CN217350815U

CN217350815U - Low-temperature evaporation crystallization equipment

Info

Publication number: CN217350815U
Application number: CN202221539012.8U
Authority: CN
Inventors: 李军昌; 刘耀中; 王江
Original assignee: Sichuan Aoheng Environmental Protection Technology Co ltd
Current assignee: Sichuan Aoheng Environmental Protection Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-09-02
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a low temperature evaporation crystallization equipment, including the evaporating pot body, take out the steam vacuum pump, a condenser, the water storage tank, solid-liquid separator and collector, the vapor outlet of the evaporating pot body in proper order with take out the steam vacuum pump, condenser and water storage tank are connected, the discharge gate of the evaporating pot body bottom is connected with solid-liquid separator and collector in proper order, the upper portion of the evaporating pot body is equipped with the piston cylinder body that makes progress arch and its lower extreme and the evaporating pot body intercommunication, the internal piston of installing of piston cylinder, the one end swing joint of piston and connecting rod, the other end and the rotary driving device of connecting rod are connected, the connecting rod passes the corresponding through-hole of piston cylinder body upper end. The utility model discloses an adopt and directly set up piston cylinder body and utilize the drive piston to remove and form the vacuum at the internal formation of evaporating pot on evaporating pot upper portion, can realize better vacuum, improve evaporation efficiency to improve the solidification rate of high enriched waste water, do benefit to the environmental protection.

Description

Low-temperature evaporation crystallization equipment

Technical Field

The utility model relates to an evaporation equipment for high enriched waste water treatment especially relates to a low temperature evaporation crystallization equipment.

Background

With the development of economy and the acceleration of urbanization process, high-salt high-concentration sewage and wastewater generated in the industries such as chemical industry, pharmacy, oil and gas fields, landfill leachate and the like are more and more, and the treatment difficulty is more and more. The commonly used technology for treating high-salinity wastewater is a technology combining a biological reaction tank and a membrane technology, but in the actual treatment process of the technology, the high-salinity wastewater can fundamentally solve the problem only by adopting an evaporation technology because the high-salinity wastewater can affect the service life and the effect of membrane treatment and the generated concentrated solution is more difficult to treat.

The evaporation equipment for high-concentration wastewater treatment comprises low-temperature evaporation equipment, the basic principle is that air in an evaporation tank body is pumped by a vacuum pump to form vacuum in a space above waste liquid, kinetic energy of water molecules in the waste liquid is easier to be separated from constraint of materials, so that moisture in the waste liquid is evaporated quickly, and the aim of dehydrating high-concentration wastewater is finally fulfilled.

Traditional low temperature evaporation equipment utilizes the vacuum pump to carry out evacuation processing, is about to communicate with each other with the evaporating pot body through the vacuum tube and is connected, and its evaporation efficiency greatly depends on the efficiency of vacuum pump and the vacuum degree of its manufacturing, but the vacuum pump receives the restriction of power and capacity, and the vacuum pump is connected with the evaporating pot body through longer pipeline in addition, causes partial journey loss, and the vacuum degree that consequently can realize is limited, makes evaporation efficiency lower and can't break through.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a low temperature evaporation crystallization apparatus capable of significantly improving the vacuum degree and the evaporation efficiency in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a low-temperature evaporation crystallization device, which comprises an evaporation tank body, a steam-pumping vacuum pump, a condenser, a water storage tank, a solid-liquid separator and a collector, the steam outlet of the evaporation tank body is connected with the steam inlet of the steam-pumping vacuum pump, the steam outlet of the steam-pumping vacuum pump is connected with the steam inlet of the condenser, the water outlet of the condenser is connected with the inlet of the water storage tank, the discharge hole at the bottom of the evaporating tank body is connected with the feed inlet of the solid-liquid separator, the solid discharge hole of the solid-liquid separator is connected with the feed inlet of the collector, the upper part of the evaporating tank body is provided with a piston cylinder body which is convex upwards and the lower end of which is communicated with the evaporating tank body, the piston cylinder body is internally provided with a piston, the piston is movably connected with one end of a connecting rod, the other end of the connecting rod is connected with a rotary driving device, and the connecting rod penetrates through a corresponding through hole at the upper end of the piston cylinder body.

Preferably, in order to facilitate driving of the connecting rod and adjustment of a driving stroke of the connecting rod, the rotary driving device includes an engine and a driving wheel driven by the engine to rotate, a connecting shaft is disposed at a non-central position on the driving wheel, and the connecting shaft is movably connected with the connecting rod.

Preferably, in order to facilitate driving and installation, a driving wheel is installed on a rotating shaft of the engine and is connected with the driving wheel through a synchronous belt.

Preferably, in order to further improve the liquid evaporation efficiency in the evaporation tank body, a sprinkler for spraying the liquid upwards is installed in the evaporation tank body.

Preferably, in order to utilize the heat of the extracted steam to heat the evaporation tank body so as to improve the fluidity of the liquid to be evaporated, the low-temperature evaporative crystallization equipment further comprises a heat exchanger for providing heat for the evaporation tank body, and a water inlet and a water outlet of the heat exchanger are connected to a condensation pipe of the condenser in series.

According to actual needs, one piston cylinder body, one piston, one connecting rod and one rotary driving device form a vacuum device, and the low-temperature evaporation crystallization equipment comprises one or more vacuum devices.

The beneficial effects of the utility model reside in that:

the utility model discloses an adopt and directly set up piston cylinder body and utilize the drive piston to remove and form the vacuum at the internal formation of evaporating pot on evaporating pot upper portion, can realize better vacuum, improve evaporation efficiency to improve the solidification rate of high enriched waste water, do benefit to the environmental protection.

Drawings

FIG. 1 is a schematic view of the structure of the low-temperature evaporation crystallization apparatus of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figure 1, the low-temperature evaporation crystallization device of the utility model comprises an evaporation tank body 1, a steam-pumping vacuum pump 10 and a condenser 13, the device comprises a water storage tank 14, a solid-liquid separator 9 and a collector 12, wherein a steam outlet of an evaporating tank body 1 is connected with a steam inlet of a steam-pumping vacuum pump 10, a steam outlet of the steam-pumping vacuum pump 10 is connected with a steam inlet of a condenser 13, a water outlet of the condenser 13 is connected with an inlet of the water storage tank 14, a discharge port at the bottom of the evaporating tank body 1 is connected with a feed inlet of the solid-liquid separator 9, a solid discharge port of the solid-liquid separator 9 is connected with a feed inlet of the collector 12, a piston cylinder body 8 which protrudes upwards and is communicated with the evaporating tank body 1 at the lower end of the upper part of the evaporating tank body 1 is arranged on the upper part of the evaporating tank body 1, a piston 7 is installed in the piston cylinder body 8, the piston 7 is movably connected with one end of a connecting rod 6, the other end of the connecting rod 6 is connected with a rotary driving device, and the connecting rod 6 penetrates through a corresponding through hole at the upper end of the piston cylinder body 8.

Preferably, the rotary driving device comprises an engine 3 and a driving wheel 5 driven by the engine 3 to rotate, a connecting shaft (not marked in the figure) is arranged at a non-central position on the driving wheel 5, and the connecting shaft is movably connected with a connecting rod 6; a driving wheel (not marked in the figure) is arranged on a rotating shaft of the engine 3 and is connected with a driving wheel 5 through a synchronous belt; a sprinkler 4 for spraying liquid upwards is arranged in the evaporation tank body 1; the low-temperature evaporative crystallization equipment also comprises a heat exchanger 11 for providing heat for the evaporating tank body 1, and a water inlet and a water outlet of the heat exchanger 11 are connected in series on a condensing pipe of a condenser 13; a piston cylinder 8, a piston 7, a connecting rod 6 and the rotary driving device form a vacuum device, and the low-temperature evaporation crystallization equipment comprises one or more (one in the figure) vacuum devices.

