CN218452479U

CN218452479U - Low-pressure steam flushing device for ammonia auxiliary evaporator liquid level meter

Info

Publication number: CN218452479U
Application number: CN202123332697.7U
Authority: CN
Inventors: 杨卓印; 刘仁义; 吴贵兵
Original assignee: Anhui Huaertai Chemical Industry Co Ltd
Current assignee: Anhui Huaertai Chemical Industry Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-02-07
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an ammonia auxiliary evaporator is low pressure steam washing unit for level gauge relates to ammonia auxiliary evaporator field. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter comprises an ammonia evaporation drum and an ammonia auxiliary evaporation assembly, wherein the ammonia auxiliary evaporation assembly is arranged below the ammonia evaporation drum. This supplementary evaporimeter of ammonia is low pressure steam washing unit for level gauge, through collecting the produced steam of heating water bath liquid, and utilize when needs and spray steam pressurization, carry out the abluent purpose of steam to the liquid level floater, can have the attachment and cause the jam to be unfavorable for clearing up the relevant device and clear up the liquid level floater under the condition that shows the liquid level in the side of the liquid level floater, and the accessory substance steam that directly adopts this device reaches the washing purpose, can save consuming time of a large amount of dismouting devices, can become the work of clearing up the liquid level floater into the matter that can be accomplished by hand at will again, the maintenance step of this device has been simplified.

Description

Low-pressure steam flushing device for ammonia auxiliary evaporator liquid level meter

Technical Field

The utility model relates to an evaporimeter technical field is assisted to ammonia specifically is an evaporimeter low pressure steam washing unit is assisted to ammonia for level gauge.

Background

In order to better control process indexes, when the temperature in the evaporator A exceeds 12 ℃ and the temperature in the evaporator B exceeds 14 ℃ (the evaporation pressure is 0.52 MPa), oil stains in the liquid ammonia are discharged to the ammonia auxiliary evaporator.

The pipe diameter of blow off pipe is less, the level gauge floater that leads to the supplementary evaporimeter of ammonia like this blocks up the blow off pipe, the maintenance personal often will disassemble the flange of the supplementary evaporimeter level gauge of ammonia, and wash it with steam or water, in order to keep the level gauge accuracy, stop the evaporation of ammonia midway on the one hand and carry out the flange and demolish the process that work influences whole flow, on the other hand also causes the loss of a large amount of ammonia, and the ammonia leaks and influences the surrounding environment, so technical personnel in the field propose a supplementary evaporimeter of ammonia low pressure steam washing unit for level gauge, solve the above-mentioned problem that midway stops evaporating the ammonia and carry out the washing of hydraulic gauge floater and exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model discloses an evaporimeter low pressure steam washing unit is used to ammonia auxiliary liquid level meter to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a low pressure steam flush apparatus for an ammonia assisted evaporator level gauge comprising:

the ammonia evaporation drum is provided with a feeding hole and a discharging hole in the side surface;

the evaporation subassembly is assisted to ammonia, the evaporation subassembly is assisted to ammonia sets up the below at ammonia evaporation drum, the evaporation subassembly is assisted to ammonia includes that water bath, control by temperature change unit, vapour are collected and are utilized unit and level gauge unit, the water bath sets up under ammonia evaporation drum, the inboard of water bath is provided with the control by temperature change unit, the interior fixed ratio of water bath is provided with vapour and collects and utilize the unit, the side of water bath is provided with the level gauge unit.

Preferably, the side of ammonia evaporating drum is fixedly connected with respectively with feed inlet and discharge gate looks adaptation inlet pipe and discharging pipe, inlet pipe fixed connection is in the top of discharging pipe, the side of inlet pipe is provided with the choke valve, the top of ammonia evaporating drum is run through and is provided with the ammonia eduction tube, the bottom of ammonia evaporating drum is run through and is provided with the blow off pipe, the blow off pipe runs through the lateral wall of water bath and extends to water bath below.

Preferably, the upper surface of the water bath box is provided with an installation groove matched with the ammonia evaporation drum in a penetrating mode, the side face of the ammonia evaporation drum is fixedly connected with a limiting ring matched with the installation groove, and a rubber sealing ring is sleeved on the side face of the ammonia evaporation drum and is located below the limiting ring.

Preferably, the temperature control unit comprises a temperature control switch and an electric heating net, the temperature control switch is fixedly arranged on the side surface of the ammonia evaporation drum, the temperature control switch is electrically connected with the electric heating net, and the electric heating net is arranged on the inner side of the water bath box.

Preferably, the unit is collected and utilized to vapour is including collecting pipe, airtight valve, pressure boost inflator and washing shower nozzle, collect the pipe run through the lateral wall of water bath and with water bath fixed connection, the fixed airtight valve that is provided with in side of collecting the pipe, the side that water bath one end was kept away from to the collecting pipe is provided with the pressure boost inflator, the one end fixedly connected with washing shower nozzle that water bath was kept away from to the collecting pipe, wash shower nozzle and level gauge unit fixed connection.

