CN209865691U - Waste gas treatment device that oil drilling produced - Google Patents
Waste gas treatment device that oil drilling produced Download PDFInfo
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- CN209865691U CN209865691U CN201920406749.4U CN201920406749U CN209865691U CN 209865691 U CN209865691 U CN 209865691U CN 201920406749 U CN201920406749 U CN 201920406749U CN 209865691 U CN209865691 U CN 209865691U
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Abstract
The utility model discloses a waste gas treatment device that oil drilling produced, include: the device comprises an adsorption tower, a combustion furnace and a water washing device; the adsorption tower comprises a square box body, a door body is arranged on the box body, at least one layer of adsorption units are arranged in the box body, strip-shaped limiting grooves are formed in two opposite side wall surfaces in the box body, and the adsorption units are arranged in the box body in a sliding manner in a push-and-pull manner; the combustion furnace comprises a shell, an air inlet arranged at the bottom of the shell and an air outlet arranged at the top of the shell, wherein a substrate used for loading fuel is arranged in the shell, and a residue disc is arranged at the bottom of the shell; the water washing device comprises a water filtering tank, an overflow groove is arranged in the middle of the water filtering tank, the overflow groove is communicated with a sedimentation tank, the sedimentation tank is communicated with a filtering tank through the overflow groove, and a circulating water pipe is communicated between the filtering tank and the water filtering tank. The utility model discloses a waste gas treatment device utilizes techniques such as physical adsorption, high temperature burning and washing filtration comprehensively to handle drilling waste gas, and harmful substance is thoroughly decomposed, and processing technology is simple, and the treatment effeciency is high.
Description
Technical Field
The utility model relates to an oil drilling safety protection field, especially a waste gas treatment device that oil drilling produced.
Background
During oil and gas production, if the formation contains hydrogen sulfide or other waste gases, it is likely to rise to the wellhead. If the waste gas is not properly treated, the serious hazards such as operator poisoning, equipment fire damage and the like are easily caused. At present, when the waste gas enters into the annular space during well drilling and completion, the most common treatment measure is to increase the density of the drilling and completion fluid and press the waste gas back to the stratum so as to avoid the waste gas from occurring at the well mouth, but if the density of the drilling and completion fluid is increased, the well leakage and the reservoir pollution are likely to occur, and the reservoir yield is greatly reduced.
In the prior art, waste gas at the wellhead is treated by a method of sucking the waste gas by negative pressure and then burning, but the method is easy to bring out crude oil while sucking the waste gas, and gases such as hydrogen sulfide and the like are easy to burn and explode when meeting high temperature, so that the danger is increased by high heat generated in equipment operation, and the waste gas is treated by a burning method, so that the risk is high. Therefore, a well head waste gas treatment device capable of guaranteeing personnel safety is urgently needed, so that waste gas can be safely and thoroughly removed.
The combustion method has the advantages of non-selectivity for treating waste gas, suitability for most of waste gas, good combustion treatment effect and the like, so the combustion method is a commonly used waste gas treatment method at present. However, the combustion method requires high temperature to destroy pollutants, so a large amount of fuel is needed, and some waste gas combustion processes may have insufficient and incomplete combustion treatment, leave regressions and leaks, and may also generate particle problems to block the combustion furnace, thereby increasing the cost of secondary treatment. Moreover, the exhaust gas after the exhaust gas is treated by the combustion furnace may contain incompletely combusted gas, harmful gases such as nitrogen dioxide and sulfur dioxide generated after combustion, and dust particles, which are pollutants, and if the pollutants are directly discharged into the atmosphere, the air environment is still polluted. The adsorption method can be operated at a shorter retention time and a lower temperature, and has the advantages of small occupied space of equipment, less fuel consumption, large treatment capacity and no trouble of generating secondary pollutants due to high temperature, so the adsorption method is also one of the common methods in the prior art for treating waste gas.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model discloses still have the easy explosion that takes place that exists, the technical defect that danger is high of the exhaust gas in-process that current combustion method was handled the oil drilling production of an aim solution.
In order to realize the utility model discloses these purposes and other advantages, the utility model provides a waste gas treatment device that oil drilling produced, it synthesizes and adopts methods and technologies such as physical adsorption, high temperature combustion and washing filtration, to waste gas treatment efficiency height, thoroughly detach pollutant in the waste gas, reach zero pollutant discharge.
Above-mentioned oil drilling exhaust treatment device includes: adsorption tower, combustion furnace and washing unit.
The adsorption tower comprises a sealed square box body, at least one layer of adsorption units are arranged in the box body, each adsorption unit comprises a square box body, the upper surface and the lower surface of each box body are made of screen meshes, and adsorption materials are filled in the box bodies; at least one strip-shaped limiting groove for mounting the box body is arranged at the same height position of two opposite side wall surfaces in the box body, a slide way is arranged in the limiting groove, pulleys are arranged at the edges of the opposite side surfaces of the box body, an inlet and an outlet of the box body with the same height as the limiting groove are arranged on one side surface of the box body, which is vertical to the limiting groove, the box body can slide relative to the box body through the inlet and the outlet, a handle is arranged at the outer side of the box body, and the handle is; the bottom of the adsorption tower is provided with an air inlet, and the top of the adsorption tower is provided with an air outlet.
The combustion furnace comprises a shell, an air inlet and an air outlet, the air inlet is formed in the left end of the shell and connected with an air outlet of the adsorption tower, the air outlet is formed in the right end of the shell, a plurality of fuel inlet plates are fixedly arranged on the upper wall surface and the lower wall surface of the shell, an air inlet plate is arranged close to each fuel inlet plate, air holes for introducing air are formed in the air inlet plates, a residue tray for collecting combustion residues is arranged at the bottom of the shell, and the residue tray is placed at the bottom of the shell.
The washing device comprises a water filtering tank, the gas outlet of the combustion furnace is connected into the water filtering tank through a gas pipe, the middle part of the water filtering tank is provided with an overflow port and an overflow groove, the overflow groove is communicated with a sedimentation tank, the sedimentation tank is communicated with a filtering tank through the overflow, and a circulating water pipe is communicated between the filtering tank and the water filtering tank.
Preferably, the edge position of the inlet and the outlet of the box body is provided with a sealing strip.
The limiting grooves are three and are positioned on the side faces of the box body at different height positions and are parallel to each other.
And a gas valve and a gas flowmeter are arranged on a connecting pipeline between the gas outlet of the adsorption tower and the gas inlet of the combustion furnace.
It is further preferred that there are three limiting grooves, and the three limiting grooves are located at different height positions of the side surface of the box body and are parallel to each other.
Preferably, a gas valve and a gas flowmeter are arranged on a connecting pipeline between the gas outlet of the adsorption tower and the gas inlet of the combustion furnace.
Preferably, the right side of the bottom of the combustion furnace is provided with an opening for taking out the residue disc, and the opening is provided with a cover plate for sealing.
Preferably, a pH adjusting device is arranged in the water filtering tank and consists of a stirring device and a pH meter.
Preferably, the bottom of the sedimentation tank is provided with a sediment outlet.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the waste gas is firstly adsorbed by an adsorption tower to remove hydrogen sulfide gas, other waste gases and a small amount of crude oil contained in the waste gas, so that the danger of explosion in the subsequent combustion treatment is avoided, the load of the subsequent combustion treatment is reduced, pollutants are completely combusted and decomposed in a combustion furnace, and the harmful combustion products in the tail gas are removed from the tail gas generated by the combustion furnace under the action of a water filter tank, so that zero pollution emission of the waste gas is achieved.
But its second, the absorption unit push-and-pull sets up in the adsorption tower with sliding, will adsorb the box body and take out when making things convenient for adsorbing material's installation, dismantlement, change adsorbing material, does not need the staff to enter and change adsorbing material in the tower, and is safe, simple.
And thirdly, a residue tray for collecting combustion residues is arranged at the bottom of the combustion furnace, the residue tray can be taken out of the furnace body for cleaning, the combustion residues are prevented from dropping at the bottom of the furnace body, and an operator is required to enter the furnace body for operation during cleaning.
Fourthly, the washing device further purifies the tail gas after combustion, zero pollution emission is realized, and the aqueous solution can be recycled, thereby being energy-saving and environment-friendly.
And fifthly, a pH adjusting device is arranged in the water filtering tank, the pH of the water solution is adjusted to the optimum acidity value for dissolving pollutants in the waste gas, the waste gas purification efficiency is improved, and the pollutants are thoroughly removed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of a waste gas treatment device generated in oil drilling.
Fig. 2 is a schematic structural diagram of a spray tower.
FIG. 3 is a schematic view of the internal structure of the adsorption unit.
FIG. 4 is a schematic view of the external structure of the adsorption unit.
FIG. 5 is a schematic view of a combustion furnace.
Reference numbers in the figures:
the device comprises an adsorption tower 1, a combustion furnace 2, a square box body 11, a sealing strip 13, a square box body 14, an adsorption material 141, a screen 142, a pulley 144, a limiting groove 15, a slide way 16, an air inlet 17, an air outlet 18, a shell 21, an air inlet 22, an air outlet 23, a gas valve 24, a gas flowmeter 25, a fuel inlet plate 26, an air inlet plate 27, a residue tray 28, an opening 29, a water filter tank 3, an overflow port 31, a stirring device 33, a pH meter 34, an overflow tank 32, a sedimentation tank 4, a water pump 41, a sediment outlet 42, a filter tank 5, a circulating water pipe 6 and a circulating pump 61.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-5, the utility model provides an exhaust treatment device that oil drilling produced, it includes: adsorption tower 1, combustion furnace 2 and water washing device.
Wherein, adsorption tower 1 includes sealed square box 11, sets up at least one deck adsorption unit in the box, adsorption unit includes square box 14, and 142 are made by the screen cloth to the surface about the box, packs adsorption material 141 in the box. The adsorption material can adsorb partial pollutants in the waste gas, and the load of subsequent treatment is reduced. At least one strip-shaped limiting groove 15 for mounting the box body is arranged on the same height position of two opposite side wall surfaces in the box body, a slide way 16 is arranged in the limiting groove, a pulley 144 is arranged on the edge of the opposite side surface of the box body, a box body inlet and outlet 12 with the same height as the limiting groove is arranged on one side surface of the box body vertical to the limiting groove, and the number of the box body inlet and outlet is the same as that of the box bodies. The box body can slide for the box through importing and exporting, and is equipped with handle 143 in the box body outside, and the pulling handle realizes the entering or the pulling-out of box body, will adsorb the box body and take out when being convenient for adsorb the installation of unit, dismantle, change adsorption material, does not need the staff to enter into and change adsorption material in the tower, and is safe, simple. Further preferably, there are three limiting grooves 15, and the three limiting grooves are located at different height positions of the side surface of the box body and are parallel to each other, so that three adsorption units can be installed. The bottom of the adsorption tower is provided with an air inlet 17, and the top is provided with an air outlet 18. And (3) allowing waste gas to be treated to enter the adsorption tower from a bottom gas inlet, allowing the gas to flow upwards, sequentially passing through each layer of adsorption units, allowing the gas to flow through gaps among the adsorption materials and fully contact the adsorption materials, adsorbing pollutants in the waste gas to the maximum extent, and finally discharging the pollutants from a gas outlet at the top of the tower to obtain the primarily treated waste gas. And sealing strips 13 are arranged at the edge positions of the inlet and the outlet of the box body.
The combustion furnace 2 comprises a cuboid shell 21, an air inlet 22 and an air outlet 23, wherein the air inlet 22 is arranged at the left end of the shell 21 and connected with the air outlet 18 of the adsorption tower, and the air outlet 23 is arranged at the upper part of the right end of the shell. And a gas valve 24 and a gas flowmeter 25 are also arranged on a connecting pipeline between the gas outlet 18 of the adsorption tower and the gas inlet 22 of the combustion furnace. A plurality of fuel inlet plates 26 are fixedly provided to the inner upper and lower wall surfaces of the casing 21. The fuel used in the combustion furnace is liquid or gaseous fuel. An air inlet plate 27 is provided adjacent each fuel inlet plate, the air inlet plate 27 being provided with air vents for the passage of air. The bottom of the housing is provided with a residue pan 28 for collecting combustion residues, which is placed at the bottom of the housing. An opening 29 for taking out the residue disc is arranged at the right side of the bottom of the combustion furnace, and a cover plate is arranged on the opening for sealing. The residue dish can be taken out by opening part 29, cleans, has avoided burning residue to drip in the furnace body bottom, needs the problem that operating personnel got into the inside operation of furnace body when clean.
The water washing device comprises a water filtering tank 3, and an air outlet 23 of the combustion furnace is connected into the water filtering tank 3 through an air pipe. The middle part of the water filtering pool 3 is provided with an overflow port 31 and an overflow groove 32, the overflow groove is communicated with a sedimentation pool 4, a water pump 41 is arranged on a pipeline communicated with the overflow groove 32 and the sedimentation pool 4, the sedimentation pool 4 is communicated with a filtering pool 5 through the overflow, a circulating water pipe 6 is communicated between the filtering pool 5 and the water filtering pool 3, and a circulating pump 61 is arranged on the circulating pipeline. Further preferably, a pH adjusting device is further disposed in the water filtering tank 3, and the pH adjusting device is composed of a stirring device 33 and a pH meter 34, and adjusts the pH of the aqueous solution to an optimum acidity value for dissolving the pollutants in the exhaust gas, thereby improving the efficiency of purifying the exhaust gas and completely removing the pollutants. The bottom of the sedimentation tank 4 is provided with a sediment outlet 42. The exhaust gas from the combustion furnace may contain harmful gases such as incompletely combusted gases, nitrogen dioxide and sulfur dioxide generated after combustion, and dust particles, which are pollutants and may pollute the air environment if directly discharged into the atmosphere. Therefore, the waste gas is introduced into the water filtering tank 3, the harmful gas and dust particles in the waste gas are dissolved in the water solution, and the waste gas after water washing does not contain pollutants and can be directly discharged into the atmosphere. The water solution containing the pollutants in the water filtering pool 3 flows to the overflow groove 32 from the overflow port 31, the water purifying agent can be added into the overflow groove 32 according to actual needs, then the water purifying agent is conveyed to the sedimentation tank 4 by the water pump 41 for sedimentation and purification, the upper layer purified water overflows to the filtering pool 5 and is conveyed to the water filtering pool 3 by the circulating pump 61, and the water resource recycling is realized.
To sum up, adopt the utility model discloses a waste gas treatment device that oil drilling produced, waste gas are at first through adsorption tower's adsorption treatment detach part of pollutant among them, avoid appearing the danger of explosion in the follow-up burning processing, also alleviate follow-up burning processing's load simultaneously, and the pollutant is decomposed by thorough burning in the burning furnace, and the harmful combustion products in the tail gas are detached to the tail gas that fires burning furnace production through the effect of water filtering ponds again, reach zero pollutant discharge of waste gas.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (7)
1. An apparatus for treating exhaust gas from a petroleum well, comprising: the device comprises an adsorption tower, a combustion furnace and a water washing device;
the adsorption tower comprises a sealed square box body, at least one layer of adsorption units is arranged in the box body, each adsorption unit comprises a square box body, the upper surface and the lower surface of each box body are made of screen meshes, and adsorption materials are filled in the box bodies; at least one strip-shaped limiting groove for mounting the box body is arranged at the same height position of two opposite side wall surfaces in the box body, a slide way is arranged in the limiting groove, pulleys are arranged at the edges of the opposite side surfaces of the box body, an inlet and an outlet of the box body with the same height as the limiting groove are arranged on one side surface of the box body, which is vertical to the limiting groove, the box body can slide relative to the box body through the inlet and the outlet, a handle is arranged at the outer side of the box body, and the handle is; the bottom of the adsorption tower is provided with an air inlet, and the top of the adsorption tower is provided with an air outlet;
the combustion furnace comprises a shell, an air inlet and an air outlet, wherein the air inlet is arranged at the left end of the shell and connected with the air outlet of the adsorption tower, the air outlet is arranged at the right end of the shell, a plurality of fuel inlet plates are fixedly arranged on the upper wall surface and the lower wall surface part in the shell, an air inlet plate is arranged close to each fuel inlet plate, air holes for introducing air are formed in the air inlet plates, a residue tray for collecting combustion residues is arranged at the bottom of the shell, and the residue tray is placed at the bottom of the shell;
the washing device comprises a water filtering tank, the gas outlet of the combustion furnace is connected into the water filtering tank through a gas pipe, the middle part of the water filtering tank is provided with an overflow port and an overflow groove, the overflow groove is communicated with a sedimentation tank, the sedimentation tank is communicated with a filtering tank through the overflow, and a circulating water pipe is communicated between the filtering tank and the water filtering tank.
2. The apparatus for treating the exhaust gas generated by drilling oil well according to claim 1, wherein a sealing strip is arranged at the edge of the inlet and outlet of the box body.
3. The apparatus for treating exhaust gas generated during drilling of petroleum well according to claim 2, wherein there are three limiting grooves, and the three limiting grooves are located at different height positions on the side surface of the casing and are parallel to each other.
4. The apparatus for treating the exhaust gas generated by drilling a petroleum well according to claim 3, wherein a gas valve and a gas flow meter are arranged on a connecting pipeline between the gas outlet of the adsorption tower and the gas inlet of the combustion furnace.
5. The apparatus for treating the exhaust gas generated by petroleum drilling as claimed in claim 4, wherein the right side of the bottom of the combustion furnace is provided with an opening for taking out the residue disk, and the opening is provided with a cover plate seal.
6. The apparatus for treating waste gas generated in petroleum drilling as claimed in claim 1, wherein a pH adjusting device is arranged in the water filtering tank and consists of a stirring device and a pH meter.
7. The apparatus for treating exhaust gas generated in petroleum drilling as claimed in claim 6, wherein a sediment outlet is provided at the bottom of the sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406749.4U CN209865691U (en) | 2019-03-28 | 2019-03-28 | Waste gas treatment device that oil drilling produced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406749.4U CN209865691U (en) | 2019-03-28 | 2019-03-28 | Waste gas treatment device that oil drilling produced |
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| Publication Number | Publication Date |
|---|---|
| CN209865691U true CN209865691U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920406749.4U Expired - Fee Related CN209865691U (en) | 2019-03-28 | 2019-03-28 | Waste gas treatment device that oil drilling produced |
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| Country | Link |
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| CN (1) | CN209865691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115677127A (en) * | 2022-11-13 | 2023-02-03 | 昆明理工大学 | Modular nanometer adsorption type heavy metal wastewater treatment device |
-
2019
- 2019-03-28 CN CN201920406749.4U patent/CN209865691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115677127A (en) * | 2022-11-13 | 2023-02-03 | 昆明理工大学 | Modular nanometer adsorption type heavy metal wastewater treatment device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |