CN206739921U - A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system - Google Patents
A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system Download PDFInfo
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- CN206739921U CN206739921U CN201720541109.5U CN201720541109U CN206739921U CN 206739921 U CN206739921 U CN 206739921U CN 201720541109 U CN201720541109 U CN 201720541109U CN 206739921 U CN206739921 U CN 206739921U
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- 239000007789 gas Substances 0.000 title claims abstract description 104
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 235000010215 titanium dioxide Nutrition 0.000 title claims abstract description 51
- 239000002918 waste heat Substances 0.000 title claims abstract description 32
- 235000013312 flour Nutrition 0.000 title claims abstract description 29
- 238000004064 recycling Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000012043 crude product Substances 0.000 claims abstract description 13
- 239000008400 supply water Substances 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 20
- 230000003020 moisturizing effect Effects 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000000505 pernicious effect Effects 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 238000001354 calcination Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system, belong to titanium dioxide manufacture field.A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present utility model, including heat exchanger and liquid seal trough, also include hydraulic ejector, its inlet end connects with heat exchanger, its water inlet end is connected with water circulating pump, its discharge ends is located in liquid seal trough, and connects flow-disturbing heat exchange mechanisms in discharge ends；Solution is used to supply water for crude product after being exchanged heat in liquid seal trough.The utility model will crush air-flow heat and carry out secondary recovery utilization, while eliminate pernicious gas therein, substantially increase energy utilization rate, reduce the pollution to environment, save production cost.
Description
Technical field
Titanium dioxide processing technique field is the utility model is related to, more specifically to a kind of titanium white flour flow design air-flow
Crush tail gas secondary waste heat recycling system.
Background technology
Titanium dioxide is a kind of important Chinese white, mainly goes out titanium dioxide (mainly with Production By Sulfuric Acid Process in industry manufacture
Composition is titanium dioxide) crude product, the technique such as need in its preparation process to heat up, wash, afterwards by post processing, using different
The techniques such as coating, air-flow crushing are processed to titanium dioxide crude product, it is applied to different application fields.Air-flow crushing process
It is to crush the titanium dioxide through inorganic coating using high temperature middle pressure steam, in steam powder machine equipment, titanium dioxide is reached requirement
Fineness；And used high temperature middle pressure steam may be recovered utilization.The major part of the recycling first enterprise of waste heat has entered
OK, the gas temperature discharged after reclaiming first is between 100-110 DEG C, although this partial heat is relatively small, wherein
Containing part pernicious gas, if be expelled directly out, a large amount of waste heats are not only resulted in and are wasted, contained dust and solvable in gas
Property pernicious gas also results in environmental pollution, it is necessary to which institute's discharge gas is further processed.
Found by the retrieval to prior art, although powder when disclosed technology is not prepared directly about titanium dioxide at present
The technology of broken gas after-treatment, but other published schemes related to vent gas treatment are more, have certain reference.But
The problem of more is encountered when specifically used.Air-flow energy content after reclaiming first is relatively fewer, recovery difficult compared with
Greatly, and pernicious gas therein is also removed simultaneously, technology difficulty is larger.
Chinese Patent Application No.：201120028758.8 the applying date：On January 27th, 2011, invention and created name are：One
Heat recovering device for titanium white powder airflow grinding tail gas, including heat recovering tower are planted, shell and tube heat exchanger tube is provided with heat recovering tower,
Heat recovering tower is sequentially provided with industry water cooling zone, desalted water cooling zone and spray chamber from bottom to top, and shell and tube heat exchanger tube runs through
Separation dividing plate is provided between industry water cooling zone and desalted water cooling zone, industry water cooling zone and desalted water cooling zone.The party
Case heat recovering device for titanium white powder airflow grinding tail gas, it is compact to design, realized in an equipment two kinds of refrigerant heat exchangers and
The function of spray dust collector, installation are taken up an area small；Meanwhile the utilization rate of tail gas heat quantity is improved, reclaim heat energy about 57%.
Chinese Patent Application No.：201510979759.3 the applying date：On December 23rd, 2015, disclose a kind of titanium dioxide
The processing method of tail gas is calcined in production process, it includes step：1) dedusting；2) preliminary heat exchange, by the calcining tail after dedusting
Gas is discharged into Waste Heat System carries out heat exchange with process water, and calcining tail gas is tentatively cooled；3) heat exchange again, tentatively
Calcining tail gas after cooling enters in venturi system sprays further cooling by Waste Sulfuric Acid；4) desulfurization；The titanium white of the program
The processing method that tail gas is calcined in powder production process employs the high Waste Heat System of heat recovery rate and passes through substep
Heat exchange, it can efficiently reclaim the heat in calcining tail gas and be used for other processes of titanium white production line, greatly save energy consumption
And water consume, and significantly improved by the desulfurization degree of desulfurization calcining tail gas.
Utility model content
1. utility model technical problems to be solved
The purpose of this utility model be to overcome in the prior art titanium dioxide crush air-flow heat recovery and utilization rate it is low not
Foot, there is provided a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system, the utility model will crush gas
Flow heat and carry out secondary recovery utilization, while eliminate pernicious gas therein, substantially increase energy utilization rate, reduce pair
The pollution of environment, save production cost.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the utility model is：
A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present utility model, including heat exchange
Device and liquid seal trough, in addition to hydraulic ejector, its inlet end are connected with heat exchanger, and its water inlet end is connected with water circulating pump, and it is arranged
Water end (W.E.) is located in liquid seal trough, and connects flow-disturbing heat exchange mechanisms in discharge ends；Solution is used to supply water for crude product after being exchanged heat in liquid seal trough.
Further improved as the utility model, be provided with water supplement port above described liquid seal trough, and pass through moisturizing
Control valve control current enter.
Further improve, closed above the liquid seal trough, and be provided with blast pipe as the utility model；In fluid-tight
Trench bottom is connected with draining pump.
Further improved as the utility model, the flow-disturbing heat exchange mechanisms are mainly by outer flow-disturbing room and interior flow-disturbing room
Composition, outer flow-disturbing room connects with the outlet pipe on hydraulic ejector；The interior flow-disturbing room connects with outer flow-disturbing room, interior flow-disturbing room bottom
End is connected to liquid seal trough by water pipe.
Further improved as the utility model, spout hole is provided with above the outer flow-disturbing room.
Further improved as the utility model, the outer flow-disturbing room is back taper.
Further improved as the utility model, the outer flow-disturbing ceiling end is connected with airway tube, the airway tube
Fluid-tight trench bottom is stretched into gas outlet.
Further improved as the utility model, in use, the liquid level face in liquid seal trough is less than outer flow-disturbing room upper table
Face.
Further improved as the utility model, the outer flow-disturbing room upper surface is provided with the aqueous vapor point for exhaust
From room, the air inlet of airway tube is connected with aqueous vapor separation chamber.
Further improved as the utility model, the gas port and water that the outer flow-disturbing room is arranged by its upper surface
Gas separation chamber connects.
3. beneficial effect
Using technical scheme provided by the utility model, compared with prior art, have the advantages that：
(1) a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present utility model, will be changed
The gas of hot device discharge is mixed with circulation aqueous, and the aqueous after heat exchange is produced for titanium dioxide crude product, obtains heat
Utilized to effective, and can effectively remove the pernicious gas in tail gas, substantially increased energy utilization rate, reduce to environment
Pollution, save production cost；
(2) a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present utility model, is disturbed outside
Flow chamber can be set to back taper, and interior flow-disturbing room is up big and down small truncated conical shape, and the blending agent quickly flowed enters outer flow-disturbing
Behind room, volume becomes big, and the direction of motion is changed, and easily forms eddy flow, so as to allow the disturbances of increase current and air-flow, makes two
Person is mutually mixed, and increases heat exchange area and time of contact, so that heat exchange is more abundant, enabled amount is fully used；
(3) a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present utility model, it is set
Put aqueous vapor separation chamber and aqueous vapor separation can be achieved, when in the liquid that gas is again introduced into liquid seal trough by airway tube, quite
It is more abundant to the absorption cleaning of tail gas so as to realize the effect of multiple vent gas treatment in having carried out gas-liquid mixed again.
Brief description of the drawings
Fig. 1 is system structure diagram of the present utility model；
Fig. 2 is the flow-disturbing heat exchange mechanisms structural representation that the utility model carries spout hole；
Fig. 3 is the flow-disturbing heat exchange mechanisms structural representation that the utility model carries airway tube；
Fig. 4 is the flow-disturbing heat exchange mechanisms structural representation that the utility model carries aqueous vapor separation chamber.
Label declaration in schematic diagram：1st, hydraulic ejector；2nd, heat exchanger；3rd, outlet pipe；4th, liquid seal trough；5th, draining pump；
6th, water circulating pump；61st, circulating water pipe；7th, moisturizing control valve；8th, flow-disturbing heat exchange mechanisms；81st, airway tube；82nd, outer flow-disturbing room；83、
Interior flow-disturbing room；84th, spout hole；85th, aqueous vapor separation chamber；9th, blast pipe.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1, a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment is main
To be made up of heat exchanger 2, liquid seal trough 4 and hydraulic ejector 1, its inlet end connects with heat exchanger 2, its water inlet end and water circulating pump
6 connections, its discharge ends are located in liquid seal trough 4, and in discharge ends connection flow-disturbing heat exchange mechanisms 8；Solution is used after being exchanged heat in liquid seal trough 4
Supplied water in for crude product.
Heat exchanger 2 is the heat exchange element being commonly used, and is mainly used in the use that exchanges heat first using the device, due to original
Heat entrained by beginning crushing air-flow is larger, can directly be exchanged heat by heat exchanger.When heat-exchange temperature reaches 100 DEG C or so
When, it is difficult to which after-heat is recycled by heat exchanger again.
Due to containing part pernicious gas in residual exhaust, partial devices can usually be carried out after heat absorption to tail gas
Spray process, it is removed pernicious gas therein, but during the spray, after-heat will scatter and disappear, and can not reclaim profit
With.And the tail gas that heat exchanger 2 is discharged is led to liquid seal trough 4 by the present embodiment, pass through water-jet between heat exchanger 2 and liquid seal trough 4
Device 1 is connected, and the water inlet end of hydraulic ejector 1 is connected with water circulating pump 6, i.e., the porch of hydraulic ejector 1 is passed through circulation simultaneously
2 emissions of water and heat exchanger, both carry out gas and fully contacted with recirculated water, so as to realize the exchange of heat.
The water inlet of involved water circulating pump 6 is connected with liquid seal trough 4 in the present embodiment, it is preferable that can be arranged on
The bottom of liquid seal trough 4；The delivery port of water circulating pump 6 is connected by circulating water pipe 61 with the water inlet end of hydraulic ejector 1, then can be realized
Aqueous circulates in liquid seal trough 4, it is constantly absorbed the heat in tail gas, so as to realize the secondary recovery of tail gas profit
With.
Titanium white flour flow design air-flow crushing tail gas is after the processing of heat exchange first, the powder that is mingled with tail gas and harmful
Gas is difficult to be removed, and when carrying out secondary heat recovery using hydraulic ejector 1, Tail Gas will be absorbed into circulation
In water, although the recirculated water, due to there is harmful substance, can not be used to other aspects with certain heat.
Aqueous in the present embodiment in liquid seal trough 4 can use sand filter water, and the aqueous after heat exchange directly supplies titanium dioxide crude product
Processing uses.When carrying out the processing of titanium dioxide crude product, if using 60 DEG C or so of water, reaction effect can be greatly improved
Rate, preparation properties of product are preferable, due to being to be utilized again in the preparation of titanium dioxide, while solve and gas is harmful in recirculated water
The harm problem of body.
And by controlling recirculated water circulation time in the present embodiment, it is fully able to reach the temperature transition of recirculated water extremely
It is required that the purpose of temperature, meets production and application demand.That is, on the one hand the present embodiment can carry out waste heat recovery profit
With, moreover it is possible to pernicious gas present in tail gas is removed, and the Posterior circle water that exchanges heat can be processed for titanium dioxide crude product and used, heat
And pernicious gas can be utilized effectively, zero-emission can be regarded as, greatly reduce production cost.
In use, temperature-detecting device can be set in liquid seal trough 4, circulating water temperature after heat exchange reaches requirement
Afterwards, aqueous can be discharged through the draining pump 5 of the bottom of liquid seal trough 4, processes and use for crude product.Then aqueous, temperature are filled into again
Current Temperatures are detected, start the cycle over heat exchange.
Although above-mentioned heat realizes the secondary use of energy, need just make aqueous by repeatedly heat exchange
Temperature significantly improves, and in order to improve energy transmission conversion, the discharge ends of hydraulic ejector 1 are provided with flow-disturbing heat exchange mechanisms 8.Disturb
The main function of stream heat exchange mechanisms 8 is tail gas is fully contacted with circulation aqueous, both is had larger contact area, real
The abundant conversion of existing heat.
In order to reach the purpose, used flow-disturbing heat exchange mechanisms 8 can be the structures such as spiral outlet pipe, shower, one
Aspect makes the contact area of both increases, on the other hand can extend contact time, so that heat conversion is more abundant.
Embodiment 2
A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment, its basic structure
Same as Example 1, its difference is：The present embodiment is provided with water supplement port above liquid seal trough 4, and is controlled by moisturizing
Valve 7 controls current to enter.
Preferably, liquid level gauge can be set in liquid seal trough 4, when liquid level is less than arranges value, automatic controlled water replanishing control
Valve 7 is opened, the moisturizing into liquid seal trough；After water level reaches setting, control moisturizing control valve 7 is closed, by the water in liquid seal trough
Circulated, absorb the heat in tail gas.
The top of liquid seal trough 4 is closed, and is provided with blast pipe 9, and the tail gas concentration after energy is absorbed is discharged from blast pipe 9,
Because the pernicious gas in tail gas is absorbed, the tail gas can be discharged directly, will not cause air pollution.
Embodiment 3
A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment, its basic structure
Same as Example 2, its difference is：Flow-disturbing heat exchange mechanisms 8 are mainly by outer flow-disturbing room 82 and interior flow-disturbing in the present embodiment
Room 83 forms, and outer flow-disturbing room 82 connects with the outlet pipe 3 on hydraulic ejector 1, and make the outflow of hydraulic ejector 1 makes its mixing be situated between
Matter enters outer flow-disturbing room 82.Set interior flow-disturbing room 83 connects with outer flow-disturbing room 82, the interior open top of flow-disturbing room 83, interior flow-disturbing room
83 bottoms are connected to liquid seal trough 4 by water pipe, then the aqueous in outer flow-disturbing room 82 can enter liquid seal trough by interior flow-disturbing room 83
4, circulated so as to realize, heat is constantly absorbed from tail gas.
Due to being mixed with current and air-flow in hydraulic ejector 1, flow velocity is very fast, and discharge, time of contact are touched from both
It is shorter, it is difficult to be fully absorbed heat, therefore, the main purpose of set outer flow-disturbing room 82 and interior flow-disturbing room 83 is that increase is changed
Hot area and time of contact, so that heat exchange is more abundant, enabled amount is fully used.
Outer flow-disturbing room 82 in the present embodiment can be set to back taper, i.e., up big and down small, not limited specifically for its shape
System, can be circle.Similarly, interior flow-disturbing room 83 is up big and down small truncated conical shape.The blending agent quickly flowed enters outer
Behind flow-disturbing room 82, volume becomes big, and the direction of motion is changed, and easily forms eddy flow, so as to allow the disturbing of increase current and air-flow
It is dynamic, it is mutually mixed both.
Gas in outer flow-disturbing room 82 can discharge from top, and liquid in the entrance of the interior top entry of flow-disturbing room 83 by disturbing
Flow chamber 83, due to the presence of pressure, enable its flow into liquid seal trough 4.During interior flow-disturbing room is entered by outer flow-disturbing room 82, current
Realize that deflecting is flowed, disturbed again, be not only able to make both to contact more abundant, effective time of contact is longer, fully real
The disturbance of existing current.
Embodiment 4
With reference to Fig. 2, a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment, its
Basic structure is same as Example 3, and its difference is：Spout hole 84 is provided with above outer flow-disturbing room 82, the spout hole
84 can be distributed along the outer sidewall spacers of flow-disturbing room 82.Further, spout hole 84 can also be arranged on the outer top of flow-disturbing room 82.
Medium into outer flow-disturbing room 82 includes gas and liquid, can completely enclose the outer top of flow-disturbing room 82, due to
Caused pressure effect, gas-liquid mixed media separate after the discharge of liquid seal trough 4.But by analysis, in blending agent by disturbing
When flowing heat exchange mechanisms 8, because flow-disturbing effect is larger, gas is concentrated at the top of outer flow-disturbing room 82 mostly, and set overflow
Hole 84 contributes to gas to be discharged in liquid seal trough 4, and then can be discharged by blast pipe 9.
Embodiment 5
With reference to Fig. 3, a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment, its
Basic structure is same as Example 3, and its difference is：Spout hole 84 is not provided with the present embodiment, but in outer flow-disturbing
The top of room 82 is connected with airway tube 81, and the bottom of liquid seal trough 4 is stretched into the gas outlet of the airway tube 81.
Gas after separation contacts with liquid in liquid seal trough 4 again by airway tube 81, can reach cleaning of off-gas again
Effect.And the bottom of liquid seal trough 4 is stretched into the gas outlet of airway tube 81, contributes to the disturbance of bottom liquid, make circulation fluid distribution more
Uniformly.
Embodiment 6
With reference to Fig. 4, a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system of the present embodiment, its
Basic structure is same as Example 5, and its difference is：In use, the liquid level face in liquid seal trough 4 is less than on outer flow-disturbing room 82
Surface, because external and internal pressure is poor, the liquid gushed out from outer flow-disturbing room 82 will not excessively high on gush.The outer upper surface of flow-disturbing room 82 is set
There is the aqueous vapor separation chamber 85 for exhaust, the air inlet of airway tube 81 is connected with aqueous vapor separation chamber 85.
Due to gushing limited height on liquid, the separated gas of flow-disturbing is concentrated in aqueous vapor separation chamber 85, Jin Eryou
Airway tube 81 is discharged.In embodiment 5, if water velocity is larger, it is easy to cause airway tube 81 to be blocked, gas-liquid is from leading
Tracheae 81 circulates, gas liquid separating function unobvious.
It should be noted that, although gas after being mixed into liquid seal trough with liquid is then exhausted from that gas-liquid separation, gas can be realized
Body is again introduced into liquid seal trough and separated after directly being separated in aqueous vapor separation chamber 85 with liquid can also realize gas-liquid separation, but two
Person's effect simultaneously differs.Gas-liquid is mixed all the time in first way, and gas is likely to form in any case with current
Viscous effect, both are difficult to carry out mutually fusion again and absorbed, and the harmful substance in gas is difficult to remove completely.And the second way
Lower gas realizes aqueous vapor separation, the liquid being again introduced into when gas by airway tube 81 in liquid seal trough in aqueous vapor separation chamber 85
When middle, equivalent to gas-liquid mixed has been carried out again, so as to realize the effect of multiple vent gas treatment, the absorption cleaning of tail gas is more filled
Point.
Further, the gas port that the outer flow-disturbing room 82 in the present embodiment can be arranged by its upper surface separates with aqueous vapor
Room 85 connects.Outer flow-disturbing room 82 can directly connect with the connection of aqueous vapor separation chamber 85, but this mode may also have aqueous
Block airway tube, it is preferable that the outer upper surface of flow-disturbing room 82 set gas port, gas port can water conservancy diversion, non-interconnected position is to water
Stream also has certain suppression, so as to effectively realize that aqueous vapor separates.
Embodiment 7
For the titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system in above scheme, the present embodiment
A kind of secondary waste heat recoverying and utilizing method of titanium white flour flow design air-flow crushing tail gas is provided, its process is：
Step 1：Moisturizing control valve 7 is opened, is supplied water to liquid seal trough 4, reaches setting water level；
Step 2：ON cycle water pump 6 supplies water to hydraulic ejector 1, controls water velocity；
Step 3：The intake valve of hydraulic ejector 1 is opened, the air-flow in heat exchanger 2 enters hydraulic ejector 1；
Step 4：Gas-vapor mix medium enters flow-disturbing heat exchange mechanisms 8 through outlet pipe 3, and is ultimately discharged into liquid seal trough 4,
Form circulation；
Step 5：Fluid temperature is detected using temperature-detecting device, after design temperature is reached, from draining pump to titanium dioxide
Crude product supplies water；
Step 6：After water level is less than setting value, moisturizing control valve 7 is opened, and is supplied water again into liquid seal trough 4, temperature detection
Device detects that fluid temperature is less than setting value, stops draining, carries out next round cycle heat exchange.
Specifically, it is as follows using such scheme as guidance, practical operation：
Step 1：Moisturizing control valve 7 is opened, is supplied water to liquid seal trough 4, reaches setting water level, setting aqueous position 60m3；
Because generic container bottom area is certain, therefore its liquid level can be represented with volume.
Step 2：ON cycle water pump 6 supplies water to hydraulic ejector 1, control water velocity 100m3/h；
Step 3：The intake valve of hydraulic ejector 1 is opened, the air-flow in heat exchanger 2 enters hydraulic ejector 1；
Step 4：Gas-vapor mix medium enters flow-disturbing heat exchange mechanisms 8 through outlet pipe 3, and is ultimately discharged into liquid seal trough 4,
Form circulation；
Step 5：Fluid temperature is detected using temperature-detecting device, after 50 DEG C of design temperature is reached, from draining pump to titanium
White powder crude product supplies water；In general inflow temperature, by repeatedly circulation, can be warming up to 50 in about 30 minutes in the range of 20~25 DEG C
℃。
Step 6：Water level is less than setting value 30m3Afterwards, moisturizing control valve 7 is opened, and is supplied water again into liquid seal trough 4, due to
Cooling aqueous fills into, and water temperature reduces, and after temperature-detecting device detects that fluid temperature is less than 50 DEG C of setting value, stops draining,
Carry out next round cycle heat exchange.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, without departing from the spirit of the invention, without creativeness designing with should
The similar frame mode of technical scheme and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system, including heat exchanger (2) and liquid seal trough
(4), it is characterised in that：Also include hydraulic ejector (1), its inlet end connects with heat exchanger (2), its water inlet end and water circulating pump
(6) connecting, its discharge ends is located in liquid seal trough (4), and in discharge ends connection flow-disturbing heat exchange mechanisms (8)；Exchanged heat in liquid seal trough (4)
Solution is used to supply water for crude product afterwards.
2. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 1, its
It is characterised by：Water supplement port is provided with above described liquid seal trough (4), and controls current to enter by moisturizing control valve (7).
3. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 1, its
It is characterised by：Closed above the liquid seal trough (4), and be provided with blast pipe (9)；Draining pump is connected with liquid seal trough (4) bottom
(5)。
4. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 1, its
It is characterised by：The flow-disturbing heat exchange mechanisms (8) are mainly made up of outer flow-disturbing room (82) and interior flow-disturbing room (83), outer flow-disturbing room (82)
Connected with the outlet pipe (3) on hydraulic ejector (1)；The interior flow-disturbing room (83) connects with outer flow-disturbing room (82), interior flow-disturbing room
(83) bottom is connected to liquid seal trough (4) by water pipe.
5. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 4, its
It is characterised by：Spout hole (84) is provided with above the outer flow-disturbing room (82).
6. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 4, its
It is characterised by：The outer flow-disturbing room (82) is back taper.
7. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 4, its
It is characterised by：Outer flow-disturbing room (82) top is connected with airway tube (81), and liquid seal trough is stretched into the gas outlet of the airway tube (81)
(4) bottom.
8. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 4, its
It is characterised by：In use, the liquid level face in liquid seal trough (4) is less than outer flow-disturbing room (82) upper surface.
9. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 8, its
It is characterised by：Outer flow-disturbing room (82) upper surface is provided with the aqueous vapor separation chamber (85) for exhaust, and airway tube (81) are entered
Gas port is connected with aqueous vapor separation chamber (85).
10. a kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system according to claim 9, its
It is characterised by：The outer flow-disturbing room (82) is connected by the gas port that its upper surface is arranged with aqueous vapor separation chamber (85).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959023A (en) * | 2017-05-16 | 2017-07-18 | 安徽金星钛白（集团）有限公司 | A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system |
| CN108397786A (en) * | 2018-02-09 | 2018-08-14 | 林文华 | A kind of flue gas purification system of waste heat recoverable |
| CN108397787A (en) * | 2018-02-09 | 2018-08-14 | 林文华 | It is a kind of that flue gas is received into water and the flue gas purification system of heat recovery |
-
2017
- 2017-05-16 CN CN201720541109.5U patent/CN206739921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959023A (en) * | 2017-05-16 | 2017-07-18 | 安徽金星钛白（集团）有限公司 | A kind of titanium white flour flow design air-flow crushing tail gas secondary waste heat recycling system |
| CN108397786A (en) * | 2018-02-09 | 2018-08-14 | 林文华 | A kind of flue gas purification system of waste heat recoverable |
| CN108397787A (en) * | 2018-02-09 | 2018-08-14 | 林文华 | It is a kind of that flue gas is received into water and the flue gas purification system of heat recovery |
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