CN210356370U - Well cementation construction is with lower ash can and dust removal noise reduction device - Google Patents
Well cementation construction is with lower ash can and dust removal noise reduction device Download PDFInfo
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- CN210356370U CN210356370U CN201921000325.4U CN201921000325U CN210356370U CN 210356370 U CN210356370 U CN 210356370U CN 201921000325 U CN201921000325 U CN 201921000325U CN 210356370 U CN210356370 U CN 210356370U
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Abstract
The utility model relates to a well cementation construction is with lower ash can and dust removal noise reduction device. The dust discharging tank comprises a tank body, wherein an exhaust pipe used for discharging high-pressure air in the tank body is arranged on the tank body, the exhaust pipe is connected with a dust removing and noise reducing device, the dust removing and noise reducing device comprises a dust removing filter bag and a connecting pipe, the dust removing filter bag and the connecting pipe are used for removing dust, the front end of the connecting pipe extends forwards and backwards, the exhaust pipe of the dust discharging tank is used for being connected with the front end of the connecting pipe, the rear end of the connecting pipe is fixedly connected with the dust removing filter bag, and. The ash discharging tank can be used for solving the problem that the ash discharging tank in the prior art generates noise when discharging high-pressure air.
Description
Technical Field
The utility model relates to a well cementation construction is with lower ash can and a dust removal noise reduction device.
Background
In the process of drilling in an oil field, a pipe column which is put into a well needs to be reinforced, which is called well cementation construction, the adopted construction mode is that cement slurry is poured around the pipe column, the cement slurry needs to be prepared by mixing equipment (such as a cement truck) in an area where a drilling platform is located, the cement for preparing the cement slurry is stored in a cement dropping tank, and the cement is conveyed into the mixing equipment through an ash conveying pipeline by an air compressor during construction. After the work of the ash discharging tank is finished, certain high-pressure air still exists in the ash discharging tank, and the high-pressure air is finally discharged through an exhaust pipe on the ash discharging tank. However, under the pressure of the high-pressure air, the remaining cement in the mortar discharging tank is discharged. In the cement entering air along with high-pressure air exhaust, can cause air pollution, the blast pipe on the ash can is generally thinner down moreover, can produce very big noise when high-pressure air passes through the blast pipe exhaust.
A chinese patent document with publication number CN202113711U, published in 1/18/2012, describes a vertical ash can dust removing device, as shown in fig. 1, which includes a control valve 102, a connection nipple 103 is fixed at the lower end of the control valve 102, the connection nipple 103 is a tubular structure with a constant inner diameter, a boss (not shown in the figure) is arranged at the lower end of the connection nipple, and a dust removing filter bag 104 passes through the boss at the lower end of the connection nipple 103 and is fastened on the connection nipple 103 through a rope 105. When the vertical ash can dust removing device is used, the upper end of the control valve 102 is fixedly connected with the exhaust pipe 101 of the vertical ash can, and when the ash can needs to exhaust high-pressure air in the ash can, the vertical ash can dust removing device can block cement carried by the high-pressure air, so that the cement is prevented from entering air to pollute the environment.
Although the vertical ash can dust removing device can solve the problem that the environment is polluted by the cement discharged along with the high-pressure air, the high-pressure air still generates great noise when being discharged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust removing and noise reducing device which is used for solving the problem that the dust discharging tank in the prior art generates noise when discharging high-pressure air; the utility model also provides a well cementation construction is with lower ash can for solve the lower ash can among the prior art and produce the problem of noise when discharging highly-compressed air.
In order to achieve the above object, the dust removing and noise reducing device of the utility model adopts the following technical scheme: the dust removal and noise reduction device comprises a dust removal filter bag and a connecting pipe, wherein the dust removal filter bag is used for removing dust, the connecting pipe extends forwards and backwards, the front end of the connecting pipe is used for being connected with an exhaust pipe of a lower dust tank, the rear end of the connecting pipe is fixedly connected with the dust removal filter bag, and the connecting pipe is provided with a noise reduction part with an inner diameter larger than the inner diameter of the exhaust pipe of the lower dust tank.
The technical scheme has the beneficial effects that: this dust removal and noise reduction device except can be through the cement among the dust removal filter bag separation highly-compressed air in order to prevent that cement from scattering into polluted environment in the air, its connecting pipe still is equipped with the amortization portion that is used for making an uproar to fall, and the pipe diameter of this amortization portion department is greater than the pipe diameter of the blast pipe of ash can down, and the pipeline pipe diameter that highly-compressed air passes through is by little grow, and highly-compressed air's pressure is by big diminishing, and highly-compressed air's impact force also by big diminishing, so the noise that produces also diminishes when highly.
Furthermore, the dust removal filter bag is fixedly connected with the rear end of the connecting pipe through a fixing clamp ring, the fixing clamp ring is formed by butting two semicircular rings, and the butt joint of at least one side of the fixing clamp ring is locked through a bolt.
The beneficial effects of the improvement are as follows: the utility model provides a firm fixed knot constructs, this fixed snap ring passes through bolt locking, utilizes the pretightning force of bolt can prevent not hard up and then prevent that the dust bag from breaking away from the connecting pipe of snap ring.
Furthermore, the rear end of the connecting pipe is provided with a protruding structure, and the protruding structure is located on the rear side of the fixed clamping ring.
The beneficial effects of the improvement are as follows: because the exhaust pipe continuously discharges high-pressure gas, the dust removal filter bag is bound to be subjected to impact force, and the protruding structure and the fixed snap ring can form a stop by arranging the protruding structure, so that the dust removal filter bag is prevented from being separated from the connecting pipe.
Furthermore, the rear end of the connecting pipe is provided with a ring groove for clamping the fixed snap ring.
The beneficial effects of the improvement are as follows: because the exhaust pipe continuously discharges high-pressure gas, the dust removal filter bag is bound to be subjected to impact force, and the annular groove and the fixed snap ring can form a stop by arranging the annular groove, so that the dust removal filter bag is prevented from being separated from the connecting pipe.
The technical scheme of well cementation construction with lower ash can be: the dust discharging tank comprises a tank body, wherein an exhaust pipe used for discharging high-pressure air in the tank body is arranged on the tank body, the exhaust pipe is connected with a dust removing and noise reducing device, the dust removing and noise reducing device comprises a dust removing filter bag and a connecting pipe, the dust removing filter bag and the connecting pipe are used for removing dust, the front end of the connecting pipe extends forwards and backwards, the exhaust pipe of the dust discharging tank is used for being connected with the front end of the connecting pipe, the rear end of the connecting pipe is fixedly connected with the dust removing filter bag, and.
The technical scheme has the beneficial effects that: the dust removal and noise reduction device is installed on the lower ash tank, the dust removal and noise reduction device can prevent cement in high-pressure air from scattering into the air to pollute the environment through a dust removal filter bag, a noise reduction part for noise reduction is further arranged on the connecting pipe, the pipe diameter of the pipe diameter at the noise reduction part is larger than that of the exhaust pipe of the lower ash tank, the pipe diameter of a pipeline through which the high-pressure air passes is changed from small to large, the pressure of the high-pressure air is changed from large to small, the impact force of the high-pressure air is also changed from large to small, and therefore noise generated when the high-pressure air is.
Furthermore, the dust removal filter bag is fixedly connected with the rear end of the connecting pipe through a fixing clamp ring, the fixing clamp ring is formed by butting two semicircular rings, and the butt joint of at least one side of the fixing clamp ring is locked through a bolt.
The beneficial effects of the improvement are as follows: the utility model provides a firm fixed knot constructs, this fixed snap ring passes through bolt locking, utilizes the pretightning force of bolt can prevent not hard up and then prevent that the dust bag from breaking away from the connecting pipe of snap ring.
Furthermore, the rear end of the connecting pipe is provided with a protruding structure, and the protruding structure is located on the rear side of the fixed clamping ring.
The beneficial effects of the improvement are as follows: because the exhaust pipe continuously discharges high-pressure gas, the dust removal filter bag is bound to be subjected to impact force, and the protruding structure and the fixed snap ring can form a stop by arranging the protruding structure, so that the dust removal filter bag is prevented from being separated from the connecting pipe.
Furthermore, the rear end of the connecting pipe is provided with a ring groove for clamping the fixed snap ring.
The beneficial effects of the improvement are as follows: because the exhaust pipe continuously discharges high-pressure gas, the dust removal filter bag is bound to be subjected to impact force, and the annular groove and the fixed snap ring can form a stop by arranging the annular groove, so that the dust removal filter bag is prevented from being separated from the connecting pipe.
Drawings
FIG. 1 is a schematic structural view of a vertical ash can dust removing apparatus as described in the background art;
FIG. 2 is a schematic view of a part of the structure of the ash discharging tank for well cementation construction in the embodiment 1 of the present invention (including a part of the tank body, an exhaust pipe and a dust removing and noise reducing device);
FIG. 3 is a schematic structural view of the dust removing and noise reducing device in embodiment 1 of the ash discharge tank for well cementation construction according to the present invention;
FIG. 4 is a schematic structural view of a connecting pipe in the dust removing and noise reducing device in embodiment 1 of the ash discharging tank for well cementation construction according to the present invention;
in the attached figure 1: 101-exhaust pipe, 102-control valve, 103-connecting short joint, 104-dust-removing filter bag, 105-rope;
in FIGS. 2-3: 1-tank body, 2-exhaust pipe, 3-joint, 4-connecting pipe, 5-fixed snap ring, 6-dust-removing filter bag, 41-ring groove and 42-convex ring.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
As shown in FIG. 2, the embodiment 1 of the lower ash can for well cementation construction comprises a can body 1, a vent pipe 2 for discharging high-pressure air in the can body 1 is installed on the can body 1, and the vent of the vent pipe 2 is connected with a dust removal and noise reduction device.
As shown in fig. 2 or 3, the dust removing and noise reducing device includes a dust filter bag 6 for blocking cement discharged with high-pressure air and a connecting pipe 4 connected to the exhaust pipe 2, and the dust filter bag 6 is sleeved at the rear end of the connecting pipe 4.
The dust-removing filter bag 6 is a cylindrical cloth bag with a closed bottom, and the dust-removing filter bag 6 is made of terylene needle felt filter cloth.
The connecting pipe 4 is a tubular structure with a thin front end and a thick rear end, the thick rear end of the connecting pipe 4 forms a silencing part, and the dedusting and noise reduction device reduces noise when high-pressure air is discharged through the change of the pipe diameter of the connecting pipe 4.
As shown in fig. 3 and 4, a protruding ring 42 is welded at the rear end of the connecting pipe 4, the protruding ring 42 forms a protruding structure, two ring grooves 41 are formed in the front side of the protruding ring 42 at the rear end of the connecting pipe 4, the protruding ring 42 and the ring grooves 41 are wrapped inside the dust-removing filter bag 6 when the dust-removing filter bag is sleeved on the connecting pipe 4, the dust-removing filter bag 6 is fixed on the connecting pipe 4 through two fixing snap rings 5 after being sleeved on the connecting pipe 4, the fixing snap rings 5 are clamped in the ring grooves 41, the fixing snap rings 5 are formed by butt-jointing two semicircular rings, one sides of the two semicircular rings are hinged together, and the other sides of.
The thin front end of connecting pipe 4 passes through to connect 3 and blast pipe 2 fixed connection, and the external screw thread has been seted up to the front end tip of connecting pipe 4, connects 3 inside setings up and has the internal thread, and connecting pipe 4 and joint 3 are fixed through screw-thread fit, and the other end that connects 3 is fixed through screw-thread fit and blast pipe 2 equally.
Of course, in other embodiments, the position of the exhaust pipe may not be arranged at the bottom of the ash discharge tank, and may be arranged at other positions according to actual situations; the shape of the dust-removing filter bag can also be oval and other shapes, and the requirements are met; the material of the dust removal filter bag can also be selected from other materials such as non-woven fabrics and the like, and the requirements are met; the structural distribution of the connecting pipe does not need to be set to be thin at the front end and thick at the rear end, can be set to be thin at the front end, thick in the middle, thin at the rear end, or other structures, as long as a thick silencing part is met; the convex ring can also be a convex structure which is integrated with the connecting pipe, and the requirement is met; the convex rings can also be a plurality of convex structures distributed at intervals on the circumference of the rear end of the connecting pipe, and the requirements are met; the fixing clasp can also be replaced by a rope, a binding belt or other binding structures; the number of the fixing snap rings is not two, and one, three or other numbers can be used; two sides of two semicircular rings in the fixed clamping ring can be locked by bolts, and the requirements are met; the connecting pipe can also be directly connected with the exhaust pipe in a welding mode, and the connecting pipe is not easy to detach due to the arrangement; the action of the convex rings and the ring grooves in the above embodiments is similar, in other embodiments, only two convex rings or only two ring grooves may be provided, which also meets the requirement, and of course, the number of the specifically provided ring grooves or convex rings corresponds to the number of the matched fixing snap rings.
The utility model discloses a dust removal and noise reduction device's embodiment, its specific structure is the same with the dust removal and noise reduction device's in the above-mentioned embodiment 1 of lower ash can structure, and here is no longer repeated.
Claims (8)
1. The utility model provides a device of making an uproar falls in dust removal, is including the dust bag and the connecting pipe that are used for removing dust, and the connecting pipe extends around, and the front end of connecting pipe is used for being connected with the blast pipe of ash can down, rear end and dust bag fixed connection, characterized by, the connecting pipe has the noise reduction portion that the internal diameter is greater than the blast pipe internal diameter of ash can down.
2. The dust-removing and noise-reducing device as claimed in claim 1, wherein the dust-removing filter bag is fixedly connected with the rear end of the connecting pipe through a fixing snap ring, the fixing snap ring is formed by butting two semicircular rings, and the butt joint of at least one side of the fixing snap ring is locked through a bolt.
3. The dust removing and noise reducing device of claim 2, wherein the rear end of the connecting pipe is provided with a convex structure, and the convex structure is positioned at the rear side of the fixing snap ring.
4. A dust-removing and noise-reducing device as claimed in claim 2 or 3, wherein the rear end of the connecting pipe is provided with a ring groove for clamping the fixing snap ring.
5. The utility model provides a well cementation construction is with grey jar down, includes a jar body, is equipped with the blast pipe that is used for discharging jar internal portion high-pressure air on the jar body, and the blast pipe is connected with a dust removal and falls the device of making an uproar, and the device of making an uproar falls in the dust removal includes the dust removal filter bag and the connecting pipe that are used for removing dust, extends around the connecting pipe, and the front end and the blast pipe of connecting pipe are connected, rear end and dust removal filter bag fixed connection, characterized by, the connecting pipe has the noise reduction portion.
6. The cement discharging tank for well cementation construction according to claim 5, wherein the dust removing filter bag is fixedly connected with the rear end of the connecting pipe through a fixing snap ring, the fixing snap ring is formed by butting two semicircular rings, and the butt joint of at least one side of the fixing snap ring is locked through a bolt.
7. The cement discharging tank for well cementation construction according to claim 6, wherein a protruding structure is provided at a rear end of the connection pipe, and the protruding structure is located at a rear side of the fixing snap ring.
8. The cement discharging tank for well cementation construction according to claim 6 or 7, wherein an annular groove for clamping the fixing snap ring is provided at the rear end of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000325.4U CN210356370U (en) | 2019-06-28 | 2019-06-28 | Well cementation construction is with lower ash can and dust removal noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000325.4U CN210356370U (en) | 2019-06-28 | 2019-06-28 | Well cementation construction is with lower ash can and dust removal noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210356370U true CN210356370U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921000325.4U Active CN210356370U (en) | 2019-06-28 | 2019-06-28 | Well cementation construction is with lower ash can and dust removal noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210356370U (en) |
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2019
- 2019-06-28 CN CN201921000325.4U patent/CN210356370U/en active Active
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