Pressure swing adsorption nitrogen making equipment convenient to fix

Abstract

The utility model belongs to the technical field of nitrogen making equipment, and particularly relates to pressure swing adsorption nitrogen making equipment convenient to fix, which comprises a nitrogen making machine and a bottom frame, and is characterized in that a sliding chute I is formed in the surface of the bottom frame, a plurality of sliding blocks II are connected in the sliding chute I in a sliding manner, and a sliding block I is fixedly connected to the surface of each sliding block II; the surface of each first sliding block is in threaded connection with a balance screw, the lower end of each balance screw is rotationally connected with a rotating block, the lower end of each rotating block is fixedly connected with a bottom plate, a stabilizing device is movably arranged above the bottom frame, and the bottom plates are connected with the second sliding blocks so that the bottom plates can make full contact with the supporting face. And the device is horizontal and obtains the maximum supporting area, so that the device is convenient to fix.

Description

Technical Field

[0001] The utility model belongs to the technical field of nitrogen production equipment, and particularly relates to a pressure swing adsorption nitrogen production equipment which is convenient to fix. Background Technique

[0002] A nitrogen generator refers to a device that uses air as raw material and separates oxygen and nitrogen in it by physical methods to obtain nitrogen. Industrial nitrogen generators can be divided into three types according to different classification methods, namely cryogenic air separation method, molecular sieve air separation method and membrane air separation method. Nitrogen generators are nitrogen production equipment designed and manufactured according to the pressure swing adsorption technology. The nitrogen generator uses carbon molecular sieve as adsorbent and separates air by the pressure swing adsorption principle at normal temperature to produce high-purity nitrogen. When the existing pressure swing adsorption nitrogen production equipment on the market is in use, during the use process, since the volume of the pressure swing adsorption nitrogen production equipment is relatively large, it is not easy to fix on the ground during actual use and may be displaced when collided, thus affecting the normal operation of the equipment. When most pressure swing adsorption nitrogen production equipment is in use, because the height of the equipment is relatively high, when maintaining its interior, the cover usually needs to be removed and placed. The cover is mostly made of metal materials and has a large mass. If it is not held firmly when removed, there is a risk of falling, and certain potential safety hazards may exist.

[0003] Chinese Patent with the authorization announcement number of CN220990249U discloses a pressure swing adsorption nitrogen production equipment which is convenient to fix, including a nitrogen generator. The bottom of the nitrogen generator is fixedly connected with a support plate. A bottom plate is arranged at the bottom of the support plate. A fence is arranged outside the nitrogen generator. An installation plate is fixedly connected to the side surface of the fence. A chute is opened on the inner wall of the fence. The bottom plate is slidably connected inside the chute. A rotating plate is connected inside the fence through a rotating shaft. A strip-shaped plate is fixedly connected to the top of the bottom plate. The rotating plate closely adheres to the surface of the strip-shaped plate. For this pressure swing adsorption nitrogen production equipment which is convenient to fix, by connecting a bottom plate at the bottom of the nitrogen generator, a fence is arranged outside the bottom plate, the bottom plate is slidably connected inside the fence, a strip-shaped plate is fixedly connected to the top of the bottom plate, and a rotating plate is arranged inside the fence. During use, only need to fix the fence first, then make the bottom plate slide along the chute, and then dial the rotating plate to fix the nitrogen generator.

[0004] However, the above has the following deficiencies:

[0005] 1. According to the description in the above patent, a stretched bottom plate is set to increase the contact area between the device and the ground, and the device is made more stable by expanding the bottom area of the device. However, during the actual installation process, the nitrogen production device needs to be kept horizontal to meet the requirement of stable operation. However, the bottom surface of the above patent cannot be completely flat, so the above structure cannot keep the device horizontal and cannot achieve a good support and fixation effect.

[0006] 2. The above-mentioned patent fixes the device by setting fixed screw insertion holes at fixed positions. However, during actual installation, due to different actual installation scenarios, there may be situations where some areas of the ground need to be avoided because holes cannot be drilled, and the fixed insertion holes of the above-mentioned patent cannot be drilled at corresponding variable positions. Summary of the Invention

[0007] In order to overcome the deficiencies of the prior art, the technical problem to be solved by the present utility model is to enable the device to avoid drilling and fix on the bottom surface area where holes cannot be drilled by setting movable fixing components, and to provide a better supporting effect on the uneven surface by setting a movable bottom plate, and to keep the nitrogen generation device in a horizontal state to ensure the stable operation of the nitrogen generation device.

[0008] In order to achieve the above object, the present utility model provides the following technical solution: A pressure swing adsorption nitrogen generation device convenient for fixing, comprising a nitrogen generator and a chassis. A first chute is arranged on the surface of the chassis, and a plurality of second sliders are slidably connected in the first chute. A first slider is fixedly connected to the surface of each second slider, and a balance screw is threadedly connected to the surface of each first slider. The lower end of the balance screw is rotatably connected to a rotating block, and the lower end of the rotating block is fixedly connected to a bottom plate. A stabilizing device is movably arranged above the chassis.

[0009] Further, a pressing plate is fixedly connected to the upper surface of the chassis. A second chute is opened on the surface of the pressing plate, and a ground nail bolt is slidably connected in the second chute. An avoidance groove is opened on the surface of the bottom plate, and the ground nail bolt passes through the avoidance groove and is directly connected to the ground.

[0010] Further, there is a movement difference between the first chute and the second slider. A slider limit tooth is arranged on the surface of the second slider, and a chute limit tooth is arranged in the first chute. The slider limit tooth and the chute limit tooth are linearly distributed as fine tapered teeth. When the second slider is lifted, the slider limit tooth and the chute limit tooth can be meshed and connected for fixation.

[0011] Further, cross plates are symmetrically and fixedly connected inside the chassis. Support feet are symmetrically and fixedly connected to the surface of the cross plates. A support plate is fixedly connected to the surface of the cross plates between adjacent support feet. The tanks of the nitrogen generator are respectively arranged at the centers of the corresponding support feet.

[0012] Further, the stabilizing device includes a support plate. The cylinder bodies of hydraulic cylinders are symmetrically and fixedly connected to the surface of the support plate. The telescopic ends of the hydraulic cylinders are fixedly connected to a water tank. A water injection port and a water outlet are opened on the surface of the water tank. Nitrogen generator covers are symmetrically and fixedly connected to the lower end of the water tank.

[0013] Furthermore, limiting rings are fixedly connected to the surface of the nitrogen generator symmetrically. The limiting rings can limit the height position of the nitrogen generator within the support feet. Multiple nitrogen generator covers are movably connected to the upper end of the tank body of the nitrogen generator symmetrically, and an air vent pipe is connected in communication between adjacent nitrogen generator covers.

[0014] To sum up, compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) By adopting the form of multiple balance screws interacting with the bottom plate, the bottom plate is pushed out by the balance screws, and the bottom plate is moved downward to be in close contact with the support surface, so that the device can maintain a horizontal state on the support surface, making the selection of the installation site plane more diverse, thus facilitating fixation.

[0016] (2) By using the cooperation of movable fixing screws and the bottom plate to limit, the fixed connection points of the device can avoid the positions where the support surface cannot be drilled, so as to carry out the fixing operation, enabling the device to have more fixed point options and facilitating the fixing of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of this patent.

[0018] Figure 2 is a side view of this patent.

[0019] Figure 3 is Figure 2 a three-dimensional cross-sectional view at A-A in

[0020] Figure 4 is a structural schematic diagram of a single support part.

[0021] Figure 5 is a structural cross-sectional view of a single support part.

[0022] Description of the reference numerals: nitrogen generator 10; water tank 11; water injection port 12; fixing block 13; hydraulic cylinder 14; air vent pipe 15; nitrogen generator cover 16; water outlet 17; limiting ring 18; support foot 19; chassis 20; cross plate 21; support plate 22; bottom plate 23; first chute 24; rotating block 25; balance screw 26; first slider 27; second slider 28; ground nail bolt 29; slider limiting tooth 30; chute limiting tooth 31; pressing plate 32; second chute 33. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0024] As shown in Figure 1 , Figure 2and Figure 3 As shown in the figure, a variable pressure nitrogen production device for easy fixation includes a nitrogen generator 10 and a chassis 20. Two limit rings 18 are symmetrically and fixedly connected to the surface of the nitrogen generator 10. Two nitrogen generator covers 16 are symmetrically and fixedly connected to the upper end of the nitrogen generator 10. An air pipe 15 is connected in communication between the two nitrogen generator covers 16. Two cross plates 21 are symmetrically and fixedly connected to the surface of the chassis 20. Two support feet 19 are fixedly connected to the upper ends of the two cross plates 21. The two tanks of the nitrogen generator 10 are movably connected to the centers of the corresponding support feet 19.

[0025] By setting the limit rings 18, the support feet 19 can support the nitrogen generator 10 at a specified height to achieve the purpose of normal pressure swing adsorption nitrogen production.

[0026] As Figure 1 、 Figure 2 and Figure 3 As shown in the figure, a support plate 22 is fixedly connected to the surface of the two cross plates 21 between the two support feet 19. The cylinders of two hydraulic cylinders 14 are symmetrically and fixedly connected to the surface of the support plate 22. The telescopic ends of the two hydraulic cylinders 14 are fixedly connected to a fixed block 13. A water tank 11 is fixedly connected between the two fixed blocks 13. A water injection port 12 and a water outlet 17 are provided on the surface of the water tank 11. The water tank 11 is fixedly connected to the nitrogen generator cover 16 at the lower end.

[0027] Utilizing the characteristics of the water in the water tank 11, when the device is vibrated, the vibration energy is absorbed by the water to achieve the purpose of shock absorption, making the device more stable. By raising or lowering the water tank 11 through the hydraulic cylinder 14, the nitrogen generator cover 16 can be opened and closed. When the nitrogen generator cover 16 is closely attached to the nitrogen generator 10, the hydraulic cylinder 14 continues to pull down, making the overall device more compact and improving the stability of the device.

[0028] As Figure 1 、 Figure 3 、 Figure 4 and Figure 5As shown, pressing plates 32 are symmetrically and fixedly connected to the upper end of the chassis 20. A second chute 33 is formed on the surface of the pressing plate 32. A first chute 24 is formed on the chassis 20. A plurality of second sliders 28 are movably connected in the first chute 24. There is a movement difference between the first chute 24 and each second slider 28. A first slider 27 is fixedly connected to the surface of each second slider 28. Two balance screws 26 are symmetrically and threadedly connected to the surface of each first slider 27. The lower ends of the two balance screws 26 on the same first slider 27 are respectively rotatably connected to a rotating block 25. The lower ends of the two rotating blocks 25 at the lower ends of the same pair of balance screws 26 are fixedly connected to a bottom plate 23. An avoidance hole is formed on the surface of each bottom plate 23. A plurality of ground nails 29 are slidably connected in the second chute 33. Each ground nail 29 passes through the avoidance hole on the corresponding bottom plate 23 and is fixedly connected to the ground. A chute limiting tooth 31 is arranged on the upper surface inside the chassis 20. A slider limiting tooth 30 is arranged on the upper surface of the second slider 28. The chute limiting tooth 31 and the slider limiting tooth 30 can be engaged and fixed.

[0029] Through the first chute 24 and the ground nail 29, the sliding directions of the ground nail 29 and the second slider 28 are restricted. By rotating, the lower bottom plate 23 is pressed downwards, so that the lower surface of the bottom plate 23 is in close contact with the support surface, generating the largest support area and providing a better support effect. Since the ground nail 29 can be directly connected to the ground, the ground nail 29 can press down the pressing plate 32, causing the chassis 20 connected to the slider limiting tooth 30 to be pressed downwards, so that the upper end of the second slider 28 fits with the upper surface inside the first chute 24, and the slider limiting tooth 30 at the upper end of the second slider 28 meshes with the chute limiting tooth 31 on the upper surface inside the first chute 24, making the second slider 28 unable to slide along the first chute 24 any more, and making the combined part of a single ground nail 29 and the second slider 28 fixed at a certain position, achieving a fixing effect.

[0030] In this embodiment, initially, the operator injects sufficient water into the water tank 11 through the water injection port 12. The two hydraulic cylinders 14 are in a fully extended state. All the second sliders 28 on the same side are at one end of the corresponding first chute 24.

[0031] Before use, the operator moves the ground nail 29 to the position of the hole drilled on the ground and drives it down through the avoidance hole on the surface of the bottom plate 23 to complete the basic fixation of the device. Since the ground is not necessarily flat, the device is not in a horizontal state, which affects the overall stability of the device. At this time, the operator rotates the balance screw 26 rotatably connected to the rotating block 25 on the bottom plate 23 that is not in contact with the support surface, so that the balance screw 26 rotates vertically downwards under the restriction of the threaded connection with the first slider 27, making the balance screw 26 push the rotating block 25, causing the bottom plate 23 under the rotating block 25 to move downwards, so that the lower surface of the bottom plate 23 is in full contact with the support surface, maximizing the support area and achieving the best support effect.

[0032] When all the bottom plates 23 are in full contact with the supporting surface, under the support of all the bottom plates 23, the chassis 20 is in a horizontal state. At this time, the operator continues to drive all the ground nails 29 downward into the ground, so that the pressing plates 32 connected to all the ground nails 29 move downward under the action of each ground nail 29, causing the chassis 20 to move downward. Due to the movement difference between the first chute 24 on the chassis 20 and the second slider 28, the chute limit teeth 31 on the upper surface of the first chute 24 mesh with the slider limit teeth 30 on the upper surface of each second slider 28, fixing the position of each second slider 28 and completing the position fixing work of the device.

[0033] Before the nitrogen generation equipment runs, the operator puts the raw materials into the nitrogen generator 10, drives the hydraulic cylinder 14 to contract, so that the hydraulic cylinder 14 drives the water tank 11 to press downward through the fixing block 13, making the two nitrogen generator covers 16 at the end of the water tank 11 fit tightly with the nitrogen generator 10, sealing the nitrogen generator 10 and enabling the nitrogen generation work to be completed.

[0034] When the nitrogen generation is in operation and the device body vibrates or is affected by external factors and vibrates, the device has a tendency to move under the influence of shear waves. At this time, since the direction of the water movement in the water tank 11 is inconsistent with the device itself, the water in the water tank 11 absorbs the energy of the shear waves, achieving a shock absorption effect, making the device stable. And under the continuous action of the water in the water tank 11, the stability of the device is improved, facilitating the fixing of the device.

[0035] After the hydraulic cylinder 14 contracts and the two nitrogen generator covers 16 under the water tank 11 fit tightly with the nitrogen generator 10, the hydraulic cylinder 14 continues to contract, causing the water tank 11 to continue to press downward, making the nitrogen generator covers 16 fit more firmly with the nitrogen generator 10, and making the limit ring 18 on the surface of the nitrogen generator 10 contact the support feet 19 more tightly, making the overall device more compact, improving the overall stability of the device, making it more convenient to fix. And because the water tank 11 is installed, the overall weight of the device is increased, the inertia of the device is increased, and it is less likely to change, making it more convenient to fix.

[0036] When the nitrogen generator 10 needs to be repaired, the operator drives the hydraulic cylinder 14 to extend, causing the water tank 11 to move upward and separating the two nitrogen generator covers 16 from the nitrogen generator 10. After the nitrogen generator 10 is separated from the two nitrogen generator covers 16, the operator can repair the nitrogen generator 10.

[0037] The above nitrogen generator 10 and hydraulic cylinder 14 are both existing mature technologies and will not be elaborated herein.

[0038] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in names as a way to distinguish components, but rather use the difference in the functions of components as the criterion for distinction. As used throughout the specification and claims, "comprising" is an open-ended term and should be interpreted as "comprising but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve the technical problems within a certain error range and basically achieve the technical effects.

[0039] It should be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the commodity or system including the said element.

[0040] The above description shows and describes several preferred embodiments of the present application. However, as mentioned above, it should be understood that the present application is not limited to the forms disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the application concept described herein through the above teachings or the technology or knowledge in the relevant field. And any changes and modifications made by those skilled in the art that do not depart from the spirit and scope of the present application shall fall within the protection scope of the appended claims of the present application.

Claims

1. A pressure swing adsorption nitrogen generation device convenient for fixing, including a nitrogen generator (10) and a chassis (20), characterized in that, The surface of the chassis (20) is provided with a first chute (24), and a plurality of second sliders (28) are slidably connected in the first chute (24). A first slider (27) is fixedly connected to the surface of each second slider (28). A balance screw (26) is threadedly connected to the surface of each first slider (27). The lower end of the balance screw (26) is rotatably connected to a rotating block (25). The lower end of the rotating block (25) is fixedly connected to a bottom plate (23). A stabilizing device is movably arranged above the chassis (20).

2. The pressure swing adsorption nitrogen production equipment which is convenient to fix according to claim 1, characterized in that, A pressing plate (32) is fixedly connected to the upper surface of the chassis (20). A second chute (33) is formed on the surface of the pressing plate (32). A ground-fastening bolt (29) is slidably connected in the second chute (33). An avoidance groove is formed on the surface of the bottom plate (23). The ground-fastening bolt (29) passes through the avoidance groove and is directly connected to the ground.

3. The pressure swing adsorption nitrogen production equipment that is convenient to fix according to claim 2, characterized in that, There is an activity difference between the first chute (24) and the second slider (28). A slider limit tooth (30) is arranged on the surface of the second slider (28). A chute limit tooth (31) is arranged in the first chute (24). The slider limit tooth (30) and the chute limit tooth (31) are linearly distributed as fine conical teeth. When the second slider (28) is lifted, the slider limit tooth (30) and the chute limit tooth (31) can be meshed and connected for fixation.

4. A pressure swing adsorption nitrogen production device that is easy to fix according to claim 1, characterized in that , Horizontally arranged plates (21) are symmetrically and fixedly connected inside the chassis (20). Supporting feet (19) are symmetrically and fixedly connected to the surfaces of the horizontally arranged plates (21). A supporting plate (22) is fixedly connected to the surface of the horizontally arranged plates (21) between adjacent supporting feet (19). The tanks of the nitrogen generator (10) are respectively arranged at the centers of the corresponding supporting feet (19).

5. A pressure swing adsorption nitrogen production device that is easy to fix according to claim 1, characterized in that, The stabilizing device includes a supporting plate (22). The cylinders of hydraulic cylinders (14) are symmetrically and fixedly connected to the surface of the supporting plate (22). The telescopic ends of the hydraulic cylinders (14) are fixedly connected to a water tank (11). A water injection port (12) and a water outlet (17) are formed on the surface of the water tank (11). Nitrogen generator covers (16) are symmetrically and fixedly connected to the lower end of the water tank (11).

6. The pressure swing adsorption nitrogen production equipment that is convenient to fix according to claim 5, characterized in that, A limit ring (18) is fixedly connected to the surface of the nitrogen generator (10). The limit ring (18) can limit the height position of the nitrogen generator (10) inside the supporting feet (19). The upper end of the tank of the nitrogen generator (10) is movably connected to the nitrogen generator cover (16). An air vent pipe (15) is connected in a communicating manner between adjacent nitrogen generator covers (16).

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