CN218485170U

CN218485170U - High vacuum hydraulic ejector for sucking and discharging steam condensate of evaporation concentrator

Info

Publication number: CN218485170U
Application number: CN202222388738.2U
Authority: CN
Inventors: 黄世安; 余松; 王益强
Original assignee: Xiangyu Biotechnology Yueyang Co ltd
Current assignee: Xiangyu Biotechnology Yueyang Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-02-17
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a high vacuum hydraulic ejector for sucking and discharging steam condensate of an evaporation concentrator, which is structurally characterized in that a water inlet is arranged above a hydraulic chamber cavity, the hydraulic chamber cavity is connected with a nozzle plate by a flange, a plurality of nozzles are arranged on the nozzle plate, the nozzle plate is fixed on the upper part of the vacuum chamber cavity, the lower part of the vacuum chamber cavity is connected with the upper part of a collecting port by a flange, the lower part of the collecting port is sequentially connected with a choke and a diffusion tube into a whole, and a plurality of steam guide plates are respectively arranged in the vacuum chamber cavity; the last-effect secondary steam inlet is arranged at the upper end of the vacuum chamber cavity, and all the secondary steam condensate water suction ports are arranged on the side wall of the lower end of the vacuum chamber cavity and do not influence the position of the nozzle for jetting water power. The utility model discloses vacuum hydraulic ejector hydraulic power sprays vacuum and reaches-0.08 MPa- ~ -0.09MPa, but all high temperature secondary vapour condensate of various effects in the suction end effect secondary vapour simultaneously suction multiple effect evaporation concentration, change usually with pump suction vapour condensate to the system outside, maintain the working method that evaporation concentration goes on in succession, do not have mechanical operation, simple structure, power consumptive maintenance that does not need.

Description

High vacuum hydraulic ejector for sucking and discharging steam condensate of evaporation concentrator

Technical Field

The utility model relates to a wide application has the effect hydraulic ejector as an organic whole such as evacuation, concentration, condensation, drainage in vacuum and vaporization system, especially a high vacuum hydraulic ejector who inhales row evaporative concentrator vapor condensate water.

Background

In the process of vacuumizing, evaporating and concentrating materials, a hydraulic ejector is usually used for vacuumizing, concentrating, condensing, draining and the like so that vacuum concentration can be continuously carried out, but high-temperature steam condensate of an evaporation concentrator can be pumped out of a system by a water pump to maintain normal operation, and the water pump works at high temperature for a long time to easily cause rubber aging damage and mechanical abrasion of a mechanical seal, so that vacuum leakage and water drainage cannot be carried out, normal operation of concentration is influenced, and much electric energy is consumed. Under the condition, the problem that high-temperature steam condensate can be continuously discharged out of a system without mechanical operation equipment such as a water pump is solved, so that the vacuum concentration can be operated in a more efficient and energy-saving mode.

Patent 201120198527.1 discloses a high vacuum hydraulic ejector installed at an ultra-low position, water flow with certain pressure passes through a plurality of trumpet-shaped nozzles which are precisely processed and have small diameters, the water flow is ejected and gathered to form a hydraulic ejection focus at a throat part, and the diameter of a throat pipe is smaller than that of the throat part of a common equivalent ejector, so that the high vacuum hydraulic ejector has very strong capacity of resisting external atmospheric pressure, the installation height is only about 1.5 m, a mounted high-level difference is not needed, a check valve body for preventing water from pouring is not needed, the high vacuum hydraulic ejector can normally and continuously work under the high vacuum condition of-0.085 MPa to-0.094 MPa, and the high vacuum hydraulic ejector has the problems that steam condensate cannot be sucked and an external water pump is needed for sucking.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is in order to overcome the high temperature vapor condensate of the evaporative concentrator of above-mentioned existing existence and all utilize the water pump to pump and just can maintain normal operating outside the system, and the water pump easily arouses the ageing damage of rubber and mechanical wear of machine seal under the high temperature, leads to leaking the vacuum and can not take out water and influence concentrated normal clear, and power consumptive many scheduling problems, provides a high vacuum hydraulic ejector of suction and discharge evaporative concentrator vapor condensate, the utility model discloses a hydraulic ejector is when vacuum evaporation is concentrated, and the high temperature vapor condensate of evaporative concentrator need not pump etc. mechanical operation devices and pump outside the system, maintains the suction and discharge vapor condensate device of vacuum concentration normal clear.

The utility model adopts the technical proposal that:

a high vacuum hydraulic ejector for sucking and discharging steam condensate of an evaporation concentrator comprises a hydraulic chamber cavity, a nozzle disc, a plurality of nozzles, a vacuum chamber cavity, a last-effect secondary steam inlet, a plurality of steam guide discs, each-effect secondary steam condensate suction port, a collection port, a throat pipe and a diffusion pipe, wherein a water inlet is formed above the hydraulic chamber cavity; the lower part of the vacuum chamber cavity is connected with the upper part of the collecting port through a flange, and the lower part of the collecting port is sequentially connected with the throat pipe and the diffusion pipe into a whole; the method is characterized in that: the last-effect secondary steam inlet is arranged at the upper end of the cavity of the vacuum chamber, and each-effect secondary steam condensate water suction port is arranged on the side wall of the lower end of the cavity of the vacuum chamber and does not influence the position of the nozzle for jetting water power.

The shape of the collecting port is in a horn shape, and momentum loss of part of jet water power impacting on the side wall of the collecting port is reduced as much as possible, so that the momentum of the water power is concentrated on the throat pipe to resist external atmospheric pressure.

The diameter of the throat pipe is 10-30 mm smaller than that of a hydraulic ejector with the same evaporation capacity of a manufacturer.

The utility model has the advantages that:

the utility model discloses a high vacuum hydraulic ejector forms higher vacuum by hydraulic ejector in real empty room, and vacuum reaches-0.08 MPa-0.09 MPa, can suck all high temperature secondary vapour condensate that respectively imitate in the multiple-effect evaporation concentration simultaneously at the last effect secondary vapour of suction, changes and pumps suction vapour condensate to the system outside usually, maintains the concentrated working method who goes on in succession, uses the utility model discloses a high vacuum hydraulic ejector does not have mechanical operation, simple structure, and power consumptive not need the maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

1-hydraulic chamber cavity; 2-a nozzle; 3-vacuum chamber cavity; 4-end effect secondary steam inlet; 5-steam guide ring; 6-each effect secondary steam condensate water suction port; 7-a collection port; 8, a throat pipe; 9-diffusion tube.

Detailed Description

The invention will be further described in detail with reference to the drawings and the following detailed description, which are not intended to limit the invention.

As shown in fig. 1, the utility model discloses a high vacuum hydraulic ejector of suction and discharge evaporative concentrator vapour condensate water, including water conservancy chamber cavity 1, nozzle tray and a plurality of nozzle 2, vacuum chamber cavity 3, last effect secondary steam entry 4, a plurality of steam guide tray 5, each effect secondary vapour condensate water suction inlet 6, collection mouth 7, choke 8, diffusion tube 9, the shape of collection mouth 7 is tubaeform, is equipped with the water inlet above water conservancy chamber cavity 1, flange joint between water conservancy chamber cavity 1 and the nozzle tray, the installation of a plurality of nozzles 2 on the nozzle tray, the nozzle tray is fixed in vacuum chamber cavity 3 upper portion, a plurality of steam guide tray 5 are installed respectively in vacuum chamber cavity 3; the lower part of the vacuum chamber cavity 3 is connected with the upper part of the collecting port 7 through a flange, and the lower part of the collecting port 7 is sequentially connected with a throat pipe 8 and a diffusion pipe 9 into a whole; the last secondary steam inlet 4 is arranged at the upper end of the vacuum chamber cavity 3, and is characterized in that: the secondary steam condensation water suction inlet 6 is arranged on the side wall of the lower end of the vacuum chamber cavity 3 and does not influence the position of the nozzle for jetting water power, and the diameter of the throat 8 is 10-30 mm smaller than that of the throat of a water jet with the same evaporation capacity of a factory.

The hydraulic ejector is used as follows:

when the high-vacuum hydraulic ejector works, the pressure of water conveyed by the water pump reaches the hydraulic chamber to be more than 0.4MPa, the hydraulic speed can reach about 25m/s after the water is sprayed by the plurality of nozzles, and high vacuum (equivalent to water with the adsorbable height of about 8 m) can be formed in the vacuum chamber to reach-0.08 MPa to-0.09 MPa. The hydraulic ejector sucks high-temperature secondary steam condensate through the secondary steam condensate suction ports of all effects (the height difference between the installation position of the ejector and the steam condensate is controlled within 6 m) while sucking final-effect secondary steam, so that the working mode that the steam condensate is sucked to the outside of a system by a pump to maintain concentration and continuous operation is changed, mechanical operation is avoided, the structure is simple, and no power consumption and no maintenance are required.

The above description and examples are only intended to illustrate the principles and embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by the skilled in the art or the engineers may fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. A high vacuum hydraulic ejector for sucking and discharging steam condensate of an evaporation concentrator comprises a hydraulic chamber cavity, a nozzle disc, a plurality of nozzles, a vacuum chamber cavity, a last-effect secondary steam inlet, a plurality of steam guide discs, each-effect secondary steam condensate suction port, a collection port, a throat pipe and a diffusion pipe, wherein a water inlet is formed above the hydraulic chamber cavity; the lower part of the vacuum chamber cavity is connected with the upper part of the collecting port through a flange, and the lower part of the collecting port is sequentially connected with the throat pipe and the diffusion pipe into a whole; the method is characterized in that: the last-effect secondary steam inlet is arranged at the upper end of the cavity of the vacuum chamber, and each-effect secondary steam condensate water suction port is arranged on the side wall of the lower end of the cavity of the vacuum chamber and does not influence the position of the nozzle for jetting water power.

2. The high vacuum hydraulic ejector for sucking condensed water of an evaporative concentrator as claimed in claim 1, wherein: the shape of the collecting opening is horn-shaped.

3. The high vacuum hydraulic ejector for sucking condensed water of an evaporative concentrator as claimed in claim 1, wherein: the diameter of the throat pipe is 10-30 mm smaller than that of the throat pipe of the ejector with the same evaporation capacity.