CN211987142U

CN211987142U - Screw compressor MVR evaporator

Info

Publication number: CN211987142U
Application number: CN202020723517.4U
Authority: CN
Inventors: 萧芳妙
Original assignee: Zhejiang Vnor Environmental Protection Technology Co ltd
Current assignee: Zhejiang Vnor Environmental Protection Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-11-24
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a screw compressor MVR evaporimeter, which comprises a housin, the left bottom fixedly connected with heating cabinet of casing inner chamber, the horizontal fixedly connected with baffle of center department of heating cabinet inner chamber, the vertical fixedly connected with electric heating board in top of baffle, the left top intercommunication of heating cabinet inner chamber has the intake pipe of preheating, the left bottom intercommunication of heating cabinet inner chamber has the drain pipe. The utility model discloses a set up pipeline, filling tube, evaporation chamber, admission line, gas-supply pipe, screw compressor, standpipe, check valve, the electric heating board, preheat the intake pipe, the baffle, the drain pipe, the heating cabinet uses with arranging the cooperation of material pipe, have the operation reliably and more use the advantage that high boiling point rose sewage, conventional single compressor MVR has been solved, the sewage that the high boiling point of unable evaporation crystallization rose, traditional handicraft adopts the form that two full load compressors establish ties, investment cost and working costs all very high problem.

Description

Screw compressor MVR evaporator

Technical Field

The utility model relates to an evaporimeter technical field specifically is a screw compressor MVR evaporimeter.

Background

The MVR evaporator is a novel high-efficiency energy-saving evaporation device mainly applied to the pharmaceutical industry, the device adopts low-temperature and low-pressure steaming technology and clean energy to generate steam as energy, water in media is separated out, the MVR evaporator is an international advanced evaporation technology and is an upgrading product for replacing a traditional evaporator, the maximum temperature rise of a vapor compressor (the traditional compressor is centrifugal and roots) which is a core device of the MVR evaporator on the market can only reach 22 ℃, so that the conventional single compressor MVR cannot evaporate and crystallize the sewage with high boiling point rise, the traditional process adopts a mode of connecting two full-load compressors in series, and the investment cost and the operating cost are very high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw compressor MVR evaporimeter possesses the advantage that the operation is reliable and more use high boiling point to rise sewage, has solved conventional single compressor MVR, and the sewage that the unable high boiling point of evaporative crystallization rises, and traditional handicraft adopts the form that two full load compressors establish ties, and investment cost and working costs are all very high problems.

In order to achieve the above object, the utility model provides a following technical scheme: a screw compressor MVR evaporator comprises a shell, a heating box is fixedly connected with the left bottom of an inner cavity of the shell, a partition plate is transversely fixedly connected with the center of the inner cavity of the heating box, an electric heating plate is vertically and fixedly connected with the top of the partition plate, a preheating air inlet pipe is communicated with the left top of the inner cavity of the heating box, a drain pipe is communicated with the left bottom of the inner cavity of the heating box, a discharge pipe is communicated with the right side of the bottom of the inner cavity of the heating box, a liquid level sensor is embedded in the right bottom of the right side of the inner cavity of the heating box, an air inlet pipeline is communicated with the right side of the top of the inner cavity of the heating box, an inner cavity of the evaporation chamber is communicated with one side of the air inlet pipeline, which is far away from the heating box, a screw compressor, screw compressor's one side and the inner chamber intercommunication of evaporating chamber are kept away from to the gas-supply pipe, screw compressor's discharge end intercommunication has the standpipe, screw compressor's one side and the top intercommunication of heating cabinet inner chamber are kept away from to the standpipe, the equal fixed mounting in surface of standpipe and admission line has the check valve, the top intercommunication on evaporating chamber right side has the filling tube, the top fixedly connected with controller on casing right side, the bottom intercommunication of evaporating chamber has the pipeline, the right side intercommunication of evaporating chamber and heating cabinet inner chamber is kept away from to the pipeline, the bottom fixedly connected with small-size air-blower on casing inner chamber right side, small-size air-blower's air inlet end intercommunication has the air-supply line, small-size air-blower's air-out end intercommunication has the aluminum alloy heat pipe, the aluminum alloy heat pipe is kept away.

Preferably, the heating box comprises a polyurethane heat insulation plate, and the outer ring of the polyurethane heat insulation plate is fixedly connected with the inner wall of the shell.

