CN207532815U - A kind of acid concentration negative pressure dehydration control system - Google Patents
A kind of acid concentration negative pressure dehydration control system Download PDFInfo
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- CN207532815U CN207532815U CN201721233541.4U CN201721233541U CN207532815U CN 207532815 U CN207532815 U CN 207532815U CN 201721233541 U CN201721233541 U CN 201721233541U CN 207532815 U CN207532815 U CN 207532815U
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- drain sump
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Abstract
The utility model discloses a kind of acid concentration negative pressure dehydration control system, including two effect dehydration units, triple effect dehydration unit, tail gas dehydration unit and the DCS controllers connected successively with underground pipe network；The two effect vacuum pump sets that the two effects dehydration unit includes two effect drain sumps and connected with two effect drain sumps；The triple effect dehydration unit includes triple effect drain sump and the triple effect vacuum pump set connected with triple effect drain sump；The tail gas dehydration unit includes drain sump A, drain sump B and the tail gas vacuum pump set connected with drain sump A.The utility model utilizes static pressure principle, and when negative pressure is formed in tank, drain sump collects steam condensate (SC), and the static pressure of steam condensate (SC) liquid level forms pressure difference, drain sump self-draining, without using efflux pump when being more than negative pressure absolute value in tank；The utility model utilizes PID control, and each pressure of imitating realizes full-automatic regulation, and pressure stability.
Description
Technical field
The utility model is related to a kind of acid concentration negative pressure dehydration control systems, belong to chemical technology field.
Background technology
Waste acid concentration reuse not only makes waste acid resource be utilized effectively, but also has saved a large amount of waste acid treatment expense,
The economic benefit and environmental benefit of highly significant can be obtained.Multiple-effect evaporation concentration technique has low energy consumption, concentration is efficient etc. because of it
Advantage and extensive use, but its process equipment still has deficiency, and such as the dewatering part of evaporation condensed water, there are automation control journeys
The deficiencies of low, equipment and control device are more is spent, is still had much room for improvement.
Utility model content
Against the above deficiency, the utility model provides a kind of acid concentration negative pressure dehydration control system, has equipment and control
The characteristics of device is few, automatic controlling level is high, use cost is low.
The utility model is as follows using technical solution：
A kind of acid concentration negative pressure dehydration control system, including two effect dehydration units, the triple effect connected successively with underground pipe network
It is dehydrated unit, tail gas dehydration unit and DCS controllers.
The two effect vacuum pump sets that the two effects dehydration unit includes two effect drain sumps and connected with two effect drain sumps；Described two
The top for imitating drain sump is equipped with two effect condensed water inlet pipes, two effect pressure transmitters and two effect pneumatic control valves, the two effects dehydration
Tank is equipped with two effect telemetering type magnetic double level gauges, and the following side of the two effects drain sump is equipped with two effects connected with underground pipe network
Condensate draining pipe；The two effects vacuum pump set, two effect pressure transmitters, two effect pneumatic control valves and two effect telemetering type magnetic turn over
Plate liquid level gauge forms control system with the DCS controllers Electricity Federation.
The triple effect dehydration unit includes triple effect drain sump and the triple effect vacuum pump set connected with triple effect drain sump；Described three
The top for imitating drain sump is equipped with triple effect condensed water inlet pipe, triple effect pressure transmitter and triple effect pneumatic control valve, the triple effect dehydration
Tank is equipped with triple effect telemetering type magnetic double level gauge, and the following side of the triple effect drain sump is equipped with the triple effect connected with underground pipe network
Condensate draining pipe；The triple effect vacuum pump set, triple effect pressure transmitter, triple effect pneumatic control valve and triple effect telemetering type magnetic turn over
Plate liquid level gauge forms control system with the DCS controllers Electricity Federation.
The tail gas dehydration unit includes drain sump A, drain sump B and the tail gas vacuum pump set connected with drain sump A；Institute
Drain sump A and drain sump B is stated to connect top by being equipped with the connecting tube of pneumatic ball valve A；The top of the drain sump A is equipped with
Tail gas condensing water inlet pipe and tail gas pressure transmitter, the drain sump A are equipped with telemetering type magnetic double level gauge A, the dehydration
The bottom of tank A is equipped with the tail gas condensing water drainpipe connected with underground pipe network；The top of the drain sump B is equipped with pneumatic ball valve B,
The drain sump B is equipped with telemetering type magnetic double level gauge B, and the bottom of the drain sump B passes through pipeline and the tail gas condensing
Water drainpipe is connected；Pneumatic ball valve C is installed on the tail gas condensing water drainpipe between the drain sump A and drain sump B, it is described
Pneumatic ball valve D is installed on tail gas condensing water drainpipe between drain sump B and underground pipe network；The tail gas vacuum pump set, gas
It is dynamic ball valve A, tail gas pressure transmitter, telemetering type magnetic double level gauge A, telemetering type magnetic double level gauge B, pneumatic ball valve B, pneumatic
Ball valve C and pneumatic ball valve D forms control system with the DCS controllers Electricity Federation.
Further, the end of the underground pipe network is equipped with ground pond, and described ground pond is equipped with the condensate pump collected extremely
The efflux pump at wastewater treatment center.
Compared with prior art, the beneficial effects of the utility model are：The utility model utilizes static pressure principle, when in tank
Negative pressure is formed, and drain sump collects steam condensate (SC), and the static pressure of steam condensate (SC) liquid level forms pressure when being more than negative pressure absolute value in tank
Difference, drain sump self-draining, without using efflux pump；Two effects are dehydrated the utility model unit and triple effect is dehydrated unit by double tanks
Single tank is changed to, reduces the quantity of drain sump and control element, reduces cost input；The utility model utilizes PID control, respectively
Effect pressure realizes full-automatic regulation, and pressure stability.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
Embodiment：
As shown in fig.1,
It is a kind of acid concentration negative pressure dehydration control system, including successively with underground pipe network (10) connect two effect dehydration units,
Triple effect dehydration unit, tail gas dehydration unit and DCS controllers (not shown).
The two effect vacuum machines that the two effects dehydration unit includes two effect drain sumps (21) and connected with two effect drain sumps (21)
Group (22)；It is described two effect drain sump (21) tops be equipped with two effect condensed water inlet pipes (211), two effect pressure transmitters (212) and
Two effect pneumatic control valves (213), the two effect drain sump (21) is equipped with two effect telemetering type magnetic double level gauges (214), described
The following side of two effect drain sumps (21) is equipped with the two effect condensate draining pipes (215) connected with underground pipe network (10)；Two effect
Vacuum pump set (22), two effect pressure transmitters (212), two effect pneumatic control valves (213) and two effect telemetering type magnetic turning plate liquid levels
It counts (214) and forms control system with DCS controllers (not shown) Electricity Federation.
The triple effect dehydration unit includes triple effect drain sump (31) and the triple effect vacuum machine connected with triple effect drain sump (31)
Group (32)；The top of the triple effect drain sump (31) be equipped with triple effect condensed water inlet pipe (311), triple effect pressure transmitter (312) and
Triple effect pneumatic control valve (313), the triple effect drain sump (31) is equipped with triple effect telemetering type magnetic double level gauge (314), described
The following side of triple effect drain sump (31) is equipped with the triple effect condensate draining pipe (315) connected with underground pipe network (10)；The triple effect
Vacuum pump set (32), triple effect pressure transmitter (312), triple effect pneumatic control valve (313) and triple effect telemetering type magnetic turning plate liquid level
It counts (314) and forms control system with DCS controllers (not shown) Electricity Federation.
The tail gas dehydration unit includes drain sump A (41), drain sump B (42) and the tail connected with drain sump A (41)
Gas vacuum pump set (43)；The drain sump A (41) and drain sump B (42) will by being equipped with the connecting tube of pneumatic ball valve A (410)
Top is connected；The top of the drain sump A (41) is equipped with tail gas condensing water inlet pipe (411) and tail gas pressure transmitter (412), institute
Drain sump A (41) is stated equipped with telemetering type magnetic double level gauge A (413), the bottom of the drain sump A (41) is equipped with and buried pipe
The tail gas condensing water drainpipe (414) that net (10) is connected；The top of the drain sump B (42) is equipped with pneumatic ball valve B (421), institute
Drain sump B (42) is stated equipped with telemetering type magnetic double level gauge B (422), the bottom of the drain sump B (42) passes through pipeline and institute
State tail gas condensing water drainpipe (414) connection；Tail gas condensing water draining between the drain sump A (41) and drain sump B (42)
Pneumatic ball valve C (415) is installed on pipe (414), the tail gas condensing water row between the drain sump B (42) and underground pipe network (10)
Pneumatic ball valve D (416) is installed on water pipe (414)；The tail gas vacuum pump set (43), pneumatic ball valve A (410), tail gas pressure
Transmitter (412), telemetering type magnetic double level gauge A (413), telemetering type magnetic double level gauge B (422), pneumatic ball valve B (421),
Pneumatic ball valve C (415) and pneumatic ball valve D (416) forms control system with DCS controllers (not shown) Electricity Federation.
Further, the end of the underground pipe network (10) is equipped with ground pond (50), and described ground pond (50) are equipped with and will collect
Condensate pump to wastewater treatment center efflux pump (51).
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (2)
1. a kind of acid concentration negative pressure dehydration control system, it is characterised in that：Two effects including being connected successively with underground pipe network are dehydrated
Unit, triple effect dehydration unit, tail gas dehydration unit and DCS controllers；
The two effect vacuum pump sets that the two effects dehydration unit includes two effect drain sumps and connected with two effect drain sumps；Two effect is de-
The top of water pot is equipped with two effect condensed water inlet pipes, two effect pressure transmitters and two effect pneumatic control valves, and described two imitate on drain sump
Equipped with two effect telemetering type magnetic double level gauges, the following side of the two effects drain sump is equipped with two effects connected with underground pipe network and condenses
Water drainpipe；The two effects vacuum pump set, two effect pressure transmitters, two effect pneumatic control valves and two effect telemetering type magnetic turning plate liquid
Position meter forms control system with the DCS controllers Electricity Federation；
The triple effect dehydration unit includes triple effect drain sump and the triple effect vacuum pump set connected with triple effect drain sump；The triple effect takes off
The top of water pot is equipped with triple effect condensed water inlet pipe, triple effect pressure transmitter and triple effect pneumatic control valve, on the triple effect drain sump
Equipped with triple effect telemetering type magnetic double level gauge, the following side of the triple effect drain sump is equipped with the triple effect connected with underground pipe network and condenses
Water drainpipe；The triple effect vacuum pump set, triple effect pressure transmitter, triple effect pneumatic control valve and triple effect telemetering type magnetic turning plate liquid
Position meter forms control system with the DCS controllers Electricity Federation；
The tail gas dehydration unit includes drain sump A, drain sump B and the tail gas vacuum pump set connected with drain sump A；It is described de-
Water pot A and drain sump B is connected top by being equipped with the connecting tube of pneumatic ball valve A；The top of the drain sump A is equipped with tail gas
Condensed water inlet pipe and tail gas pressure transmitter, the drain sump A are equipped with telemetering type magnetic double level gauge A, the drain sump A's
Bottom is equipped with the tail gas condensing water drainpipe connected with underground pipe network；The top of the drain sump B is described equipped with pneumatic ball valve B
Drain sump B is arranged the bottom equipped with telemetering type magnetic double level gauge B, the drain sump B by pipeline and the tail gas condensing water
Water pipe is connected；Pneumatic ball valve C, the dehydration are installed on tail gas condensing water drainpipe between the drain sump A and drain sump B
Pneumatic ball valve D is installed on tail gas condensing water drainpipe between tank B and underground pipe network；The tail gas vacuum pump set, Pneumatic ball
Valve A, tail gas pressure transmitter, telemetering type magnetic double level gauge A, telemetering type magnetic double level gauge B, pneumatic ball valve B, pneumatic ball valve
C and pneumatic ball valve D forms control system with the DCS controllers Electricity Federation.
2. a kind of acid concentration negative pressure dehydration control system according to claim 1, it is characterised in that：The underground pipe network
End is equipped with ground pond, and described ground pond is equipped with the efflux pump of the condensate pump collected to wastewater treatment center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233541.4U CN207532815U (en) | 2017-09-25 | 2017-09-25 | A kind of acid concentration negative pressure dehydration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233541.4U CN207532815U (en) | 2017-09-25 | 2017-09-25 | A kind of acid concentration negative pressure dehydration control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207532815U true CN207532815U (en) | 2018-06-26 |
Family
ID=62609703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721233541.4U Active CN207532815U (en) | 2017-09-25 | 2017-09-25 | A kind of acid concentration negative pressure dehydration control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207532815U (en) |
-
2017
- 2017-09-25 CN CN201721233541.4U patent/CN207532815U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 242000 Xuanzhou Economic Development Zone, Xuancheng City, Anhui Province Patentee after: Anhui shenlanhua color material Co.,Ltd. Address before: 242000 Xuanzhou Economic Development Zone, Xuancheng City, Anhui Province Patentee before: XUANCHENG YABANG CHEMICAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |