CN101468261B - High-temperature and high-pressure resistant extraction pool - Google Patents
High-temperature and high-pressure resistant extraction pool Download PDFInfo
- Publication number
- CN101468261B CN101468261B CN2008101195162A CN200810119516A CN101468261B CN 101468261 B CN101468261 B CN 101468261B CN 2008101195162 A CN2008101195162 A CN 2008101195162A CN 200810119516 A CN200810119516 A CN 200810119516A CN 101468261 B CN101468261 B CN 101468261B
- Authority
- CN
- China
- Prior art keywords
- sealing
- pond body
- sealing ring
- boss
- longitudinal section
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The invention relates to a high temperature and high pressure resistant extraction tank, which comprises a pressing cap, a gasket, an extraction tank body, and a positioning sealing ring. A fluid flow passage is arranged in the extraction tank; a fluid flow passage is arranged in the positioning sealing ring, and a sealing ring lug boss is arranged on the lower end face of the sealing ring along circumference; a tank body lug boss is respectively arranged on the upper end face and the lower end face of the extraction tank along the circumference; an upper groove and a lower groove are arranged on the upper end face and the lower end face of the gasket along the circumference; the sealing ring lug boss is contacted and sealed with the upper groove; the tank body lug boss is contacted and sealed with the lower groove; the outer circumference of the gasket and the outer circumference the positioning sealing ring are provided with a fixed ring; and the upper part of the pressing cap is fixed with the positioning sealing ring, and the lower part of the pressing cap is connected with the extraction tank body. The high temperature and high pressure resistant extraction tank has simple structure and high sealing reliability.
Description
Technical field
The present invention relates to a kind of abstraction pool, relate in particular to a kind of high-temperature and high-pressure resistant extraction pool.
Background technology
The patent No. be U.S.Pat.No.5647976 U.S. Patent Publication a kind of high-temperature and high-pressure resistant extraction pool, this abstraction pool is mainly by the abstraction pool body, seal and end cap are formed, the two ends of abstraction pool body have the boss that seals mutually with seal, also has the boss that seals mutually with seal on the end cap, the defective of this structure is that boss on the abstraction pool body and the boss on the end cap and the sealing between the seal are not very reliable, in addition, owing to damage boss when loading and unloading or cleaning abstraction pool easily, boss is damaged the back just can not reach sealing effectiveness with seal, thereby cause extract to leak, abstraction pool is unavailable.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of simple in structure, high-temperature and high-pressure resistant extraction pool that sealing reliability is high.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of high-temperature and high-pressure resistant extraction pool, comprise pressure cap, sealing gasket, abstraction pool body, location sealing ring, be provided with the fluid passage in the abstraction pool body, be provided with the fluid passage in the sealing ring of location, the lower surface of described location sealing ring is provided with the sealing ring boss along circumference, the upper and lower end face of described abstraction pool body is respectively equipped with pond body boss along circumference, the upper and lower end face of described sealing gasket is respectively equipped with upper groove and low groove along circumference, described sealing ring boss contacts sealing with upper groove, described pond body boss contacts sealing with low groove; Excircle at sealing gasket and location sealing ring is provided with retainer plate; Pressure cap top fixes with the location sealing ring, and the bottom links to each other with the abstraction pool body.
High-temperature and high-pressure resistant extraction pool of the present invention, the upper and lower end face of wherein said abstraction pool body is respectively equipped with pond body guide ledges in the outside of pond body boss along circumference, be provided with the pond body gathering sill that matches with pond body guide ledges between sealing gasket bottom and retainer plate bottom, described pond body guide ledges is than pond body boss height.
High-temperature and high-pressure resistant extraction pool of the present invention, the lower surface of wherein said location sealing ring is provided with the sealing ring guide ledges in the outside of sealing ring boss along circumference, be provided with the pond body gathering sill that matches with the sealing ring guide ledges between sealing gasket top and retainer plate top, described sealing ring guide ledges is than sealing ring boss height.
High-temperature and high-pressure resistant extraction pool of the present invention, the longitudinal section of wherein said upper groove and low groove is a V-arrangement, the longitudinal section is that the upper groove of V-arrangement has on first sealing surface on the sealing surface and second, and the longitudinal section is that the low groove of V-arrangement has first lower sealing surface and second lower sealing surface; The longitudinal section of described pond body boss is a rectangle, and the longitudinal section is that the pond body boss of rectangle has the first pond body sealing surface and the second pond body sealing surface, and the first pond body sealing surface contacts sealing with first lower sealing surface, and the second pond body sealing surface contacts sealing with second lower sealing surface; The longitudinal section of described sealing ring boss is a rectangle, the longitudinal section is that the sealing ring boss of rectangle has the first seal ring seal face and the second seal ring seal face, the first seal ring seal face contacts sealing with sealing surface on first, and the second seal ring seal face contacts sealing with sealing surface on second.
High-temperature and high-pressure resistant extraction pool of the present invention, the longitudinal section of wherein said upper groove and low groove is an isosceles trapezoid, the longitudinal section is that the upper groove of isosceles trapezoid has on the 3rd sealing surface on the sealing surface and the 4th, and the longitudinal section is that the low groove of isosceles trapezoid has the 3rd lower sealing surface and the 4th lower sealing surface; The longitudinal section of described pond body boss is a rectangle, and the longitudinal section is that the pond body boss of rectangle has the first pond body sealing surface and the second pond body sealing surface, and the first pond body sealing surface contacts sealing with the 3rd lower sealing surface, and the second pond body sealing surface contacts sealing with the 4th lower sealing surface; The longitudinal section of described sealing ring boss is a rectangle, the longitudinal section is that the sealing ring boss of rectangle has the first seal ring seal face and the second seal ring seal face, the first seal ring seal face contacts sealing with sealing surface on the 3rd, and the second seal ring seal face contacts sealing with sealing surface on the 4th.
High-temperature and high-pressure resistant extraction pool of the present invention, the longitudinal section of wherein said upper groove and low groove is made as V-arrangement, and the V-arrangement sharp corner is made as rectangle.
High-temperature and high-pressure resistant extraction pool of the present invention, the longitudinal section of wherein said pond body boss is made as rectangle, and the upper left corner and the upper right corner of rectangle are made as fillet; The longitudinal section of described sealing ring boss is made as rectangle, and the lower left corner and the lower right corner of rectangle are made as fillet.
High-temperature and high-pressure resistant extraction pool of the present invention, wherein said location sealing ring is provided with 0 RunddichtringO.
High-temperature and high-pressure resistant extraction pool of the present invention, wherein said location sealing ring is provided with hold-down nut, and hold-down nut links to each other by screw thread with retainer plate top.
High-temperature and high-pressure resistant extraction pool of the present invention, the bottom of the fluid passage on the sealing ring of wherein said location is provided with filter, and filter is positioned at the top of sealing gasket.
High-temperature and high-pressure resistant extraction pool of the present invention is simple in structure, upper and lower end face at sealing gasket is respectively equipped with upper groove and low groove along circumference, the lower surface of location sealing ring is provided with the sealing ring boss along circumference, the upper and lower end face of abstraction pool body is respectively equipped with pond body boss along circumference, the sealing ring boss contacts sealing with upper groove, pond body boss contacts sealing, sealing reliability height with low groove.
Description of drawings
Fig. 1 is the structural representation of high-temperature and high-pressure resistant extraction pool of the present invention;
Fig. 2 is an A place enlarged drawing among Fig. 1;
Fig. 3 is the structural representation of seal retainer ring;
Fig. 4 is the structural representation of abstraction pool body;
Fig. 5 is the structural representation of first kind of embodiment of sealing gasket;
Fig. 6 is a B place enlarged drawing among Fig. 4;
Fig. 7 is the structural representation that sealing gasket and the abstraction pool body of first kind of embodiment is connected with the location sealing ring;
Fig. 8 is the structural representation of second kind of embodiment of sealing gasket;
Fig. 9 is the structural representation of the third embodiment of sealing gasket.
The specific embodiment
As depicted in figs. 1 and 2, a kind of high-temperature and high-pressure resistant extraction pool, comprise pressure cap 1, sealing gasket 2, abstraction pool body 3 and location sealing ring 4, be provided with fluid passage 31 in the abstraction pool body 3, be provided with fluid passage 41 in the sealing ring 4 of location, the lower surface of location sealing ring 4 is provided with sealing ring boss 5 along circumference, the upper and lower end face of abstraction pool body 3 is respectively equipped with pond body boss 6 along circumference, the upper and lower end face of sealing gasket 2 is respectively equipped with upper groove 7 and low groove 8 along circumference, sealing ring boss 5 contacts sealing with upper groove 7, and pond body boss 6 contacts sealing with low groove 8.Excircle at sealing gasket 2 and location sealing ring 4 is provided with retainer plate 9.The location sealing ring is provided with hold-down nut 26, and hold-down nut 26 links to each other by screw thread with retainer plate 9 tops.Pressure cap 1 top fixes by bolt with location sealing ring 4, and bottom and abstraction pool body 3 link to each other by screw thread.Location sealing ring 4 is provided with O RunddichtringO 29, is used for the sealing when being connected with fluid line 28.The bottom of the fluid passage 41 in the location sealing ring 4 is provided with filter 27, and filter 27 is positioned at the top of sealing gasket 2, and 2 pairs of filters 27 of sealing gasket are played a supporting role.
As shown in Figure 3, the longitudinal section of sealing ring boss 5 of the present invention can be designed to rectangle, and the longitudinal section is that the sealing ring boss 5 of rectangle has the first seal ring seal face 20 and the second seal ring seal face 21.Also the longitudinal section of sealing ring boss 5 can be designed to rectangle, and the lower left corner and the lower right corner of rectangle is made as fillet.The sealing ring boss 5 of this form is the sealing reliability height not only, and processing easily.
As Fig. 4 and shown in Figure 6, the longitudinal section of pond of the present invention body boss 6 can be designed to rectangle, and the longitudinal section is that the pond body boss 6 of rectangle has the first pond body sealing surface 18 and the second pond body sealing surface 19.Also the longitudinal section of pond body boss 6 can be designed to rectangle, and the upper left corner and the upper right corner of rectangle is made as fillet.The pond body boss 6 of this form is the sealing reliability height not only, and processing easily.
As shown in Figure 5, in first kind of embodiment of sealing gasket 2, the longitudinal section of upper groove 7 and low groove 8 is designed to V-arrangement, the longitudinal section is that the upper groove 71 of V-arrangement has on first sealing surface 15 on the sealing surface 14 and second, and the longitudinal section is that the low groove 81 of V-arrangement has first lower sealing surface 16 and second lower sealing surface 17.As shown in Figure 7, the first pond body sealing surface 18 contacts sealing with first lower sealing surface 16, and the second pond body sealing surface 19 contacts sealing with second lower sealing surface 17, form two sealing lines, good airproof performance when the first pond body sealing surface 18 or the second pond body sealing surface 19 have damage, still can reach sealing effectiveness.Sealing surface 14 contacts sealing on the first seal ring seal face 20 and first, sealing surface 15 contacts sealing on the second seal ring seal face 21 and second, forms two sealing lines, good airproof performance, when the first seal ring seal face 20 or the second seal ring seal face 21 have damage, still can reach sealing effectiveness.
As shown in Figure 8, in second kind of embodiment of sealing gasket 2, the longitudinal section of upper groove 7 and low groove 8 is an isosceles trapezoid, the longitudinal section is that the upper groove 72 of isosceles trapezoid has on the 3rd sealing surface 23 on the sealing surface 22 and the 4th, and the longitudinal section is that the low groove 82 of isosceles trapezoid has the 3rd lower sealing surface 24 and the 4th lower sealing surface 25.As shown in Figure 2, the first pond body sealing surface 18 contacts sealing with the 3rd lower sealing surface 24, and the second pond body sealing surface 19 contacts sealing with the 4th lower sealing surface 25, forms two sealing lines, good airproof performance.Sealing surface 22 contacts sealing on the first seal ring seal face 20 and the 3rd, and sealing surface 23 contacts sealing on the second seal ring seal face 21 and the 4th, forms two sealing lines, good airproof performance.
As shown in Figure 9, in the third embodiment of sealing gasket 2, the longitudinal section of upper groove 7 and low groove 8 is designed to V-arrangement, and the V-arrangement sharp corner is made as rectangle.
As shown in Figure 4, the upper and lower end face of abstraction pool body 3 is respectively equipped with pond body guide ledges 10 in the outside of pond body boss 6 along circumference, between sealing gasket 2 bottoms and retainer plate 9 bottoms, be provided with pond body gathering sill 11 (see figure 2)s that match with pond body guide ledges 10, and pond body guide ledges 10 is designed to be higher than pond body boss 6.When abstraction pool body 3 and other assemblies are installed together, pond body guide ledges 10 is aimed at pond body gathering sill 11 installs, can exactly pond body boss 6 be pressed in the low groove 8, make pond body boss 6 contact sealing with low groove 8, owing to look for inaccurate installation site pond body boss 6 is caused damage when having avoided installation, also make loading and unloading convenient simultaneously.In addition, 10 pairs of ponds of body guide ledges, the pond body boss 6 that is higher than pond body boss 6 plays a protective role, and collides mutually when having avoided loading and unloading or having cleaned abstraction pool and damages pond body boss 6, has prolonged the service life of abstraction pool.As shown in Figure 3, the lower surface of location sealing ring 4 is provided with sealing ring guide ledges 12 in the outside of sealing ring boss 5 along circumference, between sealing gasket 2 tops and retainer plate 9 tops, be provided with sealing ring gathering sill 13 (see figure 2)s that match with sealing ring guide ledges 12, and sealing ring guide ledges 12 is designed to be higher than sealing ring boss 5.When locating sealing ring 4 when being installed together with sealing gasket 2, sealing ring guide ledges 12 is aimed at sealing ring gathering sill 13 installs, can exactly sealing ring boss 5 be pressed in the upper groove 7, make sealing ring boss 5 contact sealing with upper groove 7, owing to look for inaccurate installation site sealing ring boss 5 is caused damage when having avoided installation, also make loading and unloading convenient simultaneously.In addition, the 12 pairs of sealing ring boss 5 of sealing ring guide ledges that are higher than sealing ring boss 5 play a protective role, and collide mutually when avoiding loading and unloading or cleaning abstraction pool and damage sealing ring boss 5, have prolonged the service life of abstraction pool.
The installation process of high-temperature and high-pressure resistant extraction pool of the present invention is as follows: the bottom that earlier filter 27 is placed on the fluid passage 41 on the sealing ring 4 of location, to locate sealing ring 4 then is fitted together with sealing gasket 2, again hold-down nut 26 is fixed on the sealing ring 4 of location, retainer plate 9 is fixing by screw thread and hold-down nut 26, then that pressure cap 1 top is fixing with location sealing ring 4 by bolt, at last with abstraction pool body 3 two ends respectively with the pressure cap 1 at two ends by being threaded, and will locate sealing ring 4, sealing gasket 2, abstraction pool body 3 and be pressed into one.Mounted abstraction pool sealing reliability is good, can bear HTHP.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. high-temperature and high-pressure resistant extraction pool, comprise pressure cap (1), sealing gasket (2), abstraction pool body (3), location sealing ring (4), be provided with fluid passage (31) in the abstraction pool body (3), be provided with fluid passage (41) in the location sealing ring (4), the lower surface of described location sealing ring (4) is provided with sealing ring boss (5) along circumference, on the described abstraction pool body (3), the lower surface is respectively equipped with pond body boss (6) along circumference, pressure cap (1) top fixes with location sealing ring (4), the bottom links to each other with abstraction pool body (3), it is characterized in that: on the described sealing gasket (2), the lower surface is respectively equipped with upper groove (7) and low groove (8) along circumference, described sealing ring boss (5) contacts sealing with upper groove (7), and described pond body boss (6) contacts sealing with low groove (8); Excircle at sealing gasket (2) and location sealing ring (4) is provided with retainer plate (9).
2. high-temperature and high-pressure resistant extraction pool according to claim 1, it is characterized in that: the upper and lower end face of described abstraction pool body (3) is respectively equipped with pond body guide ledges (10) in the outside of pond body boss (6) along circumference, is provided with the pond body gathering sill (11) that matches with pond body guide ledges (10) between sealing gasket (2) bottom and retainer plate (9) bottom; Described pond body guide ledges (10) is than pond body boss (6) height.
3. high-temperature and high-pressure resistant extraction pool according to claim 2, it is characterized in that: the lower surface of described location sealing ring (4) is provided with sealing ring guide ledges (12) in the outside of sealing ring boss (5) along circumference, is provided with the sealing ring gathering sill (13) that matches with sealing ring guide ledges (12) between sealing gasket (2) top and retainer plate (9) top; Described sealing ring guide ledges (12) is than sealing ring boss (5) height.
4. high-temperature and high-pressure resistant extraction pool according to claim 3, it is characterized in that: the longitudinal section of described upper groove (7) and low groove (8) is a V-arrangement, the longitudinal section is that the upper groove (71) of V-arrangement has sealing surface (15) on sealing surface on first (14) and second, and the longitudinal section is that the low groove (81) of V-arrangement has first lower sealing surface (16) and second lower sealing surface (17); The longitudinal section of described pond body boss (6) is a rectangle, the longitudinal section is that the pond body boss (6) of rectangle has the first pond body sealing surface (18) and the second pond body sealing surface (19), the first pond body sealing surface (18) contacts sealing with first lower sealing surface (16), and the second pond body sealing surface (19) contacts sealing with second lower sealing surface (17); The longitudinal section of described sealing ring boss (5) is a rectangle, the longitudinal section is that the sealing ring boss (5) of rectangle has the first seal ring seal face (20) and the second seal ring seal face (21), sealing surface (14) contacts sealing on the first seal ring seal face (20) and first, and sealing surface (15) contacts sealing on the second seal ring seal face (21) and second.
5. high-temperature and high-pressure resistant extraction pool according to claim 3, it is characterized in that: the longitudinal section of described upper groove (7) and low groove (8) is an isosceles trapezoid, the longitudinal section is that the upper groove (72) of isosceles trapezoid has sealing surface (23) on sealing surface on the 3rd (22) and the 4th, and the longitudinal section is that the low groove (82) of isosceles trapezoid has the 3rd lower sealing surface (24) and the 4th lower sealing surface (25); The longitudinal section of described pond body boss (6) is a rectangle, the longitudinal section is that the pond body boss (6) of rectangle has the first pond body sealing surface (18) and the second pond body sealing surface (19), the first pond body sealing surface (18) contacts sealing with the 3rd lower sealing surface (24), and the second pond body sealing surface (19) contacts sealing with the 4th lower sealing surface (25); The longitudinal section of described sealing ring boss (5) is a rectangle, the longitudinal section is that the sealing ring boss (5) of rectangle has the first seal ring seal face (20) and the second seal ring seal face (21), sealing surface (22) contacts sealing on the first seal ring seal face (20) and the 3rd, and sealing surface (23) contacts sealing on the second seal ring seal face (21) and the 4th.
6. high-temperature and high-pressure resistant extraction pool according to claim 3 is characterized in that: the longitudinal section of described upper groove (7) and low groove (8) is made as V-arrangement, and the V-arrangement sharp corner is made as rectangle.
7. according to claim 3 or 6 described high-temperature and high-pressure resistant extraction pools, it is characterized in that: the longitudinal section of described pond body boss (6) is made as rectangle, and the upper left corner and the upper right corner of rectangle are made as fillet; The longitudinal section of described sealing ring boss (5) is made as rectangle, and the lower left corner and the lower right corner of rectangle are made as fillet.
8. according to claim 4 or 5 described high-temperature and high-pressure resistant extraction pools, it is characterized in that: described location sealing ring (4) is provided with O RunddichtringO (29).
9. high-temperature and high-pressure resistant extraction pool according to claim 8 is characterized in that: described location sealing ring (4) is provided with hold-down nut (26), and hold-down nut (26) links to each other by screw thread with retainer plate (9) top.
10. high-temperature and high-pressure resistant extraction pool according to claim 9 is characterized in that: the bottom of the fluid passage (41) on the described location sealing ring (4) is provided with filter (27), and filter (27) is positioned at the top of sealing gasket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101195162A CN101468261B (en) | 2008-09-02 | 2008-09-02 | High-temperature and high-pressure resistant extraction pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101195162A CN101468261B (en) | 2008-09-02 | 2008-09-02 | High-temperature and high-pressure resistant extraction pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101468261A CN101468261A (en) | 2009-07-01 |
| CN101468261B true CN101468261B (en) | 2010-12-08 |
Family
ID=40826217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101195162A Expired - Fee Related CN101468261B (en) | 2008-09-02 | 2008-09-02 | High-temperature and high-pressure resistant extraction pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101468261B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662144A (en) * | 2018-07-03 | 2018-10-16 | 西安昊佳林环保有限公司 | A kind of novel colored metal extraction seal assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5647976A (en) * | 1995-03-03 | 1997-07-15 | Dionex Corporation | High pressure and temperature cell for solvent extraction |
| CN2408938Y (en) * | 2000-02-18 | 2000-12-06 | 陈葆华 | Supercritical CO2 extracting pot |
| CN2441536Y (en) * | 2000-06-09 | 2001-08-08 | 黑龙江中植东林生态科技股份有限公司 | Over critical extractor |
| CN101007219A (en) * | 2006-01-25 | 2007-08-01 | 中国科学院大连化学物理研究所 | High temperature-resistant and high pressure-resistant pool for solvent extraction |
-
2008
- 2008-09-02 CN CN2008101195162A patent/CN101468261B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5647976A (en) * | 1995-03-03 | 1997-07-15 | Dionex Corporation | High pressure and temperature cell for solvent extraction |
| CN2408938Y (en) * | 2000-02-18 | 2000-12-06 | 陈葆华 | Supercritical CO2 extracting pot |
| CN2441536Y (en) * | 2000-06-09 | 2001-08-08 | 黑龙江中植东林生态科技股份有限公司 | Over critical extractor |
| CN101007219A (en) * | 2006-01-25 | 2007-08-01 | 中国科学院大连化学物理研究所 | High temperature-resistant and high pressure-resistant pool for solvent extraction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101468261A (en) | 2009-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101468261B (en) | High-temperature and high-pressure resistant extraction pool | |
| CN205048053U (en) | There is not fracturing pump suction manifold that leaks easy clearance and take cushioning effect | |
| CN211315423U (en) | Connecting mechanism of pipeline for environmental protection | |
| CN205842067U (en) | A kind of steering joint with filter screen | |
| CN207064705U (en) | A kind of HTHP fixing ball valve | |
| CN209164826U (en) | A kind of pipeline coupling flange | |
| CN211853508U (en) | Air storage tank of air compressor | |
| CN205605264U (en) | High power diesel engine lubricating oil filter equipment | |
| CN208406325U (en) | A kind of sewage processing filtering device | |
| CN208878809U (en) | A kind of electric field purification device with automatic cleaning anode plate function | |
| CN109667640B (en) | Engine oil strainer | |
| CN208457327U (en) | A kind of valve base sealing structure with annular groove | |
| CN202431485U (en) | Pipeline system for online oil injection of compressor | |
| CN108644430B (en) | A kind of improved LW10B-252 type breaker | |
| CN204855108U (en) | Gas cylinder cylinder valve testing machine | |
| CN205639049U (en) | Prevent leaking vertical pump | |
| CN107559578A (en) | A kind of automatic vacuum drainage arrangement | |
| CN109654239A (en) | A kind of fine motion wellhead sluice valve | |
| CN106885080B (en) | Pipeline for circulating liquid | |
| CN102493975A (en) | Oil absorption switching device and hydraulic oil tank with same | |
| CN221287091U (en) | Cooling water filtering device | |
| CN204826179U (en) | Sewage hoisting device | |
| CN211912975U (en) | Marine seawater filter | |
| CN212262595U (en) | Monomer filter convenient to overhaul | |
| CN201394395Y (en) | Pressure relief type hydraulic air filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |