CN214597820U - Dust blocking device for emptying pipe of ash tank under oil field cementing - Google Patents
Dust blocking device for emptying pipe of ash tank under oil field cementing Download PDFInfo
- Publication number
- CN214597820U CN214597820U CN202120450683.6U CN202120450683U CN214597820U CN 214597820 U CN214597820 U CN 214597820U CN 202120450683 U CN202120450683 U CN 202120450683U CN 214597820 U CN214597820 U CN 214597820U
- Authority
- CN
- China
- Prior art keywords
- dust
- ash
- blow
- tank
- emptying pipe
- 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.)
- Active
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to an oil well cementation instrument technical field, for an ash can blow-down pipe hinders dirt device under oil field cementing, including lower ash can, still include blowback device, blow-down pipe and be used for filtering particulate matter hinder the dirt unit, hinder the dirt unit and lie in inside the ash can down to can dismantle with the inner wall of lower ash can and be connected, hinder the entry and the inside intercommunication of lower ash can of dirt unit, export and blow-down pipe one end are connected, the blow-down pipe other end passes the bottom of lower ash can and communicates with the external world, the gas outlet and the blow-down pipe of blowback device are close to the exit switch-on. The dust removal device achieves the purpose of dust removal by adopting a special filter cloth and a pressure difference principle, the discharged air of the vertical tank emptying pipe is not a mixture of dust particles and compressed air but clean air, a special dust remover is not required to be configured, the connection and the use of well site equipment are reduced, the labor intensity is reduced, the use of the ash tank is more convenient, the environment is protected, the maintenance is easy, the working period is long, and the environment is protected. The occupied space of the ash discharging tank is small, and the loading effective volume of the tank body is not influenced.
Description
Technical Field
The utility model relates to an oil cementing tool technical field, concretely relates to ash can blow-down pipe hinders dirt device under oil field cementing.
Background
At present, air containing a large amount of dust particles discharged by an emptying pipe of a special solid well ash tank for an oil field during ash loading operation is discharged into the atmosphere after being connected to a special dust remover by a hose for dust removal, so that a trolley is required to be specially configured for carrying the dust remover, and the emptying pipe of the emptying tank is required to be connected to the dust remover by the hose. Some methods adopt a dust removal cloth bag arranged at the tail part of the emptying pipe, and cement ash needs to be recovered according to the environmental protection requirement after the operation is finished.
The utility model discloses a utility model patent of application number CN201921333431.4 discloses an ash can built-in dust collector under oil field cementing, including upper cover, curb plate, dust removal filter cloth, blow-down pipe, the upper cover lower part sets up the round curb plate, and the curb plate lower part dress removes dust and filters the cloth, and a filter chamber is constituteed with the upper cover to dust removal filter cloth, curb plate, and the upper end of blow-down pipe stretches into in this filter chamber. During ash loading operation, a mixture of compressed air and powder materials enters the tank body from the feeding pipe, the powder materials are stored in the tank body, the compressed air enters the filtering chamber through the filter cloth and is discharged to the atmosphere through the emptying pipe, and a dust remover is not required to be additionally arranged, so that the dust removing purpose is achieved.
However, the above prior art has the following drawbacks: 1. the air passing area is not enough, so that ash on the ash tank is not smooth and the ash tank cannot be fully loaded; 2. the equipment cannot be disassembled, the maintenance period is short, the equipment is not easy to maintain, and when the equipment is blocked, welding and gas cutting are required to be carried out in the tank; 3. the conventional maintenance equipment (a back flushing device) is not installed, dust is easily accumulated on the filter cloth and blocked, so that the emptying pipe is not smooth in exhaust, the pressure in the tank is suppressed, the loaded cement cannot enter the tank, and the whole well cementation operation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ash can blow-down pipe hinders dirt device under oil field well cementation has solved above the well cementation be the ash can inefficiency and the difficult technical problem who maintains down.
The utility model provides a solve above-mentioned technical problem and provide an ash can blow-down pipe hinders dirt device under oil field cementing, including lower ash can, still include blowback device, blow-down pipe and be used for filtering the dirt unit that hinders of particulate matter, it is located to hinder the dirt unit inside the ash can down, and with the connection can be dismantled to the inner wall of ash can down, hinder the entry and the inside intercommunication of ash can down of dirt unit, the export is connected with blow-down pipe one end, the bottom of ash can and with external intercommunication under the blow-down pipe other end passes, the gas outlet of blowback device with the blow-down pipe is close to the exit switch-on.
Optionally, the dust blocking unit comprises three dust blocking devices connected in parallel, an inlet of each dust blocking device is communicated with the interior of the lower dust tank, and an outlet of each dust blocking device is communicated with one end of the emptying pipe in a sealing manner.
Optionally, the inner wall of the dust arrester is a porous plate provided with a plurality of through holes, and the outer surface of the porous plate is coated with 200-mesh nylon air cushion cloth.
Optionally, the edges of the dust arresters are pressed into a whole through the pressing strips and penetrate through the pressing strips through bolts to be fixedly connected.
Optionally, a hanging connecting plate is fixedly arranged on the inner wall of the top of the lower ash tank, and the dust blocking unit is connected with the hanging connecting plate through a bolt.
Optionally, the dust blocking device further comprises a standby emptying pipe, the standby emptying pipe is fixedly connected with the ash discharge tank, one end of the emptying pipe extends into the ash discharge tank, and the other end of the emptying pipe is communicated with the outside.
Optionally, one end of the emptying pipe is hermetically connected with an outlet of the dust blocking unit through a hose.
Optionally, a manual valve is arranged at an outlet of the emptying pipe.
Optionally, the diameter of the vent pipe is 4 inches.
Has the advantages that: the utility model provides an ash can blow-down pipe hinders dirt device under oil field well cementation, including lower ash can, still include blowback device, blow-down pipe and be used for filtering the dirt unit that hinders of particulate matter, it is located to hinder the dirt unit inside the lower ash can, and with the connection can be dismantled to the inner wall of lower ash can, the entry that hinders the dirt unit with the inside intercommunication of lower ash can, the export is connected with blow-down pipe one end, the blow-down pipe other end pass the bottom of lower ash can and with external intercommunication, the gas outlet of blowback device with the blow-down pipe is close to the exit switch-on. The dust blocking device is simple in structure, achieves the dust removal purpose by adopting a special filter cloth and a pressure difference principle, discharges the vertical tank emptying pipe, is not a mixture of dust particles and compressed air, but clean air, does not need to be provided with a special dust remover, reduces connection and use of well site equipment, reduces labor intensity, enables the use of the lower ash tank to be more convenient, is beneficial to environment protection and easy maintenance, has long working period, and accords with the large trend of environmental protection. Dust particles adsorbed on the filter cloth are cleaned by the gravity effect or the back blowing of compressed air, the whole set of equipment occupies small space of the ash tank, and the loading effective volume of the tank body is not influenced. By adopting the device, the purposes of dust removal and environmental protection can be effectively achieved, the labor intensity of an operator is reduced, the operator does not need to connect a dust removal cloth bag any more, and the ash of the cloth bag is recovered after the operation is finished.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic structural view of the dust blocking device for the blow-down pipe of the ash tank of the oil field cementing of the utility model;
FIG. 2 is a schematic view of the internal structure of the dust blocking device of the blow-down pipe of the ash tank for oil field cementing of the utility model;
FIG. 3 is the utility model discloses the dust remover structural schematic of dust blocking device of ash can blow-down pipe under the oil field cementing.
Description of reference numerals: lower ash can 1, blow-down pipe 2, hose 3, hinder dirt unit 4, blowback device 5, hinder dirt ware 6, perforated plate 7, nylon air-laid cloth 8, layering 9, hang connecting plate 10, reserve blow-down pipe 11, manual valve 12, go up ash pipe 13.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in figures 1 to 3, the utility model provides an ash can blow-down pipe hinders dirt device under oil field well cementation, including lower ash can 1, still include blowback device 5, blow-down pipe 2 and be used for filtering particulate matter hinder dirt unit 4, hinder dirt unit 4 and be located ash can 1 inside down, and with the connection can be dismantled to the inner wall of lower ash can 1, hinder the entry and the inside intercommunication of lower ash can 1 of dirt unit 4, export and 2 one end connections of blow-down pipe, the blow-down pipe 2 other end passes the bottom of lower ash can 1 and communicates with the external world, blowback device 5 the gas outlet with blow-down pipe 2 is close to the exit switch-on.
Hinder dirt unit 4 and play the effect of filtering large granule dust, the large granule adhesion is on the surface of hindering dirt unit 4, and it is inside that gaseous then enters into hindering dirt unit 4 through the hole that hinders dirt unit 4, then flows out to the atmosphere through blow-down pipe 2, plays filterable effect. When the particles blocked outside are accumulated more and more, the particles fall to the bottom of the ash tank 1 under the action of gravity, so that the aim of dust removal is fulfilled. On the other hand, the particles attached to the surface of the dust removing unit can also fall off by blowing back the blow pipe 2 through the blow-back device 5.
Lower ash can 1 stands and places, and the unit that hinders dirt is located the inside top of ash can 1 down and is close to the top to can dismantle with the top and be connected, be convenient for change the maintenance. When the vertical tank is loaded with powder materials in the well cementation operation, the emptying pipe 2 in the tank is in an open state at the moment, the mixture of compressed air and the powder materials enters the tank from the ash feeding pipe 13, the pressure difference exists between the tank and the emptying pipe 2 at the moment, the gas carries the powder materials to flow to the low-pressure channel, the gas and the mixed materials enter the low-pressure channel and must pass through the dust arrester 6, the outer surface of the dust arrester 6 is provided with a 200-mesh nylon air cushion cloth 8 layer, the particles of the mixed materials are larger than 200 meshes, only the gas can enter the inner cavity of the dust arrester 6 at the moment, the mixed materials flow to the atmosphere through the emptying pipe 2, the mixed materials are accumulated on the surface of the dust arrester 6 and fall into the tank downwards under the gravity effect, the dust removal purpose is achieved, the gas source opens the back-blowing device 5 added to the emptying pipe 2 for 10 seconds to back-blow the surface of the dust arrester 6, and the surface is cleaned, the work is routine and easy maintenance.
Optionally, the dust blocking unit 4 includes three dust blocking devices 6 connected in parallel, an inlet of each dust blocking device 6 is communicated with the inside of the lower ash tank 1, and an outlet of each dust blocking device 6 is hermetically communicated with one end of the emptying pipe 2. The dust resistors 6 are connected in parallel, so that the inlet area is enlarged, the filtering is accelerated, and the filtering efficiency is improved. The inlets of the three dust resistors 6 are separated and communicated with the interior of the lower dust tank 1, the pressure in the lower dust tank 1 is large, the gas in the lower dust tank 1 is extruded into the dust resistors 6 under the action of pressure difference, particles are blocked by the dust resistors 6, and the purpose of purifying the gas is achieved. The purified gas is converged and then uniformly enters the emptying pipe 2 and then is discharged to the atmosphere.
Optionally, the inner wall of the dust arrester 6 is a porous plate 7 provided with a plurality of through holes, and the outer surface of the porous plate 7 is coated with a nylon air-cushion cloth 8 of 200 meshes. The size of the filtering holes of the nylon air blanket cloth 8 is 200 meshes, and the size is selected according to the actual situation. The outer surface of the dust arrester 6 is provided with a 200-mesh nylon air-cushion cloth 8 layer, the particles of the mixed material are larger than 200 meshes, only gas can enter the dust arrester 6 at this time, and enters the inner cavity through the through hole of the porous plate 7, and flows to the atmosphere through the emptying pipe 2, and the mixed material is accumulated on the surface of the dust arrester 6, and falls into the tank downwards under the gravity effect, so that the dust removal purpose is achieved.
Optionally, the edges of the dust arresters 6 are pressed into a whole by the pressing strips 9 and fixedly connected by bolts penetrating through the pressing strips 9. The pressing strips 9 are fixed into a whole body, so that the installation is convenient, the pressing strips 9 are provided with holes and are connected through bolts, and then the whole body is connected with the inner wall of the top of the ash tank 1 through a hanging connecting plate 10. Is convenient to disassemble.
Optionally, a hanging connection plate 10 is fixedly arranged on the inner wall of the top of the lower ash tank 1, and the dust blocking unit 4 is connected with the hanging connection plate 10 through a bolt. The hanging connecting plate 10 plays a role in switching, and facilitates the installation and the disassembly of the dust blocking unit 4.
Optionally, the dust blocking device further comprises a standby emptying pipe 11, the standby emptying pipe 11 is fixedly connected with the ash discharging tank 1, one end of the standby emptying pipe 11 extends into the ash discharging tank 1, and the other end of the standby emptying pipe is communicated with the outside. Spare blow-down pipe 11 assists blow-down pipe 2 promptly, plays reserve effect, after the breakdown of blow-down pipe 2, can open spare blow-down pipe 11, and spare blow-down pipe 11 is the same with the erection joint mode of blow-down pipe 2, only need be at the entrance coupling hose 3 of spare blow-down pipe 11, and hose 3 again with hinder the exit linkage of dirt unit 4 can. One or more outlets are provided in the dust suppression unit 4 for connection of a plurality of spare pipes.
Optionally, one end of the emptying pipe 2 is hermetically connected with an outlet of the dust blocking unit 4 through a hose 3. The hose 3 plays a role in reserving allowance, is convenient to install and reduces the installation fault tolerance rate.
Optionally, a manual valve 12 is arranged at the outlet of the emptying pipe 2. The opening and closing of the blow down pipe 2 is achieved by a manual valve 12.
Optionally, the diameter of the vent pipe 2 is 4 inches.
Has the advantages that: the utility model provides an ash can blow-down pipe hinders dirt device under oil field well cementation, including lower ash can, still include blowback device, blow-down pipe and be used for filtering the dirt unit that hinders of particulate matter, it is located to hinder the dirt unit inside the lower ash can, and with the connection can be dismantled to the inner wall of lower ash can, the entry that hinders the dirt unit with the inside intercommunication of lower ash can, the export is connected with blow-down pipe one end, the blow-down pipe other end pass the bottom of lower ash can and with external intercommunication, the gas outlet of blowback device with the blow-down pipe is close to the exit switch-on. The dust blocking device is simple in structure, achieves the dust removal purpose by adopting a special filter cloth and a pressure difference principle, discharges the vertical tank emptying pipe, is not a mixture of dust particles and compressed air, but clean air, does not need to be provided with a special dust remover, reduces connection and use of well site equipment, reduces labor intensity, enables the use of the lower ash tank to be more convenient, is beneficial to environment protection and easy maintenance, has long working period, and accords with the large trend of environmental protection. Dust particles adsorbed on the filter cloth are cleaned by the gravity effect or the back blowing of compressed air, the whole set of equipment occupies small space of the ash tank, and the loading effective volume of the tank body is not influenced. By adopting the device, the purposes of dust removal and environmental protection can be effectively achieved, the labor intensity of an operator is reduced, the operator does not need to connect a dust removal cloth bag any more, and the ash of the cloth bag is recovered after the operation is finished.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides an ash can blow-down pipe hinders dirt device under oil field well cementation, includes lower ash can, its characterized in that still includes blowback device, blow-down pipe and is used for filtering the dirt unit that hinders of particulate matter, it is located to hinder the dirt unit ash can is inside down, and with the connection can be dismantled to the inner wall of lower ash can, hinder the entry and the inside intercommunication of lower ash can of dirt unit, export and blow-down pipe one end are connected, and the blow-down pipe other end passes the bottom of lower ash can and communicates with the external world, the gas outlet of blowback device with the blow-down pipe is close to the exit switch-on.
2. The oilfield cementing bottom ash tank emptying pipe dust blocking device according to claim 1, wherein the dust blocking unit comprises three dust blocking devices connected in parallel, an inlet of each dust blocking device is communicated with the interior of the bottom ash tank, and an outlet of each dust blocking device is communicated with one end of the emptying pipe in a sealing manner.
3. The oilfield cementing dust tank emptying pipe dust-blocking device of claim 2, wherein the inner wall of the dust-blocking device is a porous plate provided with a plurality of through holes, and the outer surface of the porous plate is coated with a 200-mesh nylon air cushion cloth.
4. The oilfield cementing dust tank emptying pipe dust blocking device as defined in claim 2, wherein the edges of the dust blocking devices are pressed into a whole by pressing strips and fixedly connected by bolts penetrating the pressing strips.
5. The oilfield cementing bottom ash tank emptying pipe dust blocking device according to claim 1, wherein a hanging connecting plate is fixedly arranged on the inner wall of the top of the bottom ash tank, and the dust blocking unit is connected with the hanging connecting plate through a bolt.
6. The oilfield cementing dust tank emptying pipe dust blocking device as defined in claim 1, further comprising a spare emptying pipe, wherein the spare emptying pipe is fixedly connected with the dust tank, one end of the spare emptying pipe extends into the dust tank, and the other end of the spare emptying pipe is communicated with the outside.
7. The oilfield cementing dust tank emptying pipe dust blocking device as defined in claim 1, wherein one end of the emptying pipe is hermetically connected with an outlet of the dust blocking unit through a hose.
8. The oilfield cementing dust tank emptying pipe dust blocking device is characterized in that a manual valve is arranged at an outlet of the emptying pipe.
9. The oilfield cementing dust tank emptying pipe dust blocking device is characterized in that the diameter of the emptying pipe is 4 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450683.6U CN214597820U (en) | 2021-03-02 | 2021-03-02 | Dust blocking device for emptying pipe of ash tank under oil field cementing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450683.6U CN214597820U (en) | 2021-03-02 | 2021-03-02 | Dust blocking device for emptying pipe of ash tank under oil field cementing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214597820U true CN214597820U (en) | 2021-11-05 |
Family
ID=78392150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120450683.6U Active CN214597820U (en) | 2021-03-02 | 2021-03-02 | Dust blocking device for emptying pipe of ash tank under oil field cementing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214597820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807877A (en) * | 2021-03-02 | 2021-05-18 | 湖北星蓝石油装备有限公司 | Dust blocking device for emptying pipe of ash tank under oil field cementing |
-
2021
- 2021-03-02 CN CN202120450683.6U patent/CN214597820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807877A (en) * | 2021-03-02 | 2021-05-18 | 湖北星蓝石油装备有限公司 | Dust blocking device for emptying pipe of ash tank under oil field cementing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5064454A (en) | Filtration removal of matter from gas streams, with off-line cleaning of filters | |
| CN214597820U (en) | Dust blocking device for emptying pipe of ash tank under oil field cementing | |
| CN218357991U (en) | Integrated secondary cloth bag filter drum dust remover | |
| CN107754601A (en) | A kind of Environmental-protecting dust-removing equipment | |
| CN206404473U (en) | A kind of PCB bores milling dust dust arrester | |
| JP3123473U (en) | Filter housing filtration device | |
| CN112807877A (en) | Dust blocking device for emptying pipe of ash tank under oil field cementing | |
| CN206463649U (en) | Classified filtering formula sinter-plate precipitator | |
| CN216572239U (en) | Dust filtration equipment for marble processing | |
| CN105413350A (en) | Waste gas purifier with integrated dedusting and adsorption-purifying functions | |
| CN108379957A (en) | A kind of fire-proof and explosion-proof off-line ash-clearing bag pulse dedusting device | |
| CN210814344U (en) | Dust remover | |
| CN107051046B (en) | Industrial ceramic dust collector | |
| CN208115394U (en) | First level filtering device for air purifier | |
| CN215692503U (en) | Convenient pulse bag dust collector who overhauls | |
| CN104929074A (en) | Sweeping machine box and have its sweeping machine | |
| CN212663075U (en) | Waste gas treatment system containing oily dust | |
| CN220861028U (en) | Activated carbon adsorption device | |
| CN204753469U (en) | Sweeping machine box and have its sweeping machine | |
| CN109589698A (en) | Pulse dust collector | |
| CN219209438U (en) | Blowback pulse cloth bag cyclone integrated dust remover | |
| CN218962125U (en) | Ceramic glazing dust remover | |
| CN218024327U (en) | Press down dirt to retrieve removal loading hopper of unloading | |
| CN221217543U (en) | Composite filter element with scale inhibition function | |
| CN219744221U (en) | Line spouts pulse sack cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |