CN110102155A - The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system - Google Patents

The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system Download PDF

Info

Publication number
CN110102155A
CN110102155A CN201910477502.6A CN201910477502A CN110102155A CN 110102155 A CN110102155 A CN 110102155A CN 201910477502 A CN201910477502 A CN 201910477502A CN 110102155 A CN110102155 A CN 110102155A
Authority
CN
China
Prior art keywords
sensor
water
naoh
liquid pool
neutralization pond
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.)
Pending
Application number
CN201910477502.6A
Other languages
Chinese (zh)
Inventor
李强
闫雨田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi North Human Settlement Environment Technology Co Ltd
Original Assignee
Shaanxi North Human Settlement Environment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi North Human Settlement Environment Technology Co Ltd filed Critical Shaanxi North Human Settlement Environment Technology Co Ltd
Priority to CN201910477502.6A priority Critical patent/CN110102155A/en
Publication of CN110102155A publication Critical patent/CN110102155A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/30Alkali metal compounds
    • B01D2251/304Alkali metal compounds of sodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/604Hydroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The present invention relates to smoke comprehensive process fields, more particularly to being a kind of detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system includes air inlet pipe, exhaust gases passes and NaOH water tank, pH value controller, pH sensor and neutralization pond, air inlet pipe is connected to the inlet end of exhaust gases passes, NaOH water tank is connected to by the second connecting tube with exhaust gases passes, exhaust gases passes bottom is provided with the water-soluble liquid pool of NaOH, pH value controller is connect by transmission line with pH sensor and solenoid valve, first inlet of neutralization pond is connected to by overflow pipe with the overflow port of the water-soluble liquid pool of NaOH, second inlet of neutralization pond is connected to a condensate pipe.Pass through the real value monitoring of structures being made of NaOH water tank, the water-soluble liquid pool of NaOH, pH value controller, pH sensor and neutralization pond, pH value controller passes through the pH value of pH sensor real-time monitoring NaOH water-soluble liquid pool and neutralization pond, when fluctuating by the flow of solenoid valve control NaOH water tank, it is allowed to the dynamic equilibrium of one, whole system region.

Description

The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system
Technical field
The present invention relates to smoke comprehensive process fields, and in particular to is a kind of natural gas boiler condensed water pH real value detection And waste water neutralisation treatment exhaust system.
Background technique
As natural gas condensing boiler is promoted the use of, contain NO in the flue gas of discharge2Equal sour gas, cause environment Certain harm can be adsorbed and be removed to sour gas by spraying some alkaline solutions at present, but actually be made Do not accomplish that pH real value detects in, whole system is caused to be unable to reach dynamic equilibrium, does not make unification to waste liquid after neutralization yet Processing, is not easy to manage.
Summary of the invention
The present invention, which is directed to, can adsorb and remove to sour gas by spraying some alkaline solutions at present, but Do not accomplish that pH real value detects in actual use, whole system is caused to be unable to reach dynamic equilibrium, not to waste liquid after neutralization yet The problem of being uniformly processed, being not easy to management provides in a kind of detection of natural gas boiler condensed water pH real value and waste water and locates Manage exhaust system.
The present invention solves above-mentioned technical problem, the technical solution adopted is that, the detection of natural gas boiler condensed water pH real value And waste water neutralisation treatment exhaust system include air inlet pipe, exhaust gases passes and NaOH water tank, pH value controller, pH sensor and in And pond, air inlet pipe are connected to the inlet end of exhaust gases passes, NaOH water tank is connected to by the second connecting tube with exhaust gases passes, and flue gas is logical Road bottom is provided with the water-soluble liquid pool of NaOH, and pH value controller is connect by transmission line with pH sensor and solenoid valve, and pH value passes Sensor is set in the water-soluble liquid pool of NaOH and neutralization pond, and solenoid valve is set in the second connecting tube, and the first inlet of neutralization pond passes through Overflow pipe is connected to the overflow port of the water-soluble liquid pool of NaOH, and the second inlet of neutralization pond is connected to a condensate pipe.
Further, the inlet of NaOH water tank is connected to NaOH supplement liquid pipe, and the leakage fluid dram and sewage pipe of neutralization pond connect It is logical.
Further, pH sensor includes the first pH sensor and the second pH sensor, the first pH sensor In the water-soluble liquid pool of NaOH, the second pH sensor is set in neutralization pond.
Further, pH value controller model SIN-pH3.0, the first pH sensor and the second pH sensor are Tetra- fluoride electrode of pH.
Optionally, first pH sensor one end is perforated from the pool wall of the water-soluble liquid pool of NaOH is inserted into the water-soluble liquid pool of NaOH Interior, the first pH sensor other end is connect with transmission line, and the probe of the first pH sensor is located in the water-soluble liquid pool of NaOH.
Optionally, perforation inner wall is provided with water proof set made of acid and alkali-resistance material.
Optionally, the second pH sensor is soaked in neutralization pond, and second pH sensor one end is connect with transmission line, the The two pH sensor other ends are socketed with protective cover, and the probe of the second pH sensor is located in protective cover.
Optionally, protective cover is horn structure, and stub end is equipped with opening, and microcephaly end is socketed in the company of the second pH sensor On joint chair.
Beneficial effects of the present invention include at least following one;
1, it is examined by the real value being made of NaOH water tank, the water-soluble liquid pool of NaOH, pH value controller, pH sensor and neutralization pond Geodesic structure, pH value controller pass through the pH value of pH sensor real-time detection NaOH water-soluble liquid pool and neutralization pond, are fluctuating When by the flow of solenoid valve control NaOH water tank, be allowed to the dynamic equilibrium of one, whole system region.
2, by the water-soluble liquid pool of NaOH, neutralization pond and overflow pipe, liquid extra in the water-soluble liquid pool of NaOH is passed through into overflow Pipe imports neutralization pond and carries out neutralization reaction with the acid condensate water imported from a condensate pipe, is arranged after reaching discharge standard It puts.
3, solving can be adsorbed and be removed to sour gas by spraying some alkaline solutions at present, but in reality Border does not accomplish that pH real value detects in, causes whole system to be unable to reach dynamic equilibrium, does not make to waste liquid after neutralization yet The problem of being uniformly processed, being not easy to management.
Detailed description of the invention
Fig. 1 is the detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system structural schematic diagram;
Fig. 2 is a kind of pH sensor structural schematic diagram;
Fig. 3 is another pH sensor structural schematic diagram;
Fig. 4 is that flue gas heat-exchange system and NO are increased on the basis of Fig. 12The structural schematic diagram of spray-absorption system;
Fig. 5 is heat pump unit structural schematic diagram;
In the figure, it is marked as 1 being air inlet pipe, 2 being exhaust gases passes, 3 be water fender, 4 be NaOH water tank, 5 being the water-soluble liquid pool of NaOH, 6 For heat pump unit, 7 be neutralization pond, 8 be pH value controller, 9 be first group of nozzle, 10 be second group of nozzle, 11 be third group spray Mouth, 12 be the first connecting tube, 13 be the second connecting tube, 14 be NaOH supplement liquid pipe, 15 be solenoid valve, 16 be condenser feed liquor Pipe, 17 be the first drain pipe, 18 be condenser drain pipe, 19 be the first pH sensor, 20 be the second pH sensor, 21 be Overflow pipe, 22 be condenser, 23 be evaporator, 24 be throttle valve, 25 be compressor, 32 be pH sensor, 33 be transmission line, 34 it is perforation, 35 be water proof set, 36 be probe, 37 be attachment base, 38 is protective cover.
Specific embodiment
It is clear in order to enable the objectives, technical solutions, and advantages of the present invention to be more clear, below in conjunction with attached drawing and implementation The present invention will be described in further detail for example.It should be appreciated that specific embodiment described herein is only used to explain this hair It is bright, it is not intended to limit the present invention protection content.
As shown in Figure 1, the detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system include air inlet Pipe 1, exhaust gases passes 2 and NaOH water tank 4, pH value controller 8, pH sensor 32 and neutralization pond 7, air inlet pipe 1 and exhaust gases passes 2 Inlet end connection, NaOH water tank 4 is connected to by the second connecting tube 13 with exhaust gases passes 2, and 2 bottom of exhaust gases passes is provided with NaOH Water-soluble liquid pool 5, pH value controller 8 are connect by transmission line 33 with pH sensor 32 and solenoid valve 15, and pH sensor 32 is set In in the water-soluble liquid pool 5 of NaOH and neutralization pond 7, solenoid valve 15 is set in the second connecting tube 13, and the first inlet of neutralization pond 7 passes through Overflow pipe 21 is connected to the overflow port of the water-soluble liquid pool 5 of NaOH, and the second inlet of neutralization pond 7 is connected to a condensate pipe 4.
In use, by being made of NaOH water tank, the water-soluble liquid pool of NaOH, pH value controller, pH sensor and neutralization pond Real value detection structure, pH value controller by the pH value of pH sensor real-time detection NaOH water-soluble liquid pool and neutralization pond, When fluctuating by the flow of solenoid valve control NaOH water tank, it is allowed to the dynamic equilibrium of one, whole system region.Pass through The water-soluble liquid pool of NaOH, neutralization pond and overflow pipe, by liquid extra in the water-soluble liquid pool of NaOH by overflow pipe import neutralization pond with The acid condensate water imported from a condensate pipe carries out neutralization reaction, is discharged after reaching discharge standard.It solves at present Sour gas can be adsorbed and be removed by spraying some alkaline solutions, but not accomplish pH reality in actual use Duration detection, causes whole system to be unable to reach dynamic equilibrium, waste liquid after neutralization is not also uniformly processed, is not easy to management Problem.
In the present embodiment, the inlet of NaOH water tank 4 is connected to NaOH supplement liquid pipe 14, the leakage fluid dram of neutralization pond 7 and row Dirty pipe 22 is connected to, and the leakage fluid dram of the water-soluble liquid pool 5 of NaOH is connected to the first drain pipe, and wherein NaOH replenisher pipe is for supplementing NaOH The NaOH aqueous solution consumed in water tank, sewage pipe are used to the waste liquid being more than after neutralization reaction carrying out uniform effluent.
In the present embodiment, as shown in Fig. 2, 8 model SIN-pH3.0 of pH value controller, the first pH sensor 19 and Two pH sensors 20 are tetra- fluoride electrode of pH, and pH sensor 32 includes the first pH sensor 19 and the second pH sensor 20, the first pH sensor 19 is set in the water-soluble liquid pool 5 of NaOH, and the second pH sensor 20 is set in neutralization pond 7.First pH value 19 one end of sensor is perforated from the pool wall of the water-soluble liquid pool 5 of NaOH in the 34 insertion water-soluble liquid pools 5 of NaOH, the first pH sensor 19 The other end is connect with transmission line 33, and the probe 36 of the first pH sensor 19 is located in the water-soluble liquid pool 5 of NaOH.34 inner walls of perforating are set It is equipped with the set of water proof made of acid and alkali-resistance material 35.
Label " 32 " is pH sensor in Fig. 2, can may be in actual use for the first pH sensor Two pH sensors are sentenced the first pH sensor to describe this and are stated, and pH value controller 8 monitors the first pH value in real time 20 numerical value of sensor 19 and the second pH sensor, when slant acidity in the water-soluble liquid pool of NaOH, control solenoid valve is improved from NaOH Water tank is input to the NaOH solution flow of the water-soluble liquid pool of NaOH, and when meta-alkalescence in the water-soluble liquid pool of NaOH, control solenoid valve is reduced The NaOH solution flow of the water-soluble liquid pool of NaOH is input to from NaOH water tank, when slant acidity in neutralization pond, control solenoid valve is improved The NaOH solution flow of the water-soluble liquid pool of NaOH is input to from NaOH water tank, from overflow pipe to enter neutralization pond neutral and alkali molten to increase Liquid measure, when meta-alkalescence in neutralization pond, control solenoid valve reduces the NaOH solution that the water-soluble liquid pool of NaOH is input to from NaOH water tank Flow enters neutralization pond neutral and alkali amount of solution to reduce from overflow pipe, or increases a condensed water inlet.
The probe segment of first pH sensor is inserted into the water-soluble liquid pool of NaOH, due to the pool wall in the water-soluble liquid pool of NaOH On be provided with perforation, and in perforation be arranged acid and alkali-resistance material made of water proof set, the first pH sensor can be effectively prevent The phenomenon that being to shake in real-time detection, the collision of the pool wall of probe segment and the water-soluble liquid pool of NaOH is caused to damage, The water proof set made of acid and alkali-resistance material is able to bear NaOH aqueous corrosion simultaneously, and prevents liquid from therefrom leaking, testing number Value is delivered to pH value controller by transmission line.
In the present embodiment, as shown in figure 3, the second pH sensor 20 is soaked in neutralization pond 7, the second pH sensor 20 One end is connect with transmission line 33, and 20 other end of the second pH sensor is socketed with protective cover 38, the spy of the second pH sensor 20 First 36 are located in protective cover 38.Protective cover 38 is horn structure, and stub end is equipped with opening, and microcephaly end is socketed in the second pH value sensing On the attachment base 37 of device 20.
Label " 32 " is pH sensor in Fig. 3, can may be in actual use for the first pH sensor Two pH sensors are sentenced the second pH sensor to describe this and are stated, the second pH sensor is immersed in neutralization In the neutralizer in pond, since the probe in the second pH sensor is located in protective cover, in floating will not because of in collision and Pond inner wall causes probe to damage, while in order to improve liquid interaction in protective cover, sensor overall sensitivity is improved, in protective cover On open up through-hole, be allowed to outside liquid it is more convenient enter protective cover in.
It is cold in natural gas boiler in order to further remove sour gas and the flue gas heat exchange in flue gas in the present embodiment Increase NO on the basis of the detection of condensate pH real value and waste water neutralisation treatment exhaust system2Spray-absorption system and flue gas heat exchange System is provided with nozzle in the middle part of exhaust gases passes 2 as shown in Figure 4 and Figure 5.First drain pipe, 17 one end and the water-soluble liquid pool 5 of NaOH Leakage fluid dram connection, the other end are connected to heat pump unit 6, and the first connecting tube 12 is connected to heat pump unit 6, after completing heat exchange Liquid is delivered to nozzle, and condenser inlet tube 16 and condenser drain pipe 18 are connected to heat pump unit 6, on exhaust gases passes 2 Portion is provided with water fender 3.
Pass through NO2The NaOH water mist that spray-absorption system is ejected absorbs natural gas condensing boiler flue gas.It is logical Flue gas heat-exchange system is crossed to spray-absorption NO2Aqueous solution afterwards cools down, and is allowed to temperature decline, realizes recuperation of heat.
Since whole system has heat recovery function, smog discharge temperature is greatly lowered, cold air and discharge flue gas temperature Difference is simultaneously little, therefore natural gas boiler burner can suitably increase air inlet amount, improve excess air factor, be conducive to fire Gas completely burned, CO in flue gas2And NO2Content ratio rises, the decline of CO and NO content ratio, and because passes through NO2Spray-absorption System is by NO2It is dissolved in water and is reacted with NaOH, flue gas nitrogen oxide discharge is greatly lowered to realize.
Its reaction equation are as follows:
3NO2+H20=2HNO3+NO
2NO2+2NaOH=NaNO3+NaNO2+H2O
HNO3+NaOH=NaNO3+H20
In the present embodiment, nozzle includes that first group of nozzle, 9, second groups of nozzles 10 and third group nozzle 11, first group of nozzle 9 are located at 5 top of the water-soluble liquid pool of NaOH, and the jet port of first group of nozzle 9 is vertically upward, second group of nozzle 10 and third group nozzle 11 are equal Positioned at 2 inner wall two sides of exhaust gases passes, and the jet port of the jet port of second group of nozzle 10 and third group nozzle 11 is obliquely, and Three groups of nozzles 11 are located at second group of nozzle, 10 top.Wherein nozzle is stainless steel spiral spray head DN15-DN25.
Three groups of nozzles are arranged in exhaust gases passes vertical component in setting in this way, wherein the liquid-drop diameter of first group of nozzle spray is most It is small, it is sprayed along smoke movement direction, it, can to offset second group of nozzle and third group nozzle spray water mist to the resistance of flue gas The parameter request of the stabilization pressurized operation of effective guarantee natural gas boiler burner, while the water mist and flue gas sprayed from nozzle Mixing directly absorbs the heat of flue gas, and the liquid-drop diameter that second group of nozzle and third group nozzle spray is relative to first group of nozzle The liquid-drop diameter of spray is sequentially increased, and continues to cool down to mixed flue gas, while the water droplet in spray droplet and flue gas is again Mutually fusion, diameter are further increased, are finally dropped under gravity in the water-soluble liquid pool of NaOH of exhaust gases passes bottom.
In the present embodiment, heat pump unit 6 includes throttle valve 24, evaporator 23, compressor 25 and condenser 22, the first drain Pipe 17 is connected to 23 liquid feeding end of evaporator, and the first connecting tube 12 is connected to 23 drain side of evaporator, condenser inlet tube 16 with it is cold The connection of 22 liquid feeding end of condenser, condenser drain pipe 18 are connected to 22 drain side of condenser, carry out between evaporator 23 and condenser 22 Heat exchange.Wherein 23 liquid feeding end temperature of evaporator is 12 DEG C, and 23 drain side temperature of evaporator is 7 DEG C, 22 liquid feeding end temperature of condenser Degree is 35 DEG C, and 22 drain side temperature of condenser is 40 DEG C.Circulation pump group is provided on first drain pipe 17.
Solution temperature evaporator and the condenser heat exchange in 12 DEG C, landscape heat pump unit being discharged from the water-soluble liquid pool of NaOH Temperature is reduced to 7 DEG C after effect, is delivered to nozzle again and is sprayed, at the same the fluid temperature imported by condenser inlet tube from 35 DEG C are promoted to 40 DEG C, realize whole heat exchange.
It should be noted that NaOH water tank from the point of view of single, each component such as evaporator and condenser, neutralization pond in heat pump unit Etc. structures be the prior art, in order to realize that its fixed function necessarily contains required structure, such as in order to enable evaporator and cold Condenser completes heat exchange, and compressor is necessarily controlled to a power supply, and those skilled in the art also being capable of voluntarily group according to actual needs Fill the connection structure between compatible hardware above.

