CN203781845U - Oxygen recycling device of nitrogen making machine for producing chinlon-6 chips - Google Patents
Oxygen recycling device of nitrogen making machine for producing chinlon-6 chips Download PDFInfo
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- CN203781845U CN203781845U CN201420105026.8U CN201420105026U CN203781845U CN 203781845 U CN203781845 U CN 203781845U CN 201420105026 U CN201420105026 U CN 201420105026U CN 203781845 U CN203781845 U CN 203781845U
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- tank
- pipe
- chinlon
- nitrogen plant
- booster
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- Y02E20/344—
Abstract
The utility model discloses an oxygen recycling device of a nitrogen making machine for producing chinlon-6 chips. The oxygen recycling device comprises a nitrogen making machine and a boiler, wherein an exhaust port of the nitrogen making machine is connected with an oxygen storage tank by virtue of an intake pipe; a three-way valve is arranged on the intake pipe; an exhaust pipe is also connected to the three-way valve. The oxygen recycling device is characterized n that a one-way valve is arranged at the position of the intake pipe behind the three-way valve, and connected with a by-pass pipe in parallel; a second one-way valve and a supercharge transporter are sequentially arranged on the by-pass pipe; the oxygen storage tank is connected with a first fan by virtue of an escape pipe; a valve is arranged on the escape pipe; the first fan is connected with a buffer tank by virtue of an air tube; the buffer tank is connected with an air inlet of the boiler by virtue of a blow pipe; a second fan is arranged on the blow pipe. A high-oxygen exhaust gas discharged from the nitrogen making machine can be supercharged by virtue of the supercharge transporter, so that the oxygen storage tank has high pressure, and the pressure can act together with the first fan, so as to effectively transport the high-oxygen exhaust gas.
Description
Technical field
The utility model relates to a kind of Nitrogen plant, especially a kind of Nitrogen plant oxygen recovery use device of chinlon 6 section production use.
Background technology
In the production process of chinlon 6 section, need often to use nitrogen, as needed to be full of nitrogen and carrying out standby pressure for depositing the basin of caprolactam raw material, in caprolactam discharge process, need to adopt nitrogen to carry out positive delivery, in polyamide fibre 6 finished product section packing process, also need in packing bag, to be filled with in advance nitrogen etc., therefore, Nitrogen plant is the visual plant that chinlon 6 section is produced, indispensable.
The nitrogen source processed of Nitrogen plant is normal atmospheric, in atmosphere, oxygenous 21%, containing nitrogen 78%, nitrogen process processed is that nitrogen separation is gone out, and the venting port by residual gas by Nitrogen plant directly discharges, and includes the oxygen of higher concentration in the gas of these discharges, for hyperoxia waste gas, directly discharge is a kind of waste.
The disclosed equipment of Chinese patent ZL2009201113158, ZL2011203861358 is all that Nitrogen plant expellant gas is collected and is delivered in boiler, in order to improve the efficiency of boiler.Due to Nitrogen plant and boiler generally all far apart, larger in pipeline upward pressure loss, adopt simply blower fan to carry the transport efficiency that is difficult to guarantee hyperoxia waste gas, affect the efficiency of Nitrogen plant oxygen recovery utilization.
Summary of the invention
The purpose of this utility model is a kind of Nitrogen plant oxygen recovery use device of guaranteeing the chinlon 6 section production use of hyperoxia waste gas transport efficiency designing in order to solve the deficiency of above-mentioned technology.
The Nitrogen plant oxygen recovery use device of the chinlon 6 section production use that the utility model is designed, comprise Nitrogen plant and boiler, the venting port of Nitrogen plant is connected with an oxygen storage tank by inlet pipe, in described inlet pipe, be provided with T-valve, on T-valve, be also connected with vapor pipe, it is characterized in that the position that is positioned at T-valve rear in described inlet pipe is provided with the first check valve, on described the first check valve, be parallel with bypass pipe, on described bypass pipe, be successively provided with the second check valve and booster transportation apparatus; Described oxygen storage tank connects the first blower fan by escape pipe, is provided with valve on escape pipe; Described the first blower fan is connected with surge tank by induction pipe, and described surge tank connects the inlet mouth of described boiler by blowpipe, and described blowpipe is provided with the second blower fan.
As preferably:
Described oxygen storage tank is variable volume tank;
The circular sealed piece that described variable volume tank is the folding tank of accordion by tank body, tubular body arranged inside, edge and is positioned at folding tank top forms, described tubular body arranged inside is fixedly installed on tank body top, described folding tank communicates with tank body, described folding tank and circular sealed piece are all positioned at described tubular body arranged inside, and described circular sealed piece edge is provided with the roller contacting with described tubular body arranged inside inwall;
Described circular sealed piece top is fixed with a balancing weight;
Described booster transportation apparatus is booster fan;
Described booster transportation apparatus consists of booster jar and cylinder, the inlet pipe of described booster jar and go out to be respectively equipped with the 3rd check valve and the 4th check valve on pipe, in described booster jar, be provided with dividing plate moving up and down, described dividing plate top is connected with one through the body of rod of described booster jar, described cylinder and described body of rod top are in transmission connection, and described booster jar top is also provided with ventpipe;
The Nitrogen plant oxygen recovery use device of the chinlon 6 section production use that the utility model is designed, the hyperoxia waste gas of discharging from Nitrogen plant enters oxygen storage tank by inlet pipe, along with the pressure that increases of hyperoxia exhausted air quantity in oxygen storage tank increases, the hyperoxia waste gas that Nitrogen plant is discharged is difficult to directly enter in oxygen storage tank again, now can make booster transportation apparatus work, after the hyperoxia waste gas supercharging that Nitrogen plant is discharged, be pressed in oxygen storage tank, in oxygen storage tank, just there is so higher pressure, this pressure can work with the first blower fan one, effectively hyperoxia waste gas is delivered to surge tank by induction pipe, the hyperoxia waste gas entering after surge tank can be entered in boiler and be burnt by blowpipe and the second blower fan, thereby improve the utilization ratio of hyperoxia waste gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the schematic appearance of embodiment 3 oxygen storage tanks;
Fig. 4 is the part sectioned view of embodiment 3 oxygen storage tanks;
Fig. 5 is the enlarged view at A place in Fig. 4;
Fig. 6 is the part sectioned view of embodiment 4 oxygen storage tanks;
Fig. 7 is the structural representation of embodiment 5 booster transportation apparatus;
Fig. 8 is the improvement structural representation of embodiment 5 booster transportation apparatus;
In figure: Nitrogen plant 1, boiler 2, oxygen storage tank 3, inlet pipe 4, T-valve 5, the first check valve 6, bypass pipe 7, the second check valve 8, booster transportation apparatus 9, escape pipe 10, the first blower fan 11, induction pipe 12, surge tank 13, blowpipe 14, the second blower fan 15, tank body 16, tubular body arranged inside 17, folding tank 18, circular sealed piece 19, roller 20, balancing weight 21, cylinder 22, the 3rd check valve 23, the 4th check valve 24, dividing plate 25, the body of rod 26, ventpipe 27, vapor pipe 28, valve 29, booster jar 30.
Embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1, the Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, comprise Nitrogen plant 1 and boiler 2, the venting port of Nitrogen plant 1 is connected with an oxygen storage tank 3 by inlet pipe 4, in described inlet pipe 4, be provided with T-valve 5, on T-valve 5, be also connected with vapor pipe 28, it is characterized in that the position that is positioned at T-valve 5 rears in described inlet pipe 4 is provided with the first check valve 6, on described the first check valve 6, be parallel with bypass pipe 7, on described bypass pipe 7, be successively provided with the second check valve 8 and booster transportation apparatus 9; Described oxygen storage tank 3 connects the first blower fan 11 by escape pipe 10, is provided with valve 29 on escape pipe 10; Described the first blower fan 11 is connected with surge tank 13 by induction pipe 12, and described surge tank 13 connects the inlet mouth of described boiler 2 by blowpipe 14, and described blowpipe 14 is provided with the second blower fan 15.Described booster transportation apparatus 9 is booster fan.
This Nitrogen plant oxygen recovery use device, the hyperoxia waste gas of discharging from Nitrogen plant 1 enters oxygen storage tank 3 by inlet pipe 4, along with the pressure that increases of the interior hyperoxia exhausted air quantity of oxygen storage tank 3 increases, the hyperoxia waste gas that Nitrogen plant 1 is discharged is difficult to directly enter in oxygen storage tank 3 again, now can make booster transportation apparatus 9 work, after the hyperoxia waste gas supercharging that Nitrogen plant 1 is discharged, be pressed in oxygen storage tank 3, in oxygen storage tank 3, just there is higher pressure like this, this pressure can work with the first blower fan 11 1, effectively hyperoxia waste gas is delivered to surge tank 13 by induction pipe 12, the hyperoxia waste gas entering after surge tank 13 can be entered in boiler and be burnt by blowpipe 14 and the second blower fan 15.Surge tank 13 can play the effect of buffering, gas storage, guarantees that the flow of blowpipe 14 can be relatively stable.Booster transportation apparatus 9 can be to be by phased manner to work, can be by artificial start and stop, certainly, ideal scheme is automatic control, at the interior pressure transmitter that arranges of oxygen storage tank 3, the signal of pressure transmitter is inputed in the middle of controller, by controller, control booster transportation apparatus 9 work, pressure transmitter is selected the standard pressure transducer of 4-20MA, controller is selected schedule of quantities, two signal wires of pressure transmitter are connected with the electric current input aperture of schedule of quantities, by the contact of controller to being connected in series in the current supply circuit of booster fan; When pressure rise to hyperoxia waste gas cannot directly pass through the first check valve 6 in oxygen storage tank 3 like this, can automatically open booster fan work.T-valve 5 can manual switching, and the hyperoxia waste gas that Nitrogen plant 1 can be discharged when boiler is not used for a long time directly not emit.
Embodiment 2:
As shown in Figure 2, the Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, as different from Example 1: described oxygen storage tank 3 is variable volume tank.Variable volume tank can adopt the changeable tank body of existing volume, can be also a dividing plate that can move up and down is set in common tank body, along with the conversion of the partition position volume between changing at the bottom of dividing plate and tank.Oxygen storage tank 3 can change volume according to the difference of operating mode like this, especially, when boiler is not used, can in oxygen storage tank 3, store relatively many oxygen, cuts the waste.
Embodiment 3:
As Fig. 3, 4, shown in 5, the Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, as different from Example 2: described variable volume tank is by tank body 16, tubular body arranged inside 17, circular sealed piece 19 formations that edge is the folding tank 18 of accordion and is positioned at folding tank 18 tops, described tubular body arranged inside 17 is fixedly installed on tank body 16 tops, described folding tank 18 communicates with tank body 16, described folding tank 18 and circular sealed piece 19 are all positioned at described tubular body arranged inside 17, described circular sealed piece 19 edges are provided with the roller 20 contacting with described tubular body arranged inside 17 inwalls.Wherein: the material of folding tank 18 can be selected rubber or plastics or polyethylene terephthalate.
The Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, when boiler is not used, variable volume tank can store more hyperoxia waste gas; Folding tank 18 is along with the increase of inner hyperoxia exhausted air quantity can upwards launch, to increase volume, in the process of upwards launching at folding tank 18, because folding tank 18 is limited in tubular body arranged inside 17, the situation that therefore can not turn down, be out of shape, owing to being provided with roller 20 between circular sealed piece 19 and tubular body arranged inside 17 inwalls, circular sealed piece 19 plays spacing effect, make folding tank 18 launch regularly and to fold, roller 20 can reduce the suffered frictional force of circular sealed piece 19 in folding tank 18 expansion processes.
Improvement as the present embodiment, circular sealed piece 19 can also be fixedly connected with the piston rod of a cylinder, cylinder can fixedly mount, cylinder action is risen piston rod or is declined like this, can variable volume tank be stretched or be pushed like this, when stretching, be convenient to hyperoxia waste gas and enter, when extruding, be convenient to hyperoxia waste gas and discharge and keep the long-range conveying of pressure.
Embodiment 4:
As shown in Figure 6, the Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, as different from Example 1: described circular sealed piece 19 tops are fixed with a balancing weight 21; Balancing weight 21 has certain gravity, can produce a downward pressure to folding tank 18, can guarantee like this transfer pressure of oxygen storage tank 3.
Embodiment 5:
As shown in Figure 7, the Nitrogen plant oxygen recovery use device of the described chinlon 6 section production of the present embodiment use, as different from Example 1: described booster transportation apparatus 9 consists of booster jar 30 and cylinder 22, the inlet pipe of described booster jar 30 and go out to be respectively equipped with the 3rd check valve 23 and the 4th check valve 24 on pipe, in described booster jar 30, be provided with dividing plate 25 moving up and down, described dividing plate 25 tops are connected with one through the body of rod 26 of described booster jar 30, described cylinder 22 is in transmission connection with the described body of rod 26 tops, and described booster jar 30 tops are also provided with ventpipe 27.When cylinder 22 its piston rods of control move upward, dividing plate 25 moves up thus, make the region of booster jar 30 internal partition belows form negative pressure, now hyperoxia waste gas enters in booster jar 30, when cylinder 22 its piston rods of control move downward, the hyperoxia waste gas of dividing plate below is just extruded and enters in oxygen storage tank 3 by the pressure with larger, can guarantee that like this hyperoxia waste gas still can enter smoothly in the situation that oxygen storage tank 3 has certain pressure, the 3rd check valve 23 and 24 effects that can play non-return of the 4th check valve, guarantee the correct of throughput direction.
Wherein, booster transportation apparatus 9 can also make structure as shown in Figure 8 into, adopt the structure of 9 parallel connections of (as Fig. 7) booster transportation apparatus shown in two the present embodiment, like this, two booster transportation apparatus 9 cooperation works can be accelerated the displacement of unit time, if and two cylinders are made to contrary working order, just can produce that 9 one of two booster transportation apparatus are bled, the state of a gas transmission, thereby realize continuous supercharging, carry.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. the Nitrogen plant oxygen recovery use device of a chinlon 6 section production use, comprise Nitrogen plant (1) and boiler (2), the venting port of Nitrogen plant (1) is connected with an oxygen storage tank (3) by inlet pipe (4), in described inlet pipe (4), be provided with T-valve (5), on T-valve (5), be also connected with vapor pipe (28), it is characterized in that the position that is positioned at T-valve (5) rear in described inlet pipe (4) is provided with the first check valve (6), on described the first check valve (6), be parallel with bypass pipe (7), upper the second check valve (8) and the booster transportation apparatus (9) of being successively provided with of described bypass pipe (7), described oxygen storage tank (3) connects the first blower fan (11) by escape pipe (10), is provided with valve (29) on escape pipe (10), described the first blower fan (11) is connected with surge tank (13) by induction pipe (12), and described surge tank (13) connects the inlet mouth of described boiler (2) by blowpipe (14), and described blowpipe (14) is provided with the second blower fan (15).
2. the Nitrogen plant oxygen recovery use device of chinlon 6 section production use according to claim 1, is characterized in that described oxygen storage tank (3) is variable volume tank.
3. the Nitrogen plant oxygen recovery use device of chinlon 6 section production use according to claim 2, it is characterized in that described variable volume tank is by tank body (16), tubular body arranged inside (17), circular sealed piece (19) formation that edge is the folding tank (18) of accordion and is positioned at folding tank (18) top, described tubular body arranged inside (17) is fixedly installed on tank body (16) top, described folding tank (18) communicates with tank body (16), described folding tank (18) and circular sealed piece (19) are all positioned at described tubular body arranged inside (17), described circular sealed piece (19) edge is provided with the roller (20) contacting with described tubular body arranged inside (17) inwall.
4. the Nitrogen plant oxygen recovery use device of chinlon 6 section production use according to claim 3, is characterized in that described circular sealed piece (19) top is fixed with a balancing weight (21).
5. according to the Nitrogen plant oxygen recovery use device of the chinlon 6 section production use described in any one in claim 1 to 4, it is characterized in that described booster transportation apparatus (9) is booster fan.
6. according to the Nitrogen plant oxygen recovery use device of the chinlon 6 section production use described in any one in claim 1 to 4, it is characterized in that described booster transportation apparatus (9) consists of booster jar (30) and cylinder (22), the inlet pipe of described booster jar (30) and go out to be respectively equipped with the 3rd check valve (23) and the 4th check valve (24) on pipe, in described booster jar (30), be provided with dividing plate moving up and down (25), described dividing plate (25) top is connected with one through the body of rod (26) of described booster jar (30), described cylinder (22) is in transmission connection with the described body of rod (26) top, described booster jar (30) top is also provided with ventpipe (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105026.8U CN203781845U (en) | 2014-03-10 | 2014-03-10 | Oxygen recycling device of nitrogen making machine for producing chinlon-6 chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105026.8U CN203781845U (en) | 2014-03-10 | 2014-03-10 | Oxygen recycling device of nitrogen making machine for producing chinlon-6 chips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781845U true CN203781845U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105026.8U Expired - Fee Related CN203781845U (en) | 2014-03-10 | 2014-03-10 | Oxygen recycling device of nitrogen making machine for producing chinlon-6 chips |
Country Status (1)
| Country | Link |
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| CN (1) | CN203781845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152145A (en) * | 2015-08-12 | 2015-12-16 | 杭州天利空分设备制造有限公司 | Nitrogen production device provided with oxygen recovery system |
-
2014
- 2014-03-10 CN CN201420105026.8U patent/CN203781845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152145A (en) * | 2015-08-12 | 2015-12-16 | 杭州天利空分设备制造有限公司 | Nitrogen production device provided with oxygen recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180310 |