Preferably, the left side of heating cabinet inner chamber just is located the right side fixedly connected with screen cloth of drain pipe, the right side fixedly connected with dust screen of air-supply line.

Preferably, the front surface of the check valve is provided with a pointing groove, the flow direction of the left check valve is from top to bottom, and the flow direction of the right check valve is from bottom to top.

Preferably, the fixed surface of filling tube installs the valve, the equal fixedly connected with supporting leg in four corners of casing bottom.

Preferably, the shape of aluminum alloy heat pipe is snakelike to fixed winding is on the pipeline, arrange the bottom fixed mounting on material pipe surface and have the solenoid valve, level sensor and controller electric connection, the input of electrical heating board, small-size air-blower, screw compressor and solenoid valve all with the output electric connection of controller.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up pipeline, filling tube, evaporation chamber, admission line, gas-supply pipe, screw compressor, standpipe, check valve, the electric heating board, preheat the intake pipe, the baffle, the drain pipe, the heating cabinet uses with arranging the cooperation of material pipe, have the operation reliably and more use the advantage that high boiling point rose sewage, conventional single compressor MVR has been solved, the sewage that the high boiling point of unable evaporation crystallization rose, traditional handicraft adopts the form that two full load compressors establish ties, investment cost and working costs all very high problem.

2. The utility model discloses a set up snakelike aluminum alloy heat pipe, can carry out quick even cooling to concentrate in the pipeline, through setting up the dust screen, can prevent that external dust from getting into in the air-intake pipe, through setting up the check valve, can control gaseous flow direction, through setting up the screen cloth, can play the effect of screening, thereby be convenient for the discharge of comdenstion water, through setting up level sensor, can play the effect of liquid level detection, through setting up the polyurethane heat insulating board, can play thermal-insulated effect of preventing scalding, through setting up screw compressor, the temperature rise can be improved by a wide margin, and possess the ability of evacuation, compare the shortcoming of no surge with centrifugal compressor, compare when the not enough evacuation of material temperature with roots compressor, the motor does not have the risk of superflow, through setting up directional groove, can convenient to use person distinguish the flow direction of check valve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the heating box of the present invention;

fig. 3 is a right sectional view of the local structure of the housing of the present invention.

In the figure: the device comprises a shell 1, a pipeline 2, a heat conduction pipe 3 made of aluminum alloy, a small blower 4, an air inlet pipe 5, a controller 6, a charging pipe 7, an evaporation chamber 8, an air inlet pipeline 9, an air delivery pipe 10, a screw compressor 11, a standpipe 12, a check valve 13, an electric heating plate 14, a preheating air inlet pipe 15, a partition plate 16, a drain pipe 17, a heating box 18, a discharge pipe 19, a liquid level sensor 20 and a polyurethane heat insulation plate 21.

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.

Referring to fig. 1-3, a screw compressor MVR evaporator comprises a casing 1, a heating box 18 is fixedly connected to the left bottom of the inner cavity of the casing 1, the heating box 18 comprises a polyurethane thermal insulation board 21, the outer ring of the polyurethane thermal insulation board 21 is fixedly connected with the inner wall of the casing 1, the heat insulation and burn prevention effects can be achieved by arranging the polyurethane thermal insulation board 21, a partition board 16 is transversely and fixedly connected to the center of the inner cavity of the heating box 18, an electric heating plate 14 is vertically and fixedly connected to the top of the partition board 16, a preheating air inlet pipe 15 is communicated with the left top of the inner cavity of the heating box 18, a drain pipe 17 is communicated with the left bottom of the inner cavity of the heating box 18, a screen is fixedly connected to the left side of the inner cavity of the heating box 18 and positioned on the right side of the drain pipe 17, the screening effect can be achieved, the electromagnetic valve is fixedly arranged at the bottom of the surface of the discharge pipe 19, the liquid level sensor 20 is embedded at the bottom of the right side of the inner cavity of the heating box 18, the liquid level detection effect can be achieved by arranging the liquid level sensor 20, the right side of the top of the inner cavity of the heating box 18 is communicated with the air inlet pipeline 9, the right side of the top of the inner cavity of the shell 1 is fixedly connected with the evaporation chamber 8, one side, away from the heating box 18, of the air inlet pipeline 9 is communicated with the inner cavity of the evaporation chamber 8, the screw compressor 11 is fixedly connected with the top of the left side of the inner cavity of the shell 1, the temperature rise can be greatly improved by arranging the screw compressor 11, the vacuum pumping capacity is achieved, the surging defect is avoided compared with a centrifugal compressor, when the material temperature is insufficient and the vacuum pumping is needed compared with a Roots compressor, the risk of over-flow of a motor, the discharge end of the screw compressor 11 is communicated with a vertical pipe 12, one side of the vertical pipe 12, which is far away from the screw compressor 11, is communicated with the top of an inner cavity of a heating box 18, one-way valves 13 are fixedly arranged on the surfaces of the vertical pipe 12 and an air inlet pipeline 9, a pointing groove is arranged on the front surface of the one-way valve 13, the flow direction of the one-way valve 13 can be conveniently distinguished by a user by setting the pointing groove, the flow direction of the one-way valve 13 on the left side is from top to bottom, the flow direction of the one-way valve 13 on the right side is from bottom to top, the flow direction of gas can be controlled by setting the one-way valve 13, the top of the right side of an evaporation chamber 8 is communicated with a feed pipe 7, a valve is fixedly arranged on the surface of the feed pipe 7, a controller 6 is fixedly connected with the top of the right side of a shell 1, the air inlet end of the small air blower 4 is communicated with an air inlet pipe 5, the right side of the air inlet pipe 5 is fixedly connected with a dust screen, through the arrangement of the dust screen, external dust can be prevented from entering the air inlet pipe 5, the air outlet end of the small air blower 4 is communicated with an aluminum alloy heat pipe 3, one side, away from the small air blower 4, of the aluminum alloy heat pipe 3 penetrates through the rear side of the shell 1, the aluminum alloy heat pipe 3 is in a snake shape and is fixedly wound on the pipeline 2, through the arrangement of the snake-shaped aluminum alloy heat pipe 3, concentrated liquid in the pipeline 2 can be quickly and uniformly cooled, supporting legs are fixedly connected to four corners of the bottom of the shell 1, the liquid level sensor 20 is electrically connected with the controller 6, the input ends of the electric heating plate 14, the small air blower 4, the compressor 11 and the electromagnetic valve are electrically connected with the output, The air inlet pipeline 9, the air delivery pipe 10, the screw compressor 11, the vertical pipe 12, the check valve 13, the electric heating plate 14, the preheating air inlet pipe 15, the partition plate 16, the drain pipe 17, the heating box 18 and the discharge pipe 19 are matched for use, the device has the advantages of reliable operation and higher use of high boiling point sewage, the problem that the conventional single compressor MVR cannot evaporate and crystallize the high boiling point sewage is solved, the traditional process adopts a mode that two full-load compressors are connected in series, and the investment cost and the operation cost are very high.

When in use, a proper amount of sewage is added into the evaporation chamber 8 through the feeding pipe 7, the preheated steam is continuously added into the heating box 18 through the preheated air inlet pipe 15, the controller 6 controls the electric heating plate 14 to work, the preheated steam is further heated, when the pressure in the heating box 18 reaches a certain degree, the steam automatically enters the evaporation chamber 8 through the right one-way valve 13 and the air inlet pipe 9, the sewage is continuously evaporated, concentrated solution and secondary steam with certain concentration are generated by evaporation, the screw compressor 11 is controlled to work through the controller 6, the secondary steam is compressed and enters the heating box 18 through the air conveying pipe 10, the screw compressor 11, the vertical pipe 12 and the left one-way valve 13, and enters the evaporation chamber 8 along with part of the preheated steam, the cyclic utilization of steam heat is realized, the compressed solution is mixed with part of condensed water and enters the heating box 18 through the pipeline 2, under the effect of screen cloth, the comdenstion water passes through drain pipe 17 and discharges, the concentrate is detained in heating cabinet 18, when level sensor 20 detected the concentrate liquid level and reached level sensor 20, level sensor 20 is with signal of telecommunication to controller 6, the solenoid valve is opened on the row of controller 6 automatic control material pipe 19, discharge the concentrate, and simultaneously, 6 work of small-size air-blower of accessible controller control 4, it loops through air-supply line 5 to drive the outside air, small-size air-

blower

4 and 3 flows of aluminum alloy heat pipe, carry out rapid cooling to the concentrate, be convenient for follow-up concentrate and separate out the crystal.

All kinds of parts used in this application file are standard parts, can purchase from the market, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, and electrical equipment all communicates with external safe power supply, does not make specific statement here again.

In summary, the following steps: this screw compressor MVR evaporimeter, through setting up pipeline 2, filling tube 7, evaporating chamber 8, inlet line 9, the gas-supply pipe 10, screw compressor 11, standpipe 12, check valve 13, electric heating board 14, preheat intake pipe 15, baffle 16, drain pipe 17, heating cabinet 18 and row material pipe 19 cooperation are used, have the operation reliably and more use the advantage that high boiling point rose sewage, conventional single compressor MVR has been solved, the sewage that the unable high boiling point of evaporative crystallization rose, traditional technology adopts the form that two full load compressors establish ties, investment cost and working costs all very high problem.

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 screw compressor MVR evaporator, comprising a housing (1), characterized in that: the heating box comprises a shell (1), a heating box (18) is fixedly connected to the left bottom of an inner cavity of the shell (1), a partition plate (16) is transversely fixedly connected to the center of the inner cavity of the heating box (18), an electric heating plate (14) is fixedly connected to the vertical top of the partition plate (16), a preheating air inlet pipe (15) is communicated with the left top of the inner cavity of the heating box (18), a drain pipe (17) is communicated with the left bottom of the inner cavity of the heating box (18), a drain pipe (19) is communicated with the right side of the bottom of the inner cavity of the heating box (18), a liquid level sensor (20) is embedded into the right bottom of the right side of the inner cavity of the heating box (18), an air inlet pipeline (9) is communicated with the right side of the inner cavity of the shell (1), an evaporation chamber (8) is fixedly connected to the right side of the inner cavity of, the left top fixedly connected with screw compressor (11) of casing (1) inner chamber, the feed end intercommunication of screw compressor (11) has gas-supply pipe (10), one side that screw compressor (11) were kept away from in gas-supply pipe (10) communicates with the inner chamber of evaporating chamber (8), the discharge end intercommunication of screw compressor (11) has standpipe (12), one side that screw compressor (11) were kept away from in standpipe (12) communicates with the top of heating cabinet (18) inner chamber, the equal fixed mounting in surface of standpipe (12) and admission line (9) has check valve (13), the top intercommunication on evaporating chamber (8) right side has filling tube (7), the top fixedly connected with controller (6) on casing (1) right side, the bottom intercommunication of evaporating chamber (8) has pipeline (2), one side that evaporating chamber (8) were kept away from in pipeline (2) communicates with the right side of heating cabinet (18) inner chamber, the utility model discloses a fan, including casing (1), air-out end intercommunication of small-size air-blower (4), bottom fixedly connected with small-size air-blower (4) on casing (1) inner chamber right side, the air inlet end intercommunication of small-size air-blower (4) has air-supply line (5), the air-out end intercommunication of small-size air-blower (4) has aluminum alloy heat pipe (3), one side that small-size air-blower (4) were kept away from in aluminum alloy heat pipe (3) runs.

2. The screw compressor MVR evaporator of claim 1, wherein: the heating box (18) comprises a polyurethane heat-insulating plate (21), and the outer ring of the polyurethane heat-insulating plate (21) is fixedly connected with the inner wall of the shell (1).

3. The screw compressor MVR evaporator of claim 1, wherein: the left side of heating cabinet (18) inner chamber just is located the right side fixedly connected with screen cloth of drain pipe (17), the right side fixedly connected with dust screen of air-supply line (5).

4. The screw compressor MVR evaporator of claim 1, wherein: the positive surface of check valve (13) has been seted up directional groove, and the flow direction of left side check valve (13) is from last to bottom, and the flow direction of right side check valve (13) is from supreme down.

5. The screw compressor MVR evaporator of claim 1, wherein: the surface fixed mounting of filling tube (7) has the valve, the equal fixedly connected with supporting leg in four corners of casing (1) bottom.

6. The screw compressor MVR evaporator of claim 1, wherein: the shape of aluminum alloy heat pipe (3) is snakelike to fixed winding is on pipeline (2), arrange the bottom fixed mounting on material pipe (19) surface and have the solenoid valve, level sensor (20) and controller (6) electric connection, the input of electric heating board (14), small-size air-blower (4), screw compressor (11) and solenoid valve all with the output electric connection of controller (6).