CN209510297U - A kind of compound desander - Google Patents
A kind of compound desander Download PDFInfo
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- CN209510297U CN209510297U CN201920188251.5U CN201920188251U CN209510297U CN 209510297 U CN209510297 U CN 209510297U CN 201920188251 U CN201920188251 U CN 201920188251U CN 209510297 U CN209510297 U CN 209510297U
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- pipeline
- sand
- tank
- mud settling
- settling tank
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Abstract
The utility model belongs to natural gas shale gas production technical field, and in particular to a kind of compound desander.Vertical grit catcher in the prior art and equal existing defects of horizontal desander and cannot simply connecting carry out using aiming at the problem that, the technical solution of the utility model is: including mud settling tank and filtering sand removing tank, sand setting pot bottom is provided with sand flash valve, pipeline I is provided at the top of mud settling tank, pipeline I is connected to filtering sand removing tank, and filtering sand removing tank inlet valve is provided on pipeline I；Mud settling tank side is provided with pipeline II, and mud settling tank inlet valve is provided on pipeline II, and filtering sand removing tank is connected to pipeline II by pipeline III, and filtering sand removing tank import service valve is provided on pipeline III；It is connected with the pipeline IV for drain on pipeline I, mud settling tank outlet service valve is provided on pipeline IV, the pipeline V being provided on sand removing tank for drain is filtered, is provided with tapping valve on pipeline V.Sand removing process of the utility model suitable for shale gas production.
Description
Technical field
The invention belongs to natural gas shale gas production technical fields, and in particular to a kind of compound desander.
Background technique
There are two types of the desanders currently used in the production of natural gas shale gas, and one is heavy using gravitational sand settling or eddy flow
Sandy plain manages the vertical grit catcher of desanding, and one is the horizontal desanders using filtration method desanding.
Vertical grit catcher volume is big, and desanding amount is more, but liquid gas, which quickly flows, makes desanding not to the utmost, and part sand grains is still brought into
Downstream, with destructiveness.Horizontal desander desanding precision is high, but desanding amount is small, and sand removal is frequent, easily causes if operation is improper
Filter cylinder damage.Also, vertical grit catcher and horizontal desander cannot simply be together in series use, otherwise, any one desanding
Device needs sand removal or breaks down to need repairing, and will lead to whole system and stops working, and reduces the reliability and peace of system
Quan Xing.
Summary of the invention
For vertical grit catcher in the prior art and the equal existing defects of horizontal desander, and the two cannot simply connect into
The problem of using is exercised, the present invention provides a kind of compound desander, its object is to: take the length of the two to keep away the short of the two, increase removes
Sand amount improves desanding precision, keeps desanding operation simpler, desanding is more reliable, safer.
The technical solution adopted by the invention is as follows:
A kind of compound desander, including mud settling tank and filtering sand removing tank, the sand setting pot bottom is provided with sand flash valve, described
Pipeline I is provided at the top of mud settling tank, the pipeline I is connected to filtering sand removing tank, be provided on the pipeline I filter sand removing tank into
Mouth valve；The mud settling tank side is provided with pipeline II, and mud settling tank inlet valve, the filtering sand removing tank and pipe are provided on pipeline II
Road II is connected to by pipeline III, and filtering sand removing tank import service valve is provided on the pipeline III；It is connected on the pipeline I useful
In being provided with mud settling tank outlet service valve on the pipeline IV of drain, the pipeline IV, it is provided with and is used on the filtering sand removing tank
The pipeline V of drain is provided with tapping valve on the pipeline V.
After the technical solution, the system that is made up of pipeline and valve is by the mud settling tank and work as vertical grit catcher
Get up for the filtering sand removing tank connection of horizontal desander.When the systems are operating normally, mud settling tank and filtering sand removing tank constitute series connection
Structure, fluid (containing gas and water, sand), by desanding twice, can either reach sleeping through mud settling tank, pipeline I and filtering sand removing tank flowing
Formula desander advantage with high accuracy, and can achieve the effect that vertical grit catcher desanding amount is more, effectively prevent horizontal desander
The trouble of frequent sand removal and vertical grit catcher desanding not to the utmost the shortcomings that.On the other hand, when mud settling tank or filtering sand removing tank in its
In one when needing sand removal or maintenance, pipeline I is substituted by pipeline III or pipeline IV, so that mud settling tank and filtering sand removing tank are constituted
Parallel-connection structure, the two bypass each other, i.e., in mud settling tank sand removal or upkeep operation, filtering sand removing tank makees bypass isolated operation.Instead
Filter sand removing tank carry out sand removal or when upkeep operation mud settling tank as bypass isolated operation.Sand removal or upkeep operation complete it
The two restores series operation afterwards.This sand removal or maintenance mode overcome single desander in sand removal or maintenance, open bypass
Pipeline and allow sand grains to enter the defect that downstream damages with fluid.This can ensure the reliability and peace of desanding to the maximum extent
Quan Xing.
Preferably, pipeline VI is connected on pipeline III, the open-ended setting of the pipeline VI is described inside mud settling tank
Spare flushing valve is provided on pipeline VI.
After the technical solution, additional fluid can be sent by pipeline VI in mud settling tank sediment outflow, rinses sand setting
Inside tank, enhance the effect of sand removal.
It is further preferred that sand setting pot bottom is provided with drain pipe, the sand flash valve is arranged in drain pipe, the sediment outflow
The other end of pipe is connected with sand pond.
After the preferred embodiment, it is rinsed, sand setting in tank can be discharged into sand pond by opening flushing valve.
Preferably, filtering sand removing tank is internally provided with sand filtering barrel, and one end of the filtering sand removing tank is provided with fast opening blind.
In the preferred embodiment, desanding is filtered by sand filtering barrel, when sand filtering barrel needs sand removal, fast opening blind can be opened and carried out clearly
Sand processing.
Preferably, pipeline V and pipeline IV are interconnected.The preferred embodiment will be used for the pipeline V and pipeline of exhaust fluid
IV is connected to, so that system structure more simplifies.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. when the systems are operating normally, mud settling tank and filtering sand removing tank constitute cascaded structure, fluid is through mud settling tank, pipeline I
With filtering sand removing tank flowing, by desanding twice, horizontal desander advantage with high accuracy can either be reached, and can reach vertical
Effect more than desander desanding amount, the trouble for effectively preventing horizontal desander frequent sand removal and vertical grit catcher desanding are not to the utmost
Disadvantage.
2. passing through pipeline III or pipeline IV when one of them in mud settling tank or filtering sand removing tank needs sand removal or maintenance
Pipeline I is substituted, so that mud settling tank and filtering sand removing tank constitute parallel-connection structure, the two bypasses each other, i.e., in mud settling tank sand removal or inspection
When repairing operation, filtering sand removing tank makees bypass isolated operation.Otherwise the mud settling tank when filtering sand removing tank and carrying out sand removal or upkeep operation
As bypass isolated operation.The two restores series operation after sand removal or upkeep operation are completed.This sand removal or maintenance mode gram
Single desander has been taken in sand removal or maintenance, bypass line has been opened and sand grains is allowed to lack with what fluid entered that downstream damages
It falls into.This can ensure the reliability and safety of desanding to the maximum extent.
3. additional fluid can be sent into mud settling tank sediment outflow by pipeline VI, rinse inside mud settling tank, enhances sand removal
Effect.It is rinsed, sand setting in tank can be discharged into sand pond by opening flushing valve.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is structural schematic diagram of the invention.
Wherein: 1- mud settling tank, 2- mud settling tank inlet valve, 3- filter sand removing tank inlet valve, and 4- filters sand removing tank, 5- filter sand
Cylinder, 6- tapping valve, 7- fast opening blind, 8- filtering sand removing tank import service valve, 9- mud settling tank outlet service valve, 10- sand flash valve,
The spare flushing valve of 11-, 12- pipeline II, 13- pipeline III, 14- pipeline I, 15- pipeline VI, 16- pipeline V, IV, of 17- pipeline
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to the present invention.
A kind of compound desander, including mud settling tank 1 and filtering sand removing tank 4, mud settling tank 1 belong to vertical grit catcher, basic
Structure is same as the prior art；Filtering sand removing tank 4 belongs to horizontal desander, and basic structure is same as the prior art, crosses and filters out
Silo 4 is internally provided with sand filtering barrel 5, and one end of the filtering sand removing tank 4 is provided with fast opening blind 7.1 bottom of mud settling tank is provided with
Drain pipe, the sand flash valve 10 are arranged in drain pipe, and the other end of the drain pipe is connected with sand pond.The mud settling tank 1 pushes up
Portion is provided with pipeline I 14, and the pipeline I 14 be connected to filtering sand removing tank 4, be provided on the pipeline I 14 filter sand removing tank into
Mouth valve 3.1 side of mud settling tank is provided with pipeline II 12, and mud settling tank inlet valve 2 is provided on pipeline II 12, and the mistake filters out
Silo 4 is connected to pipeline II 12 by pipeline III 13, and filtering sand removing tank import service valve 8 is provided on the pipeline III 13.Institute
The pipeline IV 17 being connected on pipeline I 14 for drain is stated, mud settling tank outlet service valve 9, institute are provided on the pipeline IV 17
The pipeline V 16 being provided on filtering sand removing tank 4 for drain is stated, is provided with tapping valve 6 on the pipeline V 16.The pipeline
Pipeline VI 15 is connected on III 13, the open-ended setting of the pipeline VI 15 is set on the pipeline VI 15 inside mud settling tank 1
It is equipped with spare flushing valve 11.
Pipeline III 13, pipeline I 14 and pipeline VI 15 are connected to filtering sand removing tank 4, in order to simplify the connection relationship of system,
Structure as one preferred, the position that pipeline III 13, pipeline I 14 and pipeline VI 15 are connected to filtering sand removing tank 4 can share one
Duan Guanlu.Since function is for exhaust fluid, because pipeline V 16 and pipeline IV 17 are interconnected, with the row of common pall
Put section.
The operating mode of the present embodiment includes normal operation, 1 sand removal of mud settling tank or maintenance and filtering 4 sand removal of sand removing tank or inspection
Repair totally three kinds.
When normal operation, filtering sand removing tank import service valve 8, mud settling tank outlet service valve 9, sand flash valve 10 and spare flushing
Valve 11 is in closed state, and fluid (containing gas and water, sand) enters mud settling tank 1 through liquid feed valve 2, in 1 tank body of mud settling tank sand grains by
Gravity is sunken to tank bottom, and the fluid after sand setting enters filtering sand removing tank 4 by filtering out silo inlet valve 3, filters through sand filtering barrel 5
Enter downstream line through tapping valve 6 again afterwards.Sand grains eliminates substantially in sedimentation and filtered fluid.
When 1 sand removal of mud settling tank or maintenance, liquid flowing valve 2 and filtering sand removing tank inlet valve 3 are first closed, opens filtering sand removing tank
Import service valve 8 allows fluid to enter filtering sand removing tank 4 by filtering out silo import service valve 8, after filtering again through tapping valve 6
Discharge.At this point, opening sand flash valve 10, sand grains in mud settling tank 1 is allowed to be discharged except tank body under pressure itself effect (if sand need to be arranged
When entering sand pond, flushing valve 10 can be opened and be rinsed, sand setting in tank is discharged into pond).After drained sand, sand flash valve 10 is closed,
Sand removing tank import service valve 8 is filtered, liquid feed valve 2 and filter sand tank inlet valve 3 are opened, mud settling tank 1 and filtering sand removing tank 4 restore series connection
Operation.
When filtering 4 sand removal of sand removing tank or maintenance, filtering sand removing tank inlet valve 3 and tapping valve 6 are first closed, mud settling tank is opened and goes out
Mouth service valve 9, fluid is discharged through mud settling tank outlet service valve 9 again after 1 sand setting of mud settling tank at this time.When sand removal, opening is opened fastly
Blind plate 7 takes out sand filtering barrel 5, cylinder sand grains is outwelled and cleaned out, then sand filtering barrel 5 is put back into filtering sand removing tank 4, closes
Good fast opening blind 7.After the completion of sand removal operation, filtering sand removing tank inlet valve 3 and tapping valve 6 are opened, mud settling tank is closed and exports service valve
9, desander restores series operation.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (5)
1. a kind of compound desander, it is characterised in that: including mud settling tank (1) and filtering sand removing tank (4), mud settling tank (1) bottom
Portion is provided with sand flash valve (10), and pipeline I (14), the pipeline I (14) and filtering sand removing tank are provided at the top of the mud settling tank (1)
(4) it is connected to, filtering sand removing tank inlet valve (3) is provided on the pipeline I (14)；Mud settling tank (1) side is provided with pipeline
II (12) are provided with mud settling tank inlet valve (2) on pipeline II (12), and the filtering sand removing tank (4) and pipeline II (12) pass through pipe
Road III (13) is connected to, and filtering sand removing tank import service valve (8) is provided on the pipeline III (13)；Connect on the pipeline I (14)
It is connected to the pipeline IV (17) for drain, mud settling tank outlet service valve (9) is provided on the pipeline IV (17), the mistake filters out
It is provided with the pipeline V (16) for drain in silo (4), tapping valve (6) are provided on the pipeline V (16).
2. a kind of compound desander described in accordance with the claim 1, it is characterised in that: be connected with pipeline on the pipeline III (13)
The open-ended setting of VI (15), the pipeline VI (15) is internal in mud settling tank (1), is provided on the pipeline VI (15) spare
Flushing valve (11).
3. a kind of compound desander according to claim 2, it is characterised in that: mud settling tank (1) bottom is provided with row
Sandpipe, the sand flash valve (10) are arranged in drain pipe, and the other end of the drain pipe is connected with sand pond.
4. a kind of compound desander described in accordance with the claim 1, it is characterised in that: setting inside the filtering sand removing tank (4)
Have sand filtering barrel (5), one end of filtering sand removing tank (4) is provided with fast opening blind (7).
5. a kind of compound desander described in accordance with the claim 1, it is characterised in that: the pipeline V (16) and pipeline IV (17)
It is interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920188251.5U CN209510297U (en) | 2019-02-03 | 2019-02-03 | A kind of compound desander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920188251.5U CN209510297U (en) | 2019-02-03 | 2019-02-03 | A kind of compound desander |
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| Publication Number | Publication Date |
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| CN209510297U true CN209510297U (en) | 2019-10-18 |
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| CN201920188251.5U Active CN209510297U (en) | 2019-02-03 | 2019-02-03 | A kind of compound desander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695444A (en) * | 2019-02-03 | 2019-04-30 | 四川乐山伟业机电有限责任公司 | A kind of compound desander |
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2019
- 2019-02-03 CN CN201920188251.5U patent/CN209510297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695444A (en) * | 2019-02-03 | 2019-04-30 | 四川乐山伟业机电有限责任公司 | A kind of compound desander |
| CN109695444B (en) * | 2019-02-03 | 2024-02-27 | 四川乐山伟业机电有限责任公司 | Duplex sand remover |
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