阅读说明：本技术 一种柱塞式在线灭菌陶瓷泵以及方法 (Plunger type online sterilization ceramic pump and method ) 是由 陈铬 闫玉勇 于 2019-11-29 设计创作，主要内容包括：本发明属于一种柱塞式在线灭菌陶瓷泵以及方法；包括泵腔本体,泵腔本体的上部设有灭菌进口座,泵腔本体的中部设有液体进口座以及液体出口座,泵腔本体下部设有灭菌出口座；泵腔本体内部设有泵腔本体陶瓷套；泵腔本体陶瓷套的内上部设有带旋转阀芯连接件的旋转阀芯,所述泵腔本体陶瓷套的内下部设有带移动活塞连接件的移动活塞；旋转阀芯的底部设有过液槽,过液槽与液体进口座以及液体出口座处于同一高度；具有结构简单、设计合理、灌装效率高、能够在不拆卸的情况下进行在线灭菌、省时省力和避免发生二次污染的优点。(The invention belongs to a plunger type online sterilization ceramic pump and a method; the sterilization pump comprises a pump cavity body, wherein a sterilization inlet seat is arranged at the upper part of the pump cavity body, a liquid inlet seat and a liquid outlet seat are arranged at the middle part of the pump cavity body, and a sterilization outlet seat is arranged at the lower part of the pump cavity body; a pump cavity body ceramic sleeve is arranged in the pump cavity body; the inner upper part of the pump cavity body ceramic sleeve is provided with a rotary valve core connecting piece, and the inner lower part of the pump cavity body ceramic sleeve is provided with a movable piston connecting piece; the bottom of the rotary valve core is provided with a liquid passing groove which is at the same height with the liquid inlet seat and the liquid outlet seat; has the advantages of simple structure, reasonable design, high filling efficiency, on-line sterilization without disassembly, time and labor saving and avoidance of secondary pollution.)

1. A plunger type online sterilization ceramic pump comprises a pump cavity body (1), and is characterized in that: a sterilization inlet seat (4) is arranged on the outer circumference of the upper part of the pump cavity body (1), a pump cavity body positioning pin (3) is arranged on the outer circumference of the pump cavity body (1) at the lower part of the sterilization inlet seat (4), a liquid inlet seat (6) and a liquid outlet seat (7) are arranged on the outer circumference of the middle part of the pump cavity body (1), and a sterilization outlet seat (5) is arranged on the outer circumference of the lower part of the pump cavity body (1); a pump cavity body ceramic sleeve (2) is arranged in the pump cavity body (1);

a rotary valve core (12) with a rotary valve core connecting piece (11) is arranged at the inner upper part of the pump cavity body ceramic sleeve (2), and a movable piston (22) with a movable piston connecting piece (21) is arranged at the inner lower part of the pump cavity body ceramic sleeve (2); the bottom of the rotary valve core (12) is provided with a liquid passing groove (13), and the liquid passing groove (13) is positioned at the same height with the liquid inlet seat (6) and the liquid outlet seat (7);

a first hole step (14), a second hole step (15), a third hole step (16), a fourth hole step (17) and a fifth hole step (18) are sequentially arranged in the pump cavity body ceramic sleeve (2) from top to bottom;

the rotary valve core (12) is sequentially provided with a first shaft step (23), a second shaft step (24), a third shaft step (25) and a fourth shaft step (26) from top to bottom;

the movable piston (22) is sequentially provided with a fifth shaft step (8), a sixth shaft step (9) and a seventh shaft step (10) from top to bottom;

the first hole step (14) corresponds to a first shaft step (23), a second shaft step (24) and a third shaft step (25), and the second hole step (15) corresponds to a fourth shaft step (26); the third hole step (16) and the fourth hole step (17) correspond to the fifth shaft step (8);

the sterilization inlet seat (4) is communicated with the upper part of the first hole step (14), the sterilization outlet seat (5) corresponds to the fifth hole step (18), and the liquid inlet seat (6) and the liquid outlet seat (7) correspond to the second hole step (15) respectively.

2. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: a first sealing ring (19) is arranged between the inner upper part of the pump cavity body ceramic sleeve (2) and the rotary valve core (12), and a second sealing ring (20) is arranged between the inner lower part of the pump cavity body ceramic sleeve (2) and the movable piston (22).

3. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: a first ceramic joint (27) is arranged inside the sterilization inlet seat (4), a first locking nut (28) is arranged outside the sterilization inlet seat (4), and a first sealing gasket (29) is arranged inside the first ceramic joint (27).

4. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: the sterilization outlet seat (5) is internally provided with a second ceramic joint (30), the sterilization outlet seat (5) is externally provided with a second locking nut (31), and the second ceramic joint (30) is internally provided with a second sealing gasket (32).

5. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: and a third ceramic joint (33) is arranged in the liquid inlet seat (6), a third locking nut (34) is arranged outside the liquid inlet seat (6), and a third sealing gasket (35) is arranged in the third ceramic joint (33).

6. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: a fourth ceramic joint (36) is arranged inside the liquid outlet seat (7), a fourth locking nut (37) is arranged outside the liquid outlet seat (7), and a fourth sealing gasket (38) is arranged inside the fourth ceramic joint (36).

7. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: the pump cavity body ceramic sleeve (2), the rotary valve core (12), the movable piston (22), the first ceramic joint (27), the second ceramic joint (30), the third ceramic joint (33) and the fourth ceramic joint (36) are all made of ceramic materials.

8. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: the liquid inlet seat (6) and the liquid outlet seat (7) are arranged on the same horizontal height of the outer surface of the pump cavity body (1), and the included angle between the liquid inlet seat (6) and the liquid outlet seat (7) is 60 degrees.

9. The plunger type on-line sterilization ceramic pump as set forth in claim 1, wherein: the length of the first hole step (14) is less than the sum of the lengths of the first shaft step (23), the second shaft step (24) and the third shaft step (25);

the sum of the lengths of the fourth hole step (17) and the fifth hole step (18) is greater than the length of the sixth shaft step (9).

10. A method of in-line sterilization of ceramic pumps of the plunger type according to claims 1 to 9, characterized in that: the method comprises a normal use method and an online sterilization method:

a. the normal use method comprises the following steps:

step 1: the liquid passing groove (13), the liquid inlet seat (6) and the liquid outlet seat (7) are positioned at the same height, meanwhile, the second hole step (15) and the fourth shaft step (26) of the rotary valve core ceramic (12) are in a sliding sealing matching state, and the fourth hole step (17) and the fifth shaft step (8) in the movable piston (22) are in a sliding sealing matching state;

step 2: the power device drives the rotary valve core (12) to rotate through the rotary valve core connecting piece (11), and when the liquid passing groove (13) is communicated with the liquid inlet seat (6), the liquid outlet seat (7) is in a closed state;

the other power device drives the movable piston (22) to move downwards through the movable piston connecting piece (21), so that negative pressure is formed in the third hole step (16) at the lower part of the liquid passing groove (13), and liquid to be filled is pumped into the third hole step (16) through the liquid inlet seat (6);

and step 3: the power device drives the rotary valve core (12) to rotate through the rotary valve core connecting piece (11), and when the liquid passing groove (13) is communicated with the liquid outlet seat (7), the liquid inlet seat (6) is in a closed state;

the other power device drives the movable piston (22) to move upwards through the movable piston connecting piece (21), so that positive pressure is formed in the third hole step (16) at the lower part of the liquid passing groove (13), and the movable piston (22) pushes liquid to be discharged from the liquid outlet seat (7) and filling is realized;

and 4, step 4: continuous filling can be realized by repeating the step 2 and the step 3;

b. the online sterilization method comprises the following steps:

step 1: when normal operation is finished or sterilization treatment is required;

enabling the rotary valve core (12) to move upwards until the fourth shaft step (26) is completely separated from the second hole step (15), and enabling a second shaft step (24) of the rotary valve core (12) to be in contact with the first sealing ring (19) and form upper sealing;

step 2: the movable piston (22) moves upwards until the fifth shaft step (8) in the movable piston (22) is completely separated from the fourth hole step (17), and meanwhile, the seventh shaft step (10) in the movable piston (22) is in contact with the second sealing ring (20) and forms lower sealing;

and step 3: steam for sterilization is introduced through the sterilization inlet seat (4), the steam enters the pump cavity body ceramic sleeve (2) through the sterilization inlet seat (4) and sequentially passes through the first hole step (14), the second hole step (15), the third hole step (16) and the fourth hole step (17), the steam is discharged through the liquid inlet seat (6), the liquid outlet seat (7) and the sterilization outlet seat (5), and the inner wall of the pump cavity body ceramic sleeve (2), the outer wall of the rotary valve core (12), the outer wall of the movable piston (22), the first ceramic joint (27), the second ceramic joint (30), the third ceramic joint (33) and the fourth ceramic joint (36) are sterilized.

Technical Field

The invention belongs to the technical field of fluid filling, and particularly relates to a plunger type online sterilization ceramic pump and a method.

Background

At present, a plunger type filling pump is precisely matched with an outer sleeve and an inner rod, and is driven by a servo motor or a power driving device to reciprocate and rotate so as to realize the operation and the conveying of liquid flow; the method has the characteristics of low abrasion resistance, high precision and the like, and can be widely applied to the fields of pharmacy, chemical industry, food and the like, but has the following defects in the specific use process: 1. the outer sleeve and the inner rod need to be precisely matched and have complex structures, so that the precision is required to be high in the production process; 2. the filling efficiency is low; 3. when the plunger type filling pump is used for a period of time or different media are replaced, the plunger type filling pump needs to be detached and placed in a special sterilization box for sterilization, and the steps of detachment, sterilization, assembly and the like are needed, so that time and labor are wasted, and the possibility of bad phenomena such as collision, damage and the like of the ceramic pump is easy to occur when the plunger type filling pump is a ceramic part; 4. when the plunger type filling pump is made of metal, although the defects of collision and damage can be overcome, part of liquid to be filled and metal are subjected to chemical reaction, and secondary pollution is possibly caused.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a plunger type online sterilization ceramic pump and a method, wherein the plunger type online sterilization ceramic pump has the advantages of simple structure, reasonable design, high filling efficiency, capability of performing online sterilization without disassembly, time and labor conservation and avoidance of secondary pollution.

The purpose of the invention is realized as follows: the sterilization pump cavity comprises a pump cavity body, wherein a sterilization inlet seat is arranged on the outer circumference of the upper part of the pump cavity body, a pump cavity body positioning pin is arranged on the outer circumference of the pump cavity body at the lower part of the sterilization inlet seat, a liquid inlet seat and a liquid outlet seat are arranged on the outer circumference of the middle part of the pump cavity body, and a sterilization outlet seat is arranged on the outer circumference of the lower part of the pump cavity; a pump cavity body ceramic sleeve is arranged in the pump cavity body; the inner upper part of the pump cavity body ceramic sleeve is provided with a rotary valve core connecting piece, and the inner lower part of the pump cavity body ceramic sleeve is provided with a movable piston connecting piece; the bottom of the rotary valve core is provided with a liquid passing groove which is at the same height with the liquid inlet seat and the liquid outlet seat; a first hole step, a second hole step, a third hole step, a fourth hole step and a fifth hole step are sequentially arranged in the pump cavity body ceramic sleeve from top to bottom; the rotary valve core is sequentially provided with a first shaft step, a second shaft step, a third shaft step and a fourth shaft step from top to bottom; the movable piston is sequentially provided with a fifth shaft step, a sixth shaft step and a seventh shaft step from top to bottom; the first hole step corresponds to the first shaft step, the second shaft step and the third shaft step, and the second hole step corresponds to the fourth shaft step; the third hole step and the fourth hole step correspond to a fifth shaft step; the sterilization inlet seat is communicated with the upper part of the first hole step, the sterilization outlet seat corresponds to the fifth hole step, and the liquid inlet seat and the liquid outlet seat correspond to the second hole step respectively.

Furthermore, a first sealing ring is arranged between the inner upper part of the pump cavity body ceramic sleeve and the rotary valve core, and a second sealing ring is arranged between the inner lower part of the pump cavity body ceramic sleeve and the movable piston.

Furthermore, a first ceramic joint is arranged inside the sterilization inlet seat, a first locking nut is arranged outside the sterilization inlet seat, and a first sealing gasket is arranged inside the first ceramic joint.

Further, a second ceramic joint is arranged inside the sterilization outlet seat, a second locking nut is arranged outside the sterilization outlet seat, and a second sealing gasket is arranged inside the second ceramic joint.

Furthermore, a third ceramic joint is arranged inside the liquid inlet seat, a third locking nut is arranged outside the liquid inlet seat, and a third sealing gasket is arranged inside the third ceramic joint.

Further, a fourth ceramic joint is arranged inside the liquid outlet seat, a fourth locking nut is arranged outside the liquid outlet seat, and a fourth sealing gasket is arranged inside the fourth ceramic joint.

Furthermore, the pump cavity body ceramic sleeve, the rotary valve core, the movable piston, the first ceramic joint, the second ceramic joint, the third ceramic joint and the fourth ceramic joint are all made of ceramic materials.

Further, the liquid inlet seat and the liquid outlet seat are arranged on the same horizontal height of the outer surface of the pump cavity body, and the included angle between the liquid inlet seat and the liquid outlet seat is 60 degrees.

Further, the length of the first hole step is smaller than the sum of the lengths of the first shaft step, the second shaft step and the third shaft step; the sum of the lengths of the fourth and fifth bore steps is greater than the length of the sixth shaft step.

A plunger type online sterilization method for a ceramic pump comprises a normal use method and an online sterilization method:

a. the normal use method comprises the following steps:

step 1: the liquid passing groove, the liquid inlet seat and the liquid outlet seat are at the same height, meanwhile, the second hole step and the fourth shaft step of the rotary valve core are in sliding sealing fit, and the fourth hole step and the fifth shaft step in the movable piston are in sliding sealing fit;

step 2: the power device drives the rotary valve core to rotate through the rotary valve core connecting piece, and when the liquid passing groove is communicated with the liquid inlet seat, the liquid outlet seat is in a closed state;

the other power device drives the movable piston to move downwards through the movable piston connecting piece, so that negative pressure is formed in the third hole step at the lower part of the liquid passing groove, and liquid to be filled is sucked into the third hole step by a pump through the liquid inlet seat;

and step 3: the power device drives the rotary valve core to rotate through the rotary valve core connecting piece, and when the liquid passing groove is communicated with the liquid outlet seat, the liquid inlet seat is in a closed state;

the other power device drives the movable piston to move upwards through the movable piston connecting piece, so that positive pressure is formed in a third hole step at the lower part of the liquid passing groove, the movable piston pushes liquid to be discharged from the liquid outlet seat, and filling is realized;

and 4, step 4: continuous filling can be realized by repeating the step 2 and the step 3;

b. the online sterilization method comprises the following steps:

step 1: when normal operation is finished or sterilization treatment is required;

enabling the rotary valve core to move upwards until the fourth shaft step is completely separated from the second hole step, and enabling the second shaft step of the rotary valve core to be in contact with the first sealing ring and form upper sealing;

step 2: the movable piston moves upwards until a fifth shaft step in the movable piston is completely separated from a fourth hole step, and simultaneously a seventh shaft step in the movable piston is contacted with the second sealing ring to form lower sealing;

and step 3: steam for sterilization is introduced through the sterilization inlet seat, the steam enters the pump cavity body ceramic sleeve through the sterilization inlet seat and sequentially passes through the first hole step, the second hole step, the third hole step and the fourth hole step, the steam is discharged through the liquid inlet seat, the liquid outlet seat and the sterilization outlet seat respectively, and the inner wall of the pump cavity body ceramic sleeve, the outer wall of the rotary valve core, the outer wall of the movable piston, the first ceramic joint, the second ceramic joint, the third ceramic joint and the fourth ceramic joint are sterilized.

The invention has the advantages of simple structure, reasonable design, high filling efficiency, time and labor saving and avoidance of secondary pollution, and can carry out online sterilization under the condition of no disassembly.

Drawings

Fig. 1 is a schematic structural view of a pump chamber body according to the present invention.

FIG. 2 is a schematic view of the position and structure of the pump chamber body and the liquid inlet and outlet seats according to the present invention.

Fig. 3 is a schematic structural view of the rotary valve element of the present invention.

Fig. 4 is a schematic structural diagram of the moving piston of the present invention.

FIG. 5 is a schematic view of the structure of the present invention in normal use.

Fig. 6 is a schematic view showing the structure of the liquid inlet and outlet seats of the present invention in cooperation with the first and second lock nuts.

FIG. 7 is a schematic structural view of the present invention during on-line sterilization.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout. For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product.

As shown in fig. 1-7, the invention is a plunger type online sterilization ceramic pump and method, comprising a pump cavity body 1, wherein the outer circumference of the upper part of the pump cavity body 1 is provided with a sterilization inlet seat 4, the outer circumference of the pump cavity body 1 at the lower part of the sterilization inlet seat 4 is provided with a pump cavity body positioning pin 3, the outer circumference of the middle part of the pump cavity body 1 is provided with a liquid inlet seat 6 and a liquid outlet seat 7, and the outer circumference of the lower part of the pump cavity body 1 is provided with a sterilization outlet seat 5; a pump cavity body ceramic sleeve 2 is arranged in the pump cavity body 1; the inner upper part of the pump cavity body ceramic sleeve 2 is provided with a rotary valve core 12 with a rotary valve core connecting piece 11, and the inner lower part of the pump cavity body ceramic sleeve 2 is provided with a movable piston 22 with a movable piston connecting piece 21; the bottom of the rotary valve core 12 is provided with a liquid passing groove 13, and the liquid passing groove 13 is positioned at the same height with the liquid inlet seat 6 and the liquid outlet seat 7; a first hole step 14, a second hole step 15, a third hole step 16, a fourth hole step 17 and a fifth hole step 18 are sequentially arranged in the pump cavity body ceramic sleeve 2 from top to bottom; the rotary valve core 12 is provided with a first shaft step 23, a second shaft step 24, a third shaft step 25 and a fourth shaft step 26 from top to bottom in sequence; the moving piston 22 is sequentially provided with a fifth shaft step 8, a sixth shaft step 9 and a seventh shaft step 10 from top to bottom; the first hole step 14 corresponds to a first shaft step 23, a second shaft step 24 and a third shaft step 25, and the second hole step 15 corresponds to a fourth shaft step 26; the third hole step 16 and the fourth hole step 17 correspond to the fifth shaft step 8; the sterilizing inlet seat 4 is communicated with the upper part of the first hole step 14, the sterilizing outlet seat 5 corresponds to the fifth hole step 18, and the liquid inlet seat 6 and the liquid outlet seat 7 correspond to the second hole step 15 respectively. A first sealing ring 19 is arranged between the inner upper part of the pump cavity body ceramic sleeve 2 and the rotary valve core 12, and a second sealing ring 20 is arranged between the inner lower part of the pump cavity body ceramic sleeve 2 and the movable piston 22. The sterilizing inlet seat 4 is internally provided with a first ceramic joint 27, the sterilizing inlet seat 4 is externally provided with a first locking nut 28, and the first ceramic joint 27 is internally provided with a first sealing gasket 29. The inside of the sterilization outlet seat 5 is provided with a second ceramic joint 30, the outside of the sterilization outlet seat 5 is provided with a second locking nut 31, and the inside of the second ceramic joint 30 is provided with a second sealing gasket 32. The liquid inlet seat 6 is internally provided with a third ceramic joint 33, the outside of the liquid inlet seat 6 is provided with a third locking nut 34, and the inside of the third ceramic joint 33 is provided with a third sealing gasket 35. A fourth ceramic joint 36 is arranged inside the liquid outlet seat 7, a fourth lock nut 37 is arranged outside the liquid outlet seat 7, and a fourth sealing gasket 38 is arranged inside the fourth ceramic joint 36. The pump chamber body ceramic sleeve 2, the rotary valve core 12, the movable piston 22, the first ceramic joint 27, the second ceramic joint 30, the third ceramic joint 33 and the fourth ceramic joint 36 are all made of ceramic materials. The liquid inlet seat 6 and the liquid outlet seat 7 are arranged on the same horizontal height of the outer surface of the pump cavity body 1, and the included angle between the liquid inlet seat 6 and the liquid outlet seat 7 is 60 degrees. The length of the first bore step 14 is less than the sum of the lengths of the first shaft step 23, the second shaft step 24 and the third shaft step 25; the sum of the lengths of the fourth bore step 17 and the fifth bore step 18 is greater than the length of the sixth shaft step 9.

A plunger type online sterilization method for a ceramic pump comprises a normal use method and an online sterilization method:

a. the normal use method comprises the following steps:

step 1: the liquid passing groove 13, the liquid inlet seat 6 and the liquid outlet seat 7 are at the same height, meanwhile, the second hole step 15 and the fourth shaft step 26 of the rotary valve core ceramic 12 are in a sliding sealing matching state, and the fourth hole step 17 and the fifth shaft step 8 in the movable piston 22 are in a sliding sealing matching state;

step 2: the power device drives the rotary valve core 12 to rotate through the rotary valve core connecting piece 11, and when the liquid passing groove 13 is communicated with the liquid inlet seat 6, the liquid outlet seat 7 is in a closed state;

the other power device drives the movable piston 22 to move downwards through the movable piston connecting piece 21, so that negative pressure is formed in the third hole step 16 at the lower part of the liquid passing groove 13, and liquid to be filled is pumped into the third hole step 16 through the liquid inlet seat 6;

and step 3: the power device drives the rotary valve core 12 to rotate through the rotary valve core connecting piece 11, and when the liquid passing groove 13 is communicated with the liquid outlet seat 7, the liquid inlet seat 6 is in a closed state;

the other power device drives the movable piston 22 to move upwards through the movable piston connecting piece 21, so that positive pressure is formed in the third hole step 16 at the lower part of the liquid passing groove 13, the movable piston 22 pushes liquid to be discharged from the liquid outlet seat 7, and filling is realized;

and 4, step 4: continuous filling can be realized by repeating the step 2 and the step 3;

b. the online sterilization method comprises the following steps:

step 1: when normal operation is finished or sterilization treatment is required;

moving the rotary valve core 12 upwards until the fourth shaft step 26 is completely removed from the second hole step 15, and simultaneously, making the second shaft step 24 of the rotary valve core 12 contact with the first sealing ring 19 and form an upper seal;

step 2: the moving piston 22 moves upwards until the fifth shaft step 8 in the moving piston 22 is completely separated from the fourth hole step 17, and simultaneously, the seventh shaft step 10 in the moving piston 22 is contacted with the second sealing ring 20 and forms a lower seal;

and step 3: steam for sterilization is introduced through the sterilization inlet seat 4, the steam enters the pump cavity body ceramic sleeve 2 through the sterilization inlet seat 4 and sequentially passes through the first hole step 14, the second hole step 15, the third hole step 16 and the fourth hole step 17, the steam is discharged from the liquid inlet seat 6, the liquid outlet seat 7 and the sterilization outlet seat 5 respectively, and the inner wall of the pump cavity body ceramic sleeve 2, the outer wall of the rotary valve core 12, the outer wall of the movable piston 22, the first ceramic joint 27, the second ceramic joint 30, the third ceramic joint 33 and the fourth ceramic joint 36 are sterilized.

The present invention will now be further illustrated with reference to examples in order to explain the present invention in more detail. The specific embodiment is as follows: