on the spraying intensity of cool water shower head quantity and cooling water, and in cigarette
Subsidiary certain gas sweetening effect in temperature-fall period is drenched in gas blowout, and device is simple, and environmental protection and energy saving, flue gas cool-down effect are good.
Description of the drawings
Fig. 1 is a kind of simple flue gas cool-down of the utility model and one embodiment schematic cross-sectional view of desulfurizer；
Fig. 2 is a kind of simple flue gas cool-down of the utility model and another embodiment schematic cross-sectional view of desulfurizer；
Fig. 3 is a kind of simple flue gas cool-down of the utility model and one embodiment side structure schematic view of desulfurizer；
Reference sign：
1, flue；
2, temperature sensor；
3, cool water shower head；
4, thermal insulation layer；
5, cooling water.
Specific implementation mode
For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
It please refers to Fig.1 to Fig.3, the utility model is realized in this way：A kind of simple flue gas cool-down and desulfurizer, it is described
Device includes flue 1, at least one temperature sensor 2, controller, solenoid valve and several cool water shower heads, the temperature
The temperature for detecting flue gas in flue 1, the cool water shower is arranged on the inner wall of flue 1 in degree sensor 2
Head is set to the inner wall of flue 1, the start and stop of solenoid valve control cool water shower head, controller difference along flue gas direction of feed
It is electrically connected with temperature sensor 2, solenoid valve, the temperature that the flue-gas temperature that controller comparison temperature sensor 2 acquires prestores with it
Threshold value simultaneously sends control signal to corresponding solenoid valve.Cooling circulation passage of the flue 1 as high-temperature flue gas, flue gas cooling
Process carries out in exhaust gases passes, the exhaust gases passes can with boiler, combustion chamber or any required gas to discharge into
The exhaust outlet of the equipment of row cooling is connected to.Temperature sensor refers to the biography that can be experienced temperature and be converted into usable output signal
Sensor.Solenoid valve (not shown) is electromagnetically controlled industrial equipment, is the automatic foundamental element for controlling fluid, belongs to
Actuator, however it is not limited to hydraulic pressure, pneumatic.Direction, flow, speed and the other ginsengs of medium are adjusted in industrial control system
Number.Cool water shower head is for spraying water mist into the flue gas for wait for cooling down, to achieve the purpose that cool.Controller
Core decision component of the (not shown) as whole device, the temperature that the flue-gas temperature that comparison temperature sensor 2 acquires prestores with it
It spends threshold value and sends control signal to corresponding solenoid valve.
The temperature threshold to prestore in controller can be divided into three threshold values；First threshold is 220 DEG C, works as temperature sensor
When 2 collected flue-gas temperatures are more than first threshold, controller control solenoid valve opens all cool water shower heads, to reach
The purpose quickly and effectively to cool down；Second threshold is 180 DEG C, when 2 collected flue-gas temperature of temperature sensor is more than second threshold
When and less than first threshold when, controller control solenoid valve open 2/3rds cool water shower head；Third threshold value is taken the photograph for 140
Family name's degree, when 2 collected flue-gas temperature of temperature sensor is more than third threshold value and less than second threshold, controller control electricity
Magnet valve open one third cool water shower head, when 2 collected flue-gas temperature of temperature sensor be less than third threshold value, do not open
Cool water shower head is opened, the flue gas at a temperature of this can take cooling measure.In preferred embodiment, controller passes through solenoid valve
Whether controlling the unlatching of cool water shower head, the actual flow size of flue gas is can be combined with to be selected, in flue 1
Gas flowmeter is set at air inlet, when the flow of gas is big and temperature is more than first threshold constantly, opens all cooling waters
Spray head simultaneously opens to the maximum spraying intensity, to achieve the effect that be quickly cooled down cooling, when the big temperature of the flow of gas is less than the
When one threshold value is more than second threshold, opens 2/3rds cool water shower head and open to the maximum spraying intensity.And then reach
Automate the purpose that is cooled down to flue gas, it is good cooling results, easy to operate.
It is as shown in Figure 1, in certain specific embodiments, a large amount of high-temperature flue gas that is generated after fuel combustion in boiler
It is discharged into exhaust gases passes by the exhaust outlet of boiler, the temperature sensor 2 being arranged on the inner wall of flue 1 detects flue gas
The temperature of flue gas and the flue-gas temperature detected is fed back in controller in pipeline 1, controller compares comparison temperature sensor 2
The temperature threshold that the flue-gas temperature of acquisition prestores with it, after by such as above-mentioned controller temperature comparison procedure, to corresponding
Solenoid valve sends control signal, selects the quantity and spraying intensity of the cool water shower head opened.In flue gas greatly there may be
There is sulfur dioxide gas, during flue gas spraying cooling, cool water shower can also play certain desulfidation, collection cooling
In one, device practicability is extremely strong for desulfurization.And it is not necessarily to that discharge outlet is arranged in the present invention, it is warm after flue gas spraying cooling
Also at 100 DEG C or more, cooling water 5 all exists degree in vapour form, flue 1 can be discharged together with flue gas.
Referring to Fig. 2, in further embodiment, temperature sensor 2 and cool water shower head described in the utility model
Quantity is two, and the first temperature sensor 2 and the first cool water shower head are arranged at the air inlet of flue 1, and first
Temperature sensor 2 is used to detect the temperature of flue gas at air inlet, and the first cool water shower head is used for the fume pipe at air inlet
1 spraying cooling water 5 of road；Second temperature sensor 2 and the second cool water shower head are arranged in the middle part of flue 1, the second temperature
Degree sensor 2 is used to detect the temperature of middle part flue gas, and the second cool water shower head is used for 1 spraying cooling of flue to middle part
Water 5.It is advantageous in that using the above structure, when flue gas from air inlet from entering in flue 1, the first temperature sensor 2
It first acquires the temperature of flue gas and feeds back in controller, the flue-gas temperature that controller comparison temperature sensor 2 acquires prestores with it
Temperature threshold, judge whether to need to open cool water shower head and cool down；When flue gas needs cooling, the first cooling is opened
Water spray head cools down to flue gas.When flow of flue gas is to 1 middle part of flue, second temperature sensor 2 acquires the temperature of flue gas
It spends and feeds back in controller, the temperature threshold that the flue-gas temperature that controller comparison temperature sensor 2 acquires prestores with it judges
Whether need unlatching cool water shower head to cool down, when flue gas needs cooling, opens the second cool water shower head to flue gas
Cool down；When flue gas need not cool down, flue 1 directly is discharged in flue gas.It can be cooled down according to choosing whether to open
Water spray head carries out flue gas cool-down, is conducive to energy conservation and environmental protection.
As shown in Figure 1, in preferred embodiment, the first temperature sensor 2 is arranged at the air inlet of flue 1,
Second temperature sensor 2 is arranged at the middle part of flue 1, the fume pipe between 2 second sensor of the first temperature sensor
First cool water shower head group is set on 1 inner wall of road, is arranged second on 1 inner wall of flue after second temperature sensor 2
Cool water shower head group, the quantity at least two of cool water shower head in the cool water shower head group, setting cooling water spray
The purpose of leaching head group is, prevents the excessively high flue gas flow of the temperature of flue gas excessive, and two cool water shower heads, which are only arranged, to be reached
To good cooling effect, setting cool water shower head group is to ensure the cooling effect of flue gas.
It please refers to Fig.1 and Fig. 3, in further embodiment, several cool water shower heads described in the utility model are along flue gas
1 inner wall of pipeline is axially uniformly arranged point-blank.Several cool water shower heads are axially uniformly arranged along 1 inner wall of flue
Point-blank enable to the cooling water 5 of spray more uniform, the region of each cool water shower head spray is not in
Large area is superimposed, and is ensured that flue gas can realize whole spraying cooling in 1 flow process of flue, is improved to greatest extent cold
But cooling-down effect, cool water shower header structure are arranged more aesthetically pleasing generous.
In further embodiment, the utility model it is characterized in that, the flue 1 and cool water shower head material
Matter is stainless steel.Stainless steel is the abbreviation of stainless acid resistant steel, the weak corrosive medium such as resistance to air, steam, water or with rustless property
Steel grade is known as stainless steel, and high, the heat safe characteristic with intensity.Flue 1, cool water shower head connect with water mist for a long time
It touches, and needs to work at high temperature, therefore manufacture and need high temperature resistant, corrosion-resistant in selection, use stainless steel in the present embodiment
Material makes.
As described in Fig. 1 to Fig. 3, in further embodiment, it is located on the outer wall of flue 1 described in the utility model
There are thermal insulation layer 4, the thermal insulation layer 4 to be made of heat insulation foam.High-temperature flue gas flows in flue 1, under the action of heat transfer
The temperature of flue 1 is also very high, and the setting of thermal insulation layer 4 can play the generation that protection user will not be scalded by pipeline.
The features such as heat insulation foam has high temperature resistant, nonflammable, and thermal coefficient is low.
The utility model has the following advantages that：By the real time temperature of temperature sensor detection gas, selectively turn on
The spraying intensity of cool water shower head quantity and cooling water, and subsidiary certain gas is de- during flue gas spraying cooling
Sulphur effect, device is simple, and environmental protection and energy saving, flue gas cool-down effect are good.
The above description is only the embodiments of the present invention, is not intended to limit the scope of patent protection of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of simple flue gas cool-down and desulfurizer, which is characterized in that described device includes flue, at least one temperature
Sensor, controller, solenoid valve and several cool water shower heads, the temperature sensor is arranged to be used on the inner wall of flue
In the temperature of flue gas in detection flue, the cool water shower head is set to along flue gas direction of feed in flue
Wall, the start and stop of solenoid valve control cool water shower head, controller are electrically connected with temperature sensor, solenoid valve respectively, controller ratio
Flue-gas temperature compared with temperature sensor acquisition with the temperature threshold that it prestores and gives corresponding solenoid valve transmission control signal.
