Model utility content
For the problems referred to above, the utility model aims to provide a kind of rotary valve being applicable to many absorption tubular type adsorption tower structures, a kind of adsorption tower of many adsorption tubes integrated form, and oxygen generation efficiency is high, and concentration is high, the oxygenerator that noise is low.
The technological scheme that the utility model is dealt with problems is: a kind of rotary valve, comprise the semi-enclosed split cavity of bottom-open, split cavity side is provided with air inlet and chews, this split cavity top has through hole N, split cavity top is provided with motor, and the drive link of motor inserts through hole N and stretches into the inner chamber of split cavity, and the drive link free end of described motor is connected with moving valve plate, the laminating of moving valve plate lower end is provided with quiet valve block, and described moving valve plate can rotate freely by relatively quiet valve block.
Described quiet valve block is round column structure, quiet valve block is uniformly distributed along the circumference and is provided with first group of through hole, be respectively through hole A, through hole B, through hole C, through hole D, and center is provided with central through bore E.
Described moving valve plate is provided with T-shaped denitrogen groove, arc air inlet duct and balancing slit.
The transverse part of described T-shaped denitrogen groove is communicated with vertical portion, bottom, vertical portion is connected with the central through bore E of quiet valve block all the time, the transverse part of T-shaped denitrogen groove is arc, and aim at up and down with the uniform first group of through hole on quiet valve block, moving valve plate rotates to arbitrary position, has at least a through hole to be connected with the transverse part of T-shaped denitrogen groove in first group of through hole.
Described arc air inlet duct top is provided with inlet hole, and with the intracavity inter-connection of split cavity, air inlet duct is aimed at up and down with the uniform first group of through hole on quiet valve block, and moving valve plate rotates to arbitrary position, has at least a through hole to be connected with air inlet duct in first group of through hole.
Described balancing slit is between T-shaped denitrogen groove and arc air inlet duct, and balancing slit comprises the circular trough being arranged on two ends, is provided with the passage X be communicated with by two circular troughs between two circular troughs.
The circular trough at the arc transverse part of described T-shaped denitrogen groove, arc air inlet duct and balancing slit two ends is all arranged on same diameter circumferentially.The every 90-degree rotation of moving valve plate, two circular troughs at balancing slit two ends are connected with two through holes at same diameter line two ends in first group of through hole respectively.
Preferably, be provided with spring between described moving valve plate top and split cavity inner chamber roof, moving valve plate and quiet valve block compress by this spring.
For proof strength, described air inlet duct is provided with two inlet holes, does not open full-scale hole to air inlet duct.
The utility model also provides a kind of five pipe adsorption towers applying above-mentioned rotary valve simultaneously, comprise tower seat and integrated installation on tower seat and four of double layout adsorption tubes, in described adsorption tube, molecular sieve is installed, on tower seat, the position of corresponding four adsorption tubes is respectively equipped with oxygen delivery outlet, described oxygen delivery outlet is connected with corresponding adsorption tube respectively, the symmetry center place of four adsorption tubes is provided with column nitrogen treatment tower, four adsorption tubes and nitrogen treatment top of tower are provided with tower lid, tower covers and is provided with above-mentioned rotary valve, and tower hd top face and quiet valve block are fitted and installed.
Described tower covers having second group of through hole with first group of through hole corresponding position, is respectively through hole H, through hole I, through hole J, through hole K, and second group of through hole is communicated with first group of through hole one_to_one corresponding respectively, and also with four adsorption tube correspondences are connected.
Described tower covers and has denitrogen hole with central through bore E corresponding position on quiet valve block, and denitrogen hole is communicated with central through bore E, is also communicated with nitrogen treatment tower.
Described tower seat lower end is connected with gas holder, gas holder is peviform structure, its outer side wall is provided with out oxygen and chews, protruding columnar hollow inner casing is provided with bottom gas holder, gap is left between described inner casing and shell, bottom gas holder, be positioned at column inner casing region have through hole M, described inner casing top is fixedly connected with bottom tower seat, and inner casing top is provided with the passage Y be communicated with nitrogen treatment tower bottom.
Preferably, in described adsorption tube, molecular sieve upper end is provided with siccative, and siccative upper end is provided with noise reduction cotton, and molecular sieve lower end is provided with and molecular sieve, siccative and noise reduction cotton is compressed real spring, and lower spring end is fixedly connected with tower seat.
For reducing noise, in nitrogen treatment tower, be filled with noise reduction cotton.Noise reduction cotton is filled with in the cavity of gas holder hollow inner casing.
In addition, the utility model also discloses a kind of oxygenerator, this oxygenerator is provided with above-mentioned five pipe adsorption towers.
Working principle of the present utility model is: pressurized air enters adsorption tube, after siccative dewaters dry process, nitrogen in air etc. adsorb by molecular sieve, and make oxygen obtain enrichment to be in the gas phase stored in gas holder, and completed the molecular sieve of absorption at other adsorption tube by rapid depressurization, parse the composition adsorbed, and discharge via nitrogen treatment tower.Four adsorption tube alternate cycles, the valve auto-alternate of whole system controls automatically by a rotary valve.
Remarkable result of the present utility model is:
1. due to four adsorption tube alternate cycles air inlet oxygens or discharge nitrogen, the moving valve plate of prior art revolves the pressurized air that turns around can only enter an adsorption tube, the moving valve plate of this device revolves the pressurized air that turns around can enter two adsorption tubes, significantly improve relative to the oxygen generation efficiency of traditional adsorption tower, obtained oxygen concentration and flow also improve greatly, and when some faults in adsorption tube working procedure, also can working on of other.That is oxygenerator of the present utility model is in the situation of working long hours, and reliability is higher, works more stable.
2. the rotary valve of the utility model design perfectly can adapt to five pipe adsorption towers, is also that more multitube adsorption tower structure provides mentality of designing simultaneously.
3. define adsorption tower owing to four adsorption tubes and nitrogen treatment tower being integrated, no longer need to install separately one by one when it is installed, easier for installation.
4. be equipped with noise reduction cotton in nitrogen treatment tower and gas holder, make oxygenerator operationally more quiet, Consumer's Experience is better.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the STRUCTURE DECOMPOSITION figure of rotary valve.
Fig. 2 is the structure stereogram of moving valve plate.
Fig. 3 is the structure plan view of moving valve plate.
Fig. 4 is the structural representation of quiet valve block.
Fig. 5 is the overall structure schematic diagram of five pipe adsorption towers.
Fig. 6 is the main pseudosection of five pipe adsorption towers.
Fig. 7 is the top plan view of five pipe adsorption towers.
Fig. 8 is the Facad structure schematic diagram of gas holder.
Fig. 9 is the structure schematic diagram of gas holder.
What Figure 10 was moving valve plate at initial position and quiet valve block coordinates schematic diagram.
Figure 11 be moving valve plate turn clockwise after 22.5 degree with quiet valve block coordinate schematic diagram.
Figure 12 be moving valve plate turn clockwise after 45 degree with quiet valve block coordinate schematic diagram.
Figure 13 be moving valve plate turn clockwise after 67.5 degree with quiet valve block coordinate schematic diagram.
Figure 14 be moving valve plate dextrorotation turn 90 degrees after with quiet valve block coordinate schematic diagram.
Figure 15 be moving valve plate turn clockwise after 112.5 degree with quiet valve block coordinate schematic diagram.
Figure 16 be moving valve plate turn clockwise after 135 degree with quiet valve block coordinate schematic diagram.
Figure 17 be moving valve plate turn clockwise after 157.5 degree with quiet valve block coordinate schematic diagram.
Figure 18 be moving valve plate turn clockwise after 225 degree with quiet valve block coordinate schematic diagram.
Figure 19 be moving valve plate turn clockwise after 270 degree with quiet valve block coordinate schematic diagram.
Figure 20 be moving valve plate turn clockwise after 315 degree with quiet valve block coordinate schematic diagram.
Figure 21 be moving valve plate turn clockwise after 337.5 degree with quiet valve block coordinate schematic diagram.
Figure 22 be after moving valve plate dextrorotation three-sixth turn with quiet valve block coordinate schematic diagram.
In figure, 1-rotary valve; 2-split cavity; 3-motor; 4-moving valve plate; The quiet valve block of 5-; 6-tower lid; 7-air inlet is chewed; 8,17,18-noise reduction is cotton; 9-siccative; 10-molecular sieve; 11,26-spring; 12-tower seat; 13-oxygen delivery outlet; 14-gas holder; 15-goes out oxygen and chews; 16-denitrogen hole; 19,20,21,22-adsorption tube; 23-nitrogen treatment tower; 24-passage Y; 25-through hole N;
41-T shape denitrogen groove; 42-air inlet duct; 43-balancing slit;
51-through hole A; 52-through hole B; 53-through hole C; 54-through hole D; 55-central through bore E;
144-inner casing; 145-shell; 146-through hole M;
411-transverse part; 412-vertical portion; 421-inlet hole; 431-circular trough; 432-passage X.
Embodiment
As shown in figures 1-4, a kind of rotary valve, comprise the semi-enclosed split cavity 2 of bottom-open, split cavity 2 side is provided with air inlet and chews 7, and this split cavity 2 top has through hole N25, and split cavity 2 top is provided with motor 3, the drive link of motor inserts through hole N25 and stretches into the inner chamber of split cavity 2, the drive link free end of described motor is connected with moving valve plate 4, and the laminating of moving valve plate 4 lower end is provided with quiet valve block 5, and described moving valve plate 4 can rotate freely by relatively quiet valve block 5; Be provided with spring 26 between moving valve plate 4 top and split cavity 2 inner chamber roof, moving valve plate 4 and quiet valve block 5 compress by this spring 26.
Described quiet valve block 5 is round column structure, and quiet valve block 5 is uniformly distributed along the circumference is provided with first group of through hole, be respectively through hole A51, through hole B52, through hole C53, through hole D54, and center is provided with central through bore E55;
Described moving valve plate 4 is provided with T-shaped denitrogen groove 41, arc air inlet duct 42 and balancing slit 43;
The transverse part 411 of described T-shaped denitrogen groove 41 is communicated with vertical portion 412, bottom, vertical portion 412 is connected with the central through bore E55 of quiet valve block 5 all the time, the transverse part 411 of T-shaped denitrogen groove 41 is arc, and aim at up and down with the uniform first group of through hole on quiet valve block 5, moving valve plate 4 rotates to arbitrary position, has at least a through hole to be connected with the transverse part 411 of T-shaped denitrogen groove in first group of through hole;
Described arc air inlet duct 42 top is provided with two inlet holes 421, with the intracavity inter-connection of split cavity 2, air inlet duct 42 is aimed at up and down with the uniform first group of through hole on quiet valve block 5, and moving valve plate 4 rotates to arbitrary position, has at least a through hole to be connected with air inlet duct 42 in first group of through hole;
Described balancing slit 43 between T-shaped denitrogen groove 41 and arc air inlet duct 42, balancing slit 43 comprise be arranged on two ends circular trough 431, two circular trough 431 between be provided with the passage X432 be communicated with by two circular troughs 431;
The circular trough 431 at the arc transverse part 411 of described T-shaped denitrogen groove 41, arc air inlet duct 42 and balancing slit two ends is all arranged on same diameter circumferentially; The every 90-degree rotation of moving valve plate 4, two circular troughs 431 at balancing slit two ends are connected with two through holes at same diameter line two ends in first group of through hole respectively.
In this process, the working procedure of rotary valve is as shown in Figure 10 ~ 22,
(1) as shown in Figure 10, suppose that this zero degree position is starting point, pressurized air imports through hole C53 from air inlet duct 42, then enters adsorption tube 21; Through hole B52 and through hole D54 are connected with the circular trough 431 at balancing slit 43 two ends respectively, make adsorption tube 20 and the pressure balance in adsorption tube 22;
Through hole A51 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19 flows out from through hole A51 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(2) as shown in figure 11, when moving valve plate 4 turns clockwise 22.5 degree, pressurized air continues to import through hole C53 from air inlet duct 42, then enters adsorption tube 21; Through hole B52 and through hole D54 is all closed, makes adsorption tube 20 and pressurize in adsorption tube 22;
Through hole A51 is still connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19 flows out from through hole A51 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(3) as shown in figure 12, when moving valve plate 4 turns clockwise 45 degree, through hole C53 and through hole D54 all with air inlet duct 42 conducting, pressurized air imports through hole C, D from air inlet duct 42, then enters adsorption tube 21,22 respectively;
Through hole A, B are connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19,20 flows out from through hole A, B simultaneously and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(4) as shown in figure 13, when moving valve plate 4 turns clockwise 67.5 degree, through hole D and air inlet duct 42 conducting, pressurized air imports through hole D54 from air inlet duct 42, then enters adsorption tube 22; Through hole A, C are closed, make adsorption tube 19 and pressurize in adsorption tube 21;
Through hole B52 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 20 flows out from through hole B52 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(5) as shown in figure 14, when moving valve plate 4 dextrorotation turn 90 degrees, through hole D54 and air inlet duct 42 conducting, pressurized air imports through hole D54 from air inlet duct 42, then enters adsorption tube 22; Through hole A, C are connected with the circular trough 431 at balancing slit two ends respectively, make adsorption tube 19 and the pressure balance in adsorption tube 21;
Through hole B52 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 20 flows out from through hole B52 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(6) as shown in figure 15, when moving valve plate 4 turns clockwise 112.5 degree, pressurized air continues to import through hole D54 from air inlet duct 42, then enters adsorption tube 22; Through hole A51 and through hole C53 is all closed, makes adsorption tube 19 and pressurize in adsorption tube 21;
Through hole B52 is still connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 20 flows out from through hole B52 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(7) as shown in figure 16, when moving valve plate 4 turns clockwise 135 degree, through hole A51 and through hole D54 all with air inlet duct 42 conducting, pressurized air imports through hole A, D from air inlet duct 42, then enters adsorption tube 19,22 respectively;
Through hole B, C are connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 20,21 flows out from through hole B, C simultaneously and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(8) as shown in figure 17, when moving valve plate 4 turns clockwise 157.5 degree, through hole A51 and air inlet duct 42 conducting, pressurized air imports through hole A51 from air inlet duct 42, then enters adsorption tube 19; Through hole B, D are closed, make adsorption tube 20 and pressurize in adsorption tube 22;
Through hole C53 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 21 flows out from through hole C53 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(9) as shown in figure 18, when moving valve plate 4 turns clockwise 225 degree, through hole A51 and through hole B52 all with air inlet duct 42 conducting, pressurized air imports through hole A, B from air inlet duct 42, then enters adsorption tube 19,20 respectively;
Through hole C, D are connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 21,22 flows out from through hole C, D simultaneously and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(10) as shown in figure 19, when moving valve plate 4 turns clockwise 270 degree, through hole B52 and air inlet duct 42 conducting, pressurized air imports through hole B54 from air inlet duct 42, then enters adsorption tube 20; Through hole A, C are connected with the circular trough 431 at balancing slit two ends respectively, make adsorption tube 19 and the pressure balance in adsorption tube 21;
Through hole D54 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 22 flows out from through hole D54 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(11) as shown in figure 20, when moving valve plate 4 turns clockwise 315 degree, through hole B52 and through hole C53 all with air inlet duct 42 conducting, pressurized air imports through hole B, C from air inlet duct 42, then enters adsorption tube 20,21 respectively;
Through hole A, D are connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19,22 flows out from through hole A, D simultaneously and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(12) as shown in figure 21, when moving valve plate 4 turns clockwise 337.5 degree, through hole C53 and air inlet duct 42 conducting, pressurized air imports through hole C53 from air inlet duct 42, then enters adsorption tube 21; Through hole B, D are closed, make adsorption tube 20 and pressurize in adsorption tube 22;
Through hole A51 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19 flows out from through hole A51 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
(13) as shown in figure 22, when moving valve plate 4 dextrorotation three-sixth turn, get back to starting point, pressurized air imports through hole C53 from air inlet duct 42, then enters adsorption tube 21; Through hole B52 and through hole D54 are connected with the circular trough 431 at balancing slit two ends respectively, make adsorption tube 20 and the pressure balance in adsorption tube 22;
Through hole A51 is connected in T-shaped denitrogen groove 41 with central through bore E55, and the nitrogen in adsorption tube 19 flows out from through hole A51 and flows into nitrogen treatment tower 23 corresponding to central through bore E55.
So constantly circulation is carried out.
The present embodiment also provides a kind of five pipe adsorption towers applying above-mentioned rotary valve 1, as shown in Fig. 5 ~ 9, comprise tower seat 12 and integrated installation on tower seat 12 and four of double layout adsorption tubes 19,20,21,22, molecular sieve 10 is installed in described adsorption tube, molecular sieve 10 upper end is provided with siccative 9, siccative 9 upper end is provided with noise reduction cotton 8, and molecular sieve 10 lower end is provided with and molecular sieve 10, siccative 9 and noise reduction cotton 8 is compressed real spring 11, and spring 11 lower end is fixedly connected with tower seat 12.
On tower seat 12, the position of corresponding four adsorption tubes is respectively equipped with oxygen delivery outlet 13, described oxygen delivery outlet 13 is connected with corresponding adsorption tube respectively, the symmetry center place of four adsorption tubes 19,20,21,22 is provided with column nitrogen treatment tower 23, four adsorption tubes 19,20,21,22 and nitrogen treatment tower 23 top are provided with tower lid 6, tower lid 6 is provided with rotary valve 1, and tower lid 6 end face and quiet valve block 5 are fitted and are installed;
Having second group of through hole with first group of through hole corresponding position on described tower lid 6, be respectively through hole H, through hole I, through hole J, through hole K, and second group of through hole is communicated with first group of through hole one_to_one corresponding respectively, also with four adsorption tube correspondences are connected;
Described tower lid 6 has denitrogen hole 16 with central through bore E55 corresponding position on quiet valve block 5, and denitrogen hole 16 is communicated with central through bore E55, is also communicated with nitrogen treatment tower 23;
Described tower seat 12 lower end is connected with gas holder 14, gas holder 14 is peviform structure, its outer side wall is provided with out oxygen and chews 15, protruding columnar hollow inner casing 144 is provided with bottom gas holder 14, gap is left between described inner casing 144 and shell 145, bottom gas holder 14, be positioned at column inner casing 144 region have through hole M146, described inner casing 144 top is fixedly connected with bottom tower seat 12, and inner casing 144 top is provided with and the passage Y24 be communicated with bottom nitrogen treatment tower 23.
Noise reduction cotton 17 is filled with in nitrogen treatment tower 23.Noise reduction cotton 18 is filled with in the cavity of gas holder 14 hollow inner casing 144.
The working procedure of described five pipe adsorption towers is: pressurized air is chewed 7 from air inlet and entered split cavity 2, the drive link subtracting motor 3 drives moving valve plate 4 to rotate, the air inlet duct 42 of the driven valve block of air 4 imports second group of through hole on quiet valve block 5, enter in one or two adsorption tubes again, molecular sieve 10 is entered after carrying out noise reduction, dry process by noise reduction cotton 8, siccative 9, nitrogen in air adsorb by molecular sieve 10, oxygen then enters gas holder 14 by oxygen delivery outlet 13, then chews 15 adapters extractions from going out oxygen;
Then, moving valve plate 4 rotates to another angle, and adsorption tube, by rapid depressurization, parses the nitrogen adsorbed and turns back to quiet valve block, and come in nitrogen treatment tower 23 through denitrogen hole 16, then discharges after cotton 18 noise reductions of the noise reduction in noise reduction cotton 17 and gas holder 14.
Four adsorption tubes or enter air or go out nitrogen, alternating movement, complete oxygen preparation.
In addition, the present embodiment also discloses a kind of oxygenerator, this oxygenerator is provided with above-mentioned five pipe adsorption towers.