CN214085913U - Storage tank system capable of preventing acrylic acid in storage tank from crystallizing at low temperature - Google Patents
Storage tank system capable of preventing acrylic acid in storage tank from crystallizing at low temperature Download PDFInfo
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- CN214085913U CN214085913U CN202022534111.4U CN202022534111U CN214085913U CN 214085913 U CN214085913 U CN 214085913U CN 202022534111 U CN202022534111 U CN 202022534111U CN 214085913 U CN214085913 U CN 214085913U
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Abstract
Can prevent storage tank system of acrylic acid crystallization in storage tank at low temperature, hot water circulating line (2) in storage tank (1) and the storage tank, external hot water circulating line's inlet tube (3) and outlet pipe (4) respectively, set up in cooling water pool (5) of outlet pipe play water end, connect cooling water pool's cold water output tube (6) that are equipped with water pump (7), connect cooling tower (8) between inlet tube and cooling water pool, solenoid valve (9) set up on the inlet tube, set up temperature sensor (10) in the storage tank, set up controller (11) outside the storage tank, solenoid valve and temperature sensor all are connected with the controller, the recirculated cooling water inlet and the delivery port of polycarboxylate water reducer production line are connected respectively to the play water end of cold water output tube and the end of intaking of inlet tube. The utility model discloses effectively solved acrylic acid stifled pipe, stifled pump problem that the crystallization of low temperature weather leads to, realized acrylic acid's continuous conveyor and water-reducing agent's continuous production, it is energy-conserving high-efficient, labour saving and time saving, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of the chemical storage system, concretely relates to acrylic acid's storage tank system.
Background
Acrylic acid is a production raw material of the polycarboxylic acid water reducing agent, is colorless liquid at normal temperature and normal pressure, has pungent smell, strong acidity and corrosiveness, has a melting point of 13.5 ℃, is needle-shaped crystal below the melting point, and cannot have the crystallization problem in the season that the lowest temperature exceeds 15 ℃, but the acrylic acid is crystallized at low temperature, particularly in winter, so that the problems of pipe blockage, pump blockage and the like are caused. At present, the means adopted in actual production mainly comprises two modes, one mode is that barreled acrylic acid is placed in a heat preservation room, the temperature of the heat preservation room is controlled through an air conditioner so as to realize heat preservation of the acrylic acid, heating and heat preservation energy sources are wasted, the production operation is relatively troublesome, when the polycarboxylate water reducer is prepared, a barrel containing the acrylic acid needs to be carried, the acrylic acid is poured out from the barrel, continuous production cannot be realized, and time and labor are wasted. The other mode is to electrically heat the acrylic acid storage tank, consume more electric energy and have potential safety hazards.
Disclosure of Invention
The utility model aims to solve stifled pipe, the stifled pump problem that acrylic acid leads to at low temperature weather crystallization, provide a can prevent storage tank system of acrylic acid crystallization in the storage tank at low temperature to ensure normal production.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a storage tank system capable of preventing acrylic acid in a storage tank from crystallizing at a low temperature comprises a storage tank, a hot water circulation pipeline arranged in the storage tank, a water inlet pipe and a water outlet pipe respectively externally connected with the water inlet end and the water outlet end of the hot water circulation pipeline, a cooling water tank arranged at the water outlet end of the water outlet pipe, a cold water output pipe connected with the cooling water tank and provided with a water pump, a cooling water tower connected between the water inlet pipe and the cooling water tank through a pipeline, an electromagnetic valve arranged on the water inlet pipe and positioned between a cold water taking tower and the hot water circulation pipeline, a temperature sensor arranged in the storage tank, and a controller arranged outside the storage tank, the electromagnetic valve and the temperature sensor are both connected with the controller, the water outlet end of the cold water output pipe is connected with a circulating cooling water inlet of a polycarboxylate water reducer production line, and the water inlet end of the water inlet pipe is connected with a circulating cooling water outlet of a polycarboxylate superplasticizer production line.
Further, the storage tank is a double-layer glass storage tank, and a heat insulation material is filled between the two layers of glass.
When the polycarboxylate water reducer is prepared on a polycarboxylate water reducer production line, chemical reaction can occur between materials to generate a large amount of reaction heat, so a cooling water circulation pipeline is arranged outside a water reducer preparation container to cool, and the production temperature of the water reducer (usually 40-65 ℃) is controlled. The utility model discloses the chemical reaction heat that make full use of water-reducing agent production produced, the hot water that produces water-reducing agent production line is used for heating the acrylic acid in the storage tank, prevents the acrylic acid crystallization, solves stifled pipe, the stifled pump problem that acrylic acid leads to at low temperature weather crystallization, has realized the continuous conveyor of acrylic acid and the continuous production of water-reducing agent, and is energy-conserving high-efficient, labour saving and time saving to adopt warm water heating acrylic acid safer than traditional electrical heating storage tank.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The storage tank system as shown in fig. 1, which can prevent acrylic acid from crystallizing in the storage tank at low temperature, comprises a storage tank 1, a hot water circulation pipeline 2 arranged in the storage tank, a water inlet pipe 3 and a water outlet pipe 4 respectively externally connected with a water inlet end and a water outlet end of the hot water circulation pipeline, a cooling water tank 5 arranged at the water outlet end of the water outlet pipe, a cold water output pipe 6 connected with the cooling water tank and provided with a water pump 7, a cooling water tower 8 connected between the water inlet pipe 3 and the cooling water tank 5 through a pipeline, an electromagnetic valve 9 arranged on the water inlet pipe and positioned between the cold water tower and the hot water circulation pipeline, a temperature sensor 10 arranged in the storage tank, and a controller 11 arranged outside the storage tank, the electromagnetic valve 9 and the temperature sensor 10 are both connected with a controller 11, the water outlet end of the cold water output pipe 6 is connected with a circulating cooling water inlet of a polycarboxylate water reducer production line, and the water inlet end of the water inlet pipe 3 is connected with a circulating cooling water outlet of a polycarboxylate water reducer production line. The storage tank 1 adopts a double-layer glass storage tank, and a heat insulation material is filled between two layers of glass for heat insulation, so that the storage tank has a good heat insulation effect and low manufacturing cost, and can reduce the production cost. The heat insulating material may be foam, heat insulating cotton, etc. The top of the storage tank is provided with a feed inlet 1-1 and an access hole 1-2, and the bottom is provided with a discharge outlet 1-3.
The working process of the utility model is as follows: cold water enters the polycarboxylate superplasticizer production line from the cooling water tank 5 through the water pump 7, the reaction heat generated in the cooling water reducer preparation container 12 can form warm water at about 30 ℃, the warm water enters the cooling water tower 8, and the warm water returns to the cooling water tank after being cooled by the cooling water tower. In the production process, the controller 11 monitors the temperature in the storage tank through the temperature sensor 10, if the temperature of acrylic acid in the storage tank is detected to be lower than 20 ℃, the electromagnetic valve 9 is opened by the controller, warm water in the water inlet pipe 3 enters the hot water circulation pipeline 2, the acrylic acid in the storage tank is heated, and the acrylic acid is prevented from being crystallized. The hot water in the hot water circulation pipeline flows back to the cooling water pool, and when the temperature sensor 10 detects that the temperature of the acrylic acid in the storage tank is higher than 20 ℃, the controller controls the electromagnetic valve to be closed.
The utility model discloses make full use of the cooling refrigeration cycle water of water-reducing agent production line to heat the acrylic acid in the storage tank, only need on the basis of current production facility less input can, reduced manufacturing cost, improved production efficiency and fail safe nature.
Claims (2)
1. A storage tank system capable of preventing acrylic acid in a storage tank from crystallizing at a low temperature is characterized by comprising a storage tank (1), a hot water circulation pipeline (2) arranged in the storage tank, a water inlet pipe (3) and a water outlet pipe (4) which are respectively externally connected with a water inlet end and a water outlet end of the hot water circulation pipeline, a cooling water tank (5) arranged at the water outlet end of the water outlet pipe, a cold water output pipe (6) which is connected with the cooling water tank and is provided with a water pump (7), a cooling water tower (8) connected between the water inlet pipe (3) and the cooling water tank (5) through a pipeline, an electromagnetic valve (9) arranged on the water inlet pipe and positioned between the cold water inlet pipe and the hot water circulation pipeline, a temperature sensor (10) arranged in the storage tank, and a controller (11) arranged outside the storage tank, wherein the electromagnetic valve (9) and the temperature sensor (10) are both connected with the controller (11), and the water outlet end of the cold water output pipe (6) is connected with a circulating cooling water inlet of a polycarboxylic acid water reducing agent production line, and the water inlet end of the water inlet pipe (3) is connected with a circulating cooling water outlet of a polycarboxylate water reducer production line.
2. The tank system capable of preventing acrylic acid in the tank from crystallizing at low temperature according to claim 1, wherein the tank (1) is a double-layer glass tank, and an insulation material is filled between the two layers of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022534111.4U CN214085913U (en) | 2020-11-05 | 2020-11-05 | Storage tank system capable of preventing acrylic acid in storage tank from crystallizing at low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022534111.4U CN214085913U (en) | 2020-11-05 | 2020-11-05 | Storage tank system capable of preventing acrylic acid in storage tank from crystallizing at low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214085913U true CN214085913U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022534111.4U Active CN214085913U (en) | 2020-11-05 | 2020-11-05 | Storage tank system capable of preventing acrylic acid in storage tank from crystallizing at low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214085913U (en) |
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2020
- 2020-11-05 CN CN202022534111.4U patent/CN214085913U/en active Active
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