Nylon energy-saving monomer suction system

Abstract

The utility model provides a chinlon energy-saving monomer suction system which comprises a plurality of suction water tanks and a standby water tank, every two suction water tanks form a unit, and the lower ends of the suction water tanks of each unit are communicated; one of the suction water tanks of each unit is communicated with the standby water tank, the bottom of the suction water tank of each unit is communicated with a water supply main pipe, a circulating water pump is arranged on the water supply main pipe, the water supply main pipe is communicated with a plurality of water supply branch pipes, each water supply branch pipe is communicated with a water return branch pipe in a one-to-one correspondence mode, and the water return branch pipes are communicated with the standby water tank in a one-to-one correspondence mode. A plurality of monomer suction pumps are arranged on the water supply branch pipes, the water return branch pipes are communicated with a water return main pipe, and the water return main pipe is correspondingly communicated with the suction water tanks. The utility model aims to provide the single suction system which is simple in structure, the suction water tanks of all the units are communicated to be standby for each other, and the electric energy consumption in the operation of the single suction system is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to spinning equipment technical field especially relates to a polyamide energy -conserving monomer suction system. BACKGROUND

[0002] Monomer suction is an important process in spinning production, and the main function is to remove monomer and oligomer in the melt during spinning and dissolve into monomer suction water, which can ensure the normal spinning. At present, one set of monomer suction system is equipped for every two production lines, one suction water tank is equipped for each monomer suction system, each monomer suction system is relatively independent, but lacks a standby suction water tank, and once a fault occurs, the product quality will be affected, in addition, the energy consumption is very high, and the additional cost of product is increased.

[0003] Therefore, in order to solve the above problems, an energy -conserving suction system which can increase standby and save energy is urgently needed. SUMMARY

[0004] The utility model solves the technical problem, and the suction water tank of each unit is communicated to make it standby, and the power consumption in the operation of monomer suction system is also reduced.

[0005] The utility model is such a realization that a polyamide energy -conserving monomer suction system, including a plurality of suction water tanks and a standby water tank, every two suction water tanks are a unit, and the lower ends of the suction water tanks of each unit are communicated.

[0006] Further, the water supply branch pipe and the backwater branch pipe of each unit are all four.

[0007] Further, the circulating water pump is provided with a frequency converter.

[0008] Further, a control valve is arranged between the suction water tanks of each unit.

[0009] Further, a control valve is arranged between the suction water tanks of each unit.

[0010] The utility model discloses a advantage lies in: the utility model discloses on the basis of the present, the suction water tank of each unit is connected in series, can be standby for each other, 2, under the condition of satisfying production, the existing every two production line is equipped with a set of single suction device, after increasing the water supply main and the return water main, can be changed into every four line is equipped with a set of single suction device, energy -conserving about 50%, reduces the electric energy consumption in single suction system operation. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further described below in combination with the embodiment with reference to the drawings.

[0012] Figure 1 It is a structure diagram of the utility model one kind nylon energy -conserving single suction system.

[0013] The drawing reference sign explains: suction water tank 1, standby water tank 2, control valve 3, water supply main 4, circulating water pump 5, water supply branch pipe 6, return water branch pipe 7, single suction pump 8, return water main 9. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0015] As Figure 1 The utility model discloses a kind of nylon energy -conserving single suction systems, including several suction water tanks 1 and a standby water tank 2, every two described suction water tank 1 is a unit, the lower end of the suction water tank 1 of each unit is communicated, and the suction water tank 1 between each unit is communicated by setting control valve 3;One of the suction water tank 1 of each unit and the standby water tank 2 are communicated by control valve 3, the bottom of the suction water tank 1 of each unit is communicated with a water supply main 4, the water supply main 4 is equipped with a circulating water pump 5, the circulating water pump 5 is provided with frequency converter;The water supply main 4 is communicated with several water supply branch pipes 6, preferably, the water supply branch pipe 6 of each unit is four, each described water supply branch pipe 6 is communicated with return water branch pipe 7 one by one, and the water supply branch pipe 6 is equipped with several single suction pumps 8, the return water branch pipe 7 is communicated in a return water main 9, the return water main 9 is communicated with the suction water tank 1.

[0016] The suction water tanks 1 of each unit are connected in series, a control valve 3 is arranged in the middle of the connecting pipe, the water of each two suction water tanks 1 is gathered to a water feeding main pipe 4, a circulating water pump 5 is arranged on the water feeding main pipe 4 and a frequency converter is added, four water feeding pipes are arranged behind the circulating water pump 5, water is sent to the single suction pumps 8 of each production line, then the water is returned to a water returning main pipe 9 through water returning branch pipes 7, and finally the water is returned to the respective suction water tanks 1 to realize closed circulation.

[0017] During operation, the control valves 3 between the suction water tanks 1 are opened and connected, the circulating water pump is started, water flows from the suction water tanks 1 to the water feeding main pipe 4, and water feeding to each water feeding branch pipe 6 is started, the pressure is set, the water pressure in each water feeding branch pipe 6 forms negative pressure in the single suction pump 8 to suck and dissolve the monomers and oligomers in the melt into water, and the water is returned to the respective suction water tanks 1 through the water returning branch pipes 7 to realize closed circulation.

[0018] The suction water tanks between the units are connected in series on the basis of the prior art, and can be used as backup for each other; in the case of meeting the production, one set of monomer suction device and one suction water tank are arranged for each two production lines, after the water feeding main pipe 4 and the water returning main pipe 9 are added, one set of monomer suction device can be arranged for each four production lines, energy saving is about 50%, and the power consumption of the monomer suction system during operation is reduced.

[0019] Since the design is initially designed according to one suction water tank and one circulating pipeline for each two production lines, according to years of operation experience, the operation load of each monomer suction water tank is low, and the corresponding energy saving and consumption reduction target is achieved, the four production lines are connected to two suction water tanks through one set of circulating pipeline, more than 50% of energy saving and consumption reduction can be realized after the transformation, and the running motor equipment can also be saved. Before the transformation, the eight production lines consume 57.6 million KWh of electricity per month, and after the transformation, the suction water tank consumes 2.88 million KWh of electricity per month, and it is expected to save 345.6 million KWh of electricity per year (21.8 million yuan per year can be saved).

[0020] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that the specific examples described by us are only illustrative, and are not used to limit the scope of the utility model, equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the utility model should be covered within the scope of the claims of the utility model.

Claims

1. A nylon energy saving monomer suction system characterized by: The utility model discloses a water supply and drainage system of a plurality of suction water tanks and a standby water tank, wherein each two of the suction water tanks is a unit, the lower ends of the suction water tanks of each unit are communicated, one of the suction water tanks of each unit is communicated with the standby water tank, the bottom of the suction water tank of each unit is communicated with a water supply main pipe, a circulating water pump is arranged on the water supply main pipe, a plurality of water supply branch pipes are communicated with the water supply main pipe, each water supply branch pipe is correspondingly communicated with a water return branch pipe, a plurality of single suction pumps are arranged on the water supply branch pipe, the water return branch pipe is communicated with a water return main pipe, and the water return main pipe is correspondingly communicated with the suction water tank.

2. An energy saving monomer pumping system for nylon as claimed in claim 1 wherein: The water supply branch pipe and the water return branch pipe of each unit are four.

3. The energy saving monomer pumping system for nylon according to claim 1, wherein: A frequency converter is arranged on the circulating water pump.

4. The energy saving monomer pumping system for nylon as claimed in claim 1 wherein: A control valve is arranged between the suction water tanks of each unit.

5. The energy saving monomer pumping system for nylon as claimed in claim 1 wherein: A control valve is arranged between one of the suction water tanks of each unit and the standby water tank.

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