Claims (8)

1. the monitoring of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system, it is characterised in that: including air inlet Manage (1), exhaust gases passes (2) and NaOH water tank (4), pH value controller (8), pH sensor (32) and neutralization pond (7);
The air inlet pipe (1) is connected to the inlet end of exhaust gases passes (2), and the NaOH water tank (4) passes through the second connecting tube (13) It is connected to exhaust gases passes (2), exhaust gases passes (2) bottom is provided with the water-soluble liquid pool of NaOH (5), the pH value controller (8) It is connect by transmission line (33) with pH sensor (32) and solenoid valve (15), it is water-soluble that the pH sensor (32) is set to NaOH In liquid pool (5) and neutralization pond (7), the solenoid valve (15) is set on the second connecting tube (13), the neutralization pond (7) first into Liquid mouth is connected to by overflow pipe (21) with the overflow port of the water-soluble liquid pool of NaOH (5), the second inlet of neutralization pond (7) with it is once cold Condensate pipe (4) connection.
2. natural gas boiler condensed water pH real value monitoring according to claim 1 and waste water neutralisation treatment exhaust system, It is characterized by: the inlet of the NaOH water tank (4) is connected to NaOH supplement liquid pipe (14), the drain of the neutralization pond (7) Mouth is connected to sewage pipe (22).
3. natural gas boiler condensed water pH real value monitoring according to claim 2 and waste water neutralisation treatment exhaust system, It is characterized by: pH value controller (8) the model SIN-pH3.0, first pH sensor (19) and the second pH value Sensor (20) is tetra- fluoride electrode of pH.
4. according to claim 1 to the monitoring of natural gas boiler condensed water pH real value described in 3 any claims and waste water Neutralisation treatment exhaust system, it is characterised in that: the pH sensor (32) includes the first pH sensor (19) and the 2nd pH It is worth sensor (20), first pH sensor (19) is set in the water-soluble liquid pool of NaOH (5), second pH sensor (20) it is set in neutralization pond (7).
5. natural gas boiler condensed water pH real value monitoring according to claim 4 and waste water neutralisation treatment exhaust system, It is characterized by: described first pH sensor (19) one end is perforated from the pool wall of the water-soluble liquid pool of NaOH (5), (34) are inserted into In the water-soluble liquid pool of NaOH (5), the first pH sensor (19) other end is connect with transmission line (33), the first pH sensor (19) Probe (36) be located in the water-soluble liquid pool of NaOH (5).
6. natural gas boiler condensed water pH real value monitoring according to claim 5 and waste water neutralisation treatment exhaust system, It is characterized by: described perforation (34) inner wall is provided with water proof set (35) made of acid and alkali-resistance material.
7. natural gas boiler condensed water pH real value monitoring according to claim 4 and waste water neutralisation treatment exhaust system, It is characterized by: second pH sensor (20) is soaked in neutralization pond (7), the second pH sensor (20) one end and biography Defeated line (33) connection, the second pH sensor (20) other end are socketed with protective cover (38), the spy of the second pH sensor (20) Head (36) is located in protective cover (38).
8. natural gas boiler condensed water pH real value monitoring according to claim 7 and waste water neutralisation treatment exhaust system, It is characterized by: the protective cover (38) is horn structure, stub end is equipped with opening, and microcephaly end is socketed in the second pH sensor (20) on attachment base (37).
CN201910477502.6A 2019-06-03 2019-06-03 The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system Pending CN110102155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910477502.6A CN110102155A (en) 2019-06-03 2019-06-03 The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910477502.6A CN110102155A (en) 2019-06-03 2019-06-03 The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system

Publications (1)

Publication Number Publication Date
CN110102155A true CN110102155A (en) 2019-08-09

Family

ID=67493784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910477502.6A Pending CN110102155A (en) 2019-06-03 2019-06-03 The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system

Country Status (1)

Country Link
CN (1) CN110102155A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11179145A (en) * 1997-12-22 1999-07-06 Ishikawajima Harima Heavy Ind Co Ltd Absorbent supply control method and apparatus for flue gas desulfurization facility
CN202460400U (en) * 2012-02-28 2012-10-03 郭灿明 Boiler desulfurization device
CN103721538A (en) * 2013-12-30 2014-04-16 清华大学 Integrated treatment and utilizing device for recovering and denitrating smoke waste heat and condensate water of natural gas
CN206463762U (en) * 2016-12-13 2017-09-05 深圳市捷晶能源科技有限公司 A kind of flue gas recirculation carrying out washing treatment system
CN108452658A (en) * 2018-04-28 2018-08-28 苏州华烯环保科技有限公司 A kind of high vertical PP soda acids exhaust gas washing tower of gas flow rate
CN208082199U (en) * 2018-01-31 2018-11-13 青岛海安生物环保有限公司 Graphite waste gas absorption and resources apparatus
CN208244434U (en) * 2018-04-03 2018-12-18 中金嵩县嵩原黄金冶炼有限责任公司 A kind of double spray sulfur-containing tail gas processing units

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11179145A (en) * 1997-12-22 1999-07-06 Ishikawajima Harima Heavy Ind Co Ltd Absorbent supply control method and apparatus for flue gas desulfurization facility
CN202460400U (en) * 2012-02-28 2012-10-03 郭灿明 Boiler desulfurization device
CN103721538A (en) * 2013-12-30 2014-04-16 清华大学 Integrated treatment and utilizing device for recovering and denitrating smoke waste heat and condensate water of natural gas
CN206463762U (en) * 2016-12-13 2017-09-05 深圳市捷晶能源科技有限公司 A kind of flue gas recirculation carrying out washing treatment system
CN208082199U (en) * 2018-01-31 2018-11-13 青岛海安生物环保有限公司 Graphite waste gas absorption and resources apparatus
CN208244434U (en) * 2018-04-03 2018-12-18 中金嵩县嵩原黄金冶炼有限责任公司 A kind of double spray sulfur-containing tail gas processing units
CN108452658A (en) * 2018-04-28 2018-08-28 苏州华烯环保科技有限公司 A kind of high vertical PP soda acids exhaust gas washing tower of gas flow rate

Similar Documents

Publication Publication Date Title
CN210631924U (en) Ammonia-containing tail gas recovery processing device
CN104445725B (en) Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus
CN105126366B (en) Concentrator system, the related system and its correlation technique for handling waste water
CN106390723A (en) Secondary residual heat utilization type acid mist absorption tower
CN203469768U (en) Novel high-efficiency and energy-saving air treatment device with two-stage spraying and absorbing system for organic waste gas
CN207153427U (en) Waste incinerated smoke purification system
CN109092033A (en) A kind of washing desulfurization integrated device
CN110102155A (en) The detection of natural gas boiler condensed water pH real value and waste water neutralisation treatment exhaust system
CN108261905A (en) A kind of denitration integrated device and method
CN209173690U (en) A kind of desulfurization and denitrification integral absorption tower
CN218743910U (en) Tail slag treatment device for preparing hydrogen fluoride
CN208229658U (en) A kind of SNCR modularization denitrating system
CN208320385U (en) A kind of elimination white cigarette device for wet fuel gas desulfurizing technology
CN110094880A (en) Natural gas condensing boiler flue gas sprays heat recovery system
CN212440732U (en) Waste gas alkali washing sprays circulation mechanism for reaction tower
CN209459449U (en) A kind of white system that disappears based on direct contact heat transfer device
CN208786038U (en) A kind of chemical emission spray washing treating column
JP4000637B2 (en) Flue gas desulfurization apparatus and flue gas desulfurization method
CN207462953U (en) Industrial refuse processing system deacidifying dedusting device
CN210118761U (en) NO2Spray absorption system
CN216654034U (en) Flue gas desulfurization device for thermal power plant
WO2020164413A1 (en) Fossil fuel pollutant prevention system
CN217698605U (en) Automatic control spray tower for waste gas treatment
CN211462657U (en) A tail gas processing apparatus for producing diammonium hydrogen phosphate
CN214486337U (en) Boiler tail gas ultralow emission desulfurization device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190809

RJ01 Rejection of invention patent application after publication