Preferably, the liquid level meter unit comprises a U-shaped pipe and a liquid level floating ball, one end of the U-shaped pipe penetrates through the side wall of the water bath tank and is fixedly connected with the water bath tank, and the liquid level floating ball is arranged on the inner side of the U-shaped pipe.

The utility model discloses an evaporimeter low pressure steam washing unit is used to ammonia auxiliary liquid level meter, its beneficial effect who possesses as follows:

1. this supplementary evaporimeter of ammonia is low pressure steam washing unit for level gauge, set up the steam that does not have among the prior art in the supplementary evaporation subassembly of ammonia and collect and utilize the unit, through collecting the produced steam of heating water bath liquid, and utilize when needs, carry out steam washing's purpose to the liquid level floater, on the one hand can have the attachment and cause the jam to be unfavorable for under the circumstances that shows the liquid level not to dismantle relevant device and clear up the liquid level floater in liquid level floater side, and directly adopt the accessory substance steam of this device to reach the washing purpose, can save a large amount of dismouting device consuming time, can become the work of clearing up the liquid level floater into the event that can be accomplished at will again, the maintenance step of this device has been simplified.

2. This evaporimeter is low pressure steam washing unit is used to ammonia auxiliary evaporator level gauge adopts the mode of water bath to heat the ammonia evaporation drum to realize the speed control of aqueous ammonia gasification, side at the collection pipe sets up the air-tight valve, steam can not flow backward in a large number when the pressure boost inflator is to the vapour pressure boost, the air-tight valve can restrain the backward flow process of vapour along collecting the pipe, and the pressure boost inflator carries out the pressure boost back to vapour, make vapour can be used better and liquid level floater surface, clear away its surperficial dirt.

Drawings

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

FIG. 2 is a sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure of the temperature control unit and the liquid level meter unit of the present invention;

fig. 5 is a schematic view of the structure of the vapor collection and utilization unit of the present invention.

In the figure: 1. an ammonia evaporation drum; 2. an ammonia-assisted evaporation assembly; 201. a water bath tank; 202. a temperature control unit; 2021. a temperature control switch; 2022. an electric heating net; 203. a vapor collection and utilization unit; 2031. a collection conduit; 2032. an airtight valve; 2033. a pressurizing air cylinder; 2034. cleaning the spray head; 204. a liquid level meter unit; 2041. a U-shaped tube; 2042. a liquid level floating ball; 3. a feed pipe; 4. a discharge pipe; 5. a throttle valve; 6. an ammonia gas delivery pipe; 7. a blow-off pipe; 8. mounting grooves; 9. a limiting ring; 10. a rubber seal ring.

Detailed Description

The embodiment of the utility model discloses ammonia is low pressure steam washing unit for auxiliary evaporator level gauge combines figure 1 to show, including ammonia evaporation drum 1 and ammonia auxiliary evaporation subassembly 2, the below of ammonia evaporation drum 1 is provided with ammonia auxiliary evaporation subassembly 2, and feed inlet and discharge gate have been seted up to the side of ammonia evaporation drum 1, and feed inlet and discharge gate are fixedly connected with inlet pipe 3 and discharging pipe 4 respectively.

The side of inlet pipe 3 is fixed with choke valve 5, and the upper surface of ammonia evaporating drum 1 runs through fixedly connected with ammonia eduction tube 6, and the bottom surface of ammonia evaporating drum 1 runs through fixedly connected with blow off pipe 7, and blow off pipe 7 runs through the lateral wall of the supplementary evaporation of ammonia subassembly 2 and extends to the supplementary evaporation of ammonia subassembly 2 below.

Referring to fig. 2, the ammonia auxiliary evaporation assembly 2 is arranged below the ammonia evaporation drum 1, the ammonia auxiliary evaporation assembly 2 includes a water bath 201, a temperature control unit 202, a vapor collection and utilization unit 203 and a level meter unit 204, the water bath 201 is arranged right below the ammonia evaporation drum 1, the ammonia evaporation drum 1 is fixedly clamped on the upper surface of the water bath 201, the temperature control unit 202 is arranged inside the water bath 201, the temperature control unit 202 is used for monitoring the temperature of liquid in the water bath 201 and heating the liquid, the vapor collection and utilization unit 203 is arranged inside the water bath 201, the vapor collection and utilization unit 203 can collect byproduct vapor generated by the temperature control unit 202 and clean the level meter, the level meter unit 204 is arranged on the side surface of the water bath 201 and monitors the height of the liquid in the water bath 201.

Referring to fig. 3, the upper surface of the water bath 201 is provided with an installation groove 8 matched with the ammonia evaporation drum 1 in a penetrating manner, the side surface of the ammonia evaporation drum 1 is fixedly connected with a limiting ring 9 matched with the installation groove 8, the side surface of the ammonia evaporation drum 1 is sleeved with a rubber sealing ring 10 below the limiting ring 9, the ammonia evaporation drum 1 is fixedly clamped on the upper surface of the water bath 201 through the installation groove 8 and the limiting ring 9, and the water bath 201 is sealed through the rubber sealing ring 10 to prevent steam from leaking.

Referring to fig. 4, the temperature control unit 202 includes a temperature control switch 2021 and an electric heating net 2022, the temperature control switch 2021 is fixedly disposed on the side of the ammonia gas evaporation drum 1, the temperature control switch 2021 can directly monitor the temperature of the ammonia gas evaporation drum 1, and the switch is triggered to turn on the power supply at a suitable time, the temperature control switch 2021 is electrically connected to the electric heating net 2022, the electric heating net 2022 is disposed inside the water bath box 201, and the electric heating net 2022 heats the liquid in the water bath box 201 when necessary.

The liquid level gauge unit 204 comprises a U-shaped pipe 2041 and a liquid level floating ball 2042, one end of the U-shaped pipe 2041 penetrates through the side wall of the water bath box 201 and is fixedly connected with the water bath box 201, the U-shaped pipe 2041 is communicated with liquid in the water bath box 201 through connection of the U-shaped pipe 2041, so that the height of liquid level in the water bath box 201 is monitored, the liquid level floating ball 2042 is arranged on the inner side of the U-shaped pipe 2041, and the liquid level floating ball 2042 synchronously moves along with the height of the liquid level in the U-shaped pipe 2041.

As shown in fig. 5, the vapor collection and utilization unit 203 includes a collection conduit 2031, an airtight valve 2032, a pressurized air cylinder 2033, and a cleaning nozzle 2034, the collection conduit 2031 penetrates through a side wall of the water bath 201 and is fixedly connected to the water bath 201, the airtight valve 2032 is fixedly disposed on a side surface of the collection conduit 2031, the pressurized air cylinder 2033 is disposed on a side surface of the collection conduit 2031 far from one end of the water bath 201, the cleaning nozzle 2034 is fixedly connected to one end of the collection conduit 2031 far from the water bath 201, and the cleaning nozzle 2034 is fixedly connected to the liquid level meter unit 204.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low pressure steam washing unit for an ammonia auxiliary evaporator level gauge, comprising:

the ammonia evaporation drum (1), wherein a feed inlet and a discharge outlet are arranged on the side surface of the ammonia evaporation drum (1);

evaporation subassembly (2) are assisted to ammonia, evaporation subassembly (2) are assisted to ammonia sets up the below at ammonia evaporation drum (1), evaporation subassembly (2) are assisted to ammonia includes water bath (201), temperature control unit (202), vapour collection and utilizes unit (203) and level gauge unit (204), water bath (201) set up under ammonia evaporation drum (1), the inboard of water bath (201) is provided with temperature control unit (202), the interior fixed ratio of water bath (201) is provided with vapour and collects and utilizes unit (203), the side of water bath (201) is provided with level gauge unit (204).

2. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter according to claim 1, characterized in that: the side of ammonia evaporating drum (1) is inlet pipe (3) and discharging pipe (4) of fixedly connected with and feed inlet and discharge gate looks adaptation respectively, inlet pipe (3) fixed connection is in the top of discharging pipe (4), the side of inlet pipe (3) is provided with choke valve (5), the top of ammonia evaporating drum (1) is run through and is provided with ammonia eduction tube (6), the bottom of ammonia evaporating drum (1) is run through and is provided with blow off pipe (7), blow off pipe (7) run through the lateral wall of water bath (201) and extend to water bath (201) below.

3. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter according to claim 1, characterized in that: the upper surface of the water bath box (201) penetrates through a mounting groove (8) matched with the ammonia evaporation drum (1), the side surface of the ammonia evaporation drum (1) is fixedly connected with a limiting ring (9) matched with the mounting groove (8), and a rubber sealing ring (10) is sleeved on the side surface of the ammonia evaporation drum (1) and below the limiting ring (9).

4. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter according to claim 1, characterized in that: the temperature control unit (202) comprises a temperature control switch (2021) and an electric heating net (2022), the temperature control switch (2021) is fixedly arranged on the side face of the ammonia evaporation drum (1), the temperature control switch (2021) is electrically connected with the electric heating net (2022), and the electric heating net (2022) is arranged on the inner side of the water bath box (201).

5. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter according to claim 1, characterized in that: the utility model discloses a cleaning shower nozzle, including collection pipe (2031), airtight valve (2032), pressure boost inflator (2033) and washing shower nozzle (2034), steam is collected and is utilized unit (203), collection pipe (2031) run through the lateral wall of water bath (201) and with water bath (201) fixed connection, the fixed airtight valve (2032) that is provided with in side of collection pipe (2031), the side of keeping away from water bath (201) one end in collection pipe (2031) is provided with pressure boost inflator (2033), the one end fixedly connected with that water bath (201) was kept away from in collection pipe (2031 washs shower nozzle (2034), wash shower nozzle (2034) and level gauge unit (204) fixed connection.

6. The low-pressure steam flushing device for the ammonia auxiliary evaporator liquid level meter according to claim 1, characterized in that: the liquid level meter unit (204) comprises a U-shaped pipe (2041) and a liquid level floating ball (2042), one end of the U-shaped pipe (2041) penetrates through the side wall of the water bath box (201) and is fixedly connected with the water bath box (201), and the liquid level floating ball (2042) is arranged on the inner side of the U-shaped pipe (2041).