CN107324578A - A kind of shale gas produced water treatment system and method - Google Patents
A kind of shale gas produced water treatment system and method Download PDFInfo
- Publication number
- CN107324578A CN107324578A CN201710712220.0A CN201710712220A CN107324578A CN 107324578 A CN107324578 A CN 107324578A CN 201710712220 A CN201710712220 A CN 201710712220A CN 107324578 A CN107324578 A CN 107324578A
- Authority
- CN
- China
- Prior art keywords
- water
- shale gas
- heat exchanger
- treatment system
- raw water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002425 crystallisation Methods 0.000 claims abstract description 33
- 230000008025 crystallization Effects 0.000 claims abstract description 31
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 238000003303 reheating Methods 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000108 ultra-filtration Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000012805 post-processing Methods 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims 1
- 239000007789 gas Substances 0.000 description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation 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
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of shale gas produced water treatment system and method, system includes：Filter；Preheating unit, including pre- heat exchanger, raw water box and feed pump；Circulating and evaporating unit, including circulation heat exchanger, the first crystallizing evaporator, circulating pump, triple valve；Reclaim heat exchange unit, including compressor and stripper；Method includes the raw water filtration of shale gas recovered water removing impurity, and is preheated to 50~90 DEG C；The steam that evaporative crystallization is formed carries out reheating to the raw water after preheating to 95~130 DEG C, and the condensed water that reheating is formed is preheated to the raw water after filtering.The present invention carries out circulating and evaporating crystallization by circulating and evaporating unit to shale gas recovered water, which shorten handling process, and the steam of evaporative crystallization formation in the first crystallizing evaporator is treated to the raw water progress reheating and preheating of evaporative crystallization successively by reclaiming heat exchange unit, which raises the energy utilization rate of evaporative crystallization, energy resource consumption is reduced.
Description
Technical field
The present invention relates to shale gas produced water treatment technology, more particularly, to a kind of shale gas produced water treatment system and side
Method.
Background technology
Shale gas as a kind of cleaning, low-carbon, high reserves the Unconventional gas energy, it has also become Global Oil and Gas Resources are surveyed
Visit the new highlight of exploitation.Shale gas exploitation process produces a large amount of high slat-containing wastewaters, and how economical and efficient processing shale gas extraction is useless
Water, realizes shale gas clean manufacturing, and the tremendous development and environmental protection to shale gas are significant.
At present, existing shale gas recovered water is mainly using two kinds of processing methods, and one kind is method of chemical treatment, and it needs to add
Enter a variety of pharmacy responses and catalysis medicament, its processing cost remains high, another is evaporative crystallization method, and its needs carries out multistage
Evaporation causes handling process complexity, handling process long, and easy consumption mass energy.In view of this there is provided a kind of handling process it is short,
The low shale gas produced water treatment system of energy-output ratio turns into urgent problem to be solved at this stage.
The content of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of shale gas produced water treatment system and method is proposed,
Solve the big technical problem of the handling process length of evaporative crystallization method processing shale gas recovered water, energy resource consumption in the prior art.
To reach above-mentioned technical purpose, technical scheme provides a kind of shale gas produced water treatment system, including：
Filter；
Preheating unit, its raw water included in pre- heat exchanger, the raw water box being connected with filter and a driving raw water box is entered
Enter the feed pump of the first heat exchanging chamber of pre- heat exchanger；
Circulating and evaporating unit, it includes circulation heat exchanger, the first crystallizing evaporator, circulating pump, triple valve and drainage conduit；Institute
The first heat exchanger tube one end for stating circulation heat exchanger is connected with the first heat exchanging chamber, the other end is connected with first crystallizing evaporator,
The water inlet end of the circulating pump is connected with the first crystallizing evaporator bottom, water side is exchanged heat with first respectively by triple valve
Pipe and drainage conduit connection；
Heat exchange unit is reclaimed, it includes and compressor and stripper, described compressor one end and first evaporative crystallization
The connection of device top, the other end are connected with the water inlet end of the second heat exchanger tube of the circulation heat exchanger, described stripper one end and the
The water side connection of two heat exchanger tubes, the other end are connected with the second heat exchanging chamber of the pre- heat exchanger.
Meanwhile, the present invention also provides a kind of shale gas method for treating water cut out, comprises the following steps：
(1) raw water filtration of shale gas recovered water is removed into impurity, and is preheated to 50~90 DEG C；
(2) steam for forming evaporative crystallization carries out reheating to the raw water after preheating to 95~130 DEG C, and by two
The secondary condensed water being thermally formed is preheated to the raw water after being filtered in step (1)；
Compared with prior art, the present invention carries out circulating and evaporating crystallization by circulating and evaporating unit to shale gas recovered water,
Which shorten handling process, and it is by reclaiming heat exchange unit that the steam of evaporative crystallization formation in the first crystallizing evaporator is right successively
The raw water of crystallization to be evaporated carries out reheating and preheating, which raises the energy utilization rate of evaporative crystallization, reduces the energy
Consumption.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of the shale gas produced water treatment system of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, the invention provides a kind of shale gas produced water treatment system, including filter 1, preheating unit 2,
Circulating and evaporating unit 3, recovery heat exchange unit 4, BAF 5 and post-processing unit 6.
Filter 1 can use tubular ultra-filtration membrane, solid, suspension that it can be in the raw water of outlet shale gas recovered water etc.
Impurity, because the industrial flow of the present embodiment is simple, therefore pre-treatment is filtered only by tubular ultra-filtration membrane, before which reducing
Handling process and cost.
Preheating unit 2 includes the original in pre- heat exchanger 21, the raw water box 22 and one being connected with filter 1 driving raw water box 22
Water enters the feed pump 23 of the first heat exchanging chamber of pre- heat exchanger 21, and the raw water after tubular ultra-filtration membrane is filtered, which enters, is stored in original
In water tank 22, the raw water in raw water box 22 can be entered pre- heat exchanger 21 by it by feed pump 23, and pre- heat exchanger 21 has
Hot water in first heat exchanging chamber and the second heat exchanging chamber, the second heat exchanging chamber can be preheated to the raw water in the first heat exchanging chamber, and one
As be preheated to 50~90 DEG C.Wherein, pre- heat exchanger 21 can use notification number disclosed in CN 204214315U patent of invention
The first heat exchanging chamber is formed in tubular heat exchanger, multiple tubulations of the tubular heat exchanger, and the cavity between multiple tubulations is
Second heat exchanging chamber.
Circulating and evaporating unit 3 includes circulation heat exchanger 31, the first crystallizing evaporator 32, circulating pump 33, triple valve 34 and row
Expects pipe 35；Circulation heat exchanger 31 can use plate type heat exchanger, and it at least has the first heat exchanger tube 311 and the second heat exchanger tube 312, the
It is high-temperature medium in two heat exchanger tubes 312, it can be heated to be transferred to the first heat exchanger tube to the heat exchanger plates of plate type heat exchanger
311, and by the raw water reheating after being preheated in the first heat exchanger tube 311 to 95~130 DEG C；Specifically, the first heat exchanger tube 311
Water inlet end connected with the first heat exchanging chamber, water side is connected with the first crystallizing evaporator 32, pre-warmed original in the first heat exchanging chamber
Water, which enters in the first heat exchanger tube 311 after reheating, reheating enter in the first crystallizing evaporator 32, is evaporated knot
Crystalline substance, in order to improve the utilization rate of evaporative crystallization effect and the energy, the water inlet end of the circulating pump 33 of the present embodiment and the first evaporation are tied
The brilliant bottom of device 32 connection, water side are connected with the first heat exchanger tube 311 and drainage conduit 35 respectively by triple valve 34, when the first evaporation
Liquid heating concentration in crystallizer 32 reached after setting value, and adjustable triple valve 34 causes going out for drainage conduit 35 and circulating pump 33
Water end (W.E.) is connected, and circulating pump 33 can drive concentrate to be discharged by drainage conduit in order to later crystallization, and when the first crystallizing evaporator 32
When interior liquid is less than setting concentration, then triple valve 34 turns on the heat exchanger tube 311 of circulating pump 33 and first, i.e. circulating pump 33 by first
Liquid circulation in crystallizing evaporator 32 is delivered into the first heat exchanger tube 311 to carry out circulating-heating, consequently facilitating circulating picture-changing
The hot crystallizing evaporator 32 of device 31 and first can be circulated to be heated to shale gas recovered water, its be conducive to improve the efficiency of heating surface,
Shorten heating stroke.Wherein, the present embodiment circulating and evaporating unit 3 also includes one located at the evaporative crystallization of circulation heat exchanger 31 and first
Choke valve 36 between device 32, it may be such that raw water decompression enters the first crystallizing evaporator 32, and -0.02~0.05MPa's
Under pressure, form steam and enter and reclaim heat exchange unit 4.Middle evaporation, the crystallization of first crystallizing evaporator 32 of the present embodiment are same
Shi Fasheng, therefore the TDS concentration of the concentrate in the first crystallizing evaporator 32 may be up to 400000~500000mg/L.Need explanation
When, the thing that mainly contains in shale gas recovered water is sodium chloride, sodium sulphate, ammonia nitrogen and organic matter etc., and organic matter by with
Ammonia nitrogen is more to enter compressor during evaporation and crystal process, the predominantly sodium chloride of crystallization in the first crystallizing evaporator 32,
Therefore when the concentration of concentrate is controlled in the first crystallizing evaporator of the present embodiment 32, crystallization and other salt are largely separated out with sodium chloride
Class does not separate out crystallization and is preferred.
Heat exchange unit 4 is reclaimed, it includes and compressor 41 and stripper 42, the one end of compressor 41 and the first crystallizing evaporator
The connection of 32 tops, the other end are connected with the water inlet end of the second heat exchanger tube 312 of plate type heat exchanger, and the one end of stripper 42 is changed with second
The water side connection of heat pipe 312, the other end are connected with the second heat exchanging chamber of pre- heat exchanger 21.First crystallizing evaporator 32 is to page
When rock gas recovered water is evaporated crystallization, the substantial amounts of high-temperature steam containing volatile organic matter and ammonia is formed, the present embodiment leads to
Above-mentioned high-temperature steam is compressed further to improve the temperature of steam by overcompression machine 41, and the temperature after heating up again is much high
In the temperature of the raw water in the first heat exchanger tube 311, therefore above-mentioned high-temperature steam is passed through in the second heat exchanger tube 312, it can be to first
Raw water in heat exchanger tube 311 is heated, and which obviates the waste of heat in high-temperature steam, improves heat energy source utilization rate；Together
When, the condensed water formed after the interior heat exchange of the second heat exchanger tube 312 can remove part COD and ammonia nitrogen by stripper 42, formed by
The temperature of 90~120 DEG C of condensed water is still higher, and it can be delivered to the second heat exchanging chamber of pre-heater, and it can exchange heat to first
The raw water of intracavitary is heated to 50~90 DEG C, the waste water containing COD and ammonia nitrogen close to normal temperature is eventually formed, due to pre- heat exchanger 21
The water side of the second heat exchanging chamber connected with a BAF 5, above-mentioned waste water can be passed through BAF 5, through overexposure
Gas biofilter 5 forms the water quality for reaching discharge standard after handling.
Shale gas produced water treatment system described in the present embodiment also includes a post-processing unit 6, and it includes whizzer
61 and second crystallizing evaporator 62, the water inlet end of whizzer 61 is connected with drainage conduit 35, water side and the second evaporative crystallization
Device 62 is connected.Wherein, the whizzer 61 of the present embodiment has a thickener 611, and it can promote by circulating and evaporating unit 3
The further condensing crystallizing of concentrate after heating, forms the crystallization of bulky grain sodium chloride, and the mother liquor after centrifugation then enters
Enter and carry out double evaporation-cooling crystallization in the second crystallizing evaporator 62 and form mixed salt.
Because the second crystallizing evaporator 62 is also easy to produce a large amount of steam in evaporative crystallization, therefore the evaporative crystallization of the present embodiment second
The top of device 62 is connected with the inlet end of compressor 41, its high-temperature steam of generation of the second crystallizing evaporator 62 can be conveyed into
Enter circulation heat exchanger 31 and pre- heat exchanger 21, in order to enter reheating and preheating to raw water, and then improve the profit of heat energy
With rate.
The specific handling process of shale gas recovered water of the present invention is as follows：The raw water of shale gas recovered water is passed through into tubular type ultrafiltration
Film is filtered to remove the impurity such as solid and suspension, is then preheated to 50~90 DEG C by pre- heat exchanger 21, and will
Raw water after preheating is by recirculation heater reheating to 95~130 DEG C, and the raw water after reheating enters the first evaporation
Crystallization is evaporated in crystallizer 32, while the concentrate formed after evaporative crystallization can sequentially enter the He of circulation heat exchanger 31
First crystallizing evaporator 32 carries out circulating-heating, evaporative crystallization, can also be discharged by drainage conduit 35, and the first crystallizing evaporator 32
The high-order steam of interior formation can be by entering circulation heat exchanger 31 after the compression heating of compressor 41, and it can be carried out secondary add to raw water
Heat, and the condensed water formed after reheating can be preheated into pre- heat exchanger 21, formed after preheating close to normal temperature
Condensed water can pass through BAF 5 carry out biochemical treatment；The concentrate that drainage conduit 35 is discharged can pass through whizzer
61 carry out stiff, centrifuging treatment successively, so that the sodium chloride in concentrate can largely form crystalline solid separation, and divide
Mother liquor from after is then evaporated by the second crystallizing evaporator 62 crystallizes and is formed shape in mixed salt, and the second crystallizing evaporator 62
It can deliver into compressor 41 to carry out reheating and preheating respectively to raw water into steam.
The embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding changes and deformation that the technical concept of the present invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (9)
1. a kind of shale gas produced water treatment system, it is characterised in that including：
Filter；
Preheating unit, its raw water included in pre- heat exchanger, the raw water box being connected with filter and a driving raw water box enters pre-
The feed pump of first heat exchanging chamber of heat exchanger；
Circulating and evaporating unit, it includes circulation heat exchanger, the first crystallizing evaporator, circulating pump, triple valve and drainage conduit；It is described to follow
First heat exchanger tube one end of ring heat exchanger is connected with the first heat exchanging chamber, the other end is connected with first crystallizing evaporator, described
The water inlet end of circulating pump is connected with the first crystallizing evaporator bottom, water side by triple valve respectively with the first heat exchanger tube and
Drainage conduit is connected；
Heat exchange unit is reclaimed, it includes and compressor and stripper, described compressor one end and the first crystallizing evaporator top
End connection, the other end are connected with the water inlet end of the second heat exchanger tube of the circulation heat exchanger, and described stripper one end is changed with second
The water side connection of heat pipe, the other end are connected with the second heat exchanging chamber of the pre- heat exchanger.
2. shale gas produced water treatment system according to claim 1, it is characterised in that the shale gas produced water treatment
System also includes a BAF, and it is connected with the water side of the second heat exchanging chamber of the pre- heat exchanger.
3. shale gas produced water treatment system according to claim 2, it is characterised in that the shale gas produced water treatment
System also includes a post-processing unit, and it includes whizzer and the second crystallizing evaporator, the water inlet of the whizzer
End is connected with the drainage conduit, water side is connected with second crystallizing evaporator.
4. shale gas produced water treatment system according to claim 3, it is characterised in that second crystallizing evaporator
Top is connected with the inlet end of the compressor.
5. shale gas produced water treatment system according to claim 1, it is characterised in that the circulating and evaporating unit is also wrapped
One is included located at the choke valve between circulation heat exchanger and the first crystallizing evaporator.
6. shale gas produced water treatment system according to claim 1, it is characterised in that the filter is tubular type ultrafiltration
Film.
7. a kind of shale gas method for treating water cut out, it is characterised in that comprise the following steps：
(1) raw water filtration of shale gas recovered water is removed into impurity, and is preheated to 50~90 DEG C；
(2) steam for forming evaporative crystallization carries out reheating to the raw water after preheating to 95~130 DEG C, and adds secondary
The condensed water of thermosetting is preheated to the raw water after being filtered in step (1).
8. shale gas method for treating water cut out according to claim 7, it is characterised in that the shale gas produced water treatment
Method is also handled the condensed water after preheating by BAF including step (3), and the liquid of evaporative crystallization is entered
Row is centrifuged.
9. shale gas method for treating water cut out according to claim 7, it is characterised in that the step (2) also includes will
The concentration waste water that the steam of evaporative crystallization formation is formed to evaporative crystallization carries out circulating-heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712220.0A CN107324578A (en) | 2017-08-18 | 2017-08-18 | A kind of shale gas produced water treatment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712220.0A CN107324578A (en) | 2017-08-18 | 2017-08-18 | A kind of shale gas produced water treatment system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107324578A true CN107324578A (en) | 2017-11-07 |
Family
ID=60224129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710712220.0A Pending CN107324578A (en) | 2017-08-18 | 2017-08-18 | A kind of shale gas produced water treatment system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107324578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574360A (en) * | 2019-01-09 | 2019-04-05 | 广东台泉环保科技有限公司 | A kind of amount moving emergency sewage device for treating leachate with high salt |
| CN111302567A (en) * | 2020-03-10 | 2020-06-19 | 重庆工业职业技术学院 | Evaporator of sewage biochemical treatment device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693702A (en) * | 2013-09-21 | 2014-04-02 | 四川运辉环保工程有限公司 | Gas field produced water heat pump combination demineralizing equipment and demineralizing method |
| CN103787542A (en) * | 2014-01-28 | 2014-05-14 | 广州新普利节能环保科技有限公司 | Process and device for recovering and treating wastewater generated by preparing sebacic acid with castor oil |
| CN203855428U (en) * | 2014-05-24 | 2014-10-01 | 四川运辉环保工程有限公司 | Gas field produced water heat pump combined forced circulation evaporation and crystallization demineralizer |
| US20150292314A1 (en) * | 2012-09-13 | 2015-10-15 | General Electric Company | Treatment of produced water with seeded evaporator |
| CN105000740A (en) * | 2015-07-16 | 2015-10-28 | 广州市心德实业有限公司 | Garbage leachate treatment process and system |
| CN105110396A (en) * | 2015-09-22 | 2015-12-02 | 自贡市轻工业设计研究院有限责任公司 | Method and device for continuously separating low-boiling point substances in wastewater produced by extraction of natural gas and shale gas |
| CN106809896A (en) * | 2017-02-20 | 2017-06-09 | 上海蓝科石化环保科技股份有限公司 | A kind of organic wastewater treating system and method |
| CN207313348U (en) * | 2017-08-18 | 2018-05-04 | 武汉凯迪水务有限公司 | A kind of shale gas produced water treatment system |
-
2017
- 2017-08-18 CN CN201710712220.0A patent/CN107324578A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150292314A1 (en) * | 2012-09-13 | 2015-10-15 | General Electric Company | Treatment of produced water with seeded evaporator |
| CN103693702A (en) * | 2013-09-21 | 2014-04-02 | 四川运辉环保工程有限公司 | Gas field produced water heat pump combination demineralizing equipment and demineralizing method |
| CN103787542A (en) * | 2014-01-28 | 2014-05-14 | 广州新普利节能环保科技有限公司 | Process and device for recovering and treating wastewater generated by preparing sebacic acid with castor oil |
| CN203855428U (en) * | 2014-05-24 | 2014-10-01 | 四川运辉环保工程有限公司 | Gas field produced water heat pump combined forced circulation evaporation and crystallization demineralizer |
| CN105000740A (en) * | 2015-07-16 | 2015-10-28 | 广州市心德实业有限公司 | Garbage leachate treatment process and system |
| CN105110396A (en) * | 2015-09-22 | 2015-12-02 | 自贡市轻工业设计研究院有限责任公司 | Method and device for continuously separating low-boiling point substances in wastewater produced by extraction of natural gas and shale gas |
| CN106809896A (en) * | 2017-02-20 | 2017-06-09 | 上海蓝科石化环保科技股份有限公司 | A kind of organic wastewater treating system and method |
| CN207313348U (en) * | 2017-08-18 | 2018-05-04 | 武汉凯迪水务有限公司 | A kind of shale gas produced water treatment system |
Non-Patent Citations (3)
| Title |
|---|
| [美]C.D.霍兰: "《创新发展中的中国焦化业》", 哈尔滨工业大学出版社, pages: 255 - 144 * |
| 张珂等: "《造纸工业污染防治技术与环境管理》", 30 November 1988, 轻工业出版社, pages: 96 * |
| 王沛: "《中药制药工程原理与设备》", 31 August 2016, 中国中医药出版社, pages: 162 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574360A (en) * | 2019-01-09 | 2019-04-05 | 广东台泉环保科技有限公司 | A kind of amount moving emergency sewage device for treating leachate with high salt |
| CN111302567A (en) * | 2020-03-10 | 2020-06-19 | 重庆工业职业技术学院 | Evaporator of sewage biochemical treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104829026B (en) | High salt high concentration cellulose ether sewage disposal system | |
| CN104692574A (en) | Treatment method of high saline wastewater | |
| WO2006094437A1 (en) | A method and an multi-effect evaporation for waste water of alkylene oxides | |
| CN102616972B (en) | Comprehensive recycling method and device for high-salt-content amino acid waste water | |
| CN104922974B (en) | A kind of concentration device for material liquid | |
| CN106746110A (en) | A kind of device and processing method for processing high ammonia nitrogen and high salt waste water | |
| CN103657122A (en) | Sextuple-effect evaporation device | |
| CN107140779A (en) | The zero-discharge treatment system and its processing method of a kind of nuclear power plant evaporator sewer | |
| WO2022057052A1 (en) | Treatment system and treatment method for landfill leachate wastewater | |
| CN204034286U (en) | Board-like mechanical vapour recompression evaporator | |
| CN203591603U (en) | Sextuple-effect evaporator | |
| CN206288987U (en) | Many warm water-driven horizontal tube falling film multiple-effect evaporation crystallization apparatus | |
| CN107324578A (en) | A kind of shale gas produced water treatment system and method | |
| CN106145487A (en) | A kind of technique processing rare-earth trade high-concentration ammonia nitrogenous wastewater reuse | |
| CN104810071B (en) | Method and equipment for deep purifying of boron-containing radioactive waste liquid and recovery of boric acid | |
| CN113307433A (en) | Four-effect cross-flow pharmaceutical wastewater evaporative crystallization system with external heat exchanger | |
| CN207313348U (en) | A kind of shale gas produced water treatment system | |
| CN104724778A (en) | Method for salt extraction from desulfurization waste solution through multi-effect evaporation | |
| CN105174587B (en) | A kind of slurrying vacuum in draft tube Zero discharge treatment method | |
| CN204939142U (en) | Treatment facility of desulfurization waste water that flue gas desulfurization system discharged | |
| CN114949893B (en) | Evaporation crystallization process and device for producing lithium chloride from salt lake brine | |
| CN110921744A (en) | High-salt-content wastewater treatment method | |
| CN207108723U (en) | A kind of zero-discharge treatment system of nuclear power plant evaporator sewer | |
| CN105198025B (en) | A kind of waste heat drives the brine waste evaporation and crystallization system integral design method of heat pump | |
| CN202849194U (en) | Comprehensive recycling device of high-salt-content amino acid wastewater |
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: 20171107 |
|
| RJ01 | Rejection of invention patent application after publication |