CN110107494A - A kind of plunger pump promotes chamber and its method for improving - Google Patents
A kind of plunger pump promotes chamber and its method for improving Download PDFInfo
- Publication number
- CN110107494A CN110107494A CN201910474099.1A CN201910474099A CN110107494A CN 110107494 A CN110107494 A CN 110107494A CN 201910474099 A CN201910474099 A CN 201910474099A CN 110107494 A CN110107494 A CN 110107494A
- Authority
- CN
- China
- Prior art keywords
- piston
- over
- middle roll
- valve body
- ball sealer
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/02—Packing the free space between cylinders and pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A kind of plunger pump promotion chamber, including piston cylinder, piston cylinder is interior to be equipped with piston, and the upper end fixed piston rod of piston, the space of piston cylinder is divided into feeding warehouse from bottom to top, middle roll-over, promotes storehouse;In middle roll-over, promoted between storehouse equipped with piston, the fixed unidirectional filtering valve body between feeding warehouse, middle roll-over, unidirectional filtering valve body is equipped with the first ball sealer in middle roll-over side, when the first ball sealer is in close contact unidirectional filtering valve body, is not connected between feeding warehouse, middle roll-over;When the first ball sealer does not contact unidirectional filtering valve body, it is connected between feeding warehouse, middle roll-over;Piston includes hollow portion, and the both ends of hollow portion are respectively piston upper end, piston, and piston is sealing valve body.The invention also discloses a kind of method for improving that chamber is promoted using above-mentioned plunger pump.Compared with the existing technology, technical effect of the invention is that present invention design has secondary seal, and in the upward feeding of piston, the material in middle roll-over will not fall, and improve powder feeding efficiency.
Description
Technical field
The present invention relates to a kind of production equipments of coal mine training equipment.
Background technique
Currently, before mash gas extraction, extraction pipeline is sealed in drainage holes for existing coal mine, filling out of using is sealed
Material is generally pumped by plunger.
Summary of the invention
The technical problem to be solved in the present invention: in practice, the efficiency of plunger pump is lower.
Technical solution of the present invention specifically:
A kind of plunger pump promotion chamber, including piston cylinder, piston cylinder is interior to be equipped with piston, the upper end fixed piston rod of piston, piston
The space of cylinder is divided into feeding warehouse from bottom to top, middle roll-over, promotes storehouse;It in middle roll-over, is promoted between storehouse equipped with piston, is being fed
Fixed unidirectional filtering valve body between storehouse, middle roll-over, it is unidirectional to filter valve body and be equipped with the first ball sealer in middle roll-over side, when the
When one ball sealer is in close contact unidirectional filtering valve body, it is not connected between feeding warehouse, middle roll-over;When the first ball sealer does not contact list
To when filtering valve body, it is connected between feeding warehouse, middle roll-over;Piston includes hollow portion, and the both ends of hollow portion are respectively on piston
End, piston, piston are to seal valve body, piston upper end fixed piston rod, and piston upper end can prevent the second sealing
Ball, which enters, promotes storehouse, and piston is equipped with the promotion channel of roll-over in connection, is equipped with the second ball sealer in hollow portion, on piston
End, piston match on the surface of hollow portion side with the second ball sealer, can complete in sealing contact;The upper section and piston of piston
There is the gap passed through for material between cylinder, fixing seal ring on the outside of the lower section of piston, sealing ring makes between gap and middle roll-over
It is not connected to;The side wall of piston is equipped with side path, and side path is used to be connected to gap, hollow portion, pass through for material.
The fixed baffle of the lower section of middle roll-over, baffle are equipped with the channel for being connected to its two sides.
Side path set there are three or four, be evenly distributed on piston.
Sealing ring outer profile middle section is depressed area, and both ends are protrusion area.
A kind of method for improving being promoted chamber using above-mentioned plunger pump, is included the following steps:
The first step, prepare: the feeding warehouse of plunger pump piston is lowered into hopper, and piston rod pushes piston to run to middle roll-over
Bottom, the first ball sealer, the second ball sealer are all located at lower end, at this point, the material in hopper is automatically into feeding warehouse.
Second step is promoted: piston rod drives piston upwards, and the space of middle roll-over is widened while the air pressure in it
Be lower, at this point, the first ball sealer is moved upwards because of extraneous pressure, the unidirectional channel for filtering valve body is opened, material from
Feeding warehouse crosses roll-over in unidirectional filtering valve body entrance.
Third step, compression: piston moves downward for piston rod drive, and the space of middle roll-over is compressed while the pressure in it
Become larger, at this point, the first ball sealer moves downward because of general pressure and is close to unidirectionally filter valve body, it is unidirectional to filter the logical of valve body
Road is closed, and middle roll-over becomes confined space;Piston rod band piston continues to move downward until running to minimum point, the process
In, the space of middle roll-over continues to be compressed, in material be pressurized and enter and promote channel, oppress the second ball sealer simultaneously and move up
To piston upper end, then material enters from side path, gap by entering hollow portion after promoting channel and promotes storehouse.
4th step, mention material: piston rod drives piston upwards, and the space of middle roll-over is widened while the pressure in it
Be lower, at this point, the second ball sealer is displaced downwardly at piston, the second ball sealer be combined together with piston blocked it is hollow
Connection between portion, middle roll-over;First ball sealer is moved upwards because of extraneous pressure, and the unidirectional channel for filtering valve body is beaten
It opens, material crosses roll-over in unidirectional filtering valve body entrance from feeding warehouse;Piston rod band piston continues up, transfer
Combination between storehouse, promotion storehouse by the second ball sealer and piston, which has been interrupted, to be connected to, and piston walks the product pump promoted in storehouse.
Compared with the existing technology, technical effect of the invention is that present invention design has secondary seal, in the upward feeding of piston
When, the material in middle roll-over will not fall and (will not flow to feed end), improve powder feeding efficiency.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Fig. 2 is use state diagram (one) of the invention.
Fig. 3 is use state diagram (two) of the invention.
Fig. 4 is use state diagram (three) of the invention.
Fig. 5 is use state diagram (four) of the invention.
Fig. 6 is the enlarged diagram of piston portion of the invention.
Fig. 7 is the expanded schematic diagram on inventive piston surface.
Fig. 8 is the schematic diagram of sealing ring.
Specific embodiment
Such as Fig. 1-8, a kind of plunger pump promotion chamber, including piston cylinder 20, piston cylinder 20 is interior to be equipped with piston 30, piston 30
Upper end fixed piston rod 10.
The space of piston cylinder 20 is divided into feeding warehouse 51 from bottom to top, middle roll-over 52, promotes storehouse 53.
In middle roll-over 52, promote the fixed unidirectional filtering between feeding warehouse 51, middle roll-over 52 equipped with piston 30 between storehouse 53
Valve body 22, it is unidirectional to filter valve body 22 in middle 52 side of roll-over equipped with the first ball sealer 23, when tight 23 contiguity of the first ball sealer
When valve body 22 is unidirectionally filtered in touching, it is not connected between feeding warehouse 51, middle roll-over 52;When the first ball sealer 23 does not contact unidirectional filtering
When valve body 22, it is connected between feeding warehouse 51, middle roll-over 52.First ball sealer and unidirectional filtering valve body form check valve.
Piston 30 includes hollow portion 33, and the both ends of hollow portion 33 are respectively piston upper end 36, piston 31, piston
31 can prevent the second ball sealer 34 from entering promotion to seal valve body, 36 fixed piston rod 10 of piston upper end, and piston upper end 36
Storehouse 53, piston 31 are equipped with the promotion channel 32 of roll-over 52 in connection, are equipped with the second ball sealer 34 in hollow portion 33, on piston
End 36, piston 31 match on the surface of 33 side of hollow portion with the second ball sealer 34, can complete in sealing contact.Piston
31(seals valve body) check valve is formed with the second ball sealer 34.
There is the gap 39 passed through for material between the upper section and piston cylinder 20 of piston 30, is fixed on the outside of the lower section of piston 30
Sealing ring 38, sealing ring 38 make not to be connected between gap 39 and middle roll-over 52.
The side wall of piston 30 is equipped with side path 35, and side path 35 is used to be connected to gap 39, hollow portion 33, is used for object
Material passes through.
Such as Fig. 1, the movement of the first ball sealer 23 is too far in order to prevent, the fixed baffle 24 of the lower section of middle roll-over 52, baffle 24
Equipped with the channel for being connected to its two sides, pass through for material, referring to attached drawing 2 when material passes through.
Such as Fig. 7, in order to which punishment in advance is uniform, side path 35 set there are three or four, be evenly distributed on piston 30.
Such as Fig. 8,38 outer profile middle section of sealing ring is depressed area 381, and both ends are protrusion area 382, protrudes area 382
Sealing function can be played, and depressed area 381 is not contacted with piston cylinder 20, can less piston motion when the frictional resistance that is subject to.
Its working principle is that:
When plunger pump piston works, in accordance with the following steps:
The first step prepares.Such as Fig. 1, the feeding warehouse 51 of plunger pump piston is lowered into hopper (such as agitator), piston rod 10
Piston 30 is pushed to run to the bottom of middle roll-over 52, the first ball sealer 23, the second ball sealer 34 are all located at lower end, at this point, hopper
Interior material is automatically into feeding warehouse 51.
Second step is promoted.Such as Fig. 2, piston rod 10 moves upwards (in figure to the left) with piston 30, the space of middle roll-over 52
It is widened while the air pressure in it is lower, at this point, the first ball sealer 23 is moved upwards because of extraneous pressure, unidirectional strainer valve
The channel of valve body 22 is opened, material from feeding warehouse 51 cross unidirectional filtering valve body 22 enter in roll-over 52(referring in attached drawing
Arrow direction).
Third step, compression.Such as Fig. 3, piston rod 10 is moved downward with piston 30, and the space of middle roll-over 52 is compressed, is same
When its in pressure become larger, it is single at this point, the first ball sealer 23 moves downward because of general pressure and is close to unidirectionally filter valve body 22
It is closed to the channel of filtering valve body 22, middle roll-over 52 becomes confined space.
Such as Fig. 4, piston rod 10 continues to move downward with piston 30 until running to minimum point, during being somebody's turn to do, middle roll-over
52 space continues to be compressed, in material be pressurized and enter and promote channel 32, oppress moved on the second ball sealer 34 simultaneously
At piston upper end 36, then material enters from side path 35, gap 39 and is promoted by entering hollow portion 33 after promoting channel 32
Storehouse 53.
4th step mentions material.Such as Fig. 5, piston rod 10 is moved upwards with piston 30, and the space of middle roll-over 52 is widened, together
When its in pressure be lower, at this point, the second ball sealer 34 is displaced downwardly at piston 31, the second ball sealer 34 and piston 31
It is combined together the connection blocked between hollow portion 33, middle roll-over 52.
At this point, the first ball sealer 23 is moved upwards because of extraneous pressure such as Fig. 1, the unidirectional channel for filtering valve body 22
Be opened, material from feeding warehouse 51 cross unidirectional filtering valve body 22 enter in roll-over 52(referring to arrow direction in attached drawing).
Meanwhile such as Fig. 2, piston rod 10 is continued up with piston 30, and middle roll-over 23 is promoted and leans on second between storehouse 23
The combination of ball sealer 34 and piston 34, which has been interrupted, to be connected to, and piston 30 walks the product pump for promoting in storehouse 53.
Continue to repeat third step, the 4th step, until completing.
Other content participates in the prior art.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (5)
1. a kind of plunger pump promotes chamber, including piston cylinder (20), be equipped with piston (30) in piston cylinder (20), piston (30) it is upper
It holds fixed piston rod (10), it is characterised in that:
The space of piston cylinder (20) is divided into feeding warehouse (51) from bottom to top, middle roll-over (52), promotes storehouse (53);
In middle roll-over (52), promoted equipped with piston (30) between storehouse (53), it is fixed single between feeding warehouse (51), middle roll-over (52)
To filtering valve body (22), valve body (22) are unidirectionally filtered in middle roll-over (52) side and are equipped with the first ball sealer (23), when first
When ball sealer (23) is in close contact unidirectional filtering valve body (22), feeding warehouse (51), middle roll-over are not connected between (52);When first
When ball sealer (23) does not contact unidirectional filtering valve body (22), feeding warehouse (51), middle roll-over are connected between (52);
Piston (30) includes hollow portion (33), and the both ends of hollow portion (33) are respectively piston upper end (36), piston (31), is lived
Filling in lower end (31) is sealing valve body, piston upper end (36) fixed piston rod (10), and piston upper end (36) can prevent it is second close
Blocking (34), which enters, promotes storehouse (53), and piston (31) is equipped with the promotion channel (32) of roll-over (52) in connection, hollow portion
(33) the second ball sealer (34) are equipped in, the surface and the of piston upper end (36), piston (31) in hollow portion (33) side
Two ball sealers (34) matching, can complete in sealing contact;
There are the gap (39) passed through for material, the lower section outside of piston (30) between the upper section and piston cylinder (20) of piston (30)
Fixing seal ring (38), sealing ring (38) make not to be connected between gap (39) and middle roll-over (52);
The side wall of piston (30) is equipped with side path (35), and side path (35) is used to be connected to gap (39), hollow portion (33),
Pass through for material.
2. plunger pump as described in claim 1 promotes chamber, it is characterised in that: the fixed baffle of the lower section of middle roll-over (52)
(24), baffle (24) is equipped with the channel for being connected to its two sides.
3. plunger pump as described in claim 1 promotes chamber, it is characterised in that: side path (35) set there are three or four
It is a, it is evenly distributed on piston (30).
4. plunger pump as described in claim 1 promotes chamber, it is characterised in that: sealing ring (38) outer profile middle section is recessed
It falls into area (381), both ends are protrusion area (382).
5. a kind of method for improving for promoting chamber using plunger pump described in claim 1, it is characterised in that: including walking as follows
It is rapid:
The first step, prepare: the feeding warehouse (51) of plunger pump piston is lowered into hopper, and piston rod (10) pushes piston (30) fortune
Row is to the bottom of middle roll-over (52), and the first ball sealer (23), the second ball sealer (34) are all located at lower end, at this point, the object in hopper
Material is automatically into feeding warehouse (51);
Second step is promoted: piston rod (10) band piston (30) moves upwards, and the space of middle roll-over (52) is widened while it
Interior air pressure is lower, at this point, the first ball sealer (23) is moved upwards because of extraneous pressure, unidirectionally filters the logical of valve body (22)
Road is opened, and material crosses roll-over (52) in unidirectional filtering valve body (22) entrance from feeding warehouse (51);
Third step, compression: piston rod (10) band piston (30) moves downward, and the space of middle roll-over (52) is compressed while it
Interior pressure becomes larger, at this point, the first ball sealer (23) moves downward because of general pressure and is close to unidirectionally filter valve body (22), it is single
It is closed to the channel of filtering valve body (22), middle roll-over (52) becomes confined space;
Piston rod (10) band piston (30) continues to move downward until running to minimum point, during being somebody's turn to do, middle roll-over (52)
Space continue compressed, in material be pressurized and enter promoted channel (32), simultaneously compressing the second ball sealer (34) on move to
At piston upper end (36), material enters hollow portion (33) afterwards by promoting channel (32), then from side path (35), gap
(39) enter and promote storehouse (53);
4th step, mention material: piston rod (10) band piston (30) moves upwards, and the space of middle roll-over (52) is widened while it
Interior pressure is lower, at this point, the second ball sealer (34) is displaced downwardly at piston (31), the second ball sealer (34) and piston
(31) it is combined together the connection blocked between hollow portion (33), middle roll-over (52);
First ball sealer (23) is moved upwards because of extraneous pressure, and the channel for unidirectionally filtering valve body (22) is opened, material
Roll-over (52) in unidirectional filtering valve body (22) entrance is crossed from feeding warehouse (51);
Piston rod (10) band piston (30) continues up, and middle roll-over (52) is promoted and leans on the second ball sealer between storehouse (53)
(34) it has interrupted and has been connected to the combination of piston (31), piston (30) walks the product pump promoted in storehouse (53).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910474099.1A CN110107494A (en) | 2019-06-02 | 2019-06-02 | A kind of plunger pump promotes chamber and its method for improving |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910474099.1A CN110107494A (en) | 2019-06-02 | 2019-06-02 | A kind of plunger pump promotes chamber and its method for improving |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110107494A true CN110107494A (en) | 2019-08-09 |
Family
ID=67493441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910474099.1A Pending CN110107494A (en) | 2019-06-02 | 2019-06-02 | A kind of plunger pump promotes chamber and its method for improving |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110107494A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747259A (en) * | 2021-01-21 | 2021-05-04 | 碎得机械(北京)有限公司 | Sealed treatment bin and dangerous waste treatment system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1037194A (en) * | 1988-02-26 | 1989-11-15 | 威廉·雷金纳德·斯托凯尔德 | Pump and method of operating the same |
CN204784290U (en) * | 2015-05-25 | 2015-11-18 | 浙江诸暨万宝机械有限公司 | Piston structure |
CN105587523A (en) * | 2016-02-15 | 2016-05-18 | 游智强 | Efficient, environmentally friendly and energy-saving pump for pumping oil |
CN207847921U (en) * | 2018-02-05 | 2018-09-11 | 上海华帆机电科技有限公司 | A kind of up-and-down reciprocating Bidirectional discharging plunger pump |
CN208552595U (en) * | 2017-07-14 | 2019-03-01 | 秦晶 | A kind of medical negative pressure drainage device |
CN210050015U (en) * | 2019-06-02 | 2020-02-11 | 河南志林矿山设备科技有限公司 | Lifting chamber of plunger pump |
WO2021208684A1 (en) * | 2020-04-13 | 2021-10-21 | 浙江晟祺实业有限公司 | Improved spray head structure |
-
2019
- 2019-06-02 CN CN201910474099.1A patent/CN110107494A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1037194A (en) * | 1988-02-26 | 1989-11-15 | 威廉·雷金纳德·斯托凯尔德 | Pump and method of operating the same |
CN204784290U (en) * | 2015-05-25 | 2015-11-18 | 浙江诸暨万宝机械有限公司 | Piston structure |
CN105587523A (en) * | 2016-02-15 | 2016-05-18 | 游智强 | Efficient, environmentally friendly and energy-saving pump for pumping oil |
CN208552595U (en) * | 2017-07-14 | 2019-03-01 | 秦晶 | A kind of medical negative pressure drainage device |
CN207847921U (en) * | 2018-02-05 | 2018-09-11 | 上海华帆机电科技有限公司 | A kind of up-and-down reciprocating Bidirectional discharging plunger pump |
CN210050015U (en) * | 2019-06-02 | 2020-02-11 | 河南志林矿山设备科技有限公司 | Lifting chamber of plunger pump |
WO2021208684A1 (en) * | 2020-04-13 | 2021-10-21 | 浙江晟祺实业有限公司 | Improved spray head structure |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112747259A (en) * | 2021-01-21 | 2021-05-04 | 碎得机械(北京)有限公司 | Sealed treatment bin and dangerous waste treatment system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204938944U (en) | The filling head of sleeve pipe resorption | |
CN105210674B (en) | Edible mushroom cultivating machine pluging device | |
CN110107494A (en) | A kind of plunger pump promotes chamber and its method for improving | |
CN205469883U (en) | Material pressing device | |
ITTO20090140A1 (en) | MACHINE FOR THE TREATMENT OF ORGANIC FRACTION OF URBAN SOLID WASTE | |
CN209123422U (en) | A kind of plate and frame filter press being separated by solid-liquid separation for oil and gas field drilling fluid waste | |
CN108105396A (en) | Adapt to the blow-off valve and the mode of action of steam explosion operation bad working environments | |
CN206988079U (en) | A kind of fluid pressure type oil well pump | |
CN106044238A (en) | Automatic vacuum material sucking device for powdery material and using method | |
JPH05305496A (en) | Press for treating heterogeneous waste product | |
CN108915638A (en) | Individual well casing gas sulphur removal is pressurized storage device | |
CN107601071A (en) | The single-piston pump and its carrying method of a kind of hydraulic-driven | |
CN210050015U (en) | Lifting chamber of plunger pump | |
CN103405952B (en) | Filter press control method and system | |
CN204043309U (en) | A kind of high pressure tubular dehydration equipment | |
CN209890231U (en) | Grease filling valve | |
CN103405953B (en) | Filter press | |
CN109025909B (en) | The application method of individual well casing gas sulphur removal pressurization storage device | |
CN107554954A (en) | A kind of push type nursing product storage bottle | |
CN103043354A (en) | Garbage compression equipment | |
CN206797809U (en) | A kind of sterile packaging machine of closed circulating charging | |
CN209481157U (en) | A kind of sauce automatic filling machine | |
CN203469573U (en) | Filter press | |
RU46032U1 (en) | DEVICE FOR CLEANING WELL BORE | |
RU44732U1 (en) | DEVICE FOR CLEANING WELL BORE |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |