CN210674241U

CN210674241U - Low-energy-consumption forced circulation evaporator

Info

Publication number: CN210674241U
Application number: CN201921161703.7U
Authority: CN
Inventors: 张正坦; 周长滨
Original assignee: Anhui Jinlong Machinery Co ltd
Current assignee: Anhui Jinlong Machinery Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-05
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a low energy consumption forced circulation evaporator, which comprises an evaporation chamber, a heating chamber, a forced circulation pump and a circulation pipeline; an evaporation groove is arranged at the bottom of the evaporation chamber, and an electric heating pipe is annularly arranged on the outer surface of the evaporation groove; the evaporation device is characterized in that the top end of the evaporation chamber is provided with a steam exhaust hole which is communicated with the input end of a steam delivery pump through a steam exhaust pipeline, the output end of the steam delivery pump is communicated with a steam collection tank through the steam exhaust pipeline, the bottom end of the evaporation tank is provided with a discharge opening, and the discharge opening is communicated with a crystallization discharge pipe; one side of the evaporation chamber is communicated with a sewage discharge pipe; and a feed inlet is formed in the other side of the evaporation chamber, the feed inlet is communicated with an inlet of a forced circulation pump through a circulation pipeline, and the inlet of the forced circulation pump is communicated with the heating chamber through a circulation pipeline. The utility model provides a pair of low energy consumption type forced circulation evaporimeter has both practiced thrift the energy consumption, has saved manufacturing cost, and simple structure, low in cost.

Description

Low-energy-consumption forced circulation evaporator

Technical Field

The utility model relates to an evaporation and separation equipment technical field specifically is a low energy consumption type forced circulation evaporimeter.

Background

The conventional forced circulation evaporator is widely used in industrial production because it has characteristics of being not easily scaled and being normally operated even at a low temperature difference. But because of the requirement of larger circulation speed, the power consumption is very high, and the operation economy is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low energy consumption type forced circulation evaporimeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-energy-consumption forced circulation evaporator comprises an evaporation chamber, a heating chamber, a forced circulation pump and a circulation pipeline; an evaporation groove is arranged at the bottom of the evaporation chamber, and an electric heating pipe is annularly arranged on the outer surface of the evaporation groove; the top end of the evaporation chamber is provided with a steam exhaust hole, the steam exhaust hole is communicated with the input end of a steam delivery pump through a steam exhaust pipeline, the output end of the steam delivery pump is communicated with a steam collection tank through the steam exhaust pipeline, and a condenser is arranged in the steam collection tank; a liquid collecting hopper is arranged below the vapor collecting tank, a water outlet is arranged at the bottom of the liquid collecting hopper, the bottom of the water outlet is communicated with a liquid storage chamber through a water drain pipe, and the liquid storage chamber is communicated with a heating chamber; the bottom end of the evaporation tank is provided with a discharge opening which is communicated with a crystallization discharge pipe; one side of the evaporation chamber is communicated with a sewage discharge pipe; and a feed inlet is formed in the other side of the evaporation chamber, the feed inlet is communicated with an inlet of a forced circulation pump through a circulation pipeline, and the inlet of the forced circulation pump is communicated with the heating chamber through a circulation pipeline.

Preferably, the inner walls and the outer walls of the evaporation chamber and the heating chamber are provided with heat insulation layers, so that the evaporation chamber and the heating chamber are insulated, heat loss is reduced, and energy consumption is reduced.

Preferably, the evaporation tank is provided with a temperature sensing probe for monitoring the temperature change condition of the evaporation tank in real time and adjusting the process in real time.

Preferably, the temperature-sensing probe and the electric heating pipe are both electrically connected with the PLC controller, and the heating temperature and the heating time of the electric heating pipe are adjusted through the PLC controller, so that unnecessary energy consumption is reduced.

Preferably, the evaporation tank is of a stepped spiral structure with a wide upper part and a narrow lower part, so that the evaporation area is enlarged, the evaporation efficiency is improved, and the stepped structure with the wide upper part and the narrow lower part is convenient for water vapor to overflow and for crystal to be reserved.

Preferably, a one-way control valve is arranged inside the steam exhaust hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a low energy consumption type forced circulation evaporimeter, be provided with the evaporation tank in the inside of evaporating chamber, the evaporation area has been enlarged, evaporation efficiency has been improved, and be provided with the steam exhaust hole on the top of evaporating chamber, utilize steam transmission pump in with the evaporating chamber through the steam exhaust hole and carry to the collection vapour jar through the steam exhaust pipeline, condense its cooling via the condenser and fall into collection liquid fill through the drain pipe and carry to the liquid reserve room and store the back, carry out evaporation separation work once more via the heating chamber, the energy consumption has both been practiced thrift, and production cost is saved, and simple structure, low in cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. an evaporation chamber; 2. a heating chamber; 3. a forced circulation pump; 4. a circulation pipe; 5. an evaporation tank; 6. an electric heating tube; 7. a steam exhaust duct; 8. a steam delivery pump; 9. a vapor collection tank; 10. a condenser; 11. a liquid collecting hopper; 12. a water outlet; 13. a drain pipe; 14. a liquid storage chamber; 15. a crystallization discharge pipe; 16. a blow-off pipe; 17. a heat-insulating layer; 18. a temperature sensing probe; 19. a one-way control valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a low-energy-consumption forced circulation evaporator comprises an evaporation chamber 1, a heating chamber 2, a forced circulation pump 3 and a circulation pipeline 4; an evaporation groove 5 is arranged at the bottom of the evaporation chamber 1, and an electric heating pipe 6 is annularly arranged on the outer surface of the evaporation groove 5; the top end of the evaporation chamber 1 is provided with a steam exhaust hole, the steam exhaust hole is communicated with the input end of a steam delivery pump 8 through a steam exhaust pipeline 7, the output end of the steam delivery pump 8 is communicated with a steam collection tank 9 through the steam exhaust pipeline 7, and a condenser 10 is arranged inside the steam collection tank 9; a liquid collecting hopper 11 is arranged below the steam collecting tank 9, a water outlet 12 is arranged at the bottom of the liquid collecting hopper 11, the bottom of the water outlet 12 is communicated with a liquid storage chamber 14 through a water outlet pipe 13, and the liquid storage chamber 14 is communicated with the heating chamber 2; the bottom end of the evaporation tank 5 is provided with a discharge opening which is communicated with a crystallization discharge pipe 15; one side of the evaporation chamber 1 is communicated with a sewage discharge pipe 16; the other side of the evaporation chamber 1 is provided with a feed inlet which is communicated with an inlet of a forced circulation pump 3 through a circulation pipeline 4, and the inlet of the forced circulation pump 3 is communicated with the heating chamber 2 through the circulation pipeline 4.

Further, the inner wall and the outer wall of the evaporation chamber 1 and the heating chamber 2 are both provided with an insulating layer 17.

Further, a temperature sensing probe 18 is mounted on the evaporation tank 5.

Further, the temperature-sensing probe 18 and the electric heating tube 6 are both electrically connected to the PLC controller.

Further, the evaporation tank 5 is a stepped spiral structure with a wide upper part and a narrow lower part.

Further, a one-way control valve 19 is arranged inside the steam exhaust hole.

The working principle is as follows: before the utility model is used, a worker firstly checks whether the internal structure of the low-energy-consumption forced circulation evaporator is intact, after the checking is finished, the external power supply is switched on, after the feed liquid enters the evaporation chamber through the feed inlet, the electric heating pipe 6 is powered on, after the feed liquid is evaporated through the evaporation tank 5, the forced circulation pump 3 is started to convey the feed liquid which finishes the primary evaporation to the heating chamber 2 through the circulation pipeline 4 for heating; in the process, the one-way control valve 19 in the steam discharge hole is opened, the steam delivery pump 8 is started, the steam is delivered to the steam collection tank 9 through the steam delivery pipe 7, the condenser 10 is used for rapidly cooling the steam, the cooled steam is condensed into water and is settled in the liquid collection hopper 11, and the water is delivered into the liquid storage chamber 14 through the water discharge port 12 and the liquid discharge pipe 13 and is delivered into the heating chamber 2 for heating and steam separation again; this cycle repeats to complete the evaporation and concentration of the feed liquid, and the crystals are discharged through the crystal discharge pipe 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low energy consumption forced circulation evaporator is characterized in that: comprises an evaporation chamber (1), a heating chamber (2), a forced circulation pump (3) and a circulation pipeline (4); an evaporation groove (5) is arranged at the bottom of the evaporation chamber (1), and an electric heating pipe (6) is annularly arranged on the outer surface of the evaporation groove (5); the top end of the evaporation chamber (1) is provided with a steam exhaust hole, the steam exhaust hole is communicated with the input end of a steam delivery pump (8) through a steam exhaust pipeline (7), the output end of the steam delivery pump (8) is communicated with a steam collection tank (9) through the steam exhaust pipeline (7), and a condenser (10) is arranged in the steam collection tank (9); a liquid collecting hopper (11) is arranged below the steam collecting tank (9), a water outlet (12) is arranged at the bottom of the liquid collecting hopper (11), the bottom of the water outlet (12) is communicated with a liquid storage chamber (14) through a water outlet pipe (13), and the liquid storage chamber (14) is communicated with a heating chamber (2); a discharge opening is formed in the bottom end of the evaporation tank (5), and is communicated with a crystallization discharge pipe (15); one side of the evaporation chamber (1) is communicated with a sewage discharge pipe (16); the other side of the evaporation chamber (1) is provided with a feed inlet, the feed inlet is communicated with an inlet of the forced circulation pump (3) through a circulation pipeline (4), and the inlet of the forced circulation pump (3) is communicated with the heating chamber (2) through the circulation pipeline (4).

2. A low power consumption type forced circulation evaporator according to claim 1, wherein: and the inner walls and the outer walls of the evaporation chamber (1) and the heating chamber (2) are provided with heat-insulating layers (17).

3. A low power consumption type forced circulation evaporator according to claim 1, wherein: and a temperature sensing probe (18) is arranged on the evaporation tank (5).

4. A low power consumption type forced circulation evaporator according to claim 3, wherein: the temperature sensing probe (18) and the electric heating pipe (6) are both electrically connected with the PLC.

5. A low power consumption type forced circulation evaporator according to claim 1, wherein: the evaporation tank (5) is of a stepped spiral structure with a wide upper part and a narrow lower part.

6. A low power consumption type forced circulation evaporator according to claim 1, wherein: and a one-way control valve (19) is arranged in the steam exhaust hole.