Also shown in fig. 1 is a power supply apparatus 2 for supplying power to an engine 3; the engine 3 may be an electric motor or a fuel and gas engine, and the engine 3, the sprinkler 4 and the evacuation pump 10 are preferably connected to a controller for automatically controlling the evacuation pump 10 to be turned off and the sprinkler 4 to be turned on when the piston 7 is evacuated, and the evacuation pump 10 to be turned on and the sprinkler 4 to be turned off when the piston 7 compresses air.

As shown in figure 1, when the vacuum pump is used, liquid to be evaporated is in the evaporating tank body 1, the engine 3 is started, the lower end of the connecting rod 6 is driven to move upwards, the piston 7 is driven by the connecting rod 6 to move upwards, the internal space of the evaporating tank body 1 is enlarged, the vacuum degree is improved, the purpose of vacuumizing is achieved, the vacuum value depends on the fixed position (adjustable within a certain range) of the upper end of the connecting rod 6 on the driving wheel 5, and the gauge pressure can reach-50-80 kilopascal generally; at the moment, the sprinkler 4 works, liquid is thrown into the air, moisture is quickly evaporated under the action of vacuum and stays at the upper part in the evaporation tank body 1 in a gas phase mode, then the piston 7 is driven by the connecting rod 6 to move downwards, the moving speed is slow as much as possible, the sprinkler 4 is closed, the steam-pumping vacuum pump 10 is started, steam is quickly sucked into the steam-pumping vacuum pump 10 and sent to the condenser 13, the steam is condensed into liquid water in the condenser 13 to enter the water storage tank 14 for recycling or discharging after waiting for treatment, and heat released by the steam is supplied to the evaporation tank body 1 after heat exchange through the heat exchanger 11, so that the liquidity of the liquid in the evaporation tank body 1 is better, and the spraying and the evaporation are more facilitated; the high-concentration liquid in the evaporating tank body 1 is crystallized and separated after high-efficiency evaporation, and enters a solid-liquid separator 9 for solid-liquid separation, the solid is collected by a collector 12 for waiting treatment or recovery, and the liquid can enter the evaporating tank body 1 again or be discharged.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. The utility model provides a low temperature evaporation crystallization equipment, includes the evaporating pot body, takes out steam vacuum pump, condenser, water storage tank, solid-liquid separator and collector, the vapor outlet of the evaporating pot body with take out steam vacuum pump's steam inlet, take out steam vacuum pump's steam outlet with the steam inlet of condenser is connected, the delivery port of condenser with the entry linkage of water storage tank, the discharge gate of the evaporating pot body bottom with solid-liquid separator's feed inlet is connected, solid-liquid separator's solid discharge gate with the feed inlet of collector is connected, its characterized in that: the upper portion of the evaporating tank body is provided with a piston cylinder body which is upwards protruded, the lower end of the piston cylinder body is communicated with the evaporating tank body, a piston is arranged in the piston cylinder body and is movably connected with one end of a connecting rod, the other end of the connecting rod is connected with a rotary driving device, and the connecting rod penetrates through a corresponding through hole in the upper end of the piston cylinder body.

2. The low temperature evaporative crystallization apparatus of claim 1, wherein: the rotary driving device comprises an engine and a driving wheel driven by the engine to rotate, a connecting shaft is arranged at a non-central position on the driving wheel, and the connecting shaft is movably connected with the connecting rod.

3. The low temperature evaporative crystallization apparatus of claim 2, wherein: and a driving wheel is arranged on a rotating shaft of the engine and is connected with the driving wheel through a synchronous belt.

4. A low temperature evaporative crystallization apparatus as claimed in claim 1, 2 or 3, wherein: and a sprinkler for spraying liquid upwards is arranged in the evaporation tank body.

5. A low temperature evaporative crystallization apparatus as claimed in claim 1, 2 or 3, wherein: the low-temperature evaporative crystallization equipment further comprises a heat exchanger for providing heat for the evaporating tank body, and a water inlet and a water outlet of the heat exchanger are connected in series on a condensation pipe of the condenser.

6. A low temperature evaporative crystallization apparatus as defined in claim 1, 2 or 3 wherein: one piston cylinder body, one piston, one connecting rod and one rotary driving device form a vacuum device, and the low-temperature evaporation crystallization equipment comprises one or more vacuum devices.