2. simple flue gas cool-down according to claim 1 and desulfurizer, which is characterized in that the temperature sensor and cold
But the quantity of water spray head is two, and the air inlet in flue is arranged in the first temperature sensor and the first cool water shower head
At mouthful, the first temperature sensor is used to detect the temperature of flue gas at air inlet, and the first cool water shower head is used for at air inlet
Flue spraying cooling water；Second temperature sensor and the second cool water shower head are arranged at the middle part of flue, the
Two temperature sensors are used to detect the temperature of middle part flue gas, and the second cool water shower head is used to spray to the flue at middle part cold
But water.
3. simple flue gas cool-down according to claim 1 and desulfurizer, which is characterized in that several cool water showers
Head is axially uniformly arranged point-blank along flue pipe wall.
4. according to the simple flue gas cool-down of claim 1-3 any one of them and desulfurizer, which is characterized in that the fume pipe
The material of road and cool water shower head is stainless steel.
5. simple flue gas cool-down according to claim 4 and desulfurizer, which is characterized in that the outer wall of the flue
On be located at thermal insulation layer, the thermal insulation layer is made of heat insulation foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956776.XU CN207871785U (en) | 2017-08-02 | 2017-08-02 | A kind of simple flue gas cool-down and desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956776.XU CN207871785U (en) | 2017-08-02 | 2017-08-02 | A kind of simple flue gas cool-down and desulfurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207871785U true CN207871785U (en) | 2018-09-18 |
Family
ID=63499285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720956776.XU Active CN207871785U (en) | 2017-08-02 | 2017-08-02 | A kind of simple flue gas cool-down and desulfurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207871785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701358A (en) * | 2020-06-10 | 2020-09-25 | 杭州富丽达热电有限公司 | Coal-fired boiler tail gas treatment and discharge system and method |
| WO2022061694A1 (en) * | 2020-09-23 | 2022-03-31 | 绍兴君合新材料科技有限公司 | Electrical control system for high-temperature industrial waste gas treatment apparatus |
-
2017
- 2017-08-02 CN CN201720956776.XU patent/CN207871785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701358A (en) * | 2020-06-10 | 2020-09-25 | 杭州富丽达热电有限公司 | Coal-fired boiler tail gas treatment and discharge system and method |
| WO2022061694A1 (en) * | 2020-09-23 | 2022-03-31 | 绍兴君合新材料科技有限公司 | Electrical control system for high-temperature industrial waste gas treatment apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206310919U (en) | A kind of ceramic metallization atmosphere sintering furnace | |
| CN105662130B (en) | Steaming equipment is recycled in a kind of steam pressure, temperature-controllable thermal energy | |
| CN207871785U (en) | A kind of simple flue gas cool-down and desulfurizer | |
| CN102607010A (en) | Composite phase-change heat exchange system | |
| CN106090971A (en) | A kind of combined steam flue gas MGGH system and method | |
| CN106123002A (en) | A kind of flue gas MGGH system and method using condensation water heat exchange | |
| CN108344180A (en) | Condensing gas heating stove | |
| JP5370807B2 (en) | Latent heat recovery water heater | |
| CN205316350U (en) | Use double -valve structure's RTO system | |
| CN206478620U (en) | Control the robot control system(RCS) of exhaust gas temperature | |
| CN104315496B (en) | Based on etc. temperature difference principle boiler exhaust gas residual neat recovering system | |
| CN103638784B (en) | A kind of external heated type wet flue gas dehumanization method and dehumidification system | |
| CN206257687U (en) | A kind of combined steam flue gas MGGH systems | |
| KR20110052341A (en) | Economizer of ship with automatic soot blower | |
| CN207019338U (en) | The wet waste gas residual heat high efficiente callback of heat and the economic benefits and social benefits open absorption heat pump device utilized | |
| CN204943883U (en) | A kind of heating boiler of hot tail gas Heat Treatment device | |
| CN210319981U (en) | System for utilize boiler of thermal power plant to arrange heat energy and heat electric precipitation body in succession | |
| CN107228485A (en) | A kind of carbon dioxide heat pump system and control method | |
| CN209237664U (en) | Zero gas consumption sprays absorption type regeneration dryer | |
| CN209415486U (en) | A kind of soot blower system that steam/compressed air automatically switches | |
| CN209706015U (en) | A kind of energy-saving steam generating system | |
| CN209068776U (en) | Drainage device and hanging stove | |
| CN207231290U (en) | A kind of heat pipe heat exchanging system for high-temperature forming machine waste heat recovery | |
| CN205980437U (en) | A emptying devices for heat pump | |
| CN207527686U (en) | A kind of water-heating system using steam condensate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |