CN201634463U - Device for minimizing drilling wastewater by utilizing diesel exhaust - Google Patents
Device for minimizing drilling wastewater by utilizing diesel exhaust Download PDFInfo
- Publication number
- CN201634463U CN201634463U CN2010201241657U CN201020124165U CN201634463U CN 201634463 U CN201634463 U CN 201634463U CN 2010201241657 U CN2010201241657 U CN 2010201241657U CN 201020124165 U CN201020124165 U CN 201020124165U CN 201634463 U CN201634463 U CN 201634463U
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- drilling
- rotatory evaporator
- heat
- waste water
- diesel engine
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Abstract
The utility model discloses a device for minimizing drilling wastewater by utilizing diesel exhaust, which comprises a heat exchange muffler (3), wherein the device takes the exhaust of a drilling diesel as the heat source without the need of additional fuel, so as to reduce the cost by reasonably utilizing the diesel exhaust; meanwhile, the device can recover the distilled water vapor evaporated from the drilling wastewater for extra use, carry away the quantified and condensed drilling water to reduce the environmental pollution, minimize the drilling water and recover the distilled water, reasonably and completely utilize the drilling diesel exhaust, and utilize a rotatory evaporator, and therefore, the device for minimizing drilling wastewater has the advantages of high efficiency, simple structure, suitability for all fields of drilling and exploration, and extensive application range.
Description
Technical field
The utility model relates to the treatment unit of stone oil well drilling sullage, a kind of device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water of saying so more specifically.
Background technology
Diesel engine unit is the indispensable propulsion source of drilling operation, and the well site is conventional to dispose greater than four of 1000kVA units two of per tour works better.Every diesel engine unit smoke discharge amount: 15480m
3/ h, temperature out: 540 degree.At present, the thermo-efficiency of conventional oil engine is generally 20% to 40% (petrol motor is 20% to 30%, and diesel engine is 30% to 40%).The thermal radiation of most of heat of fuel combustion by tail gas, heat-conducting medium and body is dissipated in the atmosphere with the form of waste heat.This not only causes the waste of the energy, and becomes the major reason of oil engine contaminate environment.Along with developing rapidly of China Petroleum, it plays the effect of certain promotion to national economy, but in petroleum and natural gas exploratory development process, can produce corresponding gas, Gu, liquid waste, formation is to the potential pollution source of environment, discarded drilling waste water is one of source of pollution main in the oilfield explorating developing process, generally contain metal-salt in the drilling waste water, organic polymer, oils etc., municipal sewage system is arrived in these sewage discharges, the farmland, great pollution will be caused to soil and water source in river embankment or ocean, therefore, reasonably handling drilling waste water is one of major issue that reduces petroleum drilling exploratory development environmental pollution.For the processing foreign study of drilling waste water early, wherein the method for Chu Liing is also varied, method commonly used has direct discharging to inject the annular space of safe formation or well, backfill is handled, solidification treatment and mechanical separation etc., situ of drilling well adopts the one-level concrete to handle drilling waste water more, but because the complicacy and the polytropy of drilling waste water, its treatment effect is undesirable, simultaneously because the singularity of drilling operation course, degree of depth sewage treatment process is at equipment, operability merchant often also is difficult to implement, the drilling well field is many to hoard drilling waste water in the bigger waste gas station well liquid pool of floor space, sewage is in case leak or seepage, to cause serious environmental to pollute, therefore, the processing of drilling waste water inhibition all is the problem that each oil-gas field unit in charge of construction is concerned about.
At the problems referred to above, all done relative measures both at home and abroad, especially national team such as the U.S., USSR (Union of Soviet Socialist Republics) drilling waste water has been done comparatively detailed research, its main method can reduce: physics method, chemical method, physico-chemical processes etc., wherein comparatively outstanding with the treatment effect of physics method, chemical method, but how to screen, develop suitable coagulating agent, flocculation agent and treatment process at equipment, operability is first-class all more problem, thereby has limited its widespread use in drilling prospection.
Domestic in recent years how tame petroleum prospecting unit has also done research to the sewage of drilling well, consider to adopt some low costs, drilling waste water is handled in the measure of high effect, to reduce pollution to the drilling prospection surrounding environment, as disclosed a kind of method of utilizing diesel engine vent gas to handle waste liquid of drilling in the Chinese patent 200710049484.9, it adopts diesel exhaust to evaporate thermal source as drilling waste water, reach purpose by diesel engine vent gas convection current in drying tower to the drilling waste water evaporation concentration, but because its evaporation mode can't reclaim the water vapour that evaporates from drilling waste water, and the utilization ratio to diesel engine vent gas is low, so this method can not satisfy in the actual well drilled exploration place processing to drilling waste water.
The utility model content
The purpose of this utility model is to solve above-mentioned deficiency, provides a kind of and can reclaim a kind of device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water of water purifying from drilling waste water.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
The device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water of the present utility model, comprise rotatory evaporator, described device also comprises the heat exchange sourdine, the heat-conducting medium storage tank, the high temperature circulation pump, condenser and concentration basin, wherein rotatory evaporator is provided with sewage inlet, the enriched product outlet, steam outlet and circulation connecting tube, by the circulation connecting tube successively with the top of rotatory evaporator, the heat exchange sourdine, the high temperature circulation pump, the heat-conducting medium storage tank, the below of rotatory evaporator is communicated with, store heat-conducting medium in the heat-conducting medium storage tank, heat-conducting medium is flowing in the circulation connecting tube under the high temperature circulation pumping action, concentration basin is arranged on the rotatory evaporator bottom and is connected with the enriched product outlet, condenser is arranged on the top of rotatory evaporator and is connected with steam outlet, and the top at the top of rotatory evaporator is provided with the water purification recovery tube; The heat exchange sourdine is connected with the vapor pipe of diesel engine simultaneously.
Further technical scheme is: be connected for flange between the below of the top of described circulation connecting tube and rotatory evaporator, heat exchange sourdine, high temperature circulation pump, heat-conducting medium storage tank, rotatory evaporator.
Further technical scheme is: described rotatory evaporator is worked under negative pressure state.
Compared with prior art, the beneficial effects of the utility model are: unit is that tail gas by drilling diesel engine is as thermal source, do not need Extra Supply fuel again, reasonable use diesel engine vent gas, cost is lower, the water vapour that evaporates can be made extra usefulness with the form recovery of distilled water by unit from drilling waste water simultaneously, the drilling waste water that just quantizes after the concentration is transported, reduce it to pollution that environment brought, its processing technological flow is simple, drilling waste water is carried out minimizing is handled and reclaim distilled water, and reasonably the tail gas of drilling diesel engine is carried out utilization of waste material, utilize more thorough, use rotatory evaporator, efficient height, set structure are comparatively simple, applied range is used in the place that is applicable to various drilling prospections.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
Embodiment 1
As shown in Figure 1, a kind of device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water of the present utility model, adopt rotatory evaporator 1 and connecting tube, hot sourdine 3, heat-conducting medium storage tank 4, high temperature circulation pump 5, condenser 6 is formed with concentration basin 2, wherein rotatory evaporator 1 is provided with sewage inlet 11, the enriched product outlet, steam outlet and circulation connecting tube 12, circulation connecting tube 12 is connected and fixed connection rotatory evaporator 1 lateral top and below by flange, and pass through heat exchange sourdine 3 and be communicated with heat-conducting medium storage tank 4, on the circulation connecting tube 12 that is connected and fixed by flange between connection rotatory evaporator 1 and the heat-conducting medium storage tank 4, be provided with again a high temperature circulation pump 5 is installed, therefore the connecting tube 12 that circulates is connected and fixed by flange and is communicated with rotatory evaporator 1 top successively, heat exchange sourdine 3, high temperature circulation pump 5, heat-conducting medium storage tank 4 and rotatory evaporator 1 below, form one and can supply heat-conducting medium round-robin passage, rotatory evaporator 1 is worked under the negative pressure state of absolute pressure 9Kpa simultaneously, store heat-conducting medium in the heat-conducting medium storage tank 4, heat-conducting medium flows in circulation connecting tube 12 under 5 effects of high temperature circulation pump, wherein heat-conducting medium preferentially adopts thermal oil, concentration basin 2 is arranged on rotatory evaporator 1 bottom and is connected with the enriched product outlet, condenser 6 is arranged on the top of rotatory evaporator 1 and is connected with steam outlet, and the water purification after being provided with water purification recovery tube 61 feed flowizations above the condenser 6 flows out to do him and uses again.
Of the present utility modelly utilize the device of diesel engine vent gas performing reduction treatment on drilling waste water, can operate according to following steps with the profit described in the embodiment 1:
The tail gas of 400 to 700 degree of (1) at first diesel engine being discharged is introduced, heat exchange in the heat exchange sourdine 3, wherein the exhaust temperature of diesel engine is got preferred 550 degree, with the heat-conducting medium of the heat exchange sourdine 3 of flowing through in the circulating line 12 of heat transferred on rotatory evaporator 1, wherein heat-conducting medium preferentially adopts thermal oil in heat transfer process;
(2) further, with in the high temperature heat conducting medium introducing and the rotatory evaporator 1 of flowing through, the heat-conducting medium storage tank 4 that unnecessary high temperature heat conducting medium adopts circulating line 12 to pass through is stored with high temperature circulation pump 5;
(3) further, drilling waste water introduced the high temperature heat conductive oil that utilizes in the rotatory evaporator 1 in the circulating line 12 and it is carried out evaporation concentration under for the pressure of 9Kpa in absolute pressure, drilling waste water evaporates water vapour condenser 6 condensations that produced in rotatory evaporator 1, and reclaims with the distilled water form;
(4) further again, drilling waste water after concentrating is entered concentration basin 2 by the enriched product outlet of rotatory evaporator bottom 1, enriched product after the minimizing processing is transported to waste water storage ground, regulate thermal oil mobile speed in circulation connecting tube 12 by high temperature circulation pump 5, can control the viscosity of enriched product.
Further specify diesel engine vent gas to handling the high efficiency of drilling waste water below by Theoretical Calculation:
Unit with 1100kw is an example, at first to heating thermal oil heat Calculation:
Q＝[vrc(t2-t1)/τ]β＝[1000×0.85×0.65(160-15)/1]×1.2
＝96135kcal＝402MJ
According to above calculating 1000 liters of thermal oils are heated to 160 ℃ from 15 ℃ and set 1 hour, heat consumption only needs 402MJ (thermal value that is equivalent to 9.4kg diesel oil).Adding the calculated value that heat is far smaller than the initial heating amount when equipment normally moves, only is the 1/3-1/2 of calculated value.
If select to claim that steam output is the rotatory evaporator of 1200kg/h:
Daily evaporation amount then is: 1200kg/h * 24h=28800kg/d=28.8t/d
With the DLS1000 of Mitsubishi diesel engine is example:
Volume of air=98m under the mark condition
3/ min * 273.15/300=89m
3/ min=5340m
3/ h;
MAF=5340M
3/ min * 1.429kg/M
3=7630.86kg/h;
Waste gas after burning mass rate=7630.86kg/h * (1+13.72)/13.72=8187.05kg/h.
Air input when more than being rated output, load factor is about 60% when using continuously, the exhaust air mass flow=8187.05kg/h when using continuously * 0.6=4912.23kg/h.
Pressurization by compressed air thermal capacitance Cp=1.005kJ/ (kgK)
The heating thermal oil needs temperature＞150 ℃, about 550 ℃ of diesel engine vent gas, so the available used heat of single diesel engine is:
(550-150) * 4912.23kg/h * 1.005kJ/ (kgK)=1.975 * 10
6KJ/ hour
Used heat was when 4 DLS1000 were in parallel: 7.9 * 10
6KJ/ hour, can guarantee diesel engine under nominal situation, vapo(u)rization system has enough origin of heat.
More than calculate power machine room configuration, can follow during practical application according to diesel engine power and adjust relevant parameter with reference to 4 1000KW bavin group of motors.
Eventually the above, this method can be treated to 200kg with the minimizing of 1000kg drilling waste water in 24 hours, the minimizing processing efficiency is 80% of a drilling waste water total amount, efficient height, and cost is lower.
Claims (2)
1. device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water, comprise rotatory evaporator (1), it is characterized in that: described device also comprises heat exchange sourdine (3), heat-conducting medium storage tank (4), high temperature circulation pump (5), condenser (6) and concentration basin (2), wherein rotatory evaporator (1) is provided with sewage inlet (11), the enriched product outlet, steam outlet and circulation connecting tube (12), by circulation connecting tube (12) successively with the top of rotatory evaporator (1), heat exchange sourdine (3), high temperature circulation pump (5), heat-conducting medium storage tank (4), the below of rotatory evaporator (1) is communicated with, concentration basin (2) is arranged on rotatory evaporator (1) bottom and is connected with the enriched product outlet, condenser (6) is arranged on the top of rotatory evaporator (1) and is connected with steam outlet, and the top at the top of rotatory evaporator (1) is provided with water purification recovery tube (61); Heat exchange sourdine (3) is connected with the vapor pipe of diesel engine simultaneously.
2. the device that utilizes the diesel engine vent gas performing reduction treatment on drilling waste water according to claim 1 is characterized in that: be connected and fixed for flange between the below of the top of described circulation connecting tube (12) and rotatory evaporator (1), heat exchange sourdine (3), high temperature circulation pump (5), heat-conducting medium storage tank (4), rotatory evaporator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201241657U CN201634463U (en) | 2010-03-04 | 2010-03-04 | Device for minimizing drilling wastewater by utilizing diesel exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201241657U CN201634463U (en) | 2010-03-04 | 2010-03-04 | Device for minimizing drilling wastewater by utilizing diesel exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201634463U true CN201634463U (en) | 2010-11-17 |
Family
ID=43078951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201241657U Expired - Lifetime CN201634463U (en) | 2010-03-04 | 2010-03-04 | Device for minimizing drilling wastewater by utilizing diesel exhaust |
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| Country | Link |
|---|---|
| CN (1) | CN201634463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774747A (en) * | 2010-03-04 | 2010-07-14 | 成都金池塘科技有限公司 | Device for performing reduction treatment on drilling waste water by using diesel exhaust and treatment method thereof |
| CN105570904A (en) * | 2015-12-11 | 2016-05-11 | 凯天环保科技股份有限公司 | Household garbage incineration treatment system and treatment method thereof |
-
2010
- 2010-03-04 CN CN2010201241657U patent/CN201634463U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774747A (en) * | 2010-03-04 | 2010-07-14 | 成都金池塘科技有限公司 | Device for performing reduction treatment on drilling waste water by using diesel exhaust and treatment method thereof |
| CN101774747B (en) * | 2010-03-04 | 2011-09-14 | 成都金池塘科技有限公司 | Device for performing reduction treatment on drilling waste water by using diesel exhaust and treatment method thereof |
| CN105570904A (en) * | 2015-12-11 | 2016-05-11 | 凯天环保科技股份有限公司 | Household garbage incineration treatment system and treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20110914 |