CN210473426U - Cement dust purification device for emptying vertical ash storage tank - Google Patents
Cement dust purification device for emptying vertical ash storage tank Download PDFInfo
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- CN210473426U CN210473426U CN201921289387.1U CN201921289387U CN210473426U CN 210473426 U CN210473426 U CN 210473426U CN 201921289387 U CN201921289387 U CN 201921289387U CN 210473426 U CN210473426 U CN 210473426U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model discloses a cement dust purification device when a vertical ash storage tank is emptied, which comprises a water tank, wherein the top of the water tank is provided with an exhaust funnel, the bottom of the water tank is provided with a blowoff valve, the blowoff valve is communicated with a cement truck slurry mixing tank, the side wall of the water tank is also provided with an overflow hole, and the overflow hole is positioned above the opening at the top of the cement truck slurry mixing tank; the upper part of the inner cavity of the water tank is provided with an annular purification water spray pipe, a plurality of water spray holes are uniformly distributed on the annular purification water spray pipe, and the annular purification water spray pipe is connected with a water outlet pipeline of a cement truck injection pump; the water tank is connected with a drain port at the bottom of the vertical ash storage tank through a metal exhaust pipe and a connecting hose, and an air outlet of the metal exhaust pipe extends into the water below the water surface in the water tank. The utility model discloses increase cement dust purification device on the basis that does not change former equipment performance and structure, not only guarantee that the site personnel avoid the infringement of cement dust, reduce the discarded object simultaneously and discharge, practice thrift waste liquid treatment cost, avoid environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of oil and gas well cementation mechanical equipment and specifically relates to a cement dust purification device when vertical ash storage tank evacuation.
Background
After cement in a vertical ash storage tank is injected in well cementation construction operation, the vertical ash storage tank needs to be emptied, and a large amount of cement dust can be discharged. The cement dust is directly discharged into the air before modification, and field personnel easily inhale a large amount of cement dust, so that the harm to the human health is caused; on the other hand, the cement dust falls to the ground to cause serious pollution to the environment. In order to eliminate the harm to field personnel and environment caused by the discharge of cement dust, a cement dust purification device is urgently needed to be designed.
Disclosure of Invention
An object of the utility model is to solve above-mentioned technical problem and provide a cement dust purification device when vertical ash storage tank of environmental protection is discharged.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a cement dust purification device during emptying of a vertical ash storage tank comprises a water tank, wherein the water tank is installed on a cement truck slurry mixing pool, the top of the water tank is provided with an exhaust funnel, the bottom of the water tank is provided with a drain valve, the drain valve is communicated with the cement truck slurry mixing pool, the side wall of the water tank is also provided with an overflow hole, and the overflow hole is positioned above an opening in the top of the cement truck slurry mixing pool;
the upper part of the inner cavity of the water tank is provided with an annular purification water spray pipe, a plurality of water spray holes are uniformly distributed on the annular purification water spray pipe, and the annular purification water spray pipe is connected with a water outlet pipeline of a cement truck injection pump;
the water tank is connected with a drain port at the bottom of the vertical ash storage tank through a metal exhaust pipe and a connecting hose, and an air outlet of the metal exhaust pipe extends into the water below the water surface in the water tank.
Furthermore, a plurality of exhaust holes are formed in the peripheral wall of the air outlet of the metal exhaust pipe and are arranged below the water surface in the water tank.
Furthermore, a water spraying pipe water inlet pipeline is arranged on the outer wall of the water tank, one end of the water spraying pipe water inlet pipeline is connected with the annular purification water spraying pipe, the other end of the water spraying pipe water inlet pipeline is connected with a water outlet pipeline of the cement truck jet pump, and a water inlet pipe gate is further arranged on the water inlet pipeline of the water spraying pipe.
Furthermore, quick connectors are adopted between the metal exhaust pipe and the connecting hose and between the connecting hose and the evacuation port to realize connection.
Further, the water tank is also communicated with a dispersing barrel exhaust pipe, and an air outlet of the dispersing barrel exhaust pipe is positioned between the water surface inside the box body and the annular purification water spraying pipe.
The utility model has the advantages that:
the utility model discloses a well formula ash storage tank evacuation mouth exhaust cement dust in the device passes through the connecting hose and the clear water of metal blast pipe discharge cement car upper water tank in, purifies for the first time, and the water curtain that the water tank upper portion annular purification water spray pipe formed is purified to the gas of taking the cement dust of not clean carries out the second time and purifies, purifies the clean gaseous aiutage of passing through on the water tank of back and discharges. Waste liquid generated by purification is discharged into a cement truck slurry mixing tank through a blow-down valve, and the waste liquid is timely converted into normal cement slurry to be injected into a well through a stirrer and a secondary slurry mixing system, so that waste slurry discharge is reduced, sewage treatment cost is saved, and environmental pollution is avoided. Use the utility model discloses can effectively prevent because of personnel's injury and the environmental pollution that the cement dust caused to atmospheric emission.
The utility model discloses the process is simple, and it is easy to make, economical and practical, safe and reliable, purifying effect is good. The cement dust purification device is added on the basis of not changing the performance and the structure of the original equipment, so that the field personnel are prevented from being damaged by cement dust, the waste discharge is reduced, the waste liquid treatment cost is saved, and the environmental pollution is avoided.
Drawings
FIG. 1 is a schematic structural view of a cement dust purification device installed on a cement truck slurry mixing tank when a vertical ash storage tank of the present invention is discharged;
FIG. 2 is a schematic structural view of a vertical ash storage tank;
FIG. 3 is a schematic structural view of the water tank of the present invention;
fig. 4 is a schematic structural diagram of the metal exhaust pipe of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
referring to fig. 1 to 4, the cement dust purification device for emptying the vertical ash storage tank of the present invention includes a water tank 1, an exhaust funnel 2, a blowoff valve 3, an overflow hole 4, an annular purification spray pipe 5, a spray pipe water inlet pipeline 6, a metal exhaust pipe 7 and a connection hose (not shown).
As shown in fig. 1 and 3, the water tank 1 is installed on the cement truck mixing tank 8, and specifically, the water tank 1 is fixed on the top cover of the cement truck mixing tank 8 through bolts, so that the generated waste liquid is reasonably utilized, and the shape of the water tank 1 is designed correspondingly according to the space on the different cement truck mixing tanks.
An annular purification spray pipe 5 is designed at the position 5cm away from the top cover on the inner side of the water tank 1, 1.5mm water spraying holes are drilled in the annular purification spray pipe 5 every 5cm at a certain angle, the annular purification spray pipe 5 is connected with a cement truck injection pump water outlet pipeline, specifically, a spray pipe water inlet pipeline 6 is arranged on the outer wall of the water tank, one end of the spray pipe water inlet pipeline 6 is connected with the annular purification spray pipe 5, the other end of the spray pipe water outlet pipeline is connected with the cement truck injection pump water outlet pipeline, and a water inlet pipe gate 9 is further arranged on the spray pipe water inlet pipeline 6.
The design of water tank 1 side has overflow hole 4, and overflow hole 4 is located the top open-ended top of cement truck muddy water pond 8, and when liquid reached overflow hole 4's height in water tank 1, sewage was automatic to flow into cement truck muddy water pond 8 from overflow hole 4 exhaust.
The top of the water tank 1 is provided with the exhaust funnel 2, the bottom of the water tank is provided with the blowoff valve 3, when the vertical tank is exhausted, the sewage of the water tank is discharged into the cement truck slurry mixing tank 8 through the blowoff valve 3, the waste slurry is timely converted into normal cement slurry through the stirrer and the secondary slurry mixing system and is injected into the well, the waste slurry discharge is effectively reduced, and waste is changed into wealth.
As shown in fig. 1 to 4, the water tank 1 is connected with a drain port 11 at the bottom of a vertical ash storage tank 10 (vertical tank for short) through a metal exhaust pipe 7 and a connecting hose, the air outlet of the metal exhaust pipe 7 extends below the water surface in the water tank, the lower end of the air outlet of the metal exhaust pipe 7 is 5-10cm away from the bottom of the water tank, and when the vertical tank is drained, 15 side exhaust holes 71 with the diameter of 10mm are drilled in the range of 10cm at the tail end of the air outlet of the metal exhaust pipe 7 to prevent the air outlet from being blocked for a long time. The metal exhaust pipe 7 and the connecting hose, and the connecting hose and the evacuation port 11 are connected by adopting the quick connectors 12, so that the field connection is facilitated.
As shown in fig. 1, the water tank 1 is further communicated with a divergent barrel exhaust pipe 13, the air outlet of the divergent barrel exhaust pipe 13 is located between the water surface inside the tank 1 and the annular purification spray pipe 5, wherein the divergent barrel exhaust pipe 13 is connected with the divergent barrel, the divergent barrel exhaust pipe 13 is used for discharging the waste gas in the divergent barrel, and the waste gas is purified by the water curtain formed by the injection of the annular purification spray pipe 5 and is discharged from the exhaust barrel 2.
When the vertical ash storage tank 10 needs to be emptied, gas with cement dust discharged from the vertical ash storage tank 10 is discharged into clear water in the water tank 1 through the connecting hose and the metal exhaust pipe 7, and the cement dust is dissolved to realize primary purification; the residual cement dust in the gas ascending process is subjected to secondary purification through a water curtain formed by spraying of the annular purification spray pipe 5. Waste liquid generated by purification is discharged into a cement truck slurry mixing tank 8 through a blow-down valve 3 at the lower end of a water tank 1, and the waste slurry is timely converted into normal cement slurry through a stirrer and a secondary slurry mixing system and is injected into a well, so that waste is changed into valuable, and the discharge of the waste slurry is effectively reduced; the cleaned gas after twice purification is discharged through an exhaust funnel 2 at the top end of the water tank 1.
The utility model is suitable for an oil industry, building industry, gas storage storehouse, all oil wells such as geothermal well development, gas well, gas storage storehouse, geothermal well and building site etc. need vertical ash storage tank to carry out all places that cement mixes thoughtlessly. Through the experiment, cement dust purifier when the vertical ash storage tank after the repacking evacuation, simple structure, the repacking is easy, operation safe and reliable, cement dust purifying effect is good, and the harm that the cement dust caused to field personnel and environment when the vertical ash storage tank evacuation is effectively eliminated.
In summary, the present invention is not limited to the above embodiments, and those skilled in the art can provide other embodiments within the technical teaching of the present invention, but these embodiments are included in the scope of the present invention.
Claims (5)
1. The utility model provides a cement dust purification device when vertical ash storage tank evacuation, includes the water tank, its characterized in that: the water tank is arranged on the cement truck slurry mixing pool, the top of the water tank is provided with an exhaust funnel, the bottom of the water tank is provided with a drain valve, the drain valve is communicated with the cement truck slurry mixing pool, the side wall of the water tank is also provided with an overflow hole, and the overflow hole is positioned above the opening at the top of the cement truck slurry mixing pool;
the upper part of the inner cavity of the water tank is provided with an annular purification water spray pipe, a plurality of water spray holes are uniformly distributed on the annular purification water spray pipe, and the annular purification water spray pipe is connected with a water outlet pipeline of a cement truck injection pump;
the water tank is connected with a drain port at the bottom of the vertical ash storage tank through a metal exhaust pipe and a connecting hose, and an air outlet of the metal exhaust pipe extends into the water below the water surface in the water tank.
2. The vertical dust storage tank emptying cement dust purification device according to claim 1, characterized in that: the periphery wall of the gas outlet of the metal exhaust pipe is provided with a plurality of exhaust holes, and the exhaust holes are arranged below the water surface in the water tank.
3. The vertical dust storage tank emptying cement dust purification device according to claim 1, characterized in that: and a water inlet pipe of the water spray pipe is arranged on the outer wall of the water tank, one end of the water inlet pipe of the water spray pipe is connected with the annular purification water spray pipe, the other end of the water inlet pipe of the water spray pipe is connected with a water outlet pipe of the cement truck, and a water inlet pipe gate is also arranged on the water inlet pipe of the water spray pipe.
4. The vertical dust storage tank emptying cement dust purification device according to claim 1, characterized in that: the metal exhaust pipe and the connecting hose as well as the connecting hose and the evacuation port are connected by adopting quick connectors.
5. The vertical dust storage tank emptying cement dust purification device according to claim 1, characterized in that: the water tank is also communicated with the divergent barrel exhaust pipe, and the gas outlet of the divergent barrel exhaust pipe is positioned between the water surface inside the tank body and the annular purification water spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289387.1U CN210473426U (en) | 2019-08-09 | 2019-08-09 | Cement dust purification device for emptying vertical ash storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289387.1U CN210473426U (en) | 2019-08-09 | 2019-08-09 | Cement dust purification device for emptying vertical ash storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210473426U true CN210473426U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921289387.1U Active CN210473426U (en) | 2019-08-09 | 2019-08-09 | Cement dust purification device for emptying vertical ash storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210473426U (en) |
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2019
- 2019-08-09 CN CN201921289387.1U patent/CN210473426U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |