CN2651545Y - Electrically controlled skid pipe valves - Google Patents
Electrically controlled skid pipe valves Download PDFInfo
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- CN2651545Y CN2651545Y CN 03279351 CN03279351U CN2651545Y CN 2651545 Y CN2651545 Y CN 2651545Y CN 03279351 CN03279351 CN 03279351 CN 03279351 U CN03279351 U CN 03279351U CN 2651545 Y CN2651545 Y CN 2651545Y
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Abstract
The utility model relates to a novel sequencing valve in the PSA (Pressure Swing Adsorption) two-tower process flow, which achieves the purpose of that a set of PSA two-tower process flow device only needs an integrated sequencing valve. According to the design scheme provided in the utility model, a sliding pipe valve is formed through the order connection of a side atmospheric valve body, an A-tower inlet valve body, a material inlet valve body, a B-tower inlet valve body, a middle atmospheric valve body, a A-tower outlet valve body, a product outlet valve body and a B-tower outlet valve body; the hollow chambers of these valve bodies are respectively provided with a product sliding pipe and a material sliding pipe, an axial channel is arranged in the product sliding pipe and the material sliding pipe, and each valve body is respectively provided with the corresponding inlet and outlet. The sliding pipe valve dispenses with the special control gas source, has the reasonable structure and the long service life, and can be used in various large and medium sized PSA devices.
Description
Technical field
The utility model relates to the PSA transformation and adsorbs a kind of novel program controlled valve in the two tower process flow processs.
Background technique
In the prior art, the PSA transformation is adsorbed in the two tower process flow processs will adopt 6～8 sequencing valves, general usefulness stop valve, gate valve, ball valve, butterfly valve, pipeline valve etc. are arranged.They have only a passage, can only make the spool open and close do single pass switching, thereby control valve in the technological process and pipe arrangement is many, increasing of program-controlled valve brought the complicated of control system, this has not only increased the cost of device, the more important thing is and has reduced the device reliability of operation.
Existing P SA transformation is adsorbed the sequencing valve that has been extensive use of pneumatic control in the two tower process flow processs, it is by valve body, pneumatic actuator and control system three are partly formed, wherein control system is again by programming controller, electric conversion, pneumatic power amplifier, signal source of the gas and pilot line are formed, remove to handle pneumatic actuator by control system again and drive the spool switching, the structure more complicated, although adsorbing in the two tower process flow processs in the PSA transformation, the sequencing valve of this structure passed through long-term application and perfect, but because the intrinsic deficiency of basic structure is still kept away unavoidable above-mentioned disadvantage.
Summary of the invention
The purpose of this utility model is to design a kind of automatically controlled slip pipe valve, and this slip pipe valve need not special-purpose control source of the gas, and it is rational in infrastructure, and long service life can be used for various big-and-middle-sized PSA pressure-swing absorption apparatuss.
Sequencing valve is that the PSA transformation is adsorbed a critical component in the two tower process flow processs, people are seeking a kind of better sequencing valve always, the present utility model people has passed through and has studied intensively and explore, find a kind of sequencing valve and pipe arrangement that can reduce in the technological process, can simplify the sequencing valve of flow process and control system again.
According to design proposal provided by the utility model, the slip pipe valve is connected in sequence by limit emptying valve body, A tower import valve body, material inlet valve body, B tower import valve body, middle emptying valve body, A tower outlet valve body, products export valve body, B tower outlet valve body, the product slip pipe and the raw material slip pipe that can slide are arranged in the cavity of these valve bodies, in product slip pipe and raw material slip pipe, axial passage is arranged, corresponding import and export are set respectively on each valve body.
Be drilled with 5 rows port hole radially on the raw material slip pipe, and two row's port holes in the middle of being positioned at are not communicated with the port hole that is positioned at two ends.The passage of control virgin gas turnover is made up of the passage on raw material slip pipe, limit emptying valve body, A tower import valve body, material inlet valve body, B tower import valve body and the middle emptying valve body.
Be drilled with two rows port hole radially on the product slip pipe, shut with blind plate at the two ends of product slip pipe.The passage of control product gas turnover is made up of the passage on product slip pipe, A tower outlet valve body, products export valve body and the B tower outlet valve body.The integral installation of slip pipe valve is communicated with pressure-swing absorber by pipeline board on the pipeline board that has eight passages.
In the left side of limit emptying valve body and the right side of B tower outlet valve body big cylinder and the piston cylinder that is positioned at big cylinder are installed respectively, left end at the raw material slip pipe is connected feed end demonstration push rod and product end demonstration push rod respectively with the right-hand member of product slip pipe, and feed end shows that push rod and product end show that push rod is connected with the small piston that is positioned at piston cylinder respectively.
Between the connecting part of each valve body and slip pipe, sealing seat is set respectively, seal ring and O-ring seals are set respectively on each sealing seat.
This device can replace all sequencing valves on the PSA two tower process flow processs, has realized that one overlaps the purpose that PSA two tower process flow processs are only used 1 integrated form sequencing valve.In addition, this slip pipe valve need not special-purpose control source of the gas, and it is rational in infrastructure, and long service life can be used for various big-and-middle-sized PSA pressure-swing absorption apparatuss.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Fig. 2,3,4,5 is respectively 4 kinds of working state schematic representations.
Embodiment
As shown in Figure 1: 1, feed end shows push rod, 2, seal ring, 3 cylinder head, 4, cylinder packing, 5, big cylinder, 6, big cylinder liner, 7, air cylinder base, 8, limit emptying valve body, 9, A tower import valve body, 10, the material inlet valve body, 11, B tower import valve body, 12, middle emptying valve body, 13, A tower outlet valve body, 14, the products export valve body, 15, B tower outlet valve body, 16, piston cylinder, 17, small piston, 18, the product end shows push rod, 19,20,25 is the UHS seal ring, 21, O-ring seals, 22, product slip pipe baffle plate, 23,24 is O-ring seals, 26, the product slip pipe, 27, the raw material slip pipe, 28, the slip pipe sealing seat, 29, base plate, 30, raw material slip pipe dividing plate, 31, seal cartridge, 32, the push rod seal seat, 33, the display pole sealing seat.
The slip pipe valve is connected in sequence by limit emptying valve body 8, A tower import valve body 9, material inlet valve body 10, B tower import valve body 11, middle emptying valve body 12, A tower outlet valve body 13, products export valve body 14, B tower outlet valve body 15, the product slip pipe 26 and raw material slip pipe 27 that can slide are arranged in the cavity of these valve bodies, in product slip pipe 26 and raw material slip pipe 27, axial passage is arranged, corresponding import and export are set respectively on each valve body.
Be drilled with 5 rows port hole 35 radially on the raw material slip pipe 27, and two row's port holes 35 in the middle of being positioned at are not communicated with the port hole 35 that is positioned at two ends.The passage of control virgin gas turnover is made up of the passage on raw material slip pipe 27, limit emptying valve body 8, A tower import valve body 9, material inlet valve body 10, B tower import valve body 11 and the middle emptying valve body 12.
Be drilled with two rows port hole 36 radially on the product slip pipe 26, shut with blind plate at the two ends of product slip pipe 26.The passage of control product gas turnover is made up of the passage on product slip pipe 26, A tower outlet valve body 13, products export valve body 14 and the B tower outlet valve body 15.
The integral installation of slip pipe valve is communicated with pressure-swing absorber by pipeline board on the pipeline board that has eight passages.In the left side of limit emptying valve body 8 and the right side of B tower outlet valve body 15 big cylinder 5 and the piston cylinder 16 that is positioned at big cylinder 5 are installed respectively, left end at raw material slip pipe 27 is connected feed end demonstration push rod 1 and product end demonstration push rod 18 respectively with the right-hand member of product slip pipe 26, and feed end shows that push rod 1 and product end show that push rod 18 is connected with the small piston 17 that is positioned at piston cylinder 16 respectively.
Between the connecting part of each valve body and slip pipe, sealing seat 28 is set respectively, seal ring 25 and O-ring seals 24 are set respectively on each sealing seat 28.
Being used for the PSA transformation adsorbs in three eight of the PSA energising control slip pipe valve of two tower process flow processs and has two groups of slip pipe passages, the turnover of one group of control virgin gas, the turnover of one group of control product gas, the glide direction of product slip pipe 26 and raw material slip pipe 27 and mobile position are synchronous, guarantee that the turnover flow direction of virgin gas and the turnover of product gas flow to consistent.
The same moved further of product slip pipe 26 and raw material slip pipe 27 is finished by a pair of reciprocating type three actuators, reciprocating type three actuators are controlled by two two-position five-way pilot solenoid valves, two two-position five-way pilot solenoid valves are controlled by a, b two electrical signal of programming controller output respectively, and a, b two control signals can be formed following 4 kinds of states (that is: ab, ab, ab, ab).
Now provide our comparatively familiar PSA transformation and adsorb two tower process flow processs (PSA carbon molecular sieve nitrogen generator).How three eight energising controls of the utility model PSA slip pipe valve is carried out work in PSA carbon molecular sieve nitrogen generator be described below: see accompanying drawing 2, see accompanying drawing 3, see accompanying drawing 4, see accompanying drawing 5.
When state of a control was in ab, the output gas signal of two-position five-way pilot solenoid valve was connected on normally open.So when controller output ab electrical signal, product slip pipe 26 and raw material slip pipe 27 move to the right simultaneously, this moment, virgin gas was through material inlet valve body 10, enter B tower import valve body 11 by the netted shape port hole 35 on the raw material slip pipe 27, enter the B adsorption tower again and carry out adsorptive process, the product gas N2 that is not adsorbed advances three eight energising controls of PSA slip pipe valve by the netted shape port hole on the product slip pipe 26 and goes into products export valve body 14 through B tower outlet valve body 15, uses for the user after entering the product storage tank.Simultaneously the stripping gas of A adsorption tower is through A tower import valve body 9, enters limit emptying valve body 8 by the netted shape port hole on the raw material slip pipe 27 and enters atmosphere through silene system.See accompanying drawing 2.
When controller output ab electrical signal, the two-position five-way pilot solenoid valve does not all have electrical signal.On the contrary, all there is the gas signal in reciprocating type three actuators, and product slip pipe 26 and raw material slip pipe 27 are mediated, and this moment, virgin gas advanced not go, and product gas also goes out not go.In PSA carbon molecular sieve nitrogen generator technology, this state is a pressure balance.The B adsorption tower carries out pressure balance to the A adsorption tower.See accompanying drawing 3.
When controller output ab electrical signal, product slip pipe 26 and raw material slip pipe 27 move to the left side simultaneously, this moment, virgin gas was through material inlet valve body 10, enter A tower import valve body 9 by the netted shape port hole on the raw material slip pipe 27, enter the A adsorption tower again and carry out adsorptive process, the product gas N2 that is not adsorbed enters products export valve body 14 through A tower outlet valve body 13 by the netted shape port hole on the product slip pipe 26, uses for the user after entering the product storage tank.Simultaneously the stripping gas of B adsorption tower is through B tower import valve body 11, and emptying valve body 12 enters atmosphere through silene system in the middle of entering by the netted shape port hole on the raw material slip pipe 27.See accompanying drawing 4.When controller output ab electrical signal, the two-position five-way pilot solenoid valve does not all have electrical signal again.On the contrary, all there is the gas signal in reciprocating type three actuators, and product slip pipe 26 and raw material slip pipe 27 are mediated, and this moment, virgin gas advanced not go, and product gas also goes out not go.The A adsorption tower carries out pressure balance to the B adsorption tower.See accompanying drawing 5.
The utility model has reduced the PSA transformation greatly and has adsorbed program-controlled valve in the two tower process flow processs, has simplified programmed control system, only needs output two electrical signal a, b just can control whole PSA pressure-swing absorption process.Accomplished that a cover PSA pressure-swing absorption apparatus only uses an integrated form sequencing valve, reduced installation cost, improved operational reliability.
Claims (8)
1. automatically controlled slip pipe valve, it is characterized in that: the slip pipe valve is connected in sequence by limit emptying valve body (8), A tower import valve body (9), material inlet valve body (10), B tower import valve body (11), middle emptying valve body (12), A tower outlet valve body (13), products export valve body (14), B tower outlet valve body (15), the product slip pipe (26) and raw material slip pipe (27) that can slide are arranged in the cavity of these valve bodies, in product slip pipe (26) and raw material slip pipe (27), axial passage is arranged, corresponding import and export are set respectively on each valve body.
2. automatically controlled slip pipe valve according to claim 1 is characterized in that: be drilled with 5 rows port hole (35) radially on the raw material slip pipe (27), and two row's port holes (35) in the middle of being positioned at are not communicated with the port hole that is positioned at two ends (35).
3. automatically controlled slip pipe valve according to claim 1 is characterized in that: the passage of control virgin gas turnover is made up of the passage on raw material slip pipe (27), limit emptying valve body (8), A tower import valve body (9), material inlet valve body (10), B tower import valve body (11) and the middle emptying valve body (12).
4. automatically controlled slip pipe valve according to claim 1 is characterized in that: be drilled with two rows port hole (36) radially on the product slip pipe (26), shut with blind plate at the two ends of product slip pipe (26).
5. automatically controlled slip pipe valve according to claim 1 is characterized in that: the passage of control product gas turnover is made up of the passage on product slip pipe (26), A tower outlet valve body (13), products export valve body (14) and the B tower outlet valve body (15).
6. automatically controlled slip pipe valve according to claim 1 is characterized in that: the integral installation of slip pipe valve is communicated with pressure-swing absorber by pipeline board on the pipeline board that has eight passages.
7. automatically controlled slip pipe valve according to claim 1, it is characterized in that: big cylinder (5) and the piston cylinder (16) that is positioned at big cylinder (5) are installed respectively in the left side of limit emptying valve body (8) and the right side of B tower outlet valve body (15), left end at raw material slip pipe (27) is connected feed end demonstration push rod (1) and product end demonstration push rod (18) respectively with the right-hand member of product slip pipe (26), and feed end shows that push rod (1) and product end show that push rod (18) is connected with the small piston that is positioned at piston cylinder (16) (17) respectively.
8. automatically controlled slip pipe valve according to claim 1 is characterized in that: between the connecting part of each valve body and slip pipe sealing seat (28) is set respectively, seal ring (25) and O-ring seals (24) are set respectively on each sealing seat (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279351 CN2651545Y (en) | 2003-09-16 | 2003-09-16 | Electrically controlled skid pipe valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03279351 CN2651545Y (en) | 2003-09-16 | 2003-09-16 | Electrically controlled skid pipe valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651545Y true CN2651545Y (en) | 2004-10-27 |
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ID=34332279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03279351 Expired - Fee Related CN2651545Y (en) | 2003-09-16 | 2003-09-16 | Electrically controlled skid pipe valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651545Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589254B (en) * | 2007-01-31 | 2011-12-14 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Slide valve |
-
2003
- 2003-09-16 CN CN 03279351 patent/CN2651545Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101589254B (en) * | 2007-01-31 | 2011-12-14 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Slide valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |