CN208951667U - A kind of liquefied ammonia storage system - Google Patents
A kind of liquefied ammonia storage system Download PDFInfo
- Publication number
- CN208951667U CN208951667U CN201821392739.1U CN201821392739U CN208951667U CN 208951667 U CN208951667 U CN 208951667U CN 201821392739 U CN201821392739 U CN 201821392739U CN 208951667 U CN208951667 U CN 208951667U
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- China
- Prior art keywords
- holding vessel
- liquefied ammonia
- detector
- control system
- ammonia
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of liquefied ammonia storage systems, holding vessel and control system including storing liquefied ammonia, catch basin is provided with below holding vessel, inlet tube and outlet tube are provided on holding vessel, the cutting-off valve connecting with control system is provided on inlet tube and outlet tube, the temperature detector connecting with control system is installed on holding vessel, liquid level detector and pressure detector, the top of holding vessel and surrounding are respectively arranged with spray equipment and ammonia concentration detector, spray equipment is provided with the shower valve connecting with control system, control system controls the opening and closing of shower valve by ammonia concentration and the signal of temperature, and the opening and closing of cutting-off valve is controlled by the signal of liquid level and pressure.A kind of liquefied ammonia storage system, by ammonia concentration, the storage of temperature, liquid level and pressure detector monitors liquefied ammonia, the input of liquefied ammonia is automatically cut off by control system or opens spray, it is ensured that the safety of employee, the ammonia of leakage can be recycled, avoid the waste of ammonium hydroxide raw materials for production.
Description
Technical field
The utility model relates to fluid field of storage more particularly to a kind of liquefied ammonia storage systems.
Background technique
Liquefied ammonia, also known as anhydrous ammonia are a kind of colourless liquids, there is intense irritation smell.Ammonia is as a kind of important change
Work raw material, is widely used, and to transport and storing convenience, gaseous ammonia is usually obtained liquid ammonia by pressurization or cooling.Ammonia
It is soluble easily in water, it is dissolved in the alkaline solution of formation ammonium hydroxide after water, solubility of the ammonia in 20 DEG C of water is 34%.Liquefied ammonia is stored in more
In pressure-resistant steel cylinder or steel tank, and it cannot be coexisted with substances such as acetaldehyde, methacrylaldehyde, boron.Liquefied ammonia is industrially widely used, and has corruption
Corrosion, it is readily volatilized and inflammable and explosive, so its chemical accident incidence is quite high.
Existing safeguard technology is only absorbed with the ammonia that water spray reveals steel cylinder, and is cooled down to steel cylinder,
It prevents high temperature from causing liquid ammonia gasification, causes steel cylinder pressure is excessive to explode.Therefore the originally necessary round-the-clock unlatching of water spray, if
When phenomena such as cutting off the water, it cannot ensure safely.This secured fashion is although fairly simple, but less to the monitoring of ammonia tank,
It is a kind of waste to water resource if existing without the problems such as leakage always using originally water spray.Security risk is also had no way of if it exists
It is found that therefore the method more falls behind, safety is also poor.And there is also similar to lack for emerging some method for protecting
It falls into.For example, Chinese patent (CN207471112U) discloses a kind of liquefied ammonia stocking system, by pressure, liquid level, temperature parameter with
And the running of poisonous gas alarm control tail gas absorbing system, but tail gas absorbing system is connected with liquid storage cylinder, can not will reveal
Ammonia recovery other than liquid storage cylinder can not also dispose the ammonia leaked out, and safety is poor.
Summary of the invention
The utility model aims to solve the problem that above-mentioned mentioned technical problem, provides a kind of storage ginseng that can monitor liquefied ammonia in real time
Count and have the liquefied ammonia storage system of Ability of emergency management.
The utility model is realized through the following technical scheme: a kind of liquefied ammonia storage system, including storage liquefied ammonia
Holding vessel and control system are provided with catch basin below holding vessel, inlet tube and outlet tube, feed liquor are provided on holding vessel
It is provided with the cutting-off valve connecting with control system on pipe and outlet tube, the temperature connecting with control system is installed on holding vessel
Detector, liquid level detector and pressure detector, the top of holding vessel and surrounding are respectively arranged with spray equipment and ammonia concentration
Detector, spray equipment are provided with the shower valve connecting with control system, and control system passes through ammonia concentration detector and temperature
The opening and closing of the detection signal control shower valve of detector, and controlled by the detection signal of liquid level detector and pressure detector
The opening and closing of cutting-off valve.
Further, the tank skin of the holding vessel is multilayer proofing structure comprising the erosion resistant coating that sets gradually from the inside to the outside,
Strengthening layer, insulating layer, antirust film plating layer.
Further, the spray equipment includes the spray piping being distributed in above holding vessel, and spray piping is provided with multiple
Water outlet, tank body, inlet tube and the outlet tube of the range covering holding vessel of spray.
Further, the liquid level detector is mounted on holding vessel side and by the first connecting tube and the second connecting tube point
It is not connected to the upper and lower part of holding vessel, pressure detector is mounted on the top of holding vessel and is connected to the inside sky of holding vessel
Chamber.
Further, the both ends of the holding vessel are provided with support base, and support base is fixedly mounted on the bottom of catch basin.
Further, the sample tap for extracting liquefied ammonia is provided on the inlet tube and outlet tube.
Further, the catch basin is provided with the recovery channel connecting with ammonium hydroxide workshop, is provided on recovery channel
The pump housing.
Beneficial effect is: compared with prior art, a kind of liquefied ammonia storage system of the utility model passes through temperature detection
The storage of device, liquid level detector and pressure detector monitors liquefied ammonia, discovery temperature is excessively high, liquid level is excessively high or pressure is excessive to lead to
It crosses the input of control system cutting liquefied ammonia and opens spray equipment and carry out spraying cooling processing, holding vessel is avoided to explode；Pass through
Whether ammonia concentration detector detection liquefied ammonia, which has, leaks and by spray equipment progress spray process, thus to the ammonia of leakage into
Row absorb, avoid the sprawling of A leak of liquefied ammonia, it is ensured that the safety of employee, while can by the ammonium hydroxide formed after spray-absorption ammonia into
Row, which is uniformly collected and is delivered to ammonium hydroxide workshop, carries out Commercial cultivation, avoids the waste of ammonia, reduces production cost.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, a kind of liquefied ammonia storage system, holding vessel 4 and control system 3 including storing liquefied ammonia, holding vessel 4
Lower section be provided with catch basin 1, inlet tube 5 and outlet tube 6 are provided on holding vessel 4, is provided on inlet tube 5 and outlet tube 6
The cutting-off valve 7 connecting with control system 3 is equipped with the temperature detector 11 connecting with control system 3, liquid level on holding vessel 4
Detector 12 and pressure detector 13, the top of holding vessel 4 and surrounding are respectively arranged with spray equipment 2 and ammonia concentration detector
10, spray equipment 2 is provided with the shower valve 9 connecting with control system 3, and control system 3 passes through ammonia concentration detector 10 and temperature
Spend the opening and closing of the detection signal control shower valve 9 of detector 11, and the inspection by liquid level detector 12 and pressure detector 13
Survey the opening and closing of signal control cutting-off valve 7.The utility model passes through temperature detector 11, liquid level detector 12 and pressure detector
The storage of 13 monitoring liquefied ammonia, discovery temperature is excessively high, liquid level is excessively high or pressure is excessive can cut off the defeated of liquefied ammonia by control system 3
Enter and open spray equipment 2 and carry out spraying cooling processing, holding vessel 4 is avoided to explode；It is detected by ammonia concentration detector 10
Whether liquefied ammonia, which has, leaks and carries out spray process by spray equipment 2, avoids the sprawling of A leak of liquefied ammonia, it is ensured that the safety of employee,
The ammonium hydroxide formed after spray-absorption ammonia can be carried out to unified collection simultaneously and be delivered to ammonium hydroxide workshop carrying out production benefit
With avoiding the waste of ammonia, reduce production cost.Specifically, catch basin 1, which can be, is arranged in outdoor and is poured by cement
Pit, the top of catch basin 1 can be set heat-insulated ceiling, a well-ventilated and cool place can be provided for the storage of liquefied ammonia
Environment, holding vessel 4 can be cylindrical tank body, further, the both ends of the holding vessel 4 are provided with support base 14, support base
14 are fixedly mounted on the bottom of catch basin 1, are erected at holding vessel 4 in catch basin 1, protect convenient for employee to the maintenance of tank body
It supports, tank body can be higher than the top planes of catch basin 1, and the ventilated environment of tank body can be made more preferable；The inlet tube 5 and outlet tube
6 can be distributed along the lower section of catch basin 1 and side wall, overhaul maintenance convenient for employee, while being also convenient for the spray range of spray equipment 2
The inlet tube 5 and outlet tube 6 that holding vessel 4 can be covered are also convenient for ammonium hydroxide and concentrate on that catch basin 1 is inner to be handled, Bu Huizao
At secondary hazards.Spray equipment 2 may include connecting pipe, and connecting pipe can be connect with external reservoir, and connected
It is provided with the water-delivery pump for the water of reservoir to be delivered to spray piping on pipeline, can be set in connecting pipe for controlling
The shower valve 9 of spray switch processed, shower valve 9 and water-delivery pump are connect with control system 3, and control system 3 can open simultaneously spray
Valve 9 and water-delivery pump are drenched, to realize automatic spray.Hand-crank can be set on cutting-off valve 7, had cutting-off valve 7
The function of automatic switch and manual switch.And ammonia concentration detector 10 can be set multiple, be distributed in 4 tank body of holding vessel
The top of surrounding and inlet tube 5 and outlet tube 6 is formed by after A leak of liquefied ammonia since the density of ammonia is less than air
Ammonia can be assembled upwards, and ammonia concentration detector 10 also can be set in the top of holding vessel 4；And temperature detector 11 can be set
It sets and monitors the temperature of tank body in 4 tank body of holding vessel and avoid causing tank body to burst since temperature is excessively high, liquid level detector 12 and pressure
Detector 13 monitors the intracorporal liquefied ammonia storing state of 4 tank of holding vessel, and liquefied ammonia is excessively easy to cause pressure excessive and bursts tank body, and
Pressure is excessive can be carried out dredging decompression by the cutting-off valve 7 that control system 3 opens outlet tube 6.Preferably, the spray dress
Setting 2 is the spray piping for being distributed in 4 top of holding vessel, and spray piping is provided with multiple water outlets, and the range of spray covers storage
Tank body, inlet tube 5 and the outlet tube 6 of tank 4.Specifically, spray piping can be distributed in top and the inlet tube 5 of holding vessel 4
With the top of outlet tube 6, water outlet can be set on spray piping, water outlet can be the notch on pipeline, be also possible to
Shower on pipeline is set, water outlet can be set multiple ranges covering holding vessels 4 so as to ensure to spray and
Inlet tube 5 and outlet tube 6, it is ensured that leakage part can carry out emergency processing by the water sprayed out to liquefied ammonia in any position, improve system
The security performance of system.
Preferably, the tank skin of the holding vessel 4 is multilayer proofing structure 8 comprising the anti-corrosion set gradually from the inside to the outside
Layer, strengthening layer, insulating layer, antirust film plating layer, so as to protect tank body not by the corrosion of liquefied ammonia so as to cause leakage, while
Tank body be can protect not by externalities, the influence including extraneous corrosion and high temperature.
Preferably, control panel has can be set in the control system 3, and the vehicle for placing holding vessel 4 is arranged in control panel
Between it is outer.Specifically, control panel can be set in the place other than 40 meters of holding vessel, so that control system 3 be made to have far
The function of journey cutting, when A leak of liquefied ammonia occurs, employee can carry out emergency processing in remote operating control system 3, including cut
The conveying of liquefied ammonia and open spray equipment 2 in disconnected inlet tube 5 and outlet tube 6, can also to avoid employee excessively close distance into
Accidentally sucking excessive ammonia leads to life danger when row operation.
Preferably, the liquid level detector 12 is mounted on 4 side of holding vessel and by the first connecting tube and the second connection
Pipe is connected to the upper and lower part of holding vessel 4 respectively, and pressure detector 13 is mounted on the top of holding vessel 4 and is connected to holding vessel 4
Internal cavities.Specifically, liquid level detector 12 and holding vessel 4 form linker, can pass through the first connecting tube, the second connection
Pipe is separately connected the upper and lower part of liquid level detector 12 and holding vessel 4 with valve, so that making the liquid level of holding vessel 4 can reflect
In the instrument of liquid level detector 12.Pressure detector 13 can be connected to the internal cavities of holding vessel 4 by connecting tube with valve,
So as to monitor the air pressure in holding vessel 4.Further, liquid level detector 12 and pressure detector 13, temperature detector 11 can
To be equipped with alarm, the personnel at prompt scene can be sounded an alarm when an exception is detected.
Preferably, the catch basin 1 is provided with the recovery channel connecting with ammonium hydroxide workshop, is provided on recovery channel
The pump housing 16 recycles so that the ammonium hydroxide being collected into is transported to ammonium hydroxide workshop.Specifically, the water sprayed out, which is fallen in, to catchment
In slot 1, therefore ammonium hydroxide can be collected by catch basin 1, and the pump housing 16 can be set in catch basin 1, and the ammonium hydroxide in catch basin 1 is taken out
After making preliminary processing to recovery pond, then it is transported to ammonium hydroxide workshop and is fabricated to the ammonium hydroxide that can be used for producing.Ammonium hydroxide is returning
Can be completed in receives pond preliminary standing, sedimentation, filtering etc. processing, thus to a certain extent remove ammonium hydroxide in residue with it is miscellaneous
Matter.
Preferably, the sample tap 15 for extracting liquefied ammonia is provided on the inlet tube 5 and outlet tube 6.Specifically, in order to
Monitor the state of the liquefied ammonia in holding vessel 4 in real time, can by carrying out chemical examination to liquefied ammonia to obtain actual data, but due to
The sealing state for keeping holding vessel 4 is not appropriate on the tank body that sample tap 15 is set up directly on to holding vessel 4, can will be taken
Sample mouth 15 is arranged on inlet tube 5 and outlet tube 6, by cutting-off valve 7 by the tank body of sample tap 15 and holding vessel 4 carry out every
Absolutely, so that it is guaranteed that the air-tightness of 4 tank body of holding vessel.
Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (7)
1. a kind of liquefied ammonia storage system, which is characterized in that holding vessel (4) and control system (3) including storing liquefied ammonia, storage
Be provided with below tank (4) catch basin (1), be provided with inlet tube (5) and outlet tube (6) on holding vessel (4), inlet tube (5) and
It is provided with the cutting-off valve (7) connecting with control system (3) on outlet tube (6), is equipped on holding vessel (4) and control system
(3) temperature detector (11), liquid level detector (12) and the pressure detector (13) connected, the top of holding vessel (4) and surrounding
It is respectively arranged with spray equipment (2) and ammonia concentration detector (10), spray equipment (2) is provided with to be connect with control system (3)
Shower valve (9), control system (3) sprayed by the detection signal control of ammonia concentration detector (10) and temperature detector (11)
The opening and closing of valve (9) is drenched, and cutting-off valve (7) are controlled by the detection signal of liquid level detector (12) and pressure detector (13)
Opening and closing.
2. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the tank skin of the holding vessel (4) is more
Layer safeguard structure (8) comprising erosion resistant coating, strengthening layer, insulating layer, the antirust film plating layer set gradually from the inside to the outside.
3. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the spray equipment (2) includes distribution
Spray piping above holding vessel (4), spray piping are provided with multiple water outlets, range covering holding vessel (4) of spray
Tank body, inlet tube (5) and outlet tube (6).
4. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the liquid level detector (12) is mounted on
Holding vessel (4) side is simultaneously connected to the upper and lower part of holding vessel (4) by the first connecting tube and the second connecting tube respectively, is pressed
Force detector (13) is mounted on the top of holding vessel (4) and is connected to the internal cavities of holding vessel (4).
5. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the both ends of the holding vessel (4) are arranged
Have support base (14), support base (14) is fixedly mounted on the bottom of catch basin (1).
6. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the inlet tube (5) and outlet tube (6)
On be provided with sample tap (15) for extracting liquefied ammonia.
7. a kind of liquefied ammonia storage system according to claim 1, which is characterized in that the catch basin (1) is provided with and ammonia
The recovery channel of water workshop connection, is provided with the pump housing (16) on recovery channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392739.1U CN208951667U (en) | 2018-08-27 | 2018-08-27 | A kind of liquefied ammonia storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392739.1U CN208951667U (en) | 2018-08-27 | 2018-08-27 | A kind of liquefied ammonia storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951667U true CN208951667U (en) | 2019-06-07 |
Family
ID=66736077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821392739.1U Expired - Fee Related CN208951667U (en) | 2018-08-27 | 2018-08-27 | A kind of liquefied ammonia storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951667U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460480A (en) * | 2021-01-08 | 2021-03-09 | 南京康尤为贸易有限公司 | Liquid oxygen storage tank valve monitoring safety device |
| CN112664833A (en) * | 2020-12-24 | 2021-04-16 | 常州大连理工大学智能装备研究院 | Portable clean energy micro storage device |
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
| CN114893724A (en) * | 2022-07-15 | 2022-08-12 | 四川绵竹川润化工有限公司 | Liquid ammonia leakage monitoring method, monitoring device and monitoring test system |
| WO2023103719A1 (en) * | 2021-12-09 | 2023-06-15 | 深圳能源环保股份有限公司 | Ammonia water storage system |
-
2018
- 2018-08-27 CN CN201821392739.1U patent/CN208951667U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
| CN112664833A (en) * | 2020-12-24 | 2021-04-16 | 常州大连理工大学智能装备研究院 | Portable clean energy micro storage device |
| CN112460480A (en) * | 2021-01-08 | 2021-03-09 | 南京康尤为贸易有限公司 | Liquid oxygen storage tank valve monitoring safety device |
| CN112460480B (en) * | 2021-01-08 | 2022-08-19 | 湖南昇宇科技开发有限公司 | Liquid oxygen storage tank valve monitoring safety device |
| WO2023103719A1 (en) * | 2021-12-09 | 2023-06-15 | 深圳能源环保股份有限公司 | Ammonia water storage system |
| CN114893724A (en) * | 2022-07-15 | 2022-08-12 | 四川绵竹川润化工有限公司 | Liquid ammonia leakage monitoring method, monitoring device and monitoring test system |
| CN114893724B (en) * | 2022-07-15 | 2022-10-14 | 四川绵竹川润化工有限公司 | Liquid ammonia leakage monitoring method, monitoring device and monitoring and testing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xingguang Inventor before: Chen Qiuming |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |