CN220900337U

CN220900337U - Straw high temperature high pressure processing apparatus

Info

Publication number: CN220900337U
Application number: CN202322551133.5U
Authority: CN
Inventors: 杨洪伟; 张�浩; 孙永; 张圣坤; 邵俊
Original assignee: Xuzhou Guoxin Biomass Energy Technology Co ltd
Current assignee: Xuzhou Guoxin Biomass Energy Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-07
Anticipated expiration: 2033-09-20

Abstract

The utility model particularly relates to a high-temperature and high-pressure straw treatment device which comprises a steam explosion tank body with a conical bottom end, wherein the top of the steam explosion tank body is provided with a feed inlet and a steam inlet, the bottom of the steam explosion tank body is provided with a discharge outlet, both the feed inlet and the discharge outlet are provided with sealing covers, a conical spiral conveying sheet is arranged in a conical part, the axis of the conical spiral conveying sheet is provided with a rotating shaft, the rotating shaft is rotationally connected with the feed inlet and the discharge outlet, the top of the rotating shaft is provided with a connecting spline, the top of the outer side of the steam explosion tank body is also provided with a driving motor capable of horizontally and vertically moving, and the output shaft of the driving motor faces downwards and is provided with a spline sleeve matched with the connecting spline. The utility model has reasonable structure, ensures the tightness in the high-temperature high-pressure heat treatment process of the steam explosion tank under the condition of realizing the steam explosion treatment of the straw, simultaneously avoids the condition of blocking a discharge hole in the pressure relief discharging process, does not need manual cleaning, avoids personnel injury due to high temperature, and has good safety.

Description

Straw high temperature high pressure processing apparatus

Technical Field

The utility model relates to the field of straw heat treatment equipment, in particular to a straw high-temperature high-pressure treatment device.

Background

The steam explosion method is a straw pretreatment technology which is studied more at home and abroad in recent years, and is characterized in that high-temperature and high-pressure steam is utilized to soften lignin in straw, and burst of cellulose crystal fiber bundles is caused by rapid depressurization and heat release, so that a series of influences are generated on the physical structure and chemical composition of cellulose, the treated straw structure becomes loose, and the follow-up treatment of the straw is facilitated.

The existing steam explosion tank is a tank body in order to obtain better tightness, the upper end of the tank body is provided with a material inlet, the bottom end of the tank body is provided with an outlet, each material inlet is provided with an automatic opening and closing sealing cover, so that after steam explosion treatment, straw materials are not smooth when being cleaned out of the tank body, for example, blockage is often formed at a discharge hole, tools such as forks and the like are needed to be used for assisting discharging, and the risk of high-temperature injury exists.

Disclosure of utility model

The utility model aims to overcome the defects of the technology and provide the straw high-temperature and high-pressure treatment device capable of assisting the discharging of the steam explosion tank and avoiding the manual assisting of the discharging.

The utility model provides a straw high temperature high pressure processing apparatus, includes the steam explosion jar body, the bottom of the steam explosion jar body becomes the taper, steam explosion jar body top is equipped with feed inlet and steam inlet, and the bottom is equipped with the discharge gate, feed inlet and discharge gate all dispose sealed lid, be located the taper bottom position in the steam explosion jar body and be equipped with the toper screw conveyer piece, toper screw conveyer piece axis is equipped with the pivot, the top of pivot rotates and connects in the feed inlet, the top of pivot does not stretch out the feed inlet, the bottom of pivot rotates and connects in the discharge gate, the bottom of pivot does not stretch out the discharge gate, the top of pivot is equipped with the connection spline, the external side top of steam explosion jar still is equipped with the driving motor that can level and vertical removal, driving motor's output shaft just the bottom of output shaft is equipped with the spline housing that matches with the connection spline down.

Further, the steam explosion tank body is located the feed inlet both sides and all is equipped with the mounting bracket, every the mounting bracket top is equipped with linear slide rail, every be equipped with the slider on the linear slide rail, two the slider top is connected through the connecting plate, connecting plate one side is equipped with the first pneumatic cylinder that the control slider removed, the connecting plate top is equipped with the motor mount pad through two jacking pneumatic cylinders, driving motor installs on the motor mount pad.

Further, the feeding hole and the discharging hole are both provided with flanges, sealing gaskets are arranged on the opposite sides of the flanges and the sealing cover, the sealing cover is connected with a second hydraulic cylinder, a telescopic rod of the second hydraulic cylinder is fixedly connected with the sealing cover, a supporting spring is arranged at one end, close to the telescopic rod, of a fixed shell of the second hydraulic cylinder, and a supporting rod is hinged at one end, far away from the telescopic rod;

The steam explosion tank body is provided with a hydraulic locking cylinder around the feed inlet and the discharge outlet, the end part of a telescopic rod of the hydraulic locking cylinder is provided with a locking block, and the locking block is provided with a V-shaped locking slot for clamping the flange and the sealing cover.

Further, the steam explosion tank body is provided with a pressure meter tube seat, a thermometer interface and a pressure relief valve mounting opening.

Further, a plurality of supporting legs are uniformly distributed around the bottom end of the steam explosion tank body.

The utility model has the advantages that: the utility model has reasonable structure, ensures the tightness in the high-temperature high-pressure heat treatment process of the steam explosion tank under the condition of realizing the steam explosion treatment of the straw, avoids the condition of blockage of the discharge port in the pressure relief discharging process, does not need manual cleaning, avoids personnel injury due to high temperature, has an automatic sealing structure of the discharge port and the feed port, and has the advantages of automatic discharging, high automation degree, safety and high efficiency.

Drawings

FIG. 1 is an internal schematic view of a high temperature and high pressure straw treating apparatus according to the present utility model;

fig. 2 is a schematic perspective view of a high-temperature and high-pressure straw treatment device according to the present utility model;

FIG. 3 is a schematic view of a sealing structure of a discharge port of a high-temperature and high-pressure straw treatment device;

Fig. 4 is a schematic diagram of a rotation shaft auxiliary rotation structure of a straw high-temperature high-pressure treatment device according to the present utility model;

Fig. 5 is a schematic diagram of a connecting spline and a spline housing of the straw high-temperature high-pressure treatment device.

As shown in the figure: 1. a steam explosion tank body; 2. support legs; 3. a feed inlet; 4. a steam inlet; 5. a discharge port; 6. sealing cover; 7. conical spiral conveying sheets; 8. a rotating shaft; 9. a connecting spline; 10. a driving motor; 11. an output shaft; 12. a spline housing; 13. a mounting frame; 14. a linear slide rail; 15. a slide block; 16. a connecting plate; 17. a first hydraulic cylinder; 18. jacking a hydraulic cylinder; 19. a motor mounting seat; 20. a flange; 21. a sealing gasket; 22. a second hydraulic cylinder; 23. a support spring; 24. a support rod; 25. a hydraulic locking cylinder; 26. a locking piece; 27. v-shaped locking notch clamping groove; 28. a bearing; 29. a bar.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, if a feature is referred to as being "disposed", "fixed", "connected" or "mounted" on another feature, it can be directly disposed, fixed or connected to the other feature or be indirectly disposed, fixed or connected or mounted on the other feature.

In the description of the embodiments of the present utility model, if "several" is referred to, it means more than one, if "multiple" is referred to, it is understood that the number is not included if "greater than", "less than", "exceeding", and it is understood that the number is included if "above", "below", "within" is referred to. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a straw high temperature high pressure processing apparatus, includes the steam explosion jar body 1, the bottom of the steam explosion jar body 1 becomes the taper, the top of the steam explosion jar body 1 is equipped with feed inlet 3 and steam inlet 4, and the bottom is equipped with discharge gate 5, feed inlet 3 and discharge gate 5 all are furnished with sealed lid 6, be located taper bottom position in the steam explosion jar body 1 and be equipped with toper screw conveying piece 7, toper screw conveying piece 7 axis is equipped with pivot 8, the top of pivot 8 rotates to connect in feed inlet 3, the top of pivot 8 does not stretch out feed inlet 3, the bottom of pivot 8 rotates to connect in discharge gate 5, the bottom of pivot 8 does not stretch out discharge gate 5, the top of pivot 8 is equipped with connecting spline 9, the outside top of the steam explosion jar body 1 still is equipped with the driving motor 10 that can horizontal and vertical removal, the output shaft 11 of driving motor 10 is down and the bottom of output shaft 11 is equipped with the spline housing 12 that matches with connecting spline 9;

The steam explosion tank body 1 is provided with mounting frames 13 at two sides of a feed inlet 3, the top of each mounting frame 13 is provided with a linear slide rail 14, each linear slide rail 14 is provided with a slide block 15, the tops of the two slide blocks 15 are connected through a connecting plate 16, one side of the connecting plate 16 is provided with a first hydraulic cylinder 17 for controlling the slide blocks 15 to move, the top of the connecting plate 16 is provided with a motor mounting seat 19 through two jacking hydraulic cylinders 18, and the driving motor 10 is mounted on the motor mounting seat 19;

the feeding port 3 and the discharging port 5 are both provided with flanges 20, as shown in fig. 2 and 3, the feeding port 3 is provided with a sealing gasket 21 on one side opposite to the flanges 20 and the sealing cover 6, the sealing cover 6 is connected with a second hydraulic cylinder 22, a telescopic rod of the second hydraulic cylinder 22 is fixedly connected with the sealing cover 6, one end, close to the telescopic rod, of a fixed shell of the second hydraulic cylinder 22 is provided with a supporting spring 23, one end far away from the telescopic rod is hinged with a supporting rod 24, the steam explosion tank 1 is provided with hydraulic locking cylinders 25 around the feeding port 3 and around the discharging port 5, the end of the telescopic rod of the hydraulic locking cylinder 25 is provided with a locking block 26, the locking block 26 is provided with a V-shaped locking port clamping groove 27 for clamping the flange 20 and the sealing cover 6, the sealing cover 6 at the discharging port 5 is set opposite to the feeding port 3, and the other second hydraulic cylinders 22, the supporting rod 24, the supporting spring 23, the hydraulic tightening cylinder 25 and the locking block 26 are identical in structure;

The steam explosion tank body 1 is provided with a pressure gauge tube seat for installing apparent pressure of pressure gauge, a thermometer interface for installing observation temperature of a thermometer and a pressure relief valve installation opening for installing a pressure relief valve for emergency pressure relief, which are not shown in the figure, and the positions of the pressure gauge tube seat are set according to the needs;

A plurality of supporting legs 2 are uniformly distributed around the bottom end of the steam explosion tank body 1.

The design of the rotating structure between the rotating shaft 8 and the inner wall of the steam explosion tank body 1 is shown in figures 1, 3 and 4, the rotating shaft 8 is sleeved with a bearing 28, the periphery of a mounting seat of the bearing 28 and the inner wall of the steam explosion tank body 1 are provided with a rib rod 29, and the rotating stability of the rotating shaft 8 in the auxiliary process is realized.

When the utility model is specifically used, the method specifically comprises the following steps:

1. Adding crushed straw for preparation: the hydraulic locking cylinder 25 is contracted, the locking block 26 is separated from the sealing cover 6 and the flange 20 of the feed inlet 3, the sealing cover 6 of the feed inlet 3 is opened, namely the second hydraulic cylinder 22 is contracted, the sealing cover 6 is separated from the feed inlet 3, the motor mounting seat 19 is lifted under the action of the jacking hydraulic cylinder 18, the driving motor 10 moves to one side of the feed inlet 3 under the action of the connecting plate 16 under the action of the first hydraulic cylinder 17, the sealing cover 6 of the discharge outlet 5 at the bottom is closed, and the corresponding locking block 26 locks and seals the sealing cover 6 and the flange 20 of the discharge outlet 5;

2. Adding straw: straw is added through the opened feed inlet 3;

3. High-temperature pressurizing: injecting high-temperature steam into the steam explosion tank body through a steam inlet by utilizing a high-temperature steam supply device, and preparing for steam explosion after reaching the required temperature and pressure for a period of time;

4. Steam explosion and blowout: the second hydraulic cylinder 22 and the hydraulic locking cylinder 25 at the feed port 3 do not act, the second hydraulic cylinder 22 and the hydraulic locking cylinder 25 at the discharge port 5 are retracted, the locking piece 26 at the discharge port 5 does not seal and limit the sealing cover 6 and the flange 20 any more, the steam pressure in the tank body 1 rapidly pushes the sealing cover 6 to form explosion, so that the straws subjected to high-temperature and high-pressure treatment are instantaneously exploded and sprayed out from the discharge port, and the sealing cover 6 at the discharge port 5 is opened, the thrust is caused to the sealing cover due to the steam thrust, and the supporting spring 23 is arranged to offset, so that the damage of the instantaneous explosion to the second hydraulic cylinder 22 is greatly reduced;

5. auxiliary discharging: because when exploding, the sealed lid is not fully opened, and the instantaneous explodes and spouts and can not be with the whole blowout of straw in the jar body, persists a large amount of straw in the jar body, then opens the sealed lid 6 of feed inlet 3 this moment, first pneumatic cylinder 17 starts, with driving motor 10 propelling movement to feed inlet 3 top, jacking pneumatic cylinder 18 work, drive driving motor 10 descends, spline housing 12 cover is established on connecting spline 9, driving motor 10 starts, drive pivot 8 selection precision, then conical screw conveying piece 7 rotary operation, the quick effectual straw discharge jar body.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a straw high temperature high pressure processing apparatus, includes the steam explosion jar body (1), the bottom of the steam explosion jar body (1) becomes the taper, steam explosion jar body (1) top is equipped with feed inlet (3) and steam inlet (4), and the bottom is equipped with discharge gate (5), feed inlet (3) and discharge gate (5) all are furnished with sealed lid (6), its characterized in that: the steam explosion tank body (1) is internally provided with a conical spiral conveying sheet (7) at the conical bottom end part, the axis of the conical spiral conveying sheet (7) is provided with a rotating shaft (8), the top end of the rotating shaft (8) is rotationally connected with a feed inlet (3), the top end of the rotating shaft (8) does not extend out of the feed inlet (3), the bottom end of the rotating shaft (8) is rotationally connected with a discharge outlet (5), the bottom of pivot (8) does not stretch out discharge gate (5), the top of pivot (8) is equipped with connecting spline (9), the outside top of the jar body of steam explosion (1) still is equipped with driving motor (10) that can level and vertical removal, output shaft (11) of driving motor (10) are equipped with spline housing (12) that match with connecting spline (9) down and the bottom of output shaft.

2. The high-temperature and high-pressure straw treatment device according to claim 1, wherein: the steam explosion tank body (1) is located feed inlet (3) both sides and all is equipped with mounting bracket (13), every mounting bracket (13) top is equipped with linear slide rail (14), every be equipped with slider (15) on linear slide rail (14), two slider (15) top is connected through connecting plate (16), connecting plate (16) one side is equipped with first pneumatic cylinder (17) that control slider (15) removed, connecting plate (16) top is equipped with motor mount pad (19) through two jacking pneumatic cylinders (18), driving motor (10) are installed on motor mount pad (19).

3. The high-temperature and high-pressure straw treatment device according to claim 1, wherein: the feeding port (3) and the discharging port (5) are both provided with flanges (20), one sides of the flanges (20) and the sealing cover (6), which are opposite, are both provided with sealing gaskets (21), the sealing cover (6) is connected with a second hydraulic cylinder (22), a telescopic rod of the second hydraulic cylinder (22) is fixedly connected with the sealing cover (6), one end, close to the telescopic rod, of a fixed shell of the second hydraulic cylinder (22) is provided with a supporting spring (23), and one end, far away from the telescopic rod, of the fixed shell is hinged with a supporting rod (24);

The steam explosion tank body (1) is located around the feeding hole (3) and around the discharging hole (5) and is provided with hydraulic locking oil cylinders (25), the end parts of telescopic rods of the hydraulic locking oil cylinders (25) are provided with locking blocks (26), and the locking blocks (26) are provided with V-shaped locking notch clamping grooves (27) for clamping the flange (20) and the sealing cover (6).

4. The high-temperature and high-pressure straw treatment device according to claim 1, wherein: the steam explosion tank body (1) is provided with a pressure meter tube seat, a thermometer interface and a pressure relief valve mounting opening.

5. The high-temperature and high-pressure straw treatment device according to claim 1, wherein: a plurality of supporting legs (2) are uniformly distributed around the bottom end of the steam explosion tank body (1).