Air inlet filtering device of screw compressor

Abstract

The utility model relates to the technical field of compressor air inlet equipment, and discloses a screw compressor air inlet filtering device which comprises a processing chamber, the right end of the top of the processing chamber is fixedly connected with a protection mechanism, the left end of the top of the processing chamber is fixedly connected with a filtering mechanism, and a cavity is formed in the processing chamber; and the protection mechanism comprises a supporting hole plate, the supporting hole plate is fixedly connected to the right end of the top of the treatment chamber, the bottom end of the supporting hole plate is fixedly connected with a first spring, and the bottom end of the first spring is fixedly connected with a T-shaped plate. According to the intake air filtering device of the screw compressor, when gas pressure protection adjustment of the mesh cylinder needs to be carried out, a two-way screw rod is rotated to drive a threaded plate to move, then when a supporting block is driven to move, the elastic acting force of a second spring is changed, and finally the elastic acting force received by the mesh cylinder is changed; and gas pressure protection adjustment of the mesh cylinder can be carried out, and potential safety hazards caused by over-high gas pressure to use in the equipment are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of compressor air intake equipment, in particular to an air intake filtering device for a screw compressor. Background Technique

[0002] A screw compressor, also known as a spiral compressor, includes a screw air compressor and a screw process compressor, such as a vinyl chloride compressor, etc. The screw machine is a volumetric twin-screw oil-injected compressor, generally of a box-type skid-mounted structure, and is composed of a pair of parallel and meshing male and female rotors (screws). It is a relatively widely used rotary compressor.

[0003] The working principle of a screw compressor is based on the rotary motion of a screw-shaped rotor in a cylinder to compress and transport gas. Therefore, it is a device for producing, transporting, and storing gas. It converts the energy generated by fuel combustion into mechanical energy to compress air. In addition, when transporting gas, impurities inside it need to be filtered and cleaned, and too high gas pressure also poses certain safety hazards to the internal use of the equipment. Content of the Utility Model

[0004] The purpose of the utility model is to provide an air intake filtering device for a screw compressor to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An air intake filtering device for a screw compressor, including a processing chamber, a protection mechanism is fixedly connected to the right end of the top of the processing chamber, a filtering mechanism is fixedly connected to the left end of the top of the processing chamber, and a cavity is opened inside the processing chamber;

[0006] The protection mechanism includes a support hole plate, the support hole plate is fixedly connected to the right end of the top of the processing chamber, a first spring is fixedly connected to the bottom end of the support hole plate, a T-shaped plate is fixedly connected to the bottom end of the first spring, a support plate is fixedly connected to the top end of the T-shaped plate, a mesh cylinder is fixedly connected to the bottom end of the support plate, brackets are respectively fixedly connected to the front and back of the right end of the top of the processing chamber, a bidirectional screw rod is threadedly connected inside the brackets, the bottom end of the bidirectional screw rod is rotatably connected to the top of the processing chamber, threaded plates are respectively threadedly connected to both ends of the surface of the bidirectional screw rod, a support block is fixedly connected to one end of the threaded plate, a second spring is fixedly connected to one side of the support block, an L-shaped plate is fixedly connected to one end of the second spring, the bottom end of the L-shaped plate is fixedly connected to the top of the support plate, the inside of the L-shaped plate is slidably connected to the surface of a support rod, and the bottom end of the support rod is fixedly connected to the top of the processing chamber.

[0007] Preferably, a through hole one is opened inside the top end of the bracket, and the surface of the bidirectional screw rod penetrates through the through hole one opened inside the top end of the bracket, which is convenient for the bidirectional screw rod to move under the limit of the through hole one.

[0008] Preferably, a through hole II is formed inside the support block, and the surface of the support rod penetrates through the through hole II formed inside the support block.

[0009] Preferably, a through hole III is formed in the middle inside the support hole plate, the surface of the first spring penetrates through the through hole III formed in the middle inside the support hole plate, a round hole is formed inside the support hole plate, and the surface of the mesh cylinder is located inside the round hole, which is convenient for the support hole plate to move inside the round hole.

[0010] Preferably, the filtering mechanism includes a clamping seat, the clamping seat is fixedly connected to the left end of the top of the processing chamber, a third spring is fixedly connected inside the clamping seat, a cross block is fixedly connected to the right end of the third spring, a T-shaped rod is fixedly connected inside the cross block, a support frame is arranged inside the processing chamber, a filter plate is fixedly connected inside the support frame, and a top bar is fixedly connected to the top end of the support frame.

[0011] Preferably, a slot is formed inside the left end of the processing chamber, and the surface of the support frame is inserted into the inside of the slot.

[0012] Preferably, a jack is formed inside the left end of the top bar, and the surface of the T-shaped rod is inserted into the inside of the jack, which is convenient for the T-shaped rod to be inserted into the jack for a limiting effect.

[0013] Compared with the prior art, the present utility model provides a screw compressor intake air filtering device, which has the following beneficial effects:

[0014] 1. For this screw compressor intake air filtering device, through the provided protection mechanism, the ventilation holes on the mesh cylinder are leaked outside the processing chamber, so that the automatic discharge of excess gas can be carried out, thereby playing a protective role for the inside of the processing chamber. In addition, when the gas pressure protection adjustment of the mesh cylinder needs to be carried out, at this time, rotate the bidirectional lead screw to drive the threaded plate to move, and then drive the support block to move, changing the elastic force of the second spring, and finally changing the elastic force received by the mesh cylinder, and the gas pressure protection adjustment of the mesh cylinder can be carried out to avoid potential safety hazards caused by too high gas pressure to the use inside the equipment.

[0015] 2. For this screw compressor intake air filtering device, through the provided filtering mechanism, the gas is filtered through the filter plate. In addition, when the filter plate needs to be cleaned, at this time, pull out the T-shaped rod to drive it to overcome the elastic force of the third spring, drive the cross block to move inside the clamping seat, and then drive the T-shaped rod to disengage from the position inside the top bar, and then the top bar can be pulled out and the filter plate can be cleaned. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0017] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0018] Figure 2 It is a three-dimensional exploded view of the protection mechanism of the present utility model;

[0019] Figure 3 It is a three-dimensional exploded view of the parts of the protection mechanism of the present utility model;

[0020] Figure 4 It is a three-dimensional exploded view of the filtering mechanism of the present utility model;

[0021] Figure 5 It is a three-dimensional view of the processing chamber of the present utility model.

[0022] In the figure: 1. Processing chamber; 2. Protection mechanism; 21. Support hole plate; 22. Mesh cylinder; 23. Support plate; 231. First spring; 24. T-shaped plate; 25. Bracket; 26. Bidirectional lead screw; 261. Threaded plate; 262. Support block; 27. Second spring; 28. Support rod; 29. L-shaped plate; 3. Filtering mechanism; 31. Clamping seat; 32. Third spring; 33. Cross block; 34. T-shaped rod; 35. Support frame; 36. Filter plate; 37. Top bar. Specific embodiments

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0024] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] The present utility model provides the following technical solutions:

[0026] Embodiment 1

[0027] Combined with Figures 2 to 5 , a screw compressor intake air filtering device, including a processing chamber 1, a protection mechanism 2 is fixedly connected to the right end of the top of the processing chamber 1, a filtering mechanism 3 is fixedly connected to the left end of the top of the processing chamber 1, and a cavity is provided inside the processing chamber 1;

[0028] The protection mechanism 2 includes a support orifice plate 21, the support orifice plate 21 is fixedly connected to the right end of the top of the processing chamber 1, a first spring 231 is fixedly connected to the bottom end of the support orifice plate 21, a T-shaped plate 24 is fixedly connected to the bottom end of the first spring 231, a support plate 23 is fixedly connected to the top end of the T-shaped plate 24, a mesh cylinder 22 is fixedly connected to the bottom end of the support plate 23, brackets 25 are respectively fixedly connected to the front and back of the right end of the top of the processing chamber 1, a bidirectional lead screw 26 is threadedly connected inside the brackets 25, the bottom end of the bidirectional lead screw 26 is rotatably connected to the top of the processing chamber 1, threaded plates 261 are respectively threadedly connected to both ends of the surface of the bidirectional lead screw 26, a support block 262 is fixedly connected to one end of the threaded plate 261, a second spring 27 is fixedly connected to one side of the support block 262, an L-shaped plate 29 is fixedly connected to one end of the second spring 27, the bottom end of the L-shaped plate 29 is fixedly connected to the top of the support plate 23, the inside of the L-shaped plate 29 is slidably connected to the surface of a support rod 28, the bottom end of the support rod 28 is fixedly connected to the top of the processing chamber 1, a through hole one is provided inside the top end of the bracket 25, the surface of the bidirectional lead screw 26 penetrates through the through hole one provided inside the top end of the bracket 25, a through hole two is provided inside the support block 262, and the surface of the support rod 28 penetrates through the through hole two provided inside the support block 262.

[0029] Furthermore, a through hole three is provided in the middle of the inside of the support orifice plate 21, the surface of the first spring 231 penetrates through the through hole three provided in the middle of the inside of the support orifice plate 21, a round hole is provided inside the support orifice plate 21, and the surface of the mesh cylinder 22 is located inside the round hole, so that the ventilation holes on the mesh cylinder 22 are leaked outside the processing chamber 1, thereby enabling the automatic discharge of excess gas, and further playing a role in protecting the inside of the processing chamber 1. In addition, when the gas pressure protection adjustment of the mesh cylinder 22 needs to be carried out, at this time, the bidirectional lead screw 26 is rotated to drive the threaded plate 261 to move, and then when the support block 262 moves, the elastic force of the second spring 27 is changed, and finally the elastic force received by the mesh cylinder 22 is changed, and the gas pressure protection adjustment of the mesh cylinder 22 can be carried out to avoid potential safety hazards caused by excessive gas pressure to the internal use of the equipment.

[0030] Embodiment 2

[0031] Refer to Figures 1-5, and on the basis of the first embodiment, it is further obtained that the filtering mechanism 3 includes a clamping seat 31, the clamping seat 31 is fixedly connected to the left end of the top of the processing chamber 1, a third spring 32 is fixedly connected inside the clamping seat 31, a cross block 33 is fixedly connected to the right end of the third spring 32, a T-shaped rod 34 is fixedly connected inside the cross block 33, a support frame 35 is arranged inside the processing chamber 1, a filter plate 36 is fixedly connected inside the support frame 35, a top bar 37 is fixedly connected to the top end of the support frame 35, a slot is opened inside the left end of the processing chamber 1, and the surface of the support frame 35 is inserted into the slot.

[0032] Furthermore, a jack is opened inside the left end of the top bar 37, the surface of the T-shaped rod 34 is inserted into the jack. The gas is filtered through the filter plate 36. When the filter plate 36 needs to be cleaned, at this time, pull the T-shaped rod 34 to drive it to overcome the elastic force of the third spring 32, drive the cross block 33 to move inside the clamping seat 31, and then drive the T-shaped rod 34 to disengage from the clamping position inside the top bar 37. After that, the top bar 37 can be pulled out and the filter plate 36 can be cleaned.

[0033] During the actual operation process, when this device is in use, the mesh cylinder 22 is provided with ventilation holes. When the device intakes air, the device intakes air from the left side of the processing chamber 1 and discharges air from the right side. When air intake filtration is required, at this time, the gas is filtered through the filter plate 36. When the filter plate 36 needs to be cleaned, at this time, pull the T-shaped rod 34 to drive it to overcome the elastic force of the third spring 32, drive the cross block 33 to move inside the clamping seat 31, and then drive the T-shaped rod 34 to disengage from the clamping position inside the top bar 37. After that, the top bar 37 can be pulled out and the filter plate 36 can be cleaned.

[0034] After that, when intaking air, when the gas pressure inside the processing chamber 1 increases, at this time, the gas impacts into the mesh cylinder 22 and moves the mesh cylinder 22 upward inside the support hole plate 21, so that the ventilation holes on the mesh cylinder 22 can be leaked outside the processing chamber 1, so that the excess gas can be automatically discharged, thereby playing a role in protecting the inside of the processing chamber 1. In addition, when the gas pressure protection adjustment of the mesh cylinder 22 is required, at this time, rotate the bidirectional lead screw 26 to drive the threaded plate 261 to move, and then drive the support block 262 to move, change the elastic force of the second spring 27, and finally change the elastic force received by the mesh cylinder 22, and the gas pressure protection adjustment of the mesh cylinder 22 can be carried out.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

Claims

1. An air intake filtering device for a screw compressor, comprising a processing chamber (1), characterized in that: A protection mechanism (2) is fixedly connected to the right end of the top of the processing chamber (1), a filtering mechanism (3) is fixedly connected to the left end of the top of the processing chamber (1), and a cavity is formed inside the processing chamber (1). The protection mechanism (2) includes a support hole plate (21) fixedly connected to the right end of the top of the processing chamber (1). A first spring (231) is fixedly connected to the bottom end of the support hole plate (21). A T-shaped plate (24) is fixedly connected to the bottom end of the first spring (231). A support plate (23) is fixedly connected to the top end of the T-shaped plate (24). A net cylinder (22) is fixedly connected to the bottom end of the support plate (23). Brackets (25) are respectively fixedly connected to the front and rear of the right end of the top of the processing chamber (1). A bidirectional lead screw (26) is threadedly connected inside the brackets (25). The bottom end of the bidirectional lead screw (26) is rotatably connected to the top of the processing chamber (1). Threaded plates (261) are respectively threadedly connected to both ends of the surface of the bidirectional lead screw (26). A support block (262) is fixedly connected to one end of the threaded plate (261). A second spring (27) is fixedly connected to one side of the support block (262). An L-shaped plate (29) is fixedly connected to one end of the second spring (27). The bottom end of the L-shaped plate (29) is fixedly connected to the top of the support plate (23). The surface of a support rod (28) is slidably connected inside the L-shaped plate (29). The bottom end of the support rod (28) is fixedly connected to the top of the processing chamber (1).

2. The intake air filtering device of a screw compressor according to claim 1, characterized in that: A through hole one is formed inside the top end of the bracket (25), and the surface of the bidirectional lead screw (26) passes through the through hole one formed inside the top end of the bracket (25).

3. The intake air filtering device of a screw compressor according to claim 1, wherein: A through hole two is formed inside the support block (262), and the surface of the support rod (28) passes through the through hole two formed inside the support block (262).

4. The intake air filtering device of a screw compressor according to claim 1, characterized in that: A through hole three is formed in the middle inside the support hole plate (21), and the surface of the first spring (231) passes through the through hole three formed in the middle inside the support hole plate (21). A round hole is formed inside the support hole plate (21), and the surface of the net cylinder (22) is located inside the round hole.

5. The intake air filtering device of a screw compressor according to claim 1, characterized in that: The filtering mechanism (3) includes a card seat (31) fixedly connected to the left end of the top of the processing chamber (1). A third spring (32) is fixedly connected inside the card seat (31). A cross block (33) is fixedly connected to the right end of the third spring (32). A T-shaped rod (34) is fixedly connected inside the cross block (33). A support frame (35) is arranged inside the processing chamber (1). A filter plate (36) is fixedly connected inside the support frame (35). A top bar (37) is fixedly connected to the top end of the support frame (35).

6. The air intake filtering device of a screw compressor according to claim 5, characterized in that: A slot is formed inside the left end of the processing chamber (1), and the surface of the support frame (35) is inserted into the slot.

7. The intake air filtration device of a screw compressor according to claim 5, characterized in that: An insertion hole is formed inside the left end of the top bar (37), and the surface of the T-shaped rod (34) is inserted into the insertion hole.

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