CN220748471U - Discharging pump and biogas residue and biogas slurry discharging device - Google Patents

Abstract

The utility model provides a discharge pump and a biogas residue and biogas slurry discharge device, wherein the discharge pump comprises a mounting structure, an outer cylinder and a hydraulic cylinder. The mounting structure comprises a front mounting plate, a rear mounting plate and mounting seats, wherein the front mounting plate and the rear mounting plate are fixed at two ends of the mounting seats, and at least two connecting beams are arranged between the front mounting plate and the rear mounting plate. The outer cylinder is fixedly connected to the front mounting plate. The rear end of the cylinder body of the hydraulic cylinder is arranged on the rear mounting plate, a piston rod of the hydraulic cylinder extends into the outer cylinder, and the piston rod drives the piston head to reciprocate back and forth in the outer cylinder. According to the discharging pump, the mounting structure is formed by adopting the detachable structure such as the mounting plate and the like, and the hydraulic cylinder directly moves in the outer cylinder, so that the whole weight can be reduced, the material consumption is reduced, the time required by one-time discharging is shortened, the discharging efficiency is improved, the maintenance and the replacement can be facilitated, and the cost is reduced.

Description

Discharging pump and biogas residue and biogas slurry discharging device

Technical Field

The utility model relates to a dry anaerobic fermentation system in the technical field of biogas production, in particular to a discharge pump and a device for discharging biogas residues and biogas slurry.

Background

In the existing dry anaerobic fermentation system field, the impurity discharge form after the reaction is finished is mainly pushed by using a discharge pump such as a double-cylinder plunger pump, and the alternating actions of sucking and discharging are finished through the vacuum volume change generated by the reciprocating movement of the piston of the double-cylinder plunger pump.

The double-plunger pump structure comprises a pump body, plungers, valves and the like. Two plungers are arranged in the pump body and are connected through a connecting rod; the pump body top has a inlet and a liquid outlet, and the inlet passes through a valve and links to each other with the liquid accumulator, and the liquid outlet passes through another valve and links to each other with liquid pipeline. However, in the double-plunger pump, due to the arrangement of two plungers, a connecting rod and the like, the volume is large, the weight is large, the structure is relatively complex, a large amount of fiber materials in biogas residues and biogas slurry are easy to wind on the plungers or the connecting rod, and the mechanical energy loss of the plunger pump is large; meanwhile, when the plunger pump fails, maintenance cannot be completed in a short time, maintenance and replacement are inconvenient, and the cost is high.

Disclosure of Invention

The utility model aims to overcome at least one defect of the prior art and provide a discharge pump and a biogas residue and biogas slurry discharge device which can reduce the overall weight, reduce the material consumption and facilitate maintenance and replacement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, there is provided a discharge pump including a mounting structure, an outer cylinder, and a hydraulic cylinder. The mounting structure comprises a front mounting plate, a rear mounting plate and mounting seats, wherein the front mounting plate and the rear mounting plate are fixed at two ends of the mounting seats, and at least two connecting beams are arranged between the front mounting plate and the rear mounting plate. The outer cylinder is fixedly connected to the front mounting plate. The rear end of the cylinder body of the hydraulic cylinder is mounted on the rear mounting plate, a piston rod of the hydraulic cylinder extends into the outer cylinder, and the piston rod drives a piston head of the hydraulic cylinder to reciprocate back and forth in the outer cylinder.

According to one embodiment of the utility model, the mounting structure further comprises a cover plate, the cover plate is covered on the connecting beam, and a handle is arranged on the cover plate.

According to one embodiment of the present utility model, the mounting structure further includes side plates disposed at both sides of the mounting seat and contacting the connection beam.

According to one embodiment of the utility model, the piston head comprises a front piston head and a rear piston head which are detachably connected together, and a head sealing structure is arranged between the front piston head and the inner wall of the outer cylinder.

According to one embodiment of the utility model, a lubricating oil tank is arranged at the rear end part of the outer cylinder in a butt joint mode, the piston rod penetrates through the lubricating oil tank, and an oil filling port is arranged on the lubricating oil tank.

According to one embodiment of the utility model, a rod sealing structure is arranged between the lubricating oil tank and the piston rod.

According to one embodiment of the utility model, the stem seal structure includes a front combination seal and a rear combination seal.

According to one embodiment of the utility model, the mounting seat is provided with a supporting frame, and the supporting frame supports the lubricating oil tank.

According to one embodiment of the utility model, the outer cylinder is made of Q345B carbon steel, the surface of the inner wall of the outer cylinder is provided with an anti-corrosion material, and the outer wall of the outer cylinder is provided with a bracket for supporting the outer cylinder.

According to another aspect of the utility model, there is provided a biogas residue and biogas slurry discharging device comprising a horizontal channel, a vertical channel communicating with the horizontal channel, and the above-mentioned discharging pump. The feeding valve is arranged on the vertical material channel, the discharging pump is arranged at one end of the horizontal material channel, and the discharging valve is arranged at the other end of the horizontal material channel.

According to the technical scheme, the discharging pump provided by the utility model has the advantages and positive effects that:

the utility model provides a discharge pump which comprises a mounting structure, an outer cylinder and a hydraulic cylinder. The mounting structure comprises a front mounting plate, a rear mounting plate and mounting seats, wherein the front mounting plate and the rear mounting plate are fixed at two ends of the mounting seats, and at least two connecting beams are arranged between the front mounting plate and the rear mounting plate. The outer cylinder is fixedly connected to the front mounting plate. The rear end of the cylinder body of the hydraulic cylinder is arranged on the rear mounting plate, and the front end of the hydraulic cylinder extends into the outer cylinder. The piston rod of the hydraulic cylinder drives the piston head to reciprocate back and forth in the outer cylinder. According to the utility model, the hydraulic cylinder and the outer cylinder are mounted by adopting a mounting structure formed by a detachable structure such as a mounting plate and the like, and the hydraulic cylinder directly moves in the outer cylinder, so that the volume of the discharge pump can be reduced, the weight of the discharge pump is reduced, the maintenance and the replacement are convenient, and the cost is reduced; in the process of sucking and discharging, only the piston rod moves in a reciprocating manner, hydraulic pressure is almost used for sucking and discharging, the action replacement cycle of sucking and discharging can be quickened, and the production efficiency is improved.

Drawings

Various objects, features and advantages of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the utility model, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the utility model and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:

fig. 1 is a schematic perspective view of a discharge pump according to the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic structural view of another embodiment of the discharge pump of the present utility model.

Fig. 4 is a cross-sectional view of fig. 3.

Fig. 5 is a schematic structural view (mounting structure omitted) of a third embodiment of the discharge pump of the present utility model.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a schematic structural view of a biogas residue/slurry discharging device according to the present utility model.

The reference numerals are explained as follows:

100. a discharge pump;

101. a mounting structure;

1011. a front mounting plate;

1012. a rear mounting plate;

1013. a mounting base;

1014. a connecting beam;

1015. a cover plate;

1016. a side plate;

1017. a handle;

102. an outer cylinder;

103. a hydraulic cylinder;

1031. a cylinder;

1032. a piston rod;

1033. a piston head;

201. a front piston head;

202. a rear piston head;

203. a head sealing structure;

104. a lubrication oil tank;

1041. an oil filling port;

501.502. a bracket;

600. a rod sealing structure;

601. front combined sealing;

602. sealing after combination;

200. a horizontal material channel;

201. a discharge valve;

300. a vertical material channel;

301. and a feed valve.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model are described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and drawings are intended to be illustrative in nature and not to be limiting.

In the following description of various exemplary embodiments of the utility model, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the utility model may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present utility model. When introducing elements/components/etc. that are described and/or illustrated herein, the terms "first," "second," and "third," etc. are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc., in addition to the listed elements/components/etc. Although the terms "upper", "lower", "between", etc. may be used in this specification to describe various exemplary features and elements of the utility model, these terms are used herein for convenience only, e.g., in terms of the orientation of the examples depicted in the drawings. Nothing in this specification should be construed as requiring a particular three-dimensional orientation of the structure in order to fall within the scope of the utility model.

As shown in fig. 1 to 2, the discharge pump 100 of the present utility model includes a mounting structure 101, an outer cylinder 102, and a hydraulic cylinder 103. The mounting structure 101 includes a front mounting plate 1011, a rear mounting plate 1012, and a mounting block 1013, the front mounting plate 1011 and the rear mounting plate 1012 are fixed to both ends of the mounting block 1013, and at least two connection beams 1014 are provided between the front mounting plate 1011 and the rear mounting plate 1012. The outer cylinder 102 is fixedly connected to the front mounting plate 1011. The rear end of the cylinder body 1031 of the hydraulic cylinder 103 is mounted on the rear mounting plate 1012, a piston rod 1032 of the hydraulic cylinder 103 extends into the outer cylinder 102, and the piston rod 1032 drives the piston head 1033 to reciprocate back and forth in the outer cylinder 102. In the present utility model, the direction "front" refers to the direction in which the piston head 1033 moves away from the rear mounting plate 1012, and "rear" refers to the direction in which the piston head 1033 moves closer to the rear mounting plate 1012.

The discharge pump 100 of the utility model adopts a detachable structure such as a mounting plate to form the mounting structure 101 for mounting the hydraulic cylinder 103 and the outer cylinder 102, and the hydraulic cylinder 103 directly moves in the outer cylinder 102, so that the volume of the discharge pump 100 can be reduced, the weight of the discharge pump 100 can be reduced, and the maintenance is convenient.

In this embodiment, a lubrication oil tank 104 is butt-mounted at the rear end of the outer cylinder 102, a piston rod 1032 penetrates through the lubrication oil tank 104, and an oil filling port 1041 is provided in the lubrication oil tank 104. The lubricating oil tank 104 is arranged at the rear end part of the outer cylinder 102, so that a lubricating oil film can be formed on the surface of the piston rod 1032, the back-and-forth reciprocating motion of the piston rod 1032 is smoother, the resistance generated by the reciprocating motion of the piston rod 1032 in the material sucking and discharging process of the material discharging pump 100 can be reduced, and the pressure utilization rate of the material discharging pump 100 is improved.

As shown in fig. 3 to 4, in another embodiment of the discharge pump 100 of the present utility model, the mounting structure 101 further includes a cover plate 1015, the cover plate 1015 is covered on the connection beam 1014, and a handle 1017 is provided on the cover plate 1015. The cover plate 1015 is provided on the connection beam 1014 of the mounting structure 101, so that the hydraulic cylinder 1031 can be protected, and the cylinder 1031 can be prevented from being injured by falling objects above the device. The cover 1015 is provided with a handle 1017 for easy installation, disassembly and replacement.

In this embodiment, the mounting structure 101 further includes side plates 1016, and the side plates 1016 are disposed on both sides of the mounting base 1013 and contact the connection beam 1014. The provision of the side plates 1016 can further enhance the rigidity and strength of the mounting structure 101. The materials of the side plate 1016 and the cover plate 1015 can be light materials such as aluminum alloy. Although the cap plate 1015 and the side plate 1016 are present at the same time in the present embodiment, the mounting structure 101 may be provided with only the cap plate 1015, or may be provided with only the side plate 1016, or may be provided with two side plates 1016, or may be provided with one side plate.

As shown in fig. 5 to 6, in a third embodiment of the discharge pump 100 of the present utility model in which the outer wall of the outer cylinder 102 is provided with brackets 501, 502 for supporting the outer cylinder 102, the mounting structure 101 may be the mounting structure of fig. 1 to 2 or the mounting structure of fig. 3 to 4. The support 501 and 502 are arranged below the outer barrel 102, so that the outer barrel 102 can be prevented from sagging and tilting in the working process of the discharge pump 100, the back-and-forth reciprocating motion of the piston rod 1032 is prevented, the stability of the discharge pump 100 is not facilitated, the inner wall of the outer barrel 102 is seriously worn in the structural motion process of the piston head 1033 and the like due to the tilting of the outer barrel 102, and the service life of the outer barrel 102 is shortened. The bracket can be arranged in one or a plurality of the brackets.

In the above embodiment, the piston head 1033 includes the front piston head 201 and the rear piston head 202 detachably connected together, and the head seal structure 203 is provided between the front piston head 201 and the inner wall of the outer cylinder 102. Because the piston head 1033 is always contacted with biogas residues and biogas slurry in the process of sucking and discharging, the piston head 1031 is easy to be corroded to cause damage, and the front piston head 201 and the rear piston head 202 which are detachably connected together are designed as the piston head 1031, so that only the front piston head 201 can be replaced during maintenance, and the method is convenient and beneficial to reducing the cost. A head sealing structure 203 is provided between the front piston head 201 and the inner wall of the outer cylinder 102, mainly to seal the gap between the front piston head 1033 and the inner wall of the outer cylinder 102, and prevent leakage of biogas residues and biogas slurry.

In the above embodiment, the rod sealing structure 600 is provided between the oil tank 104 and the piston rod 1032, and the rod sealing structure 600 is provided between the oil tank 104 and the piston rod 1032, so that leakage of oil during reciprocation of the piston rod 1032 can be prevented.

In the above embodiment, the stem seal structure 600 includes the front combination seal 601 and the rear combination seal 602. The arrangement of the front combined seal 601 and the rear combined seal 602 can further enhance the anti-seepage effect of lubricating oil, the front combined seal 601 can prevent the lubricating oil from leaking to the piston head direction, and the rear combined seal 602 can prevent the lubricating oil from leaking to the cylinder body of the hydraulic cylinder.

In the above embodiment, the mount 1013 is provided with a support frame that supports the lubricant tank. The support frame is not shown in the figure, and the support frame can support the lubricating oil tank, prevents that the piston rod from dragging the lubricating oil tank and leading to the lubricating oil tank slope in the motion process, and the slope of lubricating oil tank further aggravates the resistance of piston rod motion for the piston rod further dragging the lubricating oil tank, forms vicious circle, leads to the damage of lubricating oil tank and piston rod.

In the above embodiment, the outer cylinder is made of Q345B carbon steel, and the inner wall surface of the outer cylinder is provided with an anti-corrosion material. The price of the stainless steel material is about 2-3 times of that of the carbon steel material, the cost of the outer cylinder made of Q345B carbon steel material is much lower than that of the stainless steel material, and the cost can be saved. The anti-corrosion material arranged on the inner surface of the outer cylinder can be formed by secondary surface chromium plating grinding after processing, and the use of the chromium plating surface can prevent corrosion and can enable the precision of the sealing surface to be higher. The rear piston head can also be made of Q345B carbon steel.

As shown in fig. 7, the utility model further provides a biogas residue and biogas slurry discharging device, which comprises a horizontal material channel 200, a vertical material channel 300 communicated with the horizontal material channel 200, and the discharging pump 100, wherein a feeding valve 301 is arranged on the vertical material channel 300, one end of the horizontal material channel 200 is provided with the discharging pump 100, and the other end is provided with a discharging valve 201.

The foregoing is a detailed description of several exemplary embodiments of the present disclosure of a discharge pump, and exemplary description of the installation and use of the present disclosure of a discharge pump will be provided.

Referring to fig. 1 to 7, the use process of the discharge pump provided by the utility model is as follows:

the discharge pump 100 is installed at one end of the horizontal material channel 200, in the process of sucking biogas residues and biogas slurry, the piston rod 1032 drives the piston head 1033 to move backwards from the forefront end of the discharge pump 100, at the moment, the feed valve 301 of the vertical material channel 300 is opened, the discharge valve 201 of the horizontal material channel 200 is closed, and in the process of moving the piston head 1033, the biogas residues and the biogas slurry are sucked by the vertical material channel 300 until the piston head 1033 moves to the rearmost end of the discharge pump 100, and the suction is completed.

Then the feeding valve 301 is closed, the discharging valve 201 on the horizontal material channel 200 is opened, the piston rod 1032 drives the piston head 1033 to move forward, and the previously sucked biogas residues and biogas slurry are extruded and pushed forward and discharged from the discharging valve 201 along the horizontal material channel 200 for discharging. When the piston rod 1032 drives the piston head 1033 to move to the forefront end, the discharging pump 100 discharges all the biogas residues and biogas slurry sucked before, and discharging is completed.

Then the discharge valve 201 is closed, the feed valve 301 is opened, and the piston rod 1032 drives the piston head 1033 to move backward from the forefront end of the discharge pump 100, so as to perform the next suction operation.

Through the use process of the discharge pump 100, the discharge pump of the utility model can be obtained, the mounting structure 101 is formed by adopting the detachable structure such as the mounting plate and the like to mount the hydraulic cylinder 103 and the outer cylinder 102, the hydraulic cylinder 103 directly moves in the outer cylinder 102, the volume of the discharge pump 100 can be reduced, the weight of the discharge pump 100 is reduced, only the piston rod 1032 reciprocates in the material sucking and discharging process, the hydraulic pressure is almost used for sucking and discharging, the action replacement cycle of sucking and discharging can be accelerated, and the production efficiency is improved.

In summary, the discharge pump 100 according to the present utility model includes a mounting structure 101, an outer cylinder 102, and a hydraulic cylinder 103. The mounting structure 101 includes a front mounting plate 1011, a rear mounting plate 1012, and a mounting block 1013, the front mounting plate 1011 and the rear mounting plate 1012 are fixed to both ends of the mounting block 1013, and at least two connection beams 1014 are provided between the front mounting plate 1011 and the rear mounting plate 1012. Adopt detachable structure such as mounting panel to form mounting structure, can reduce the volume of discharge pump, alleviate the weight of discharge pump. Is convenient for maintenance and replacement and reduces the cost.

The outer cylinder 1020 is fixedly connected to the front mounting plate 1011, the rear end of the cylinder 1031 of the hydraulic cylinder 103 is mounted to the rear mounting plate 1012, and the front end extends into the outer cylinder 102. The piston rod 1032 of the hydraulic cylinder 103 drives the piston head 1033 to reciprocate back and forth within the outer cylinder 102. The hydraulic cylinder directly moves in the outer cylinder, only the piston rod 1032 reciprocates in the process of sucking and discharging, the hydraulic pressure is almost used for sucking and discharging, the action replacement cycle of sucking and discharging can be quickened, and the production efficiency is improved.

The biogas residue and biogas slurry discharging device provided by the utility model comprises a horizontal material channel 200, a vertical material channel 300 communicated with the horizontal material channel 200 and the discharging pump 100, wherein the vertical material channel 300 is provided with a feeding valve 301, one end of the horizontal material channel 200 is provided with the discharging pump 100, and the other end of the horizontal material channel 200 is provided with a discharging valve 201. The discharging pump 100, the feeding valve 301 and the discharging valve 201 are matched with each other to complete the material sucking and discharging, the material sucking and discharging actions are faster, the production efficiency is high, the whole device is light in weight, the used materials are few, the service life is long, and the cost is low.

In this exemplary embodiment, the discharge pump according to the present utility model is described as being applied to a biogas slurry and residue device. Those skilled in the art will readily appreciate that many modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to adapt the relevant designs of the present utility model to others, and such changes remain within the principles of the discharge pump set forth herein.

It should be noted herein that the discharge pumps shown in the drawings and described in this specification are only a few examples of the wide variety of discharge pumps that can employ the principles of the present utility model. It should be clearly understood that the principles of the present utility model are in no way limited to any of the details of the discharge pump or any of the components of the dispenser shown in the drawings or described in this specification.

Exemplary embodiments of the discharge pump set forth in the present utility model are described and/or illustrated in detail above. Embodiments of the utility model are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or each step of one embodiment may also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. that are described and/or illustrated herein, the terms "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc.

Embodiments of the utility model are not limited to the specific embodiments described herein, but rather, components of each embodiment may be utilized independently and separately from other components described herein. Each component of one embodiment may also be used in combination with other components of other embodiments. In the description of the present specification, the terms "one embodiment," "some embodiments," "other embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the examples, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the terms in the embodiments can be understood by those of ordinary skill in the art according to the specific circumstances.

While the discharge pump of the present utility model has been described in terms of various specific embodiments, those skilled in the art will recognize that the utility model can be practiced with modification within the spirit and scope of the claims.

Claims (10)

1. A discharge pump, comprising:

the mounting structure comprises a front mounting plate, a rear mounting plate and a mounting seat, wherein the front mounting plate and the rear mounting plate are fixed at two ends of the mounting seat, and at least two connecting beams are arranged between the front mounting plate and the rear mounting plate;

the outer barrel is fixedly connected to the front mounting plate;

the rear end of the cylinder body of the hydraulic cylinder is mounted on the rear mounting plate, a piston rod of the hydraulic cylinder stretches into the outer cylinder, and the piston rod drives a piston head of the hydraulic cylinder to reciprocate back and forth in the outer cylinder.

2. The discharge pump of claim 1, wherein the mounting structure further comprises a cover plate covering the connecting beam, and a handle is disposed on the cover plate.

3. The discharge pump of claim 1, wherein the mounting structure further comprises side plates disposed on either side of the mounting base and in contact with the connecting beam.

4. The discharge pump of claim 1 wherein the piston head comprises a front piston head and a rear piston head removably connected together, a head seal being provided between the front piston head and the inner wall of the outer barrel.

5. The discharge pump as claimed in any one of claims 1 to 4, wherein a lubrication tank is butt-mounted at the rear end of the outer cylinder, the piston rod passing through the lubrication tank, and an oil filling port is provided in the lubrication tank.

6. The discharge pump as recited in claim 5 wherein a rod seal is provided between the lubricant tank and the piston rod.

7. The discharge pump of claim 6, wherein the rod seal structure comprises a front combination seal and a rear combination seal.

8. The discharge pump of claim 5, wherein the mounting base is provided with a support bracket that supports the lubricant tank.

9. The discharge pump as claimed in any one of claims 1 to 4 and 6 to 8, wherein the outer cylinder is made of Q345B carbon steel, an anti-corrosion material is provided on an inner wall surface of the outer cylinder, and a bracket for supporting the outer cylinder is provided on an outer wall of the outer cylinder.

10. A biogas residue and biogas slurry discharging device, comprising a horizontal material channel, a vertical material channel communicated with the horizontal material channel, and a discharging pump as claimed in any one of claims 1-9, wherein a feeding valve is arranged on the vertical material channel, one end of the horizontal material channel is provided with the discharging pump, and the other end of the horizontal material channel is provided with a discharging valve.