CN108954359A - A kind of overcritical thermal power generation tail gas treatment process - Google Patents
A kind of overcritical thermal power generation tail gas treatment process Download PDFInfo
- Publication number
- CN108954359A CN108954359A CN201810535004.8A CN201810535004A CN108954359A CN 108954359 A CN108954359 A CN 108954359A CN 201810535004 A CN201810535004 A CN 201810535004A CN 108954359 A CN108954359 A CN 108954359A
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- Prior art keywords
- tail gas
- ash
- heating tube
- side wall
- power generation
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000010248 power generation Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 95
- 239000002918 waste heat Substances 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 244000005700 microbiome Species 0.000 claims abstract description 8
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 106
- 238000010438 heat treatment Methods 0.000 claims description 75
- 238000002485 combustion reaction Methods 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 16
- 210000004907 gland Anatomy 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000004901 spalling Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to environmental technology field, specifically a kind of overcritical thermal power generation tail gas treatment process, method includes the following steps: S1, tail gas is passed through in waste-heat recovery device, waste-heat recovery device recycles the preheating of tail gas；The tail gas being discharged in S1 is passed through in desulphurization denitration equipment by S2；The tail gas being discharged in S2 is passed through in sludge treatment pond by S3, and the microorganism in sludge treatment pond is to the further desulphurization denitration of tail gas；The tail gas being discharged in 3 is passed through in clarifier by S4, and clarifier removes the peculiar smell in tail gas；Tail gas in S4 is discharged into atmosphere by S5.This method realizes the recycling to waste heat by waste-heat recovery device, then tail gas is further purified by desulphurization denitration equipment, then tail gas is passed through in silt basin again, utilize the further desulphurization denitration of microorganism in mud, this method can avoid using expensive desulphurization denitration equipment, tail gas is purified using microorganism, production cost can be reduced, and have fewer environmental impacts.
Description
Technical field
The present invention relates to environmental technology field, specifically a kind of overcritical thermal power generation tail gas treatment process.
Background technique
Thermal power generation group is using combustible as the machinery of fuel production electric energy.Its basic process of production is: fuel
In burning, heating water generates steam, the chemical energy of fuel is transformed into thermal energy, the rotation of steam pressure pushing turbine, thermal energy turns
Change mechanical energy into, then steam turbine drives generator rotation, and mechanical energy is transformed into electric energy.
During using thermal power generation group, contain a certain amount of heat in the exhaust gas of thermal power generation group discharge, largely
Heat be directly discharged into air, both wasted heat, and pollute environment；During using thermal power generation group, heating tube
Surface can be infected with a large amount of dust, and dust can excessively reduce the speed of heating water inside heating tube；In consideration of it, the present invention provides
A kind of overcritical thermal power generation tail gas treatment process, has the following characteristics that
(1) a kind of overcritical thermal power generation tail gas treatment process of the invention, the exhaust gas of the generation of stocking mechanism directly into
Enter UTILIZATION OF VESIDUAL HEAT IN mechanism, the heat in exhaust gas enters the inside of UTILIZATION OF VESIDUAL HEAT IN mechanism, and the water of UTILIZATION OF VESIDUAL HEAT IN mechanism is made to be rapidly heated
Steam is generated, the heat in exhaust gas is made full use of.
(2) side walls of a kind of overcritical thermal power generation tail gas treatment process of the invention, heating tube connect dust removing machine
Structure, deashing mechanism make the dust for heating pipe surface fall into the inside of stocking mechanism, reduce and add in the surface quick sliding of heating tube
The thickness of heat pipe makes the water inside heating tube be rapidly heated.
(3) blocking mechanism is installed in the inside of a kind of overcritical thermal power generation tail gas treatment process of the invention, water intake mechanism,
So that the water inside water intake mechanism is rapidly entered the inside of heating tube, the inside of heating tube is made continuously to generate steam, it is convenient
People use.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of overcritical thermal power generation tail gas treatment process, we
Method realizes the recycling to waste heat by waste-heat recovery device, is then further purified by desulphurization denitration equipment to tail gas, then
Tail gas is passed through in silt basin again, using the further desulphurization denitration of microorganism in mud, this method be can avoid using valuableness
Desulphurization denitration equipment purifies tail gas using microorganism, can reduce production cost, and have fewer environmental impacts.
The technical solution adopted by the present invention to solve the technical problems is: a kind of overcritical thermal power generation vent gas treatment work
Skill, method includes the following steps:
Tail gas is passed through in waste-heat recovery device by S1, and waste-heat recovery device recycles the preheating of tail gas；
The tail gas being discharged in S1 is passed through in desulphurization denitration equipment by S2, and desulphurization denitration equipment carries out desulphurization denitration to tail gas；
The tail gas being discharged in S2 is passed through in sludge treatment pond by S3, and the microorganism in sludge treatment pond is further to tail gas
Desulphurization denitration；
The tail gas being discharged in 3 is passed through in clarifier by S4, and clarifier removes the peculiar smell in tail gas；
Tail gas in S4 is discharged into atmosphere by S5；
The waste-heat recovery device used in this method includes water inlet pipe, control mechanism, heating tube, gland steam exhauster, UTILIZATION OF VESIDUAL HEAT IN
Mechanism, supporting mechanism, stocking mechanism, air inlet funnel, water intake mechanism, blocking mechanism, sliding equipment, fixing groove, link and deashing
Mechanism；The stocking mechanism is installed in the top surface of the supporting mechanism, and the heating tube is installed in the inside of the stocking mechanism；It is described
Stocking mechanism side wall installs the control mechanism, and the water inlet pipe and described is installed at the top surface both ends of the stocking mechanism respectively
Gland steam exhauster；The water intake mechanism is installed in the bottom end of the water inlet pipe, and the side wall of the water intake mechanism installs the described of annular spread
The blocking mechanism is installed in heating tube, the inside of the water intake mechanism, and one end of the blocking mechanism contradicts the heating tube；Institute
The one end for stating stocking mechanism is connected to the UTILIZATION OF VESIDUAL HEAT IN mechanism, and the air inlet funnel is installed in the bottom end of the stocking mechanism；It is described
The side walls of heating tube connect the sliding equipment, and the inside of the sliding equipment is equipped with the fixing groove, the fixing groove
Inside the deashing mechanism is installed, the deashing mechanism engages the heating tube, described in the top surface installation of the sliding equipment
Link.
Specifically, the stocking mechanism includes inlet suction port, cover and combustion barrel, the both ends top surface difference of the combustion barrel
The water inlet pipe and the gland steam exhauster are installed, the combustion barrel is threadedly coupled with the cover, and one end installation of the cover
The inlet suction port enters the internal-combustion of the combustion barrel in order to facilitate natural gas by the inlet suction port.
Specifically, the heating tube of the inside installation annular spread of the combustion barrel, the bottom surface installation of the combustion barrel
The air inlet funnel improves oxygen to the inside of the combustion barrel by the air inlet funnel for convenience.
Specifically, the control mechanism includes multiple switch and fixed plate, the side wall of the combustion barrel installs the fixation
Plate, the side wall installation of the fixed plate are in that the switch of array distribution controls the burning in order to facilitate the operation of the switch
The internal heat of cylinder.
Specifically, the supporting mechanism includes two support plates and two connecting plates, the bottom end side wall of the combustion barrel is solid
Surely the connecting plate of arc is connected, it is in the I-shaped support plate, for convenience admittedly that the connecting plate, which is fixed on side wall,
The fixed combustion barrel.
Specifically, the UTILIZATION OF VESIDUAL HEAT IN mechanism includes cylinder, flue gas leading, steam discharge slot and two groups of exchange pipes, the flue gas leading
One end be installed on the top surface of the combustion barrel, the other end of the flue gas leading protrudes into the inside of the cylinder, and the cylinder
Inside install two groups described in exchange pipe, the spiral exchange pipe connection flue gas leading, in order to make exhaust gas in the friendship
Slowly movement inside pipe is changed, enters the heat in the exhaust gas in the water of the inner barrel, increases the temperature of water, it is described
The top surface of cylinder is equipped with the steam discharge slot, and the steam discharge slot is connected to the gland steam exhauster, in order to make the steam of the inner barrel into
Enter the inside of the exhaust pipe.
Specifically, the water intake mechanism includes multiple water supply connectors and fixed ring, the bottom end installation of the water inlet pipe is hollow
The fixed ring, the fixed ring is fixed on inside one end of the combustion barrel；The side wall installation of the fixed ring is in a ring
The heating tube is installed in the inside of the water supply connector of distribution, the water supply connector, enters the fixed ring in order to facilitate water
Inside, make water enter the water supply connector inside.
Specifically, the blocking mechanism includes baffle, the first spring and strainer, one end inner rotation of the water supply connector
The strainer of side wall arc is connected, the bottom end side wall of the water supply connector is fixedly connected with the baffle of arc, the baffle
It is connect between the strainer by first spring, is fallen on the strainer in order to facilitate water, the strainer is driven to rise
Movement, reduces the speed of water, and water is made to slowly enter the inside of the baffle, and the inner bottom surface of the baffle and the heating
The inner bottom of pipe flushes, and water is facilitated to enter the inside of the heating tube in the side walls of the baffle.
Specifically, the sliding equipment includes idler wheel, two pieces of mounting plates and connector sleeve, the side wall of the heating tube is set with institute
Connector sleeve is stated, the bottom surface side wall of the connector sleeve is symmetrically installed the mounting plate, is rotatablely connected institute between two pieces of mounting plates
Idler wheel is stated, the roller-coaster connects the inner sidewall of the combustion barrel, reduces frictional force when connector sleeve sliding, and described
The link is installed in the top surface of connector sleeve, pulls the connector sleeve in the side walls of the heating tube.
Specifically, the deashing mechanism includes the first ash-removing plate, connecting rod, the second ash-removing plate, second spring and steel ball, institute
The inside for stating connector sleeve is equipped with a plurality of fixing groove, and the both ends of first ash-removing plate and second ash-removing plate pass through described
Second spring connects one end of the fixing groove, when first ash-removing plate and second ash-removing plate are heated in the fixing groove
Internal expansion, prevent first ash-removing plate and the second ash-removing plate spalling, first ash-removing plate and described second clear
The internal slide of hawk connects the heating tube, for convenience first ash-removing plate and the mobile cleaning institute of second ash-removing plate
The dust of heating pipe surface is stated, and first ash-removing plate engages second ash-removing plate, assembled described first is clear for convenience
Hawk and second ash-removing plate；And by described between adjacent first ash-removing plate and adjacent second ash-removing plate
Connecting rod connection, stability when in order to improve first ash-removing plate and mobile second ash-removing plate；The fixing groove
Side wall connects first ash-removing plate and second ash-removing plate by the steel ball, for convenience in the inside of the fixing groove
Fixed first ash-removing plate and second ash-removing plate, and first ash-removing plate and second ash-removing plate combination are in hollow
Cylindrical structure, for convenience use.
Beneficial effects of the present invention:
(1) a kind of overcritical thermal power generation tail gas treatment process of the invention, the exhaust gas of the generation of stocking mechanism directly into
Enter UTILIZATION OF VESIDUAL HEAT IN mechanism, the heat in exhaust gas enters the inside of UTILIZATION OF VESIDUAL HEAT IN mechanism, and the water of UTILIZATION OF VESIDUAL HEAT IN mechanism is made to be rapidly heated
Steam is generated, the heat in exhaust gas is made full use of.
(2) side walls of a kind of overcritical thermal power generation tail gas treatment process of the invention, heating tube connect dust removing machine
Structure, deashing mechanism make the dust for heating pipe surface fall into the inside of stocking mechanism, reduce and add in the surface quick sliding of heating tube
The thickness of heat pipe makes the water inside heating tube be rapidly heated.
(3) blocking mechanism is installed in the inside of a kind of overcritical thermal power generation tail gas treatment process of the invention, water intake mechanism,
So that the water inside water intake mechanism is rapidly entered the inside of heating tube, the inside of heating tube is made continuously to generate steam, it is convenient
People use.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of supercritical thermal power unit provided by the invention；
Fig. 2 is the in-house structural schematic diagram of UTILIZATION OF VESIDUAL HEAT IN shown in FIG. 1；
Fig. 3 is water inlet pipe bottom end shown in FIG. 1 structural schematic diagram；
Fig. 4 is water intake mechanism schematic diagram of internal structure shown in Fig. 3；
Fig. 5 is heating tube side wall construction schematic diagram shown in FIG. 1.
In figure: 1, water inlet pipe, 2, control mechanism, 21, switch, 22, fixed plate, 3, heating tube, 4, gland steam exhauster, 5, waste heat benefit
With mechanism, 51, cylinder, 52, flue gas leading, 53, steam discharge slot, 54, exchange pipe, 6, supporting mechanism, 61, support plate, 62, connecting plate,
7, stocking mechanism, 71, inlet suction port, 72, cover, 73, combustion barrel, 8, air inlet funnel, 9, water intake mechanism, 91, water supply connector,
92, fixed ring, 10, blocking mechanism, 101, baffle, the 102, first spring, 103, strainer, 11, sliding equipment, 111, idler wheel,
112, mounting plate, 113, connector sleeve, 12, fixing groove, 13, link, 14, deashing mechanism, the 141, first ash-removing plate, 142, connection
Bar, the 143, second ash-removing plate, 144, second spring, 145, steel ball.
Specific embodiment
In order to realize the present invention technical method, creation characteristic, reach purpose and effect is easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1, a kind of overcritical thermal power generation tail gas treatment process, method includes the following steps:
Tail gas is passed through in waste-heat recovery device by S1, and waste-heat recovery device recycles the preheating of tail gas；
The tail gas being discharged in S1 is passed through in desulphurization denitration equipment by S2, and desulphurization denitration equipment carries out desulphurization denitration to tail gas；
The tail gas being discharged in S2 is passed through in sludge treatment pond by S3, and the microorganism in sludge treatment pond is further to tail gas
Desulphurization denitration；
The tail gas being discharged in 3 is passed through in clarifier by S4, and clarifier removes the peculiar smell in tail gas；
Tail gas in S4 is discharged into atmosphere by S5；
The waste-heat recovery device used in this method includes water inlet pipe 1, control mechanism 2, heating tube 3, gland steam exhauster 4, waste heat
Using mechanism 5, supporting mechanism 6, stocking mechanism 7, air inlet funnel 8, water intake mechanism 9, blocking mechanism 10, sliding equipment 11, fix
Slot 12, link 13 and deashing mechanism 14；The stocking mechanism 7 is installed in the top surface of the supporting mechanism 6, the stocking mechanism 7
Inside is installed by the heating tube 3；7 side wall of stocking mechanism installs the control mechanism 2, and the top surface of the stocking mechanism 7
Both ends are installed by the water inlet pipe 1 and the gland steam exhauster 4 respectively；The water intake mechanism 9 is installed in the bottom end of the water inlet pipe 1, described
The heating tube 3 of the side wall installation annular spread of water intake mechanism 9, the blocking mechanism is installed in the inside of the water intake mechanism 9
10, one end of the blocking mechanism 10 contradicts the heating tube 3；One end of the stocking mechanism 7 is connected to the UTILIZATION OF VESIDUAL HEAT IN machine
The bottom end of structure 5, the stocking mechanism 7 is installed by the air inlet funnel 8；The side walls of the heating tube 3 connect the skate machine
Structure 11, the inside of the sliding equipment 11 are equipped with the fixing groove 12, and the deashing mechanism is installed in the inside of the fixing groove 12
14, the deashing mechanism 14 engages the heating tube 3, and the link 13 is installed in the top surface of the sliding equipment 11.
Specifically, as shown in Figure 1, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the storage
Mechanism 7 includes inlet suction port 71, cover 72 and combustion barrel 73, and the water inlet pipe is installed in the both ends top surface of the combustion barrel 73 respectively
1 and the gland steam exhauster 4, the combustion barrel 73 be threadedly coupled with the cover 72, and the cover 72 one end installation it is described into
Gas connector 71 enters the internal-combustion of the combustion barrel 73 in order to facilitate natural gas by the inlet suction port 71.
Specifically, as shown in Figure 1, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the burning
The air inlet funnel 8 is installed in the heating tube 3 of the inside installation annular spread of cylinder 73, the bottom surface of the combustion barrel 73, in order to
It is convenient that oxygen is improved to the inside of the combustion barrel 73 by the air inlet funnel 8.
Specifically, as shown in Figure 1, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the control
Mechanism 2 includes multiple switch 21 and fixed plate 22, and the side wall of the combustion barrel 73 installs the fixed plate 22, the fixed plate 22
Side wall installation be in that the switch 21 of array distribution controls the interior of the combustion barrel 73 in order to facilitate the operation of the switch 21
Portion's heat.
Specifically, as shown in Figure 1, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the support
Mechanism 6 includes two support plates 61 and two connecting plates 62, and the bottom end side wall of the combustion barrel 73 is fixedly connected with the described of arc
Connecting plate 62, it is in the I-shaped support plate 61, for convenience fixed burning that the connecting plate 62, which is fixed on side wall,
Cylinder 73.
Specifically, as depicted in figs. 1 and 2, a kind of overcritical thermal power generation tail gas treatment process of the present invention is described
UTILIZATION OF VESIDUAL HEAT IN mechanism 5 includes cylinder 51, flue gas leading 52, steam discharge slot 53 and two groups of exchange pipes 54, and one end of the flue gas leading 52 is pacified
Top surface loaded on the combustion barrel 73, the other end of the flue gas leading 52 protrude into the inside of the cylinder 51, and the cylinder 51
Inside install two groups described in exchange pipe 54, the spiral exchange pipe 54 is connected to the flue gas leading 52, in order to make exhaust gas exist
53 inside of exchange pipe slowly movement, enters the heat in the exhaust gas in the water inside the cylinder 51, makes the temperature of water
Degree increases, and the top surface of the cylinder 51 is equipped with the steam discharge slot 53, and the steam discharge slot 53 is connected to the gland steam exhauster 4, in order to make
State the inside that the steam inside cylinder 51 enters the exhaust pipe 4.
Specifically, as shown in figures 1 and 3, a kind of overcritical thermal power generation tail gas treatment process of the present invention is described
Water intake mechanism 9 includes multiple water supply connectors 91 and fixed ring 92, and the hollow fixed ring is installed in the bottom end of the water inlet pipe 1
92, the fixed ring 92 is fixed on inside one end of the combustion barrel 73；The side wall installation of the fixed ring 92 is distributed in a ring
The water supply connector 91, the inside of the water supply connector 91 installs the heating tube 3, enters the fixed ring in order to facilitate water
92 inside makes water in the inside for entering the water supply connector 91.
Specifically, as shown in Figure 3 and Figure 4, a kind of overcritical thermal power generation tail gas treatment process of the present invention is described
Blocking mechanism 10 includes baffle 101, the first spring 102 and strainer 103, one end inner rotation connecting side of the water supply connector 91
The bottom end side wall of the strainer 103 of wall arc, the water supply connector 91 is fixedly connected with the baffle 101 of arc, the gear
It is connected, is fallen on the strainer 103 in order to facilitate water, band by first spring 102 between plate 101 and the strainer 103
103 ascending motion of strainer is moved, the speed of water is reduced, water is made to slowly enter the inside of the baffle 101, and the baffle
101 inner bottom surface is flushed with the inner bottom of the heating tube 3, and water is facilitated to enter institute in the side walls of the baffle 101
State the inside of heating tube 3.
Specifically, as shown in figure 5, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the sliding
Mechanism 11 includes 111, two pieces of mounting plates 112 of idler wheel and connector sleeve 113, and the side wall of the heating tube 3 is set with the connector sleeve
113, the bottom surface side wall of the connector sleeve 112 is symmetrically installed the mounting plate 112, the company of rotation between two pieces of mounting plates 112
Connect the idler wheel 111, the idler wheel 111 is slidably connected the inner sidewall of the combustion barrel 73, when reducing the connector sleeve 112 sliding
Frictional force, and the link 13 is installed in the top surface of the connector sleeve 112, pulls the connector sleeve 112 in the heating tube 3
Side walls.
Specifically, as shown in figure 5, a kind of overcritical thermal power generation tail gas treatment process of the present invention, the deashing
Mechanism 14 includes the first ash-removing plate 141, connecting rod 142, the second ash-removing plate 143, second spring 144 and steel ball 145, the connection
The inside of set 113 is equipped with a plurality of fixing groove 12, and the both ends of first ash-removing plate 141 and second ash-removing plate 143 are logical
One end that the second spring 144 connects the fixing groove 12 is crossed, when first ash-removing plate 141 and second ash-removing plate
143 are heated in the internal expansion of the fixing groove 12, prevent first ash-removing plate 141 and 143 spalling of the second ash-removing plate,
First ash-removing plate 141 connects the heating tube 3 with the internal slide of second ash-removing plate 143, and for convenience described the
One ash-removing plate 141 and the mobile dust for clearing up 3 surface of heating tube of second ash-removing plate 143, and first ash-removing plate
141 engaging second ash-removing plates 143, in order to facilitate assembled first ash-removing plate 141 and second ash-removing plate 143；And
It is connected between adjacent first ash-removing plate 141 and adjacent second ash-removing plate 143 by the connecting rod 142, is
Stability when raising first ash-removing plate 141 and mobile second ash-removing plate 143；The side wall of the fixing groove 12 is logical
It crosses the steel ball 145 and connects first ash-removing plate 141 and second ash-removing plate 143, for convenience in the fixing groove 12
Fixed first ash-removing plate 141 in inside and second ash-removing plate 143, and first ash-removing plate 141 and described second
The combination of ash-removing plate 143 is in hollow cylindrical structure, is used for convenience.
Water source is connected on the surface of water inlet pipe 1, power generation mechanism is installed on the top of gland steam exhauster 4, then by inlet suction port 71
Natural gas is accessed, suitable water is added to the inside of cylinder 51.
(1) water enters the inside of fixed ring 92 by water inlet pipe 1, and water in the internal motion of fixed ring 92, transport downwards by water
Dynamic to contact with the strainer 103 of 91 side wall of water supply connector, water presses down on strainer 103, makes strainer 103 in the side wall of water supply connector 91
It moves downward, the first spring 102 between compressed screens 103 and baffle 101, when the first spring 102 moves to lowermost end, the
The elongation of one spring 102, band electric filter 103 move upwards, and when water and strainer 103 contact, band strainer 103 is swung up and down, and reduce
The speed that water moves downward falls on water slowly on the baffle 101 of arc, enters water in the side walls of baffle 101 and adds
The inside of heat pipe 3 makes the inside of heating tube 3 be rapidly filled with water.
(2) switch for opening 22 side wall of fixed plate, makes into the combustion of natural gas inside water combustion barrel 73, air passes through through leaking
Bucket 8 enters the inside of combustion barrel 73, makes natural gas conflagration, increases the temperature inside combustion barrel 73 quickly, makes heating tube 3
Internal water heating generate steam, steam enters the inside of gland steam exhauster 4 from one end of heating tube 3, and pushing generator work produces
Raw electric power.
(3) exhaust gas generated inside combustion barrel 73 enters the inside of cylinder 51 by flue gas leading 52, inside flue gas leading 52
Exhaust gas enters the inside of two groups of spiral exchange pipes 54, and exchange pipe 54 is contacted with the water of the inside of cylinder 51, the heat in exhaust gas
Amount enters in water, and water is made to heat up, and exhaust gas keeps the heat in exhaust gas big in the inside sinuous movement of spiral exchange pipe 54
Part enters in water, and the inside of cylinder 51 is made to generate vapor, and vapor passes through 53 row of entering of steam discharge slot on 51 top of cylinder
The inside of steam pipe 4 is worked using the heat pushing generator in tail gas again.
(4) heating tube 3 when the temperature is excessively high, the first ash-removing plate 141 and the second ash-removing plate 143 of 3 side wall of heating tube by
The volume of thermal expansion, the first ash-removing plate 141 and the second ash-removing plate 143 increases, and makes the first ash-removing plate 141 and the second ash-removing plate 143
In the internal expansion of fixing groove 12,12 inside second spring 144 of fixing groove is compressed, the compression of second spring 144 generates reaction force,
Prevent the first ash-removing plate 141 and the second ash-removing plate 143 by spalling.When temperature reduces, second spring 144 extends, and makes second spring
144 reset engaging heating tube 3 again.When needing to clear up the dust of 3 side wall of heating tube, cover 72 is opened, hook is protruded into combustion
The inside for burning cylinder 73, hook is contacted with the link 13 of 113 side wall of connector sleeve, and mobile hook drives connector sleeve 113 in heating tube
3 side wall is mobile, and the idler wheel 111 of 113 one end side wall of connector sleeve is rolled in the side wall of combustion barrel 73, has both reduced the shifting of connector sleeve 113
Frictional force when dynamic, and move in a straight line connector sleeve 113 fixation of connector sleeve 113, when connector sleeve 113 is mobile, connector sleeve
The side wall movement of the first ash-removing plate 141 and the second ash-removing plate 143 in heating tube 3 in a ring inside 113, promotion heating tube 3
The dust of side wall makes dust fall the inside into air inlet funnel 8 from 3 side wall of heating tube, then is discharged from the inside of combustion barrel 73；
The side wall free from dust of heating tube 3, increases the water temperature inside of heating tube 3 quickly, generates water vapour, is easy to use.
The exhaust gas of the generation of stocking mechanism 7 of the invention is directly entered UTILIZATION OF VESIDUAL HEAT IN mechanism 5, more than the heat entrance in exhaust gas
The inside of heat utilization mechanism 5 makes the water of UTILIZATION OF VESIDUAL HEAT IN mechanism 5 be rapidly heated and generates steam, makes full use of the heat in exhaust gas.Add
The side walls of heat pipe 3 connect deashing mechanism 14, and deashing mechanism 14 makes 3 surface of heating tube in the surface quick sliding of heating tube 3
Dust fall into the inside of stocking mechanism 7, reduce the thickness of heating tube 3, the water inside heating tube 3 made to be rapidly heated.Water inlet machine
Blocking mechanism 10 is installed in the inside of structure 9, so that the water inside water intake mechanism 9 is rapidly entered the inside of heating tube 3, makes heating tube 3
Inside continuously generates steam, is convenient for people to use.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. a kind of overcritical thermal power generation tail gas treatment process, which is characterized in that method includes the following steps:
Tail gas is passed through in waste-heat recovery device by S1, and waste-heat recovery device recycles the preheating of tail gas；
The tail gas being discharged in S1 is passed through in desulphurization denitration equipment by S2, and desulphurization denitration equipment carries out desulphurization denitration to tail gas；
The tail gas being discharged in S2 is passed through in sludge treatment pond by S3, and the microorganism in sludge treatment pond is to the further desulfurization of tail gas
Denitration；
The tail gas being discharged in 3 is passed through in clarifier by S4, and clarifier removes the peculiar smell in tail gas；
Tail gas in S4 is discharged into atmosphere by S5；
The waste-heat recovery device used in this method include water inlet pipe (1), control mechanism (2), heating tube (3), gland steam exhauster (4),
UTILIZATION OF VESIDUAL HEAT IN mechanism (5), supporting mechanism (6), stocking mechanism (7), air inlet funnel (8), water intake mechanism (9), blocking mechanism (10),
Sliding equipment (11), fixing groove (12), link (13) and deashing mechanism (14)；Described in the top surface installation of the supporting mechanism (6)
The inside of stocking mechanism (7), the stocking mechanism (7) is installed by the heating tube (3)；Stocking mechanism (7) side wall installs institute
It states control mechanism (2), and the water inlet pipe (1) and the gland steam exhauster are installed in the top surface both ends of the stocking mechanism (7) respectively
(4)；The water intake mechanism (9) is installed in the bottom end of the water inlet pipe (1), and the side wall of the water intake mechanism (9) installs annular spread
The heating tube (3), the inside of the water intake mechanism (9) installs the blocking mechanism (10), the blocking mechanism (10)
One end contradicts the heating tube (3)；One end of the stocking mechanism (7) is connected to the UTILIZATION OF VESIDUAL HEAT IN mechanism (5), the storage machine
The bottom end of structure (7) is installed by the air inlet funnel (8)；The side walls of the heating tube (3) connect the sliding equipment (11), institute
The inside for stating sliding equipment (11) is equipped with the fixing groove (12), and the deashing mechanism is installed in the inside of the fixing groove (12)
(14), the deashing mechanism (14) engages the heating tube (3), and the link is installed in the top surface of the sliding equipment (11)
(13)。
2. a kind of overcritical thermal power generation tail gas treatment process according to claim 1, it is characterised in that: the storage machine
Structure (7) includes inlet suction port (71), cover (72) and combustion barrel (73), and institute is installed in the both ends top surface of the combustion barrel (73) respectively
Water inlet pipe (1) and the gland steam exhauster (4) are stated, the combustion barrel (73) is threadedly coupled with the cover (72), and the cover
(72) one end is installed by the inlet suction port (71).
3. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the combustion barrel
(73) heating tube (3) of inside installation annular spread, the air inlet funnel is installed in the bottom surface of the combustion barrel (73)
(8)。
4. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the control machine
Structure (2) includes multiple switch (21) and fixed plate (22), and the side wall of the combustion barrel (73) installs the fixed plate (22), described
The side wall installation of fixed plate (22) is in the switch (21) of array distribution.
5. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the support machine
Structure (6) includes two support plates (61) and two connecting plates (62), and the bottom end side wall of the combustion barrel (73) is fixedly connected with arc
The connecting plate (62), the connecting plate (62) be fixed on side wall be in the I-shaped support plate (61).
6. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the waste heat benefit
It include cylinder (51), flue gas leading (52), steam discharge slot (53) and two groups of exchange pipes (54) with mechanism (5), the flue gas leading (52)
One end is installed on the top surface of the combustion barrel (73), and the other end of the flue gas leading (52) protrudes into the inside of the cylinder (51),
And exchange pipe (54) described in two groups of the inside installation of the cylinder (51), the spiral exchange pipe (54) are connected to the exhaust gas
It manages (52), the top surface of the cylinder (51) is equipped with the steam discharge slot (53), and the steam discharge slot (53) is connected to the gland steam exhauster (4).
7. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the water inlet machine
Structure (9) includes multiple water supply connectors (91) and fixed ring (92), and the hollow fixed ring is installed in the bottom end of the water inlet pipe (1)
(92), the fixed ring (92) is fixed on inside one end of the combustion barrel (73)；The side wall of the fixed ring (92) is installed
The inside of the water supply connector (91) of annular spread, the water supply connector (91) is installed by the heating tube (3).
8. a kind of overcritical thermal power generation tail gas treatment process according to claim 7, it is characterised in that: the blocking machine
Structure (10) includes baffle (101), the first spring (102) and strainer (103), and one end inner rotation of the water supply connector (91) connects
The strainer (103) of side wall arc is connect, the bottom end side wall of the water supply connector (91) is fixedly connected with the baffle of arc
(101), it is connect between the baffle (101) and the strainer (103) by first spring (102), and the baffle
(101) inner bottom surface is flushed with the inner bottom of the heating tube (3).
9. a kind of overcritical thermal power generation tail gas treatment process according to claim 2, it is characterised in that: the skate machine
Structure (11) includes idler wheel (111), two pieces of mounting plates (112) and connector sleeve (113), described in the side wall suit of the heating tube (3)
The bottom surface side wall of connector sleeve (113), the connector sleeve (112) is symmetrically installed the mounting plate (112), two pieces of mounting plates
(112) it being rotatablely connected between the idler wheel (111), the idler wheel (111) is slidably connected the inner sidewalls of the combustion barrel (73), and
The top surface of the connector sleeve (112) is installed by the link (13).
10. a kind of overcritical thermal power generation tail gas treatment process according to claim 9, it is characterised in that: the deashing
Mechanism (14) includes the first ash-removing plate (141), connecting rod (142), the second ash-removing plate (143), second spring (144) and steel ball
(145), the inside of the connector sleeve (113) is equipped with a plurality of fixing groove (12), first ash-removing plate (141) and described the
The both ends of two ash-removing plates (143) connect one end of the fixing groove (12), first deashing by the second spring (144)
Plate (141) connects the heating tube (3) with the internal slide of second ash-removing plate (143), and first ash-removing plate (141)
Engage second ash-removing plate (143)；And adjacent first ash-removing plate (141) and adjacent second ash-removing plate
(143) it is connected between by the connecting rod (142)；The side wall of the fixing groove (12) connects institute by the steel ball (145)
State the first ash-removing plate (141) and second ash-removing plate (143), and first ash-removing plate (141) and second ash-removing plate
(143) combination is in hollow cylindrical structure.
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112191049A (en) * | 2020-09-30 | 2021-01-08 | 南京茂辉环保技术开发有限公司 | Energy-saving and environment-friendly treatment system for high-temperature flue gas |
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