Slurry conveying system

Abstract

A slurry conveying system includes a pressurizing unit for making the slurry flow, a machine pipe unit including a plurality of first slurry pipes and a plurality of second slurry pipes, a pipeline unit connecting a slurry feeder and a plurality of forming machines, and a valve unit for controlling the flow direction of the slurry, enabling the slurry to flow between a feed slurry flow state and / or a return slurry flow state. Thus, through the special configuration of the pipeline unit and the valve unit, the forming machines can achieve the purposes of feeding slurry, returning slurry, and discharging sewage while simplifying the components, thereby reducing equipment costs, saving energy and electricity, and improving economic benefits.

Description

Technical Field

[0001] The present invention relates to a conveying system, and particularly to a slurry conveying system. Background Art

[0002] Refer to Figure 1 , a conventional slurry tank structure 1 disclosed in Taiwan, China Patent No. M513896 mainly includes a working area 11 for containing slurry, at least one overflow area 12 communicating with the working area 11 and containing the slurry overflowing from the working area 11, a pumping unit 13 for pumping the slurry in the overflow area 12, a recycling unit 14 for recycling the slurry in the overflow area 12, and an injection unit 15 for reintroducing the recycled slurry into the working area 11. Thereby, a fixed amount of slurry can be maintained in the working area 11.

[0003] However, in order to recycle the overflowing slurry, the slurry tank for containing the slurry in Taiwan, China Patent No. M513896 must be partitioned into a working area 11 and an overflow area 12. In the same space environment, not only will the capacity of the working area 11 be reduced, but in addition to setting an injection unit 15 for introducing the slurry into the working area 11, a pumping unit 13 for pumping the slurry out of the overflow area 12 also needs to be added, which has the disadvantage of high equipment cost.

[0004] To improve the foregoing disadvantages, the applicant of the present case provided a technology for supplying slurry through a single power source and a single slurry pipe in Taiwan, China Patent Application No. 110104647, which has been previously applied for and patented, thereby achieving the purpose of energy saving and cost reduction.

[0005] However, Taiwan, China Patent Application No. 110104647 only supplies slurry to a single slurry bucket. In an environment with multiple slurry buckets, how to achieve the purpose of energy saving and cost reduction with a simple structure is the goal that the applicant of the present case is eager to overcome. Summary of the Invention

[0006] The purpose of the present invention is to provide a slurry conveying system that can reduce equipment costs, save energy and electricity, and improve economic benefits.

[0007] The slurry conveying system of the present invention is used to make the slurry flow between a slurry feeder and a plurality of molding machines. The slurry feeder is used to contain the slurry and includes a slurry supply port and a slurry return port. Each molding machine is used to shape the slurry. The slurry conveying system includes: a pressurizing unit, a machine pipe unit, a pipeline unit, and a valve unit.

[0008] The pressurizing unit is used to make the slurry flow.

[0009] The machine pipe unit is connected to the molding machine and includes a plurality of first slurry pipes and a plurality of second slurry pipes. Each of the first slurry pipes is used to guide the slurry into the corresponding molding machine, and each of the second slurry pipes is used to guide the slurry out of the corresponding molding machine.

[0010] The pipeline unit includes a first pipeline connecting the slurry supply port of the slurry supply machine and the pressurizing unit, a second pipeline communicating the pressurizing unit and the first slurry pipe, a third pipeline communicating the pressurizing unit and the second slurry pipe, and a fourth pipeline communicating the pressurizing unit and the slurry return port of the slurry supply machine.

[0011] The valve unit is used to respectively open or block the flow of the slurry in the corresponding first slurry pipe, the corresponding second slurry pipe, the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline.

[0012] Thereby, the slurry can flow between the feeding flow state and / or the slurry return flow state. In the feeding flow state, the slurry flows from the slurry supply machine towards the corresponding molding machine. In the slurry return flow state, the slurry flows from the corresponding molding machine towards the slurry supply machine.

[0013] In the slurry conveying system of the present invention, the slurry further flows among the slurry supply machine, the molding machine and the sewage disposal machine. Wherein, the pipeline unit further includes a fifth pipeline communicating the pressurizing unit and the sewage disposal machine, and the valve unit is further used to open or block the flow of the slurry in the fifth pipeline, so that the slurry can also flow in the sewage disposal flow state. In the sewage disposal flow state, the slurry flows from the pressurizing unit towards the sewage disposal machine.

[0014] In the slurry conveying system of the present invention, the valve unit includes a plurality of on-off valves, a plurality of first slurry valves, and a plurality of second slurry valves. The on-off valves can open and block the passage of the slurry through the second pipeline, the fourth pipeline, and the fifth pipeline. Each of the first slurry valves can open and block the passage of the slurry through the corresponding first slurry pipe. Each of the second slurry valves can open and block the passage of the slurry through the corresponding second slurry pipe.

[0015] In the slurry conveying system of the present invention, the valve unit further includes a control module, and the control module is used to control the opening or closing of each of the first slurry valves, each of the second slurry valves, and each of the on-off valves.

[0016] For the slurry conveying system of the present invention, the valve unit further includes a switching valve that can open and block the passage of slurry through the first pipeline and the third pipeline. When the switching valve opens to allow slurry to pass through the first pipeline and the second pipeline and blocks the passage of slurry through the third pipeline, the fourth pipeline, and the fifth pipeline, and the first slurry valve opens to allow slurry to pass through the first slurry pipe and the second slurry valve blocks the passage of slurry through the second slurry pipe, the slurry can enter the molding machine from the slurry feeder through the first pipeline, the second pipeline, and the first slurry pipe, and flow in the incoming slurry flow state.

[0017] For the slurry conveying system of the present invention, the valve unit further includes a switching valve that can open and block the passage of slurry through the first pipeline and the third pipeline. When the switching valve opens to allow slurry to pass through the third pipeline and the fourth pipeline and blocks the passage of slurry through the first pipeline and the fifth pipeline, and the first slurry valve blocks the passage of slurry through the first slurry pipe and the second slurry valve opens to allow slurry to pass through the second slurry pipe, the slurry can enter the slurry feeder from the molding machine through the second slurry pipe, the third pipeline, and the fourth pipeline, and flow in the returning slurry flow state.

[0018] For the slurry conveying system of the present invention, the valve unit further includes a switching valve that can open and block the passage of slurry through the first pipeline and the third pipeline. When the switching valve opens to allow slurry to pass through the first pipeline, the second pipeline, and the third pipeline and blocks the passage of slurry through the fourth pipeline and the fifth pipeline, and at least one first slurry valve and at least one second slurry valve respectively open to allow slurry to pass through the corresponding first slurry pipe and the corresponding second slurry pipe, and the remaining first slurry valves and the remaining second slurry valves block the passage of slurry through the corresponding first slurry pipe and the corresponding second slurry pipe, and the at least one first slurry valve and the at least one second slurry valve do not correspond to the same molding machine, the slurry can enter the molding machine corresponding to the at least one first slurry valve from the slurry feeder through the first pipeline, the second pipeline, and the corresponding first slurry pipe, and at the same time flow from the molding machine corresponding to the at least one second slurry valve through the corresponding second slurry pipe and the third pipeline towards the second pipeline, and flow in the incoming slurry flow state and the returning slurry flow state simultaneously.

[0019] For the slurry conveying system of the present invention, the valve unit further includes a switching valve that can open and block the passage of slurry through the first pipeline and the third pipeline. When the switching valve opens to allow slurry to pass through the first pipeline, the third pipeline, and the fifth pipeline and blocks the passage of slurry through the second pipeline and the fourth pipeline, and the first slurry valve blocks the passage of slurry through the first slurry pipe and the second slurry valve opens to allow slurry to pass through the second slurry pipe, the slurry can enter the sewage disposal machine from the molding machine through the second slurry pipe, the third pipeline, and the fifth pipeline, and flow in the sewage disposal flow state.

[0020] In the slurry conveying system of the present invention, when the switching valve opens and the slurry passes through the first pipeline, the second pipeline, the third pipeline and the fifth pipeline, and blocks the slurry from passing through the fourth pipeline, and at least one first slurry valve and at least one second slurry valve open and the slurry passes through the corresponding first slurry pipe and the corresponding second slurry pipe respectively, and the remaining first slurry valves and the remaining second slurry valves block the slurry from passing through the corresponding first slurry pipe and the corresponding second slurry pipe, and the at least one first slurry valve and the at least one second slurry valve do not correspond to the same molding machine, the slurry can enter the molding machine corresponding to the at least one first slurry valve from the slurry feeder through the first pipeline, the second pipeline and the corresponding first slurry pipe, and then enter the sewage disposal machine from the molding machine corresponding to the at least one second slurry valve through the second slurry pipe, the third pipeline and the fifth pipeline, and flow in a sewage disposal flow state.

[0021] In the slurry conveying system of the present invention, the pressurizing unit includes a first pressurizing pump. The first pressurizing pump has a first inlet connected to the first pipeline and a first outlet connected to the second pipeline. The third pipeline is connected to the first pipeline and the second slurry pipe. The fifth pipeline is connected to the second pipeline and the sewage disposal machine. After the slurry in the return slurry flow state passes through the third pipeline, it will first pass through the first pressurizing pump and then enter the second pipeline. After the slurry in the sewage disposal flow state enters the third pipeline or the first pipeline, it will first pass through the first pressurizing pump and then enter the sewage disposal machine from the second pipeline through the fifth pipeline.

[0022] In the slurry conveying system of the present invention, the pressurizing unit includes a first pressurizing pump and a second pressurizing pump. The first pressurizing pump has a first inlet connected to the first pipeline and a first outlet connected to the second pipeline. The second pressurizing pump has a second inlet connected to the third pipeline and a second outlet connected to the fourth pipeline. The fifth pipeline connects the fourth pipeline, the second pipeline and the sewage disposal machine. After the slurry in the return slurry flow state passes through the third pipeline, it will first pass through the second pressurizing pump and then pass through the fourth pipeline. After the slurry in the sewage disposal flow state enters the third pipeline or the first pipeline, the slurry entering the third pipeline will first pass through the second pressurizing pump and then enter the sewage disposal machine from the fourth pipeline through the fifth pipeline. The slurry entering the first pipeline will first pass through the first pressurizing pump and then enter the sewage disposal machine from the second pipeline through the fifth pipeline.

[0023] The slurry conveying system of the present invention is used to make the slurry flow between a slurry feeder and multiple forming machines. The slurry feeder is used to hold the slurry and includes a slurry supply port and a return slurry port. Each of the forming machines is used to shape the slurry and includes a slurry port for the inlet and outlet of the slurry. The slurry conveying system includes: a pressurizing unit, a machine pipe unit, a pipeline unit, and a valve unit.

[0024] The pressurizing unit is used to make the slurry flow.

[0025] The at least one machine pipe unit includes a first slurry pipe and a second slurry pipe. The first slurry pipe is connected to the slurry port of the at least one forming machine, and the second slurry pipe is connected to the first slurry pipe.

[0026] The pipeline unit includes a first pipeline connecting the slurry supply port of the slurry feeder and the pressurizing unit, a second pipeline communicating the pressurizing unit and the first slurry pipe, a third pipeline communicating the pressurizing unit and the second slurry pipe, and a fourth pipeline communicating the pressurizing unit and the return slurry port of the slurry feeder.

[0027] The valve unit is used to respectively open or block the flow of the slurry in the first slurry pipe, the second slurry pipe, the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline.

[0028] Thereby, the slurry can flow between the forward slurry flow state and / or the return slurry flow state. In the forward slurry flow state, the slurry flows from the slurry feeder towards the corresponding forming machine. In the return slurry flow state, the slurry flows from the corresponding forming machine towards the slurry feeder.

[0029] The beneficial effect of the present invention is that: through the special configuration of the pipeline unit and the valve unit, the forming machine can achieve the purpose of forward slurry feeding and return slurry feeding while simplifying the components, thereby reducing equipment costs, saving energy and electricity, and improving economic benefits. Description of the Drawings

[0030] Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein:

[0031] Figure 1 is a schematic diagram showing an existing slurry tank structure disclosed in the patent case with Taiwan, China patent number M513896;

[0032] Figure 2 is a schematic diagram showing the first embodiment of the slurry conveying system of the present invention;

[0033] Figure 3 is an incomplete schematic diagram of the first embodiment for forward slurry feeding;

[0034] Figure 4is an incomplete schematic diagram of the first embodiment for pulp return;

[0035] Figure 5 is an incomplete schematic diagram of the first embodiment for sewage discharge;

[0036] Figure 6 is an incomplete schematic diagram of the first embodiment for both pulp feeding and pulp return;

[0037] Figure 7 is an incomplete schematic diagram of the first embodiment for both pulp product production and sewage discharge;

[0038] Figure 8 is a schematic diagram illustrating a second embodiment of the pulp conveying system of the present invention; and

[0039] Figure 9 is similar to Figure 8 a schematic diagram, but a plurality of second pulp pipes are connected to a plurality of molding machines. Detailed implementation manners

[0040] Refer to Figure 2 , a first embodiment of the pulp conveying system of the present invention, for flowing pulp among a pulp feeder 2, a plurality of molding machines 3, and a sewage discharger 4. The pulp feeder 2 is used to hold pulp and includes a pulp feeding port 21 and a pulp return port 22. Each of the molding machines 3 is used to shape the pulp and includes a pulp port 31 for the inlet and outlet of the pulp. In this embodiment, the pulp is a kind of pulp, which can be shaped into products such as paper racks, paper sheets, paper cups, paper plates, and paper bowls.

[0041] The pulp conveying system includes a pressurizing unit 5, a machine pipe unit 6, a pipeline unit 7, and a valve unit 8.

[0042] The pressurizing unit 5 is used to make the pulp flow and includes a first pressurizing pump 51. The first pressurizing pump 51 has a first inlet 511 for the pulp to enter and a first outlet 512 for the pulp to be discharged.

[0043] In this embodiment, the first pressurizing pump 51 is a pump that converts electrical energy into kinetic energy through a motor.

[0044] The machine pipe unit 6 includes a plurality of first pulp pipes 61 and a plurality of second pulp pipes 62. Each of the first pulp pipes 61 is connected to the pulp port 31 of its corresponding molding machine 3 for guiding the pulp into its corresponding molding machine 3. Each of the second pulp pipes 62 is connected to its corresponding first pulp pipe 61 for guiding the pulp out of its corresponding molding machine 3.

[0045] The pipeline unit 7 includes a first pipeline 71, a second pipeline 72, a third pipeline 73, a fourth pipeline 74 and a fifth pipeline 75.

[0046] The first pipeline 71 is connected to the slurry supply port 21 of the slurry supply machine 2 and the first inlet 511 of the first pressurizing pump 51, thereby communicating the slurry supply machine 2 with the first pressurizing pump 51.

[0047] The second pipeline 72 is connected to the first outlet 512 of the first pressurizing pump 51 and the first slurry pipe 61, thereby communicating the first pressurizing pump 51 with the molding machine 3.

[0048] The third pipeline 73 is connected to the second slurry pipe 62 and the first pipeline 71, and communicates the first pressurizing pump 51 with the molding machine 3 through the first pipeline 71.

[0049] The fourth pipeline 74 is connected to the second pipeline 72 and the slurry return port 22 of the slurry supply machine 2, and communicates the first pressurizing pump 51 with the slurry supply machine 2 through the second pipeline 72.

[0050] The fifth pipeline 75 is connected to the second pipeline 72 and the sewage disposal machine 4, and communicates the first pressurizing pump 51 with the sewage disposal machine 4 through the second pipeline 72.

[0051] The valve unit 8 includes a plurality of switching valves 81, a plurality of first slurry valves 82, a plurality of second slurry valves 83, and a control module 84.

[0052] In this embodiment, there are five switching valves 81 (numbered A - E, denoted as 81(A) - 81(E) in the following text and drawings), which can respectively and openably block the passage of slurry through the first pipeline 71, the second pipeline 72, the third pipeline 73, the fourth pipeline 74, and the fifth pipeline 75.

[0053] Each of the first slurry valves 82 can openably block the passage of slurry through its corresponding first slurry pipe 61.

[0054] Each of the second slurry valves 83 can openably block the passage of slurry through its corresponding second slurry pipe 62.

[0055] In this embodiment, the control module 84 is used to control the switching valve 81(A) on the first pipeline 71, the switching valve 81(B) on the second pipeline 72, the switching valve 81(C) on the third pipeline 73, the switching valve 81(D) on the fourth pipeline 74, the switching valve 81(E) on the fifth pipeline 75, each of the first slurry valves 82, and each of the second slurry valves 83 to be respectively opened or closed, so that the slurry can be in a feeding flow state (such asFigure 3 ) a return pulp flow pattern (such as Figure 4 ) a sewage discharge flow pattern (such as Figure 5 ), the pulp flows between the feed pulp flow pattern and the return pulp flow pattern, and the return pulp flow pattern can coexist with the feed pulp flow pattern. In the feed pulp flow pattern, the pulp flows from the pulp feeder 2 towards the corresponding former 3. In the return pulp flow pattern, the pulp flows from the corresponding former 3 towards the second pipeline 72 and the pulp feeder 2. In the sewage discharge flow pattern, the pulp enters the sewage discharger 4 from the corresponding former 3 through the corresponding second pulp pipe 62, the third pipeline 73, and the fifth pipeline 75.

[0056] In this embodiment, the control module 84 is electrically connected to the switching valve 81, the first pulp valve 82, and the second pulp valve 83, and respectively drives the switching valve 81, the first pulp valve 82, and the second pulp valve 83 through electric power.

[0057] It should be noted that the switching valve 81, the first pulp valve 82, and the second pulp valve 83 are not limited to being driven by electric power. In other variations of this embodiment, they can also be driven by pneumatic power or external force.

[0058] In Embodiment 1, taking a total of 5 formers 3 numbered #1 to #5 and 5 switching valves 81(A) to 81(E) as an example, the following is an explanation of the feed pulp flow pattern, the return pulp flow pattern, the sewage discharge flow pattern, the mixture of the feed pulp flow pattern and the return pulp flow pattern, and the mixture of the feed pulp flow pattern and the sewage discharge flow pattern:

[0059] Table 1:

[0060]

[0061] Referring to Table 1, Figure 2 and Figure 3 , when the control module 84 controls the switching valves 81(A) and 81(B) to open, controls the switching valves 81(C), 81(D), and 81(E) to close, and controls the first pulp valve 82 to open and the second pulp valve 83 to close, the pulp cannot flow from the second pulp pipe 62 towards the first pressure pump 51, but can flow from the pulp feeder 2 through the first pipeline 71, the first pressure pump 51, the second pipeline 72, and the first pulp pipe 61 into the former 3, and flow in the feed pulp flow pattern.

[0062] Table 2:

[0063]

[0064] Referring to Table 2, Figure 2 and Figure 4, when the control module 84 controls the opening of the switching valves 81(B) - 81(D), controls the closing of the switching valves 81(A), 81(E), and controls the closing of the first slurry valve 82 and the opening of the second slurry valve 83, the slurry cannot flow from the slurry feeder 2 towards the molding machine 3, but can flow from the molding machine 3 through a part of the first slurry pipe 61, the second slurry pipe 62, the third pipeline 73, a part of the first pipeline 71, the first pressure pump 51, the second pipeline 72, and the fourth pipeline 74 into the slurry feeder 2, and flows in the return slurry flow state. Thereby, the slurry inside the molding machine 3 can be emptied, facilitating the replacement of the mold for molded pulp.

[0065] Table 3:

[0066]

[0067] Refer to Table 3, Figure 2 and Figure 5 , when the control module 84 controls the opening of the switching valves 81(A), 81(C), 81(E), controls the closing of the switching valves 81(B), 81(D), and the first slurry valve 82 is closed and the second slurry valve 83 is open, the slurry cannot flow from the slurry feeder 2 towards the molding machine 3, but can flow from the molding machine 3 through a part of the first slurry pipe 61, the second slurry pipe 62, the third pipeline 73, a part of the first pipeline 71, the first pressure pump 51, a part of the second pipeline 72, and the fifth pipeline 75 into the sewage disposal machine 4, and simultaneously the slurry can flow from the slurry feeder 2 through the first pipeline 71, the first pressure pump 51, a part of the second pipeline 72, and the fifth pipeline 75 into the sewage disposal machine 4, and flows in the sewage disposal flow state. Thereby, the slurry inside the molding machine 3 and the slurry feeder 2 can be emptied, facilitating the cleaning of the slurry feeder 2 or the molding machine 3 and the replacement of new slurry.

[0068] Table 4:

[0069]

[0070] Refer to Table 4, Figure 2 and Figure 6, when the control module 84 controls the opening of the switching valves 81(A) - 81(C), controls the closing of the switching valves 81(D) - 81(E), and controls the opening of the first slurry valves 82 of the molding machines 3 with corresponding numbers #1, #2, #3 and the opening of the second slurry valves 83 of the molding machines 3 with corresponding numbers #4, #5, while closing the remaining first slurry valves 82 and the remaining second slurry valves 83, the slurry can flow from the slurry feeder 2 through the first pipeline 71, the first pressure pump 51, the second pipeline 72, and the corresponding first slurry pipes 61 into the molding machines 3 with numbers #1, #2, #3. And simultaneously, it can flow from the molding machines 3 with numbers #4, #5 through a part of the first slurry pipe 61, the second slurry pipe 62, the third pipeline 73, a part of the first pipeline 71, the first pressure pump 51 towards the second pipeline 72, and then enter the molding machines 3 with numbers #1, #2, #3 through the corresponding first slurry pipes 61, and flow in the feeding slurry flow state and the returning slurry flow state at the same time. Thus, the production line is in a multi - working state. The molding machines 3 with numbers #1, #2, #3 continuously produce slurry products, while the molding machines 3 with numbers #4, #5 can empty the slurry inside, which is convenient for replacing the molds of the molded pulp.

[0071] Table 5:

[0072]

[0073] When the slurry enters the molding machine 3 from the slurry feeder 2 through the first pipeline 71, the first pressure pump 51, the second pipeline 72, and the first slurry pipe 61 to produce slurry products, if it is necessary to empty the slurry inside some molding machines 3, just as shown in Table 5, Figure 2 and Figure 7 as shown, by controlling the control module 84 to open the switching valves 81(C) and 81(E), control the closing of the switching valves 81(A), 81(B), and 81(D), and control the opening of the first slurry valves 82 of the molding machines 3 with corresponding numbers #1, #2, #3 and the opening of the second slurry valves 83 of the molding machines 3 with corresponding numbers #4, #5, while closing the remaining first slurry valves 82 and the remaining second slurry valves 83, the slurry can flow from the molding machines 3 with numbers #4, #5 through a part of the first slurry pipe 61, the second slurry pipe 62, the third pipeline 73, a part of the first pipeline 71, the first pressure pump 51, a part of the second pipeline 72, and the fifth pipeline 75 into the sewage disposal machine 4, and flow in the sewage disposal flow state. Thus, the production line is in a multi - working state. The molding machines 3 with numbers #1, #2, #3 continue to produce slurry products with the original slurry, while the molding machines 3 with numbers #4, #5 can empty the slurry inside, and without flowing back to the slurry feeder 2, the purposes of sewage disposal, cleaning, and slurry replacement are achieved.

[0074] Refer toFigure 8 , a second embodiment of the slurry conveying system of the present invention, which is substantially the same as the first embodiment, and also includes the pressurizing unit 5, the machine pipe unit 6, the pipeline unit 7, and the valve unit 8. The difference is that:

[0075] The pressurizing unit 5 further includes a second pressurizing pump 52. The second pressurizing pump 52 has a second inlet 521 connected to the third pipeline 73 and a second outlet 522 connected to the fourth pipeline 74.

[0076] And the fifth pipeline 75 of the pipeline unit 7 is connected to the fourth pipeline 74, the second pipeline 72, and the sewage machine 4.

[0077] In this embodiment, there are a total of four switching valves 81 (numbered A to D, represented by 81(A) to 81(D) hereinafter and in the drawings), which can open and block the slurry from passing through the second pipeline 72, the third pipeline 73, the fourth pipeline 74, and the fifth pipeline 75.

[0078] Taking the switching valve 81 with a total of 5 molding machines 3 numbered #1 to #5 and 4 switching valves 81(A) to 81(D) as an example, the following is an explanation of the incoming slurry flow state, the return slurry flow state, the sewage discharge flow state, the incoming slurry flow state mixed with the return slurry flow state, and the incoming slurry flow state mixed with the sewage discharge flow state:

[0079] Table 6:

[0080]

[0081] Refer to Table 6 and Figure 8 , thereby, by the second pressurizing pump 52, the pressurizing effect is improved, so that the slurry can also flow in the aforementioned incoming slurry flow state, return slurry flow state, sewage discharge flow state, incoming slurry flow state and return slurry flow state, and production slurry product and sewage discharge flow state. And when the slurry flows in the return slurry flow state, after the slurry passes through the third pipeline 73, it will first pass through the second pressurizing pump 52 and then pass through the fourth pipeline 74 before entering the slurry supply machine 2.

[0082] When the slurry flows in the sewage discharge flow state, it will enter the sewage machine 4 from the molding machine 3 through a part of the first slurry pipe 61, the second slurry pipe 62, the third pipeline 73, the second pressurizing pump 52, a part of the fourth pipeline 74, and the fifth pipeline 75, and at the same time enter the sewage machine 4 from the slurry supply machine 2 through the first pipeline 71, the first pressurizing pump 51, a part of the second pipeline 72, and the fifth pipeline 75, and flow in the sewage discharge flow state.

[0083] Since those skilled in the art can infer the expansion details based on the above description, no further elaboration will be provided.

[0084] In addition, it should be noted that each of the second slurry pipes 62 is not limited to being connected to its corresponding first slurry pipe 61. In other variations of this embodiment, it can also be connected to its corresponding forming machine 3 as shown, whereby the slurry can also flow in the aforementioned feeding flow state, returning flow state, sewage discharge flow state, feeding and returning flow states, and feeding and sewage discharge flow states. Figure 9 As shown, it is connected to its corresponding forming machine 3, whereby the slurry can also flow in the aforementioned feeding flow state, returning flow state, sewage discharge flow state, feeding and returning flow states, and feeding and sewage discharge flow states.

[0085] Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

[0086] 1. The present invention can enable the slurry to flow among a single slurry feeder 2, multiple forming machines 3, and a single sewage discharger 4 in the aforementioned multi-mode flow states such as feeding flow state, returning flow state, sewage discharge flow state, feeding and returning flow states, and feeding and sewage discharge flow states through the valve unit 8 and the aforementioned special commutation mechanism. Thereby, not only can the structure be simplified, the equipment cost be reduced, energy be saved, but also the space efficiency and production efficiency can be improved.

[0087] 2. The present invention only needs to set at least a single first pressure pump 51, and at most one more second pressure pump 52, so that the slurry can flow in multiple flow states, and the equipment cost can be further reduced.

[0088] The above are only the embodiments of the present invention, and the scope of implementation of the present invention cannot be limited thereby. That is, all simple equivalent changes and modifications made according to the claims and the content of the specification of the present invention still fall within the scope of the present invention.

Claims

1. A slurry conveying system for enabling slurry to flow between a slurry feeder and multiple forming machines, where the slurry feeder is used to hold slurry and includes a slurry supply port and a return slurry port, and each of the forming machines is used to shape the slurry. The slurry conveying system includes: A pressurizing unit for making the slurry flow; A machine pipe unit connected to the forming machine; It is characterized in that: The machine pipe unit includes multiple first slurry pipes and multiple second slurry pipes. Each of the first slurry pipes is used to guide the slurry into its corresponding forming machine, and each of the second slurry pipes is used to guide the slurry out of its corresponding forming machine; The slurry conveying system further includes: A pipeline unit including a first pipeline connecting the slurry supply port of the slurry feeder and the pressurizing unit, a second pipeline communicating the pressurizing unit and the first slurry pipe, a third pipeline communicating the pressurizing unit and the second slurry pipe, and a fourth pipeline communicating the pressurizing unit and the return slurry port of the slurry feeder; And A valve unit for respectively opening or blocking the flow of slurry in the corresponding first slurry pipe, corresponding second slurry pipe, first pipeline, second pipeline, third pipeline, and fourth pipeline; Thereby, the slurry can flow between the incoming slurry flow state and / or the return slurry flow state. In the incoming slurry flow state, the slurry flows from the slurry feeder towards the corresponding forming machine, and in the return slurry flow state, the slurry flows from the corresponding forming machine towards the slurry feeder.

2. The slurry conveying system according to claim 1, wherein: The slurry further flows between the slurry feeder, the forming machine and the sewage disposal machine. Wherein, the pipeline unit further includes a fifth pipeline communicating the pressurizing unit and the sewage disposal machine, and the valve unit is further used to open or block the flow of slurry in the fifth pipeline, so that the slurry can also flow in the sewage disposal flow state. In the sewage disposal flow state, the slurry flows from the pressurizing unit towards the sewage disposal machine.

3. The slurry conveying system according to claim 2, wherein: The valve unit includes multiple on-off valves, multiple first slurry valves, and multiple second slurry valves. The on-off valves can open or block the passage of slurry through the second pipeline, the fourth pipeline, and the fifth pipeline. Each of the first slurry valves can open or block the passage of slurry through its corresponding first slurry pipe. Each of the second slurry valves can open or block the passage of slurry through its corresponding second slurry pipe.

4. The slurry conveying system according to claim 3, wherein: The valve unit further includes a control module for controlling the opening or closing of each of the first slurry valves, each of the second slurry valves, and each of the on-off valves.

5. The slurry conveying system according to claim 3, characterized in that: The valve unit further includes an on-off valve that can open or block the passage of slurry through the first pipeline and the third pipeline. When the on-off valve opens the passage of slurry through the first pipeline and the second pipeline and blocks the passage of slurry through the third pipeline, the fourth pipeline, and the fifth pipeline, and the first slurry valves open the passage of slurry through the first slurry pipes and the second slurry valves block the passage of slurry through the second slurry pipes, the slurry can enter the forming machine from the slurry feeder through the first pipeline, the second pipeline, and the first slurry pipes and flow in the incoming slurry flow state.

6. The slurry conveying system according to claim 3, wherein: The valve unit further includes a switching valve that can open and block the passage of the slurry through the first pipeline and the third pipeline. When the switching valve opens the passage of the slurry through the third pipeline and the fourth pipeline, and blocks the passage of the slurry through the first pipeline and the fifth pipeline, and the first slurry valve blocks the passage of the slurry through the first slurry pipe, and the second slurry valve opens the passage of the slurry through the second slurry pipe, the slurry can enter the slurry supply machine from the molding machine through the second slurry pipe, the third pipeline, and the fourth pipeline, and flow in the form of the return slurry flow state.

7. The slurry conveying system according to claim 3, wherein: The valve unit further includes a switching valve that can open and block the passage of the slurry through the first pipeline and the third pipeline. When the switching valve opens the passage of the slurry through the first pipeline, the second pipeline, and the third pipeline, and blocks the passage of the slurry through the fourth pipeline and the fifth pipeline, and at least one first slurry valve and at least one second slurry valve respectively open the passage of the slurry through the corresponding first slurry pipe and the corresponding second slurry pipe, and the remaining first slurry valves and the remaining second slurry valves block the passage of the slurry through the corresponding first slurry pipe and the corresponding second slurry pipe, and the at least one first slurry valve and the at least one second slurry valve do not correspond to the same molding machine, the slurry can enter the molding machine corresponding to the at least one first slurry valve from the slurry supply machine through the first pipeline, the second pipeline, and the corresponding first slurry pipe, and at the same time, the slurry can flow from the molding machine corresponding to the at least one second slurry valve through the corresponding second slurry pipe and the third pipeline towards the second pipeline, and flow in the form of the incoming slurry flow state and the return slurry flow state at the same time.

8. The slurry conveying system according to claim 3, wherein: The valve unit further includes a switching valve that can open and block the passage of the slurry through the first pipeline and the third pipeline. When the switching valve opens the passage of the slurry through the first pipeline, the third pipeline, and the fifth pipeline, and blocks the passage of the slurry through the second pipeline and the fourth pipeline, and the first slurry valve blocks the passage of the slurry through the first slurry pipe, and the second slurry valve opens the passage of the slurry through the second slurry pipe, the slurry can enter the sewage disposal machine from the molding machine through the second slurry pipe, the third pipeline, and the fifth pipeline, and flow in the form of the sewage disposal flow state.

9. The slurry conveying system according to claim 3, wherein: When the switching valve opens the passage of the slurry through the first pipeline, the second pipeline, the third pipeline, and the fifth pipeline, and blocks the passage of the slurry through the fourth pipeline, and at least one first slurry valve and at least one second slurry valve open the passage of the slurry through the corresponding first slurry pipe and the corresponding second slurry pipe respectively, and the remaining first slurry valves and the remaining second slurry valves block the passage of the slurry through the corresponding first slurry pipe and the corresponding second slurry pipe, and the at least one first slurry valve and the at least one second slurry valve do not correspond to the same molding machine, the slurry can enter the molding machine corresponding to the at least one first slurry valve from the slurry supply machine through the first pipeline, the second pipeline, and the corresponding first slurry pipe, and then enter the sewage disposal machine from the molding machine corresponding to the at least one second slurry valve through the second slurry pipe, the third pipeline, and the fifth pipeline, and flow in the form of the sewage disposal flow state.

10. The slurry conveying system according to claim 8 or 9, characterized in that: The pressurizing unit includes a first pressurizing pump, the first pressurizing pump having a first inlet connected to the first pipeline and a first outlet connected to the second pipeline, and the third pipeline being connected to the first pipeline and the second slurry pipeline, the fifth pipeline being connected to the second pipeline and the sewage disposal machine, and after the slurry in the return slurry flow state passes through the third pipeline, it will first pass through the first pressurizing pump before entering the second pipeline. After the slurry in the sewage flow state enters the third pipeline or the first pipeline, it will first pass through the first pressurizing pump and then enter the sewage disposal machine from the second pipeline via the fifth pipeline.

11. The slurry conveying system according to claim 8 or 9, characterized in that: The pressurizing unit includes a first pressurizing pump and a second pressurizing pump. The first pressurizing pump has a first inlet connected to the first pipeline and a first outlet connected to the second pipeline. The second pressurizing pump has a second inlet connected to the third pipeline and a second outlet connected to the fourth pipeline. The fifth pipeline connects the fourth pipeline, the second pipeline and the sewage disposal machine. After the slurry in the return slurry flow state passes through the third pipeline, it will first pass through the second pressurizing pump before passing through the fourth pipeline. After the slurry in the sewage flow state enters the third pipeline or the first pipeline, the slurry entering the third pipeline will first pass through the second pressurizing pump and then enter the sewage disposal machine from the fourth pipeline via the fifth pipeline. The slurry entering the first pipeline will first pass through the first pressurizing pump and then enter the sewage disposal machine from the second pipeline via the fifth pipeline.

12. A slurry conveying system for enabling slurry to flow between a slurry supply machine and at least one forming machine. The slurry supply machine is used to hold slurry and includes a slurry supply port and a return slurry port. The at least one forming machine is used to shape the slurry and includes slurry ports for slurry inlet and outlet. The slurry conveying system comprises: A pressurizing unit for enabling the slurry to flow; At least one machine pipeline unit communicated with the forming machine; It is characterized in that: The at least one machine pipeline unit includes a first slurry pipeline and a second slurry pipeline. The first slurry pipeline is connected to the slurry port of the at least one forming machine, and the second slurry pipeline is connected to the first slurry pipeline; The slurry conveying system further comprises: A pipeline unit including a first pipeline connecting the slurry supply port of the slurry supply machine and the pressurizing unit, a second pipeline communicated with the pressurizing unit and the first slurry pipeline, a third pipeline communicated with the pressurizing unit and the second slurry pipeline, and a fourth pipeline communicated with the pressurizing unit and the return slurry port of the slurry supply machine; And A valve unit for respectively opening or blocking the flow of slurry in the first slurry pipeline, the second slurry pipeline, the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline; Thereby, enabling the slurry to flow between the feed slurry flow state and / or the return slurry flow state. In the feed slurry flow state, the slurry flows from the slurry supply machine towards the corresponding forming machine. In the return slurry flow state, the slurry flows from the corresponding forming machine towards the slurry supply